Siemens win cc manual wincc-proagent

Contents
Preface
1
Installation
2
Introduction
3
Effects on WinCC
4
Display in
Runtime Mode
5
Configuration in WinCC
6
Appendix A
Reference
A
Index
I
WinCC
WinCCProAgent
Manual
6AV6392-1DB05-0AB0.
C79000-G8276-C165-01
April 2000 Edition
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WinCC, SIMATIC, SINEC, STEP are trademarks of Siemens.
All other names used in this manual may be trademarks, the use of which by third parties for their own purposes may
violate the rights of the respective proprietors.
(The reproduction, transmission or use of this document or its
contents is not permitted without express written authority.
Offenders will be liable for damages. All rights, including rights
created by patent grant or registration of a utility model or
design, are reserved.)
(We have checked that the contents of this document
correspond to the hardware and software described.
Nonetheless, differences might exist and therefore we cannot
guarantee that they are completely identical. The information
contained in this document is however, reviewed regularly and
any necessary changes will be included in the next edition. We
welcome suggestions for improvement.)
 Siemens AG 2000 All rights reserved Subject to change without prior notice.
6AV6392-1DB05-0AB0
Printed in the Federal Republic of Germany Siemens Aktiengesellschaft
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ProAgent Manual
C79000-G8276-C165-01 i
Contents
1 Preface ............................................................................................................. 1-1
1.1 Guide to the Manual........................................................................... 1-1
1.2 Position within the Information Environment...................................... 1-3
1.3 History................................................................................................ 1-4
1.4 Notation.............................................................................................. 1-4
1.5 Abbreviations ..................................................................................... 1-5
1.6 Additional Support.............................................................................. 1-6
2 Installation ....................................................................................................... 2-1
2.1 System Requirements ....................................................................... 2-1
2.2 Installing ProAgent............................................................................. 2-2
2.3 Uninstalling ProAgent ........................................................................ 2-4
3 Introduction ..................................................................................................... 3-1
3.1 What Process Diagnosis Can Achieve .............................................. 3-1
3.2 How Process Diagnosis is Carried Out.............................................. 3-3
3.3 How Process Diagnosis is Configured............................................... 3-5
3.4 Before You Start................................................................................. 3-8
3.5 Important Terms................................................................................. 3-9
3.5.1 Units.............................................................................................. 3-9
3.5.2 Actions.......................................................................................... 3-9
3.5.3 Transitions .................................................................................... 3-9
3.5.4 Movements ................................................................................... 3-9
4 Effects on WinCC ............................................................................................ 4-1
4.1 After Installation ................................................................................. 4-2
4.2 After Generation................................................................................. 4-3
4.3 ALARM_S Messaging........................................................................ 4-5
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5 Display in Runtime Mode ............................................................................... 5-1
5.1 General .............................................................................................. 5-2
5.1.1 How To Activate Diagnosis ........................................................... 5-2
5.1.2 The Purpose of the Individual Diagnosis Screens........................ 5-3
5.1.3 Operating Principles ..................................................................... 5-9
5.1.4 Structure of the Diagnostic Screens ............................................. 5-12
5.1.5 Global Screen Header .................................................................. 5-13
5.1.6 Global Key Set.............................................................................. 5-14
5.2 ProAgent's User Screen .................................................................... 5-17
5.2.1 The Purpose of the ProAgent User Screen.................................. 5-17
5.2.2 What You See on ProAgent's User Screen .................................. 5-17
5.3 Global Message Window................................................................... 5-19
5.3.1 The Purpose of the Message Window ......................................... 5-19
5.3.2 What You See in the Global Message Window............................ 5-20
5.4 Message Screen................................................................................ 5-22
5.4.1 The Purpose of the Message Screen........................................... 5-22
5.4.2 What You See in the Message Screen......................................... 5-23
5.4.3 Message Screen Keys.................................................................. 5-25
5.4.4 How to Work with the Message Screen........................................ 5-26
5.5 Overview Screen................................................................................ 5-31
5.5.1 The Purpose of the Overview Screen........................................... 5-31
5.5.2 What You See in the Overview Screen......................................... 5-32
5.5.3 Overview Screen Keys.................................................................. 5-35
5.5.4 How to Work with the Overview Screen ....................................... 5-36
5.5.5 Changing the Display Mode.......................................................... 5-40
5.5.6 Hierarchical Units on the Overview Screen .................................. 5-41
5.5.7 Sequence Handling ...................................................................... 5-42
5.6 Detail Screen ..................................................................................... 5-44
5.6.1 The Purpose of the Detail Screen................................................. 5-44
5.6.2 What You See in the Detail Screen............................................... 5-45
5.6.3 Representation of the Network in STL.......................................... 5-48
5.6.4 Representation of the Network in LAD ......................................... 5-49
5.6.5 Keys in the Detail Screen.............................................................. 5-50
5.6.6 How to Work with the Detail Screen ............................................. 5-53
5.6.7 Switching Between Partial and Full View...................................... 5-56
5.6.8 Switching Between Initial Values and Current Status ................... 5-56
5.6.9 Switching Action or Transition....................................................... 5-57
5.6.10 Enhanced Options with S7-PDIAG............................................... 5-58
5.7 Movement Screen.............................................................................. 5-63
5.7.1 The Purpose of the Movement Screen......................................... 5-63
5.7.2 What You See in the Movement Screen....................................... 5-64
5.7.3 Keys in the Movement Screen...................................................... 5-67
5.7.4 How to Work with the Movement Screen ..................................... 5-68
5.7.5 Hierarchical Units in the Movement Screen.................................. 5-70
5.7.6 Master List of All Movements........................................................ 5-70
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04.00 Contents
ProAgent Manual
C79000-G8276-C165-01 iii
6 Configuring in WinCC..................................................................................... 6-1
6.1 Basic Requirements of the PLC Program.......................................... 6-1
6.2 Shared Database with STEP 7 .......................................................... 6-4
6.3 When You Configure with ProAgent .................................................. 6-7
6.4 How You Configure with ProAgent..................................................... 6-9
6.5 Configuration Steps in Detail.............................................................. 6-12
6.5.1 Defining the target hardware and resolution................................. 6-12
6.5.2 Selecting the Units for Diagnosis.................................................. 6-12
6.5.3 Defining the Replacement Character Strategy ............................. 6-15
6.5.4 Selecting Display Classes ............................................................ 6-16
6.5.5 Defining the Alarm Diagnostic Screen .......................................... 6-18
6.5.6 Defining the Diagnostic Screen for Manual Starting of
Diagnosis...................................................................................... 6-19
6.5.7 Setting Key Labeling..................................................................... 6-21
6.5.8 Archiving the Criteria Analysis ...................................................... 6-22
6.5.9 Process Controlling Messages ..................................................... 6-22
6.5.10 Defining the Report Files .............................................................. 6-23
6.5.11 Settings for Generation................................................................. 6-25
6.5.12 Carrying Out Generation............................................................... 6-27
6.5.13 Checking the Runtime Modules.................................................... 6-28
6.5.14 Configuring Installation Screens for Starting ProAgent................. 6-29
6.5.15 Multi-Lingual Projects ................................................................... 6-31
6.5.16 Other Hardware Platforms............................................................ 6-33
6.6 Changing the Diagnostic Screens ..................................................... 6-37
6.6.1 Changing the Diagnostic Screens ................................................ 6-37
6.6.2 Internal Structure of the Diagnostic Screens ................................ 6-38
6.6.3 Practical Ideas .............................................................................. 6-40
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A Reference......................................................................................................... A-1
A.1 Functions ........................................................................................... A-2
A.1.1 ProAgent Functions (Overview).................................................... A-2
A.1.2 Function for Calling the Defined Start Screen............................... A-3
A.1.3 Functions for Directly Opening Specific Diagnostic Screens........ A-4
A.1.4 Directly Open Diagnostic Screens for a Specific Unit................... A-5
A.1.5 Directly Open Diagnostic Screens for a Specific Message........... A-7
A.1.6 Display the Name of a Current Step on a System Screen............ A-9
A.1.7 Exiting Diagnostics ....................................................................... A-13
A.1.8 Changing the Runtime Language................................................. A-14
A.1.9 Statistical Evaluation of Cause of Error ........................................ A-15
A.2 ProAgent Editor.................................................................................. A-18
A.2.1 Generation Run Tab...................................................................... A-18
A.2.2 Options Tab................................................................................... A-20
A.2.3 Report Tab .................................................................................... A-22
A.3 VarControl.......................................................................................... A-23
A.3.1 The Purpose of VarControl ........................................................... A-23
A.3.2 What You See in the Tag Table..................................................... A-24
A.3.3 How to Work with VarControl........................................................ A-26
I Index................................................................................................................. I-1
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ProAgent Manual
C79000-G8276-C165-01 1-1
Preface
This chapter explains how the manual is organized and where to find what
information.
1.1 Guide to the Manual
This manual provides you with all the information you need to do the following:
• configure an installation-specific process diagnosis
• detect a process error, find the cause of the error and rectify the error
This manual assumes that you already have general experience of configuring with
WinCC. This manual is therefore restricted to describing the functions and
procedures offered by ProAgent but not contained in the standard functional scope of
WinCC.
The Online Help also assumes you have a basic knowledge of STEP 7 and associated
optional packages.
Note
If you want to configure a process diagnosis yourself, all chapters of the Online Help
are important to you. If you want to work with a process diagnosis that has already
been configured, you only need to read the chapters entitled Introduction and
Display in Runtime Mode.
1
Overview
Contents
What You Are
Expected to Know
Already
Target Group
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ProAgent Manual
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The chapters of this manual are arranged by topic as follows:
• The chapter entitled Installation informs you how to install the optional package
on your system under STEP 7 and WinCC.
• The chapter entitled Introduction helps you get to know the advantages of
process diagnosis and shows you how simple it is to find and rectify a fault. An
overview shows you what steps are required for configuration and where the
interfaces are between STEP 7, WinCC and ProAgent.
At the end of the chapter, a number of important terms that are frequently
encountered in the context of process diagnosis are explained.
• By installing the ProAgent options package, a few script functions have been
added to the Global Script Editor that are required for process diagnostics. In
addition, external tags of different data types have been added to tag
management.
The chapter entitled Effects on WinCC shows you which components have been
added.
• The Display in Runtime Mode section describes in detail how the different
diagnostic screens appear in WinCC Runtime mode, what they show and which
functions you can trigger as a user.
It also explains what the sequence of process diagnosis and fault rectification
looks like in practice. You require this knowledge before you begin to create your
own configuration.
• The chapter entitled Configuring in WinCC then informs you how you can
integrate a process diagnosis into a new configuration or how you can 'retrofit' an
existing configuration with process diagnosis.
In addition, this chapter also provides a number of tips on how you can adapt the
diagnostic screens to the design of your plant screens.
• In the Appendix, you will find detailed information on the dialog boxes of
ProAgent's editor and on the functions which have been added to the basic
WinCC package for process diagnostics. At the end of the appendix is a summary
of the main functions of the WinCC Runtime module known as VarControl.
Note
Please note that the various manuals that make up the complement of WinCC
documentation and the WinCC Online Help texts provide excellent descriptions of the
general WinCC functions.
Answers to queries relating to STEP 7 and its options packages will be found in the
manuals for these programs. These programs too have extensive online Help systems.
Where to Find What
Other Sources of
Information
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ProAgent Manual
C79000-G8276-C165-01 1-3
1.2 Position within the Information Environment
WinCC and the various OSs are supplied with several different manuals and Online
Help systems.
The diagram below illustrates the position of the ProAgent documentation within the
overall documentation structure.
Online
Help
Pro Agent
option package
WinCC basic documentation
Online
Help texts
ProAgent
User’s
Guide
CD-ROM
Examples
Control Center
Channels
User Administration
Graphics Designer
Global Scripts
Tag Logging
Alarm Logging
Text Library
Report Designer
Software protection
Configuration Manual
Position within the Information Environment
The content of the ProAgent User's Guide essentially corresponds to the information
contained in the associated Online Help.
However, detailed descriptions of the dialog boxes in the ProAgent editor are only
contained in the Online Help.
Note
The tools used for programming the PLCs have their own documentation which is
not listed in the above graphic.
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1.3 History
The different issues of the User's Guide describe the following software versions:
Issue 02/98 WinCC Version 4.01
ProAgent Version 4.0
1.4 Notation
Different character formats are used to help you find your way through the text, as
follows:
Output Words in typewriter type (Courier) indicate inputs
and outputs as they appear on the screen.
Change
transitions
Names of keys are printed in bold type face.
Editors → ProAgent Menu options are shown in italics. Different levels
are linked by an arrow. The complete route to the
menu option in question is always shown.
Generation Run tab Names of buttons, windows and tabs are printed in
italic type face.
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04.00 Preface
ProAgent Manual
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1.5 Abbreviations
The abbreviations used in this documentation have the following meanings:
ALARM_S Event-driven signaling path from the PLC to the OS
AM Alarm message
CPU Central processing unit
DB Data block
DEO Initial diagnostic address
DP Distributed I/O
EM Event message
FB Function block with instance data
FC Function block without instance data
FI Flat screen system
HMI Human-machine interface
LAD Ladder diagram
MPI Multipoint interface
OB Organization block
OP Operator panel
OS Operator station
PC Personal computer
PLC Programmable logic controller
PLC Programmable logic control
RLO Result of logical operation
S7 SIMATIC S7
STL Statement list
UDT User-defined data type
WinCC Windows Control Center
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ProAgent Manual
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1.6 Additional Support
Can be contacted at any time of the day throughout the world:
Johnson City
Nurember
Singapore
SIMATIC BASIC Hotline
Nuremberg
Johnson City
Singapore
Local time:
Mo-Fr
7 a.m. through 5 p.m.
Telephone:
+49 911 895-7000
Fax:
+49 911 895-7002
e-mail:
simatic.support@
nbgm.siemens.de
Local time:
Mo-Fr
8 a.m. through 7 p.m.
Telephone:
+1 423 461-2522
Fax:
+1 423 461-2231
e-mail:
simatic.hotline@
sea.siemens.com
Local time:
Mo-Fr
8.30 a.m. through 5.30 p.m.
Telephone:
+65 740-7000
Fax:
+65 740-7001
e-mail:
simatic.hotline@
sae.siemens.com
SIMATIC Premium Hotline
(with charges, with SIMATIC Card only)
Time:
Mo-Fr 24 hours
Telephone:
+49 911 895-7777
Fax:
+49 911 895-7001
SIMATIC Customer
Support Hotline
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04.00 Preface
ProAgent Manual
C79000-G8276-C165-01 1-7
SIMATIC Customer Support offers you wide-ranging additional information on
SIMATIC products by way of its online services:
• You can obtain general up-to-date information
− on the Internet at http://www.ad.siemens.de/simatic
− by polling fax number 08765–93 02 77 95 00
• Up-to-date product information and downloads which may be of assistance
during operation:
− on the Internet at http://www.ad.siemens.de/support/html-00/
− from the Bulletin Board System (BBS) in Nuremberg (SIMATIC Customer
Support Mailbox)
by dialing +49 (911) 895–7100.
To dial the mailbox, use a modem up to V.34 (28.8 kbauds), and set its
parameters as follows: 8, N, 1, ANSI, or dial up via ISDN (x.75, 64 kB).
SIMATIC Customer
Support Online
Services
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ProAgent Manual
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ProAgent Manual
C79000-G8276-C165-01 2-1
Installation
This chapter explains how you install ProAgent under STEP 7 and under WinCC.
2.1 System Requirements
The following hardware configuration is recommended for ProAgent CS:
Processor 300 MHz Pentium or faster
RAM 128 MB
The hardware requirements for ProAgent runtime systems are the same as for the
WinCC basic program.
In addition, you will also need the following:
Free hard disk space ProAgent CS: 80 MB on the drive on which
WinCC is installed
ProAgent RT: 15 MB on the drive on which
WinCC is installed
Screen resolution 1024 x 768, 800 x 600
Programmable logic control SIMATIC S7 with ALARM_S-compatible CPU
2
Overview
Hardware
Requirements
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ProAgent Manual
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The software requirements depend on the planned operating mode:
• You require the following for configuring:
Microsoft Windows NT Version 4.0 / Service Pack 4
WinCC Version 5.0 / Service Pack 1 including options
packages "Basis Process Control" and "Object
Manager"
STEP 7 Version 5.0 or higher, Service Pack 3
S7-PDIAG
and/or
S7-GRAPH
Version 4.01 or higher
Version 4.0 or higher
AS-OS Mapper SIMATIC AS/OS Engineering V 5.1
• You require the following for runtime mode:
Microsoft Windows NT Version 4.0 / Service Pack 4
WinCC Version 5.0 / Service Pack 1
2.2 Installing ProAgent
WinCC and STEP 7 must have been installed for ProAgent to be able to run. At least
one of the optional STEP 7 packages, S7-PDIAG or S7-GRAPH, is also required.
Beware
Before you install ProAgent, please read the file contained on the CD-ROM -
InstallNotesEng.doc. This will provide you with additional installation
information that only became available after this manual went to print.
Note
To be able to install ProAgent under Windows NT, you must have write access rights
to the registry. This means you have to have administrator access authority.
Details about installation of WinCC can be found in the WinCC documentation. The
following description starts from the assumption that WinCC has already been
installed.
To install ProAgent proceed as follows:
1. Insert the ProAgent CD-ROM in the CD-ROM drive.
The Setup Program starts automatically after a few seconds.
Software
Requirements
Installation
Requirements
Installing ProAgent
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04.00 Installation
ProAgent Manual
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If the CD-ROM is already in your drive or you are installing the program from a
network drive, you can also start Setup manually. To do this, choose Settings →
Control Panel → Add/Remove Programs and click the Install button on the
Install/Uninstall tab.
2. You will then be prompted through the entire installation procedure for
WinCC/ProAgent. Please follow all the instructions on the screen.
When you have completed installation and if you have Windows, you can now
configure process diagnostics with ProAgent.
Note
The ProAgent Runtime software is protected. You must have valid authorization to be
able to use the full scope of the program's functions. The easiest and best way to
install authorization is to do so at the same time as installing ProAgent. You can,
however, install it later by means of the AuthorsW.exe program on your
authorization disk. In this case, ProAgent will initially only run in demo mode.
Further information about the topic of software protection can be found in the
manual entitled WinCC Software Protection.
The Installation Program copies the necessary files to the WinCC system folder.
Further, a ProAgent folder is created.
ProAgent is added to the standard editors, with its own icon in the Project Navigation
Window of the Control Center:
ProAgent
The ProAgent Editor
ProAgent does not have a separate program icon. All ProAgent functions can only be
accessed via WinCC.
Installed Files
New Editor in the
Project Navigation
Window
Buttons on the
Toolbar
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ProAgent Manual
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Nevertheless, two new links have been added to the Windows Start menu:
WinCC/ProAgent
With this button you call the online documentation for
ProAgent. It also contains all the information incorporated
in the User's Guide.
ProAgent Sample File
Description
Click this button to open an electronic document containing
an illustrated introductory example. This example helps to
get you started with S7-PDIAG and ProAgent and thus
makes it easier for you.
To view this example, you will require Acrobat Reader. If
the program is not installed on your system, you can install
it by running ProAgent's Setup.
The ReleaseNote.doc file on the CD-ROM contains up-to-date information
relating to ProAgent, that only became available after this manual went to print.
Please note all the tips mentioned in that file.
2.3 Uninstalling ProAgent
You can uninstall ProAgent under Windows NT:
1. From the Windows Start menu choose Settings → Control Panel → Add/Remove
Programs
2. Select the Install/Uninstall tab in the Add/Remove Programs Properties window.
3. In the list, select the SIMATIC WinCC ProAgent entry.
4. Click the Add/Remove... button and follow the instructions on the screen.
ProAgent has now been removed from your system.
Note
If you deinstall ProAgent from a computer, you should also deinstall the relevant
authorization for the program using AuthorsW.exe. You can then reactivate this
authorization on a different computer.
Further information about the topic of authorization can be found in the manual
entitled WinCC Software Protection.
Up-to-date
Information
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ProAgent Manual
C79000-G8276-C165-01 3-1
Introduction
This chapter helps you get to know the advantages of process diagnosis and shows
you how simple it is to find and rectify an operating fault. An overview shows you
what steps are required for configuration and where the interfaces are between
STEP 7, WinCC and ProAgent.
At the end of the chapter, a number of important terms that are frequently
encountered in the context of process diagnosis are explained.
3.1 What Process Diagnosis Can Achieve
SIMATIC S7 PLCs enable you to configure powerful process diagnosis functions.
These diagnostics functions help you detect and rectify potential faults very quickly.
In that way, you will be able to increase the availability of your installation, reduce
down times and bring down costs.
Triggering of movements
to rectify faults with the OS
System availability
Down times
Costs
Alarm message in
runtime mode
Automatic analysis
Display of cause of fault
on OS
Option package
ProAgent
Process diagnosis
Sequence and Benefits of Process Diagnosis
3
Overview
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Many problems can be avoided from the outset
The flexibility of the process diagnosis system enables potential problems in the
process sequence to be identified before they actually occur. For example, wear on a
tool is indicated by an increase in forces. The process diagnosis system can monitor
these forces and initiate replacement of the tool at the appropriate time.
Problems can still be identified without process diagnosis
WinCC enables you to visualize installations and control them by means of an easy-
to-use interface. A powerful message system draws your attention to process faults.
An alarm message is then displayed on the OS.
Situation-relevant information assists you in locating the fault
If problems arise in the process sequence, you can use the OS to trace quite simply
which units have caused the fault. To this end, you can examine the results of logical
operation directly on the OS either in the statement list or in the ladder diagram and
thus find the fault quickly.
You can quickly remedy the problem
To rectify the fault, you can trigger targeted movements on the OS.
If several parts of the installation have been damaged, you can see this on the OS and
can take the necessary steps to have the individual parts repaired at the same time.
And that means that your installation will be ready for operation again as quickly as
possible.
Do not shift
x-axis
Process diagnosis
Fault rectification in prompted manual mode
I 1.0 I 1.1 O1.0
Message display
Message, Diagnosis, Assistance with Fault Rectification
Avoiding Problems
Identifying Problems
Rectifying Problems
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3.2 How Process Diagnosis is Carried Out
When you configure process diagnosis, a number of additional diagnostic screens are
integrated into the configuration. The contents of the screens can be adapted
dynamically to the technological units of the installation.
You can select your start screen for the process diagnosis system yourself. In
addition, you can set which ProAgent screen is opened with an ALARM_S message
in WinCC Runtime mode.
Performing process diagnosis is extremely easy. You can switch between the various
diagnostic screens simply by pressing a key:
• The ProAgent user screen is intended as the start screen and as a distribution list
for the other screens.
• In the Global Message Window, all diagnosis-capable messages are marked.
This marking means you can see that you can trace the causes of faults in the
process control system. If you apply the default setting, this diagnostic screen is
opened automatically in WinCC Runtime mode and placed on top as soon as an
ALARM_S error message arrives.
• The Message Screen displays a series of additional functions for selecting and
processing the individual alarm messages.
• The Overview Screen displays all the units and their subunits. This enables you
to see at a glance which operating mode the individual units are in.
• The Movement Screen is used for quick rectification of an error. You can see at a
glance which movements are blocked and those which can still be executed.
Movements by individual units can be triggered by keys.
• The Detail screen shows the result of the error analysis which is performed
automatically by the operating unit. To this end, the display shows a Statement
List (STL) or a ladder diagram (LAD) with the corresponding excerpt from the
STEP 7 program code. The status bits of the operands and all the results of logic
operations can be displayed at the same time. Signals that caused an error are
highlighted. The cause of an error can therefore quickly be traced.
Diagnostic screens
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Global
Message window
Alarm message
Process error
Overview picture
Units
Status of the units
Operating modes
Detail picture
Result of the
Fault analysis
Status and result
Of logical operation
Movement picture
Possible movements
Trigger movements
by means of keys
Message picture
Selection
Acknowledgment
The Different Diagnostic Screens
The entire user interface has been standardized, so that all installations and sections
of installations are controlled along uniform lines.
A detailed description of the individual diagnostic screens can be found in the
chapter entitled Display in Runtime Mode (Chapter 5).
Standardization
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04.00 Introduction
ProAgent Manual
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3.3 How Process Diagnosis is Configured
ProAgent is a universal system solution and designed for optimum interaction
between STEP 7, optional STEP 7 packages and the WinCC visualization system.
WinCC offers you a standardized and ergonomical user interface for configuring
process diagnosis. It makes no difference whether you integrate process diagnosis
into a new project to be created or into an existing project.
Just as when configuring an installation, there are two main subtasks involved in
implementing process diagnosis:
1. programming the PLC
2. configuring the OS
Just like WinCC, you use ProAgent for the second step only, that of configuring the
OS.
Shared
database
S7-GRAPH
S7-PDIAG
ProAgent
PLC
Operator Station
Steps Involved in Configuring the Process Diagnosis
System Concept
Subtasks
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Preparations for process diagnosis differ depending on which language you use for
programming a PLC:
• If you are using S7-GRAPH and its compiler is set to ALARM_S, your programs
will automatically become diagnosis-capable. You will find further information
on this subject in the S7-GRAPH manual.
• If you are programming in LAD/CSF/STL, you need the S7-PDIAG option
package. S7-PDIAG creates additional modules for monitoring your process for
the purposes of fault detection. This is done for the most part automatically.
Thanks to the global approach of S7 process diagnosis, you can work within an
installation using different programming languages to suit your particular needs. You
can also detect and locate process faults in "mixed" sequential and logic control
systems.
Programming the PLC and defining the settings in S7-PDIAG are the first steps in
creating the process diagnosis. They are followed by configuration of the OS using
WinCC and ProAgent.
When translating the PLC program, the STEP 7 option packages store all the data
required for the process diagnosis in a shared database.
WinCC will then access this database during the next step, so that it can configure the
OS.
Once the STEP 7 program has been created, the process diagnosis function for the
OS can be configured. This is the point at which the optional WinCC package,
ProAgent, is first put to use.
It goes without saying that you do not need to repeat any of the entries already made
in STEP 7. All relevant information was stored in the shared database now accesed
by ProAgent.
The diagnostic screens are supplied ready-configured. If in a particular case you
would like to customize the design of one of the screens to suit your own special
requirements, you can take advantage of the extensive possibilities offered by the
Graphics Designer.
More information about possible design alterations can be found in the chapter
entitled Changing the Diagnostic Screens (Chapter 6.6.1).
Programming
the PLC
Common Database
as Interface
Configuring the OS
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Configuration in WinCC is simple and quick. All you still have to do is:
Defining
start picture
Defining
target hardware
Selecting
units
Carrying out
generation
Defining
options
Configuring the OS for Process Diagnosis
In the first step you set the system hardware for which you want to configure process
diagnostics.
As a second step, select the diagnostic screen you want to open when you activate
diagnostics in WinCC Runtime mode.
In the third step, you select the units of your S7 PLC for which you would like to set
up process diagnosis. This selection is quite simple: ProAgent prepares a list in
which you need only click the units concerned.
The final step you perform is to generate the new database for diagnosis, a task
which requires you simply to press a button.
You will find detailed instructions on configuration with ProAgent in the section on
how to configure in ProAgent (Chapter 6.4).
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3.4 Before You Start
ProAgent is only part of the world of S7 and therefore also just one part of creating a
process diagnosis. Like WinCC, ProAgent is only used for configuring the OS and
not the PLC.
In order to be able to configure a process diagnosis, certain basic requirements must
be met. They can be summarized as follows:
You have to install the following software or have already installed it:
• STEP 7
• WinCC with Object Manager
• AS/OS Engineering
• ProAgent
In addition, the following requirements must be met:
• The PLC must have been programmed already - either with LAD/CSF/STL and
S7-PDIAG or S7-GRAPH.
• If the PLC was programmed in STEP 7, additional blocks for error detection have
to be created with the S7-PDIAG options package. Error detection must have
been activated.
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3.5 Important Terms
3.5.1 Units
In S7-PDIAG, a unit is a module, in S7-GRAPH it is a sequence of steps.
Units are objects of the process diagnosis that are monitored with the aid of error
definitions. There can be several error definitions for each unit. Units can be physical
objects in the process (e.g. a press, die), which in turn can encompass movements
(see Movements) (e.g. forward/backward, up/down).
Units are logical hierarchical criteria and structure the view of the process They may
store data that is shared by all hierarchically subordinate objects. Hierarchically
subordinate objects can in turn be other units or movements, for example.
There can be one or more actions for each unit (see Actions).
3.5.2 Actions
Actions are part of a unit (see Units). An action is used in a process to drive an
individual actuator.
In program terms, an action is
• a network or expression in an LAD/CSF/STL program
• a step in an S7-GRAPH program
3.5.3 Transitions
A transition describes a condition for progressing from one step to the next within a
sequence of steps.
Transitions exist only in S7-GRAPH.
3.5.4 Movements
Movements relate to sequences in the process that can be monitored with the aid of
error definitions in the process diagnosis. There can be several error definitions for
each movement. A movement can be contained within a unit (see Units) and
represents an actual movement of a physical object in the process (e.g. a die moves
up and down).
Movements are defined in S7-PDIAG by using the UDT "Movement" within a
module.
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Effects on WinCC
By installing the ProAgent options package, a few script functions have been added
to the Global Script Editor that are required for process diagnostics. In addition,
external tags of different data types have been added to tag management.
This chapter shows you which components have been added.
4
Overview
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4.1 After Installation
While ProAgent is being installed, a folder called ProAgent is created at the
WinCC system folder. It contains diagnostic screens that are fully ready for use for
the different OS.
Note
The names of the screens required for process diagnosis all begin with the prefix
@Diag. In this way, these diagnostic screens are always listed together.
Since ProAgent is used around the world, all the names used are English.
ProAgent is added to the standard editors, with its own icon in the Project Navigation
Window of the Control Center:
ProAgent
The ProAgent editor
When ProAgent is installed, if you choose Editors from the menu, you will now find
an additional option called ProAgent.
By opening the shortcut menu with the right mouse button or by choosing Editors →
ProAgent → Open from the menu, you can call the configuration dialog box for
process diagnostics.
Diagnostic Screens
The ProAgent Editor
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4.2 After Generation
By generating ProAgent, stored pieces of message text and all data required for
diagnostics are imported from database shared with STEP 7 and saved together with
the configuration in WinCC.
The effects of generating ProAgent with respect to WinCC are described below.
In Tag Management, the entry SIMATIC S7 PROTOCOL SUITE is stored with
further subitems under the item Internal Tags. This provides you with the
connections, channels and tags necessary for selecting the Units that can be
diagnosed:
SIMATIC S7 PROTOCOL SUITE
The ready-made diagnostic screens are copied from the respective template to the
GraCS folder in your current WinCC project. These screens with the prefix @Diag
are therefore also listed in the table window of the Graphics Designer.
In alarm logging, all the ALARM_S messages relevant to process diagnostics and
any process control system messages are added.
The message line format for the ProAgent Message Screens is stored under the name
@DiagLine. Similarly, the message window template for process diagnosis has the
name @DiagWindow.
Tag Management
The Graphics
Designer Editor
The Alarm Logging
Editor
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This means the ProAgent Message Screens have been enhanced by two additional
functions:
• All ALARM_S messages for which you can perform a criteria analysis are
identified in the Diag message block by an asterisk, "*".
• All other ALARM_S messages are identified in the Diag message block by a
letter "A".
Diagnosable Alarm Message
Further, new message classes are created at Message Class with which you can
precisely select from the Message Screen the messages that you want to display in
WinCC Runtime mode of process diagnostics.
Note
Use of message classes for process diagnostics presupposes that a WinCC display
unit has been configured in STEP 7. Only then can the respective message classes be
selected.
If no WinCC display device has been configured, ProAgent will always generate
messages of the message class Error.
You will find further information on configuring message classes in the manuals and
in the Online Helps for STEP 7 and its options packages.
If you want to adapt your configuration perfectly to the respective operations being
run, you may also change the preassigned names of the individual message classes.
You change the name of a message class as follows:
1. Select the Properties command from the context menu of the message class in
question.
2. Enter the new name on the Configure Message Classes tab.
In the Global Script editor, a folder called ProAgent is created at the entry called
Standard Functions and contains the functions required for diagnostics.
You will find a description of all ProAgent functions in the section entitled Functions
(Chapter A.1) in the Appendix.
The Global Script
Editor
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4.3 ALARM_S Messaging
STEP 7 options packages S7-PDIAG and S7-GRAPH send ALARM_S messages.
This is the reason why the ALARM_S message number procedure has to be
introduced in WinCC, too.
You can use ALARM_S alongside the message bit procedure used to date. You can
also continue to use existing projects.
ALARM_S is a message number procedure. The message numbers are assigned by
the system when you configure in STEP 7. Message text is uniquely assigned by the
numbers.
The different messages are assigned to various display classes. When you configure,
you have the choice of selecting a specific subset of display classes for an OS. You
can therefore distribute messages to specific display devices.
When an error occurs, the CPU sends the time in addition to the state of the message
(active, cleared or acknowledged).
This makes an exact diagnosis of the cause of the error possible.
Due to the use of the ALARM_S message number procedure, there are certain minor
changes relating to configuration and in the Message Screen on the OS.
• Messages are no longer configured in WinCC, but while programming the PLC in
STEP 7 instead. This is also where you assign a message class to every message.
• Due to the use of ALARM_S, there are also several minor extensions in the
display of the Message Screen. You will find a detailed description in section
called What You See on the Message Screen (Chapter 5.4.2).
Why ALARM_S?
What is ALARM_S?
Changes due to
ALARM_S
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Display in Runtime Mode
This section describes in detail how the different diagnostic screens appear in WinCC
Runtime mode, what they show and which functions you can trigger as a user.
5
Overview
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5.1 General
5.1.1 How To Activate Diagnosis
Thanks to the Alarm Logging editor of WinCC, you are no longer a stranger to
working with message windows and alarm messages.
There is still such a thing as a message window – even if ProAgent has been used to
configure a process diagnosis function. ALARM_S messages for which you can
perform a criteria analysis are now identified by an asterisk, "*". You can call up
further information about these messages from the Detail Screen and Movement
Screen. All other ALARM_S messages are identified by a letter "A".
Alarm Message Structure
Depending on the configuration, there is normally at least one key which, for
example, calls the ProAgent Overview Screen, in addition to starting diagnostics by
means of an ALARM_S message. From there, you can go to other diagnostic
screens.
You can also configure how you want to select one of the other diagnostic screens
(Message Screen, Detail Screen, Movement Screen) from your system screens.
After completing diagnosis and rectifying the fault, you have to acknowledge the
message as normal. If the alarm message belongs to an acknowledgment group, all
the other alarm messages of this group are also acknowledged at the same time.
Diagnosable
Messages
Diagnosis Start
Screen
Other Routes
Message
Acknowledgement
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5.1.2 The Purpose of the Individual Diagnosis Screens
When you configure process diagnosis, a number of diagnostic screens are integrated
into your project. Process diagnostics runs in WinCC Runtime mode with the help of
these screens.
The diagnostic screens are for the most part standardized and differ only minimally
between the various OSs. The following figures show examples of diagnostic screens
on a PC.
global key set message line
ProAgent User Screen (Example on PC)
You can activate the ProAgent user screen to start diagnostics from the system
screens of your project. You can then switch from here directly to the other
diagnostic screens.
It depends on the configuration concerned whether the ProAgent user screen is
actually used.
You will find a detailed description of the ProAgent user screen in the section called
ProAgent User Screen(Chapter 5.2).
Note
If you want to use this screen together with your default configuration, you have to
adjust the Back key.
Diagnosis Screens
ProAgent User
Screen
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diagnosable alarm message
global key set
Global Message Window (example on PC)
In the Global Message Window, diagnosable messages are marked by the letter "A".
Diagnosable messages, for which you can also carry out an analysis of criteria, are
marked by an asterisk "*". You can call up further information about these messages
from the Detail Screen and Movement Screen.
Whether or not you actually use the Global Message Window depends on the
respective configuration. You can set whether this screen opens automatically in
WinCC Runtime mode with an ALARM_S message.
A detailed description of the global message window will be found in the section
called Global Message Window (Chapter 5.3).
Global Message
Window
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diagnosable alarm message
picture-specific key set global key set
global picture header
Message Screen (example on PC)
The structure of the Message Screen is matched to that of the Global Message
Window, but it does offer you a number of screen-specific keys. This means you can
call, among other things, a dialog box for selecting messages and acknowledging
ALARM_S messages.
A detailed description of the Message Screen can be found in the chapter entitled
Message Screen (Chapter 5.4).
Message Screen
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global key set
picture-specific
key set
blocked unit
message line
Overview Screen (example on PC)
The Overview Screen shows an overview of all the units in the system.
This enables you to see at a glance which operating mode a particular unit is in.
Blocked units are identified as such. When a fault is rectified, this marking is
removed.
A detailed description of the Overview Screen can be found in the chapter entitled
Overview Screen (Chapter 5.5).
Overview Screen
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global picture
header
global
key set
picture-specific
key set
these signals caused
a process error
result of logical
operation
message line
Detail Screen (example on PC)
The process diagnosis analyzes which signals in the PLC program have led to an
error message. The detail screen shows the result of this criteria analysis. This means
you recognize not only that a fault has occurred, but also the cause of this fault.
The Detail Screen shows the relevant section of the STEP 7 program code in STL or
LAD format. Parallel to this, the status bits of the operands, all results of logical
operation, symbols and comments are displayed. Signals that have caused a fault are
highlighted.
A detailed description of the Detail Screen can be found in the chapter entitled Detail
Screen (Chapter 5.6).
Detail Screen
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global
picture header
global key set
movement possible
movement blocked
picture-specific
key set
message line
Movement Screen (example on PC)
The Movement Screen provides assistance with rectifying faults. It enables you to
trigger targeted movements of individual units very simply.
The symbols displayed help you to see at a glance whether a movement is blocked.
A detailed description of the Movement Screen will be found in the section called
Movement Screen (Chapter 5.7).
Movement Screen
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5.1.3 Operating Principles
Operation of the individual diagnostic screens is standardized and is based on the
design options familiar to you from WinCC.
Standardized graphics are used in all diagnostic screens.
Once you have got to know the basic structure of the diagnostic screens and the
various symbols used, you will quickly find your way round all screens.
The ProAgent user screen can be used as the start screen for diagnostics. For precise
error localization and elimination, you can then change directly to the Overview
Screen, Message Screen, Detail Screen or Movement Screen.
The information displayed following a change of screens will always depend on
which message or unit is highlighted. When an initial message is issued, the
corresponding unit is selected. If no message or unit is marked and the Detail Screen
or Movement Screen is called, the first action of the first unit of the first CPU of your
configuration is opened for these two screens.
You can return from the diagnostic screens at any time to the system screen from
which you activated diagnostics.
User screen
Overview screenMessage screen
Movement screen Detail screen
S7-KFA-Editor
S7-PDIAG
S7-GRAPH
S7 Manager
Linking Diagnostic Screens
Standardization
Links
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Depending on the type of your OS, you can continue to work in the way to which
you are accustomed. Basically, you can run all diagnostic screens at the click of a
mouse or by using function and arrow keys.
Note
For reasons of clarity, all keys are reproduced in this documentation with the symbols
or text name which can be seen on the diagnostic screens. The key numbers and
associated letters (F or K) are not used, since they vary depending on the type of OS
configured.
The cursor functions possible are depicted by the following symbols:
Symbol Key Function
Cursor Up
Cursor Down
Indicates that the display
can be scrolled vertically by
one element.
can be scrolled vertically by
one page.
Cursor Left
Cursor Right
can be scrolled horizontally
by one element.
can be scrolled horizontally
by one page.
Cursor Symbols
Controlling via
Keyboard and
Mouse
Symbols
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Other symbols are used to denote errors and errored results of logic operations:
Symbol Name Function
Warning triangle Identifies a faulty unit or
blocked movement.
That unit whose fault
occurred first is marked by a
flashing border around this
symbol.
Lightning Identifies a faulty signal.
Connection disturbed Indicates an errored
connection or an addressing
error.
Fault symbols
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5.1.4 Structure of the Diagnostic Screens
All diagnostic screens – except the user screen and the global message window –
consist of three segments: a specific section for each diagnostic screen is embedded
between a global screen header (Chapter 5.1.5) and a set of global keys
(Chapter 5.1.6). Above the keys is a message line for displaying the earliest message.
global key set
picture-specific section
Sections of the Diagnostic Screens
Clear partitioning of diagnostic screens into one screen-specific and two global
sections make sure you can quickly find your bearings when running the different
screens.
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5.1.5 Global Screen Header
clockdisplay of dateuser
Global Screen Header
The date and time are always displayed in all diagnostic screens.
In addition, displayed to the right of the User symbol is the name under which you or
your group logged on in WinCC.
ProAgent is integrated in the central access protection function of WinCC. This
enables you, for example, to protect particular operating objects against being used
by unauthorized persons. You should use this in particular for the VarControl global
key and on the Overview Screen for the Operating Mode, Seq. Handling and S7
Manager keys. Further information can be found in the manual or in the Online Help
for the WinCC editor User Administrator.
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5.1.6 Global Key Set
In addition to a number of screen-specific keys, you can also use various cross-
screen keys in all diagnostic screens.
Overview You use this key to open the Overview
Screen.
Detail View You use this key to open the Detail Screen.
Movements You use this key to open the Movement
Screen.
Messages You use this key to open the Message
Screen.
VarControl Use this key to call the VarControl runtime
module. This enables you to monitor and
control the operands of the respective PLC
program.
S7 Manager With this key you can change directly to
SIMATIC Manager to work with other
SIMATIC applications.
Language With this key you can select, with multi-
lingual projects, German, English or
French.
Information You can use this key to open the window
entitled Screen Information. This window
allows you to enter or read information or
comments for each diagnostic screen.
Back You can use this key to exit diagnosis mode
and return to the installation screen from
which ProAgent was activated.
Global keys
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With the Overview, Detail View, Movements and Messages keys you can change
directly between these four diagnostic screens for every selected message or unit.
The key of the diagnostic screen being displayed is deactivated.
Use this VarControl key to call the VarControl runtime module. This enables you to
monitor in a tag table the operands of the diagnosed PLC program in certain cycles
and to control them.
A summary of the main functions of this module can be found in the appendix under
the chapter entitled VarControl (Chapter A.3).
If you require SIMATIC Manager - for example, to work with other SIMATIC
applications, press the S7 Manager key. If SIMATIC Manager is already open, its
window is placed on top. If it is not open, SIMATIC Manager will be opened with
the last project to be called.
Note
If the S7 Manager key is not active, you may not be authorized to call SIMATIC
Manager.
Using the Language key, you can reset the language of the diagnostic screen
concerned to German, English or French at runtime. The screen will then be rebuilt
in the corresponding language.
Switching
Diagnostic Screen
Calling VarControl
Calling SIMATIC
Manager
Changing
Languages
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Use the Information key to call the information window.
Information
In this window you can enter an explanatory text or comment for each diagnostic
screen and save it using the Save Text button. In this way, you can give users special
information, instructions and tips. With multi-lingual projects, information is
displayed only in the languages in which it was entered.
You can exit diagnostic mode whenever you like by pressing Back.
Calling Screen
Information
Exit Diagnosis
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5.2 ProAgent's User Screen
5.2.1 The Purpose of the ProAgent User Screen
The ProAgent user screen is designed as an example configuration for starting
process diagnostics from the system screens of the current WinCC project.
You can branch from here to the Message Screen and to the Overview Screen, where
you can gain an overview of pending faults.
Note
If you want to use this screen together with your default configuration, you have to
adjust the Back key.
5.2.2 What You See on ProAgent's User Screen
The structure of ProAgent's user screen is similar to that of other diagnostic screens.
1
2 3
ProAgent User Screen (Example on PC)
Entry route
Standardized
Structure
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(1) Here you can see the precise product designation of ProAgent and the
copyright notices. You can modify this center area of the user screen in a very
simple manner to reflect your corporate design and, for example, to insert
your company logo at this point (refer to Changing the Diagnostic Screens
(Chapter 6.6.1)).
(2) The keys in this section enable you, among other things, to switch to the other
diagnostic screens (see Global Key Set (Chapter 5.1.6)).
(3) The earliest message is displayed on the message line. You can scroll to other
messages.
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5.3 Global Message Window
5.3.1 The Purpose of the Message Window
When you configure, you can set this screen so that it is opened automatically in
WinCC Runtime mode by an ALARM_S message and placed on top (refer to
Defining the Alarm Diagnostic Screen (Chapter 6.5.5)).
The Global Message Window often serves as an entry route into diagnostics. The
window allows you to monitor what faults have occurred and which messages are
diagnosable. Using this information, you can then branch to the other diagnostic
screens for the purpose of process diagnosis.
You are already familiar with the structure of a message window in table format from
your experience with the Alarm Logging editor. However, ProAgent's Global
Message Window provides a number of additional pieces of information and
functions.
In the Global Message Window, diagnosable messages are marked by the letter "A".
Diagnosable messages, for which you can also carry out an analysis of criteria, are
marked by an asterisk "*". You can call up further information about these messages
from the Detail Screen and Movement Screen. The messages are displayed in
chronological order: the oldest message is on the top line, the latest on the bottom
line.
If it is not possible to arrive at a guaranteed statement about the cause of the fault on
the basis of the error message alone, you can select the message for which you would
like to carry out process fault diagnosis first and then switch to one of the diagnostic
screens by means of the keys of the Global Key Set.
Remark
Detecting the fault and editing the diagnostic data is carried out by the STEP 7
package S7-PDIAG or S7-GRAPH. The faults detected are reported to WinCC and
ProAgent by means of the message number procedure ALARM_S.
Automatic Opening
of the Screen
Entry Route into
Diagnostics
Similarity to the
Message Window
Additional Functions
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5.3.2 What You See in the Global Message Window
1 64
2
53
Global Message Window (example on PC)
(1) The Diag column shows you whether an ALARM_S message has been issued
and whether you can carry out an analysis of the criteria for this message:
*: identifies an ALARM_S message for which you can also perform a criteria
analysis. You can call the Detail Screen for messages of this kind.
A: identifies all other ALARM_S messages.
This column remains blank if messages issued are not diagnosable.
(2) The Status column displays the message status:
C: message arrived
G: message departed
CG: message arrived and departed
(3) In the Acknowledged column you can see whether this message has been
acknowledged.
Operating Elements
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(4) The Date column displays the date of the arrival event.
(5) The Time column displays the time of the arrival event.
(6) The Message text column displays the user texts that have been configured in
the configuration system of Alarm Logging or with the optional STEP 7
packages.
If you have taken over the presettings when configuring, the colors used for the
individual messages have the following meanings:
• White on a red background: ALARM_S messages
• White on a blue background: the message currently selected
• Yellow against a black background: process control system messages (further
information is contained in the manuals and Online Help tools for STEP 7).
Colors
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5.4 Message Screen
5.4.1 The Purpose of the Message Screen
The Message Screen displays all pending process messages. The messages are
displayed in chronological order: the oldest message is on the top line, the latest on
the bottom line.
The Message Screen frequently serves as the entry point to diagnosis. It enables you
to observe whether and which faults occur. You can then branch selectively to further
diagnostic screens.
The structure of the Message Screen corresponds to that of the Global Message
Window. The screen likewise allows you to recognize at a glance which messages are
diagnosable. You can then carry out a process diagnosis for those messages.
You can select a specific message and then open other diagnostic screens along
context-sensitive lines:
• The Detail Screen: This screen shows the program code that caused the selected
alarm message.
• The Movement Screen: This screen shows all movements of the blocked unit.
And, of course, you can also execute those movements directly from that point as
well.
If you would like to see an overview of the various units that make up your
installation, you can open the Overview Screen.
In contrast to the Global Message Window, the Message Screen offers you a number
of additional pieces of information and functions. Thus you can call, among other
things, a dialog box for selecting messages, acknowledge ALARM_S messages and
view archived messages.
Similarity to the
Global Message
Window
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5.4.2 What You See in the Message Screen
The structure of the Message Screen corresponds to that of the Global Message
Window.
1 642 53
The Message Screen contains the following entries:
(1) The Diag column shows you whether an ALARM_S message has been issued
and whether you can carry out an analysis of the criteria for this message:
A: identifies a diagnosable message, i.e. an ALARM_S message.
*: identifies a diagnosable message for which you also carry out an analysis of
the criteria. For messages of this type, you can call the Detail Screen or the
Movement Screen.
This column remains blank if messages issued are not diagnosable.
(2) The Status column displays the message status:
C: message arrived
G: message departed
CG: message arrived and departed
(3) When the message list is selected, you can see in the Acknowledged column
whether the message has been acknowledged.
Familiar Layout
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(4) In the Date column, you can see the date of the event.
(5) In the Time column, you can see the time of the event.
(6) The Message text column displays the user texts that have been configured in
the configuration system of Alarm Logging or with the optional STEP 7
packages.
If you accept the presettings, the colors of the individual messages have the following
meanings:
• White on a red background: ALARM_S messages
• White on a blue background: the message currently selected
• Yellow against a black background: process control system messages (for further
information refer to the manuals and Online Help tools for STEP 7).
You can, however, change these color settings. (See Changing the Diagnostic Screens
(Chapter 6.6.1)).
In comparison with the Global Message Window, a number of new keys have been
added with which you can further edit the selected messages.
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5.4.3 Message Screen Keys
You can use the following keys in the Message Screen:
Up
Down
Use the vertical arrow keys or the mouse
to move the selection bar for selecting
messages.
Message list You use this key to call the current
message sequence.
Short-term
Archive
You can use this key to check messages
stored in the continuous archive (or
short-term archive) in WinCC Runtime
mode.
Long-term
Archive
You can use this key to check messages
archived in the sequence archive (or
long-term archive) in WinCC Runtime
mode.
Selection You can use this key to open the
selection dialog box for defining the
selection criteria. All messages that do
not satisfy these criteria are then no
longer displayed.
Info text You can use this key to open a dialog
box for displaying longer information
texts. All text has to be configured in S7.
Comment You can use this key to open a text
editor for editing short comments.
Single ack You can use this key to acknowledge a
single message.
Group ack You can use this key to acknowledge all
pending, instantaneously visible
messages that require acknowledgement,
as long as they do not have to be
acknowledged singly (single
acknowledgement only).
...
The keys of the global key set (see
Global Key Set (Chapter 5.1.6)).
Message Screen Keys
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5.4.4 How to Work with the Message Screen
This chapter gives a general outline of how to use the Message Screen in practice.
You have opened the Message Screen in order to obtain an overview of the pending
alarm messages. You wish to carry out a process diagnosis for specific messages.
First of all, you gain an overview of all the diagnosable messages. Use the Selection
key to call the Set Selection dialog box and thus harmonize the Message Screen with
your specific requirements in WinCC Runtime mode.
Further information about the various filter criteria can be found in the manual or
Online Help texts for Alarm Logging.
Before performing process diagnostics for a specific alarm message, select the
message concerned. To do this, click the message concerned with the mouse or move
the selection bar with the arrow keys to the corresponding point.
Aims
Filtering Out
Messages
Selecting a Message
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To obtain an overview of the units affected on your system by the errors, press the
Overview key to change to the Overview Screen. The unit relating to the message is
selected on the screen. From here, you can switch to the Movement Screen in order
to manually trigger individual movements for a specific unit or return to the Message
Screen.
When you have selected the message you want, press the Detail View key to change
to the detail screen. This shows you the section of the STEP 7 program code
responsible for triggering the alarm message.
If you have selected a message, press the Movements key to go directly to the
Movement Screen (in other words, without going indirectly via the Overview
Screen). The Movement Screen shows all movements for the units where there are
faults and allows you to execute those movements directly as well.
In WinCC Runtime mode, you can check all archived messages at any time. For this,
all the archiving options with which you will be familiar from alarm logging are
available to you.
Note
Should you wish to use the archive functions, you must configure them first in alarm
logging using the Archive Configuration dialog box.
The short-term archive can store up to 10,000 messages: in the long-term archive, the
complete hard disk capacity of your computer is available. Further information can
be found in the WinCC manual or Online Help texts for Alarm Logging.
Switching to the
Overview Screen
Switching to the
Detail Screen
Switching to the
Movement Screen
Displaying Archive
Messages
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If you want to enter a brief explanation on a message for other users (for example
"This message arose today because ..."), press the Comment key.
Message comment input presupposes an activated long-term archive.
Message Comment Dialog Box
The Number field contains the number of the single message in question (as it is
stored in the table window of Alarm Logging).
You can see when the message occurred from the Date and Time boxes. The User
and Computer boxes indicate who entered the comment.
Note
You can enter your explanations in the Comment box. When configured to do so, the
box also displays the operands triggering the message and the diagnostics entry
operand (refer to Archiving the Criteria Analysis (Chapter 6.5.8)).
Message Comments
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In Step 7, Help information for the project runtime can be stored for every message.
If you wish to view this information at runtime, press the Info text key to open the
Info Text For A Message dialog box.
Info Text Dialog Box
The Number field contains the number of the single message in question (as it is
stored in the table window of Alarm Logging).
Further information can be found in the manual or Online Help texts for Alarm
Logging.
After completing diagnosis and rectifying the fault, the final step you have to take is
to acknowledge the messages:
• Acknowledge a single message with the Single ack key.
• With the Group ack key, you acknowledge not only the selected message but all
pending, currently visible messages requiring acknowledgement, provided they
do not require single acknowledgement.
You can check and/or alter the precise acknowledgement criteria in Alarm Logging
in the Configuring Message Classes dialog box on the Acknowledgement tab. Further
information can be found in the manual or Online Help texts for Alarm Logging.
Info Text
Acknowledging
Messages
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You can switch directly from the Message Screen to the other diagnostic screens or
also exit diagnostics:
switches to the Overview Screen
switches to the Detail Screen
switches to the Movement Screen
exits diagnostics
Exiting the Message
Screen
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5.5 Overview Screen
5.5.1 The Purpose of the Overview Screen
The Overview Screen shows you all the units on your system.
It gives you the following information about each unit:
• whether it has a fault
• in which operating mode it is (Manual, Automatic etc.)
• in the case of S7-Graph sequences, which step of the sequence is currently active.
If there are faults on more than one unit, you can see on which one the fault first
occurred. In this way, you immediately see where the actual cause is located and
which faults are secondary in nature.
You can select a unit from the list and set its operating mode. For example, you can
switch from Automatic to Manual mode in order to be able to rectify a fault
manually.
Once you have selected a unit, you can analyze it more closely in the Detail Screen
and move individual units by hand in the Movement Screen in order to rectify the
fault.
A description of the Detail Screen can be found in the chapter entitled Detail Screen
(Chapter 5.6). A description of the Movement Screen can be found in the chapter
entitled Movement Screen (Chapter 5.7).
Display
Functions
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5.5.2 What You See in the Overview Screen
Like all the diagnostic pictures, the Overview Screen has a standardized layout.
There are only slight variations between the display on the various OSs.
The following illustration shows an example of the Overview Screen on a PC.
2
8
1
11
6
109
3 5 4 7
12 13 14
(1) Information is provided on the display mode in the top left box:
The Warning Triangle symbol is displayed here if only the blocked
units are displayed. If this symbol does not appear, all units are
displayed (see Switching the Display Mode (Chapter 5.5.5)).
Arrow symbols appear in this field if there are more units than can
be displayed in the list at one time. You can then scroll up or down
through the list of units by clicking the buttons to the right of the
table or using the cursor keys of your OS.
General Layout
Display mode
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In the top segment of the display, you are provided with detailed information on the
hierarchy of the units (refer to Hierarchical Units on the Overview Screen
(Chapter 5.5.6)) and on the unit highlighted by the selection bar.
(2) The name of the next higher unit in the hierarchy appears in the Unit Layer
box.
(3) In the Unit No. box you can see the block type (FC or DB) and the block
number of the unit you selected.
(4) The complete name of the unit appears in the Unit box. This name depends on
the programming of the PLC:
• If the unit was programmed in S7-PDIAG, this is the symbol of the block
or an absolute name.
• If the unit has been programmed in S7-GRAPH, this is a sequence name.
(5) The current mode of the unit is displayed in the Operating Mode box. If the
STEP 7 program does not define an operating mode, the field remains blank.
You can change modes with the Operating Mode key.
Boxes (6) and (7) appear only if the selected unit was programmed in S7-GRAPH.
(6) In the Step box you can see the step name of the first active step.
(7) The numbers of the active steps appear in these boxes. The numbers of the
errored actions are always displayed first from left to right. They are identified
by a highlight. If there are more steps active than can be displayed, the
following symbol appears:
The center segment of the display shows you a table containing all the diagnosable
units of your installation. The order in which they are displayed depends on the
attributes which you assigned to the units in S7-PDIAG in the Properties - Units
dialog box. The Overview Screen ProAgent is built in accordance with the attributes
"Belongs to Screen“ and "Position on Screen“. Units for which these attributes are
not set are attached to the bottom of the list.
(8) Displayed in the left of the table is the instantaneous status of a unit:
The Warning Triangle symbol indicates that a unit is blocked. A red
border flashes round the Warning Triangle symbol in front of the unit
that became blocked first.This indicates to you that this fault is not a
secondary fault.
The Connection Errored symbol indicates that connection to the AS
is errored or an addressing error has occurred.
Information on
Selected Unit
Overview of Units
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(9) The Unit Name column displays the name of a unit stored in the PLC
program. This is:
− the symbol of a module or an absolute designator if the unit has been
programmed in S7-PDIAG
− a sequence name if the unit has been programmed in S7-GRAPH
(10) The contents of the Step Name and Action columns depend on the
programming of the unit:
− nothing is displayed if the unit has been programmed in S7-PDIAG
− the step name and the number of the active step are displayed when
S7-GRAPH is used.
(11) In the Mode column you can see which operating mode is currently set for
that unit. If the STEP 7 program does not define an operating mode, the field
remains blank. You can change modes with the Operating Mode key.
(12) To the right of the Mode column you can see whether there is a higher-level or
lower-level unit available for the unit concerned:
This symbol indicates a lower-level unit. You can change to that unit
either by left-clicking the symbol or with the Layer Down key..
You can change to that unit either by right-clicking the symbol or
with the Layer Up key.
This symbol indicates that there are a lower-level unit and a higher-
level unit. You can change the unit layer either by left-clicking or
right-clicking the symbol or by using either the Layer Down or
Layer Up key.
(13) On the far right you can see whether there is a movement for the unit
concerned:
If there is a movement for the unit or a lower-level unit, the
Movement symbol is displayed. You can then change to the
Movement Screen either by left-clicking the symbol or with the
Movements key.
The Movements symbol to the right of a sequence indicates that this
sequence has been assigned a movement unit in S7-GRAPH (see
Basic Requirements of the PLC Program (Chapter 6.1)). The
assigned movement unit will be handled in the overview as a part of
a sequence and will not be shown as a separate unit.
(14) Here you can scroll up and down in the list of units by clicking the mouse if
more units are present than can all be displayed in the list at the same time.
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5.5.3 Overview Screen Keys
You can use the following keys in the Overview Screen:
Up (cursor)
Down
(cursor)
You use the Up and Down cursor keys to move the
highlight between the individual units.
Page Up
Page Down
With these keys you can move the selection bar one
whole page up or down.
If there are more units than can be displayed on the
screen at the same time, the display is scrolled as
soon as you move the highlight past the top or
bottom end of the message list.
Layer
Down
You use this key to switch to a subordinate
hierarchical unit.
The Subordinate Unit symbol to the right of the
unit indicates that there is a subordinate unit. In
this case the Layer Down key is enabled. If there
isn't a subordinate unit, the key is deactivated.
Layer Up You use this key to switch to a higher-order
hierarchical unit.
You can see whether a higher-level unit is present
by this key being enabled. If there isn't a higher-
order unit, the key is deactivated.
Operating
Mode
You can use this key to change the Operating
Modes of the unit selected. The operating modes
that are possible depend on how the unit has been
programmed. If no mode is defined, the key is
disabled.
Seq.
handling
With this key you can open the Sequence Handling
dialog box in which you can execute specific single
steps of the sequence you selected.
All /
Errored
You use this key to toggle the Display Mode
between display of all units or display of only the
blocked units.
...
The keys of the global key set (see Global Key Set
(Chapter 5.1.6)).
Keys in the Overview Screen
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Note
ProAgent is integrated in the central access protection function of WinCC. This
enables you, for example, to protect particular operating objects against being used
by unauthorized persons. You should use this in particular for the Operating Mode,
Seq. Handling and S7 Manager keys. Further information can be found in the
manual or in the Online Help for the WinCC editor User Administrator.
5.5.4 How to Work with the Overview Screen
This chapter gives a general outline of how to use the Overview Screen most
effectively in practice.
You have opened the Overview Screen in order to see which units of your installation
are blocked. You would like to see which unit caused the error and what triggered the
error. Finally, you would like specifically to move individual system components to
clear the error.
Aims
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First of all, you would like to gain an overview of the units blocked. You
use the cursor keys to move the highlight through the list. All blocked
units are marked by the Warning Triangle symbol.
To see just the errored units, press the All / Errored key to change the Display
Mode. Those units that are not blocked are then no longer displayed, and you can
move directly between the blocked units with the highlight.
This setting is retained until you restart WinCC Runtime mode or change the display
mode back to the display of all units by pressing the key.
A red border round the Warning Triangle flashes next to the unit in which an error
occurred first.
You move the highlight onto the unit with the flashing border. That unit is now
selected. In the top segment of the display, you can see more extensive information
on that unit: the next higher hierarchical layer of the selected unit, the block type,
unit-assigned text, the current operating mode and the step numbers of the active
actions.
If the cause of the fault is not clear, you can investigate the fault more closely to see
which logical operation results in the program code have led to the error message. To
do this, press the Details key to open the Detail Screen.
If you know what has caused the fault, you will naturally want to rectify it as quickly
as possible so that the system can be started up again. To this end, you can e.g.
trigger deliberate movements of certain units in manual mode.
Note
It depends on your PLC program whether or not it is necessary to switch to manual
mode or to another mode before triggering manual movements.
To change the operating mode, move the highlight to a unit on which you wish to
carry out a movement.
If this unit has subordinate units, the Subordinate Unit symbol will be
displayed on the right (see Hierarchical Units in the Overview Screen
(Chapter 5.5.6)). You can change to a lower layer in the hierarchy with the
Layer Down key and make a more accurate selection.
Finally, press the Operating Mode key to open the dialog box for
selecting the modes.
On Which Units Are
There Faults?
On Which Unit Did a
Fault Occur First?
Information on the
Unit
Criteria Analysis
Changing the
Operating Mode
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The Operating mode window
Here you can select the mode concerned with the mouse or the arrow keys and press
the OK button or confirm with Enter.
Note
If the ›Operating Mode key is not active, you may not be authorized to change
modes.
If you have selected the unit or subunit you what to move and set the correct mode,
press the Movements key to change to the Movement Screen.
Opening the
Movement Screen
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If a unit was programmed in S7-GRAPH, you can use the Seq. Handling key to
open the Sequence Handling dialog box and set or reset individual steps in a
sequence.
Note
If the Seq. Handling key is not active,you might not be authorized to use the
Sequence Handling dialog box.
sequence has been assigned a movement unit in S7-GRAPH (see Basic
Requirements of the PLC Program (Chapter 6.1)). The assigned movement
unit will be handled in the overview as a part of a sequence and will not be
shown as a separate unit.
You can then change to the Movement Screen either by left-clicking the
symbol or with the Movements key.
You can switch directly from the Overview Screen to the other diagnostic pictures or
also exit diagnostics:
switches to the Detail Screen
switches to the Movement Screen
switches to the Message Screen
exits diagnostics
Calling Sequence
Handling
Exiting the
Overview Screen
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5.5.5 Changing the Display Mode
You can specify whether all or only the blocked units are displayed in the Overview
Screen.
To change back to the other display mode, press the All / Errored
key.
Restricting the units displayed to those blocked is especially useful if your
installation consists of a very large number of units. However, if you then want to
select a healthy unit (for example, to trigger a movement), you must reset the display
mode back to display all units.
You can tell which display mode is active thanks to a graphic symbol at the top left
of the display field:
• The Warning Triangle symbol is displayed if only the blocked units are displayed.
• The symbol is not displayed if you are able to see and select all the units
irrespective of whether they are blocked or not.
Display Modes
When to Use Which
Mode
How to Tell Which
Mode is Active
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5.5.6 Hierarchical Units on the Overview Screen
When programming a PLC, a hierarchy of the units can – depending on the
programming language used – be defined. Thus in the case of S7-PDIAG a unit can
be equated with a module which as a rule also represents a process unit. By virtue of
the multi-instance concept of STEP 7 a unit can also contain other units.
As soon as at least one subunit has a fault, the immediately higher-order unit is also
marked as having a fault. The marker is thus passed on from one level to the next
right up to the highest hierarchical level.
Note
When the PLC is programmed in S7-GRAPH, there are no hierarchical units.
In this way you can tell whether tehre are any more hierarchical layers associated
with a unit.
If there are only lower-level units for a specific unit, this symbol
appears to the right of the unit concerned. In this case the Layer
Down key is highlighted in color, whereas the Layer Up key is
grayed.
If there are only higher-level units for a specific unit, this symbol
appears to the right of the unit concerned. In this case the Layer Up
key is highlighted in color, grayed.
This symbol indicates that there are a lower-level unit and a higher-
level unit for a given unit. In this case the Layer Up and the Layer
Down keys are highlighted in color.
To change the hierarchical level proceed as follows:
1. Move the highlight to the unit whose subordinate or higher-order units you wish
to display.
2. Press the Layer Down key if you would like to see the lower-level units, or press
the Layer Up key to see the higher-level unit.
When you move down a hierarchical level, only the subunits of the selected unit are
shown.
When you move up a hierarchical level, all units on that level are once again
displayed.
Hierarchical Units
Identifying
Hierarchical Units
Changing
Hierarchical Level
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5.5.7 Sequence Handling
If you have selected a unit on the Overview Screen that was programmed in S7-
GRAPH, you can open the Sequence Handling dialog box.
In this dialog box
• you are given information on the unit you selected and on the step you selected
• you can set or reset the individual steps of a sequence.
sequence has been assigned a movement unit in S7-GRAPH (see Basic
Requirements of the PLC Program (Chapter 6.1)). The assigned
movement unit will be handled in the overview as a part of a sequence and
will not be shown as a separate unit.
Warning
When using the Sequence Handling dialog box, you must ensure that the sequence
remains in a consistent state.
The following illustration shows an example of the Sequence Handling dialog box on
a PC.
81 5 643 72
Sequence Handling Dialog Box (Example on a PC)
Purpose
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In the top segment of the display you are provided with information on the unit that
was selected on the Overview Screen from which the step screen was opened.
(1) In the Unit No. box you can see the block type (FC or DB) and the block
(2) The sequence name appears in the Unit box.
(3) You can see the step name of the first active step in the Step box.
(4) The number of the active step is displayed in the Step No. box. If several
actions are active simultaneously, the step number of the action which is the
first to be displayed in the list at (6) is shown.
(5) The current mode of the unit is displayed in the Operating mode box.
(6) The numbers of the active steps appear in these boxes. If there are more steps
active than can be displayed, the following symbol appears:
The step number and the step name of the active step are displayed in the center
segment of the display:
(7) Here you can enter the step number for the current unit that you want to set or
delete.
(8) Here the name of the step you entered at (7) appears following its
confirmation by pressing ENTER.
Note
Always deactivate all active steps before activating new steps.
In the bottom half of the display, you can activate or deactivate steps or sequences.
To do this, perform the following steps:
1. Enter the number of the step which you want to activate or deactivate in the Step
No. box and confirm it by pressing ENTER.
The name of the step you specified now appears in the Step Name box (8).
2. Press one of four keys:
• With Activate Step, you set the displayed step.
• With Deactivate Step, you reset the displayed step.
• With Initialize Sequence, you initialize the displayed sequence.
• With Deactivate Sequence, you deactivate the entire sequence.
With the Exit key, you return to the Overview Screen.
Information on Unit
and Step
Displaying the
Active Step
Activating and
Deactivating Steps
Back to the
Overview Screen
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5.6 Detail Screen
5.6.1 The Purpose of the Detail Screen
Retracing an error/fault to the relevant points in the program code is referred to as
analysis of criteria. The Detail Screen shows the result of the analysis of criteria in
the form of an STL or LAD.
When you call the Detail Screen for the first time, the criteria are shown initially in
STL. Each time you open the display after this time, the type of display used is the
one you used the last time. You can switch easily between the two types of display by
pressing the STL / LAD key (see Keys in the Detail Screen (Chapter 5.6.5)).
Note
In principle, the two variants of the Detail Screen are equivalent. They differ only
with respect to the way they look and are used.
The LAD variant, however, is not able to display all commands. The following are
permissible:
U op, UN op, U(, O op, ON op, O(, O, ), NOT, = op, S op, R op, X, X(,
XN, XN(, Label
(op = operand; Label only at the beginning of the network, U is equivalent to A in IEC
notation)
Should an instruction be shown that cannot be displayed in LAD, a message is
issued. You can then change to the STL display with the STL / LAD key.
The display of the STEP 7 program code in the STL or LAD lists those positions of
the PLC program that have triggered a process fault. This should not be confused
with a programming error. When the process fault occurs, a quite specific status
comes into being for which the program is monitored. This status is characteristic of
a fault in the installation and therefore leads to an alarm message being displayed.
Since the process diagnosis system can monitor a whole range of conditions and
mutual interdependencies can also be defined, it is of course of interest to see which
signals have led to the issue of an alarm message.
From this information you can derive what is causing the alarm and how it may be
rectified in the shortest possible time.
Symbols and comments are displayed in addition to the program code. At the same
time, you are shown the status of the operands and all results of logical operations.
All signals whose status has contributed to the error message are marked. This
enables you to immediately recognize what conditions have led to the alarm message
being triggered.
Analysis of Criteria
STL or LAD
Program Excerpt
Additional
Information
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ProAgent Manual
C79000-G8276-C165-01 5-45
5.6.2 What You See in the Detail Screen
Which faults are displayed when you open the Detail Screen depends on from where
you have opened it:
• If you have opened the Detail Screen from the Message Screen or the Global
Message Window, you have selected a message there. The Detail Screen now
shows you the fault that has triggered this message.
• If you have opened the Detail Screen from the Overview Screen, you have
selected a unit there. The Detail Screen now shows you the fault of the first
blocked action of this unit.
Like all the diagnostic screens, the Detail Screen has a standardized layout.
Switching the display between the STL and LAD changes only the center section of
the Detail Screen. The information about the unit (in the top section) and the
assignment of the keys remain unchanged.
The following illustration depicts an example of the STL variant of a Detail Screen
on a PC.
9 141 5 6 43 8 12 152 10 11713
Detail Screen (example of the STL variant on PC)
Faults Displayed
General Layout
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ProAgent Manual
5-46 C79000-G8276-C165-01
The top section of the Detail Screen contains detailed information about the unit in
which the process fault has occurred.
(1) At the top left, you obtain information on the display mode:
• The lightning symbol appears in this field when the partial view of the
display is activated, in which only the non-performed statements or
switches are listed (see Switching Between Partial and Full View
(Chapter 5.6.7)).
• The spectacles symbol appears in this field if current status bits are
displayed instead of the status bits that were valid at the moment the fault
arose (initial values) (see Switching Between Initial Values and Current
Status (Chapter 5.6.8)).
• Arrow symbols appear in this field if there are more statements or
switches than can be displayed at one time. You can then scroll through
these statements/switches using either the keyboard or the mouse.
(2) The Unit Level box displays the unit level to which the blocked unit belongs.
(3) In the Unit no.: box you can see the block type (FC or DB) and the block
(4) The Unit box displays the name of the unit you selected.
The displays and contents of the following fields depend on the programming of the
unit:
Programming in S7-GRAPH
If the unit was programmed in S7-GRAPH, you are provided with two lines of
information on the blocked step or blocked transition.
(5) The lightning symbol appears here if the currently displayed step has blocked.
(6) You can see the step name in the Step box.
(7) The number of this step is displayed in the No. box.
(8) The Parallel Steps box lists the numbers of the currently active steps. The step
selected is marked here. If more parallel steps are possible than can be
displayed at one time, the symbol also appears in this field.
With transitions, the subsequent steps for selected transitions are displayed
here.
(9) The lightning symbol appears here if the currently displayed transition has
blocked.
(10) You can see the transition name in the Transition box.
(11) The No. box displays the number of this transition.
Information About
the Unit
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