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C3 profibus profiles, steffen ochsenreither

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The concept and applications of PROFIBUS profiles

The concept and applications of PROFIBUS profiles

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  • 1. The concept and application of PROFIBUS profiles Steffen Ochsenreither Endress+Hauser
  • 2. Profiles PA Profile 3.02 2 Steffen Ochsenreither, Endress+Hauser Why Profiles PROFIBUS installations are inhomogeneous Different Applications Different Devices Different Manufacturers All PROFIBUS devices need to have a sub-set of common functionalities This sub-set is called Profile
  • 3. Profiles PA Profile 3.02 A Profile defines functionalities and services a device has to be able to deliver and perform Common Application Profiles Specific Application Profiles 3 Steffen Ochsenreither, Endress+Hauser Why Profiles Specific Application Profiles Common Application Profiles Communication Technology Transmission Technology Wireless Optical Glass, PCF, Plastic Wired RS485 / RS 485-IS MBP / MBP-IS PROFIBUS DP (DP-V0, -V1, -V2) PROFIsafe, I&M, iPar-Server, Time Stamp, Redundancy,… IntegrationTechnologies(GSD,EDD,FDT/DTM,TCI) PROFIdrive PADevices Encoder Weighing& Dosing XY… Lab- Automation HARTon PROFIBUS Ident Systems …
  • 4. Profiles PA Profile 3.02 Various combinations for each application Steffen Ochsenreither, Endress+Hauser Market PROFIBUS solutions Application profile Communication Technology Transmission Technology Process automation (Ex/non-Ex areas) PROFIBUS PA PA Profile PROFIBUS DP MBP / MBP-IS RS485 / RS485-IS Factory automation PROFIBUS DP E.g.: Ident Systems PROFIBUS DP RS485 Motion Control PROFIBUS DP PROFIdrive PROFIBUS DP RS485 Safety Safety PROFIsafe PROFIBUS DP RS485 MBP-IS Why Profiles 4
  • 5. Profiles PA Profile 3.02 Application profiles are Unified Vendor-neutral Definitions, to establish a common behavior General, device exceeding behavior (e.g. safety applications) Special, device specific behavior (e.g. process automation, drives) Specific, industry dependent behavior (e.g.: laboratory devices) Profiles are defined by PI 17 different profiles are existing currently Steffen Ochsenreither, Endress+Hauser 5 Why Profiles
  • 6. Profiles PA Profile 3.02 Common behavior of different devices Steffen Ochsenreither, Endress+Hauser Device A Manufacturer A Device B Manufacturer B Device C Manufacturer C PROFIBUS 6 Why Profiles
  • 7. Profiles PA Profile 3.02 Device Integration 7 Steffen Ochsenreither, Endress+Hauser Devices need to be integrated into the PLC/DCS Integration is done by device drivers G S D = General Station Description GSD describes device functionality: • Supported AI/AO/DI/DO • Type of Data • Device Type • Diagnostics • … Device PLC
  • 8. Manufacturer GSD 8 Steffen Ochsenreither, Endress+Hauser Available types of GSD files: Device Integration Profile GSD Manufacturer GSD describes complete device functionality: • All supported AI/AO/DI/DO • Type of Data • Specific Device Diagnostics • … Profile GSD describes basic device functionality: • Supported AI/AO/DI/DO* • Type of Data • Basic Diagnostics • … *depending on the Profile GSD used
  • 9. Profile GSD Maintained by PI Basic device description Advantage: No need for specific GSD Devices can be changed regardless of device version (device replacement is easy) Disadvantage: Specific device features are not accessible Full potential of devices is not reached Manufacturer GSD Maintained by the manufacturer Detailed device description Advantage: Full potential of the device is unlocked (diagnostics, all supported PV…) Device is not a “grey box” Disadvantage: Correct GSD to corresponding device is needed (device replacement is tricky) 9 Steffen Ochsenreither, Endress+Hauser Device Integration PA Profile 3.02 is closing this gap!
  • 10. CLOSER LOOK ON PA PROFILE 3.02 1 0
  • 11. Profiles PA Profile 3.02 Market statements based on experience “Diagnostics are very helpful!” But: Too much (unfiltered) diagnostics  Confusing! “PROFIBUS offers great opportunities!” But: Device replacement too difficult  unwanted shutdown! “We can access the devices via PROFIBUS!” But: Parameter Up/Download is too slow  Annoying! 11 Steffen Ochsenreither, Endress+Hauser Clear Diagnostic messages! Easy device replacement! Faster Up/Download!
  • 12. Profiles PA Profile 3.02 12 Steffen Ochsenreither, Endress+Hauser History of the PA Profile 1999V3.0 Devices of Process Automation Industry PROFIsafe for PA Safety in PA Amendments V3.01 2004/ 2005 Market requirements Solution Up/ Download Version Handling Life Cycle Management Fast Parameter Transaction V3.02 2009 Unified Diagnostics (NE107) Unified Device Identification Condensed Status I&M Functions
  • 13. Profiles PA Profile 3.02 GSD old GSD new 1 2 3 4 5 Offline work at engineering station 13 Version Handling Device replacement Device fails Successor device is built in GSD file needs to be exchanged Download and Start- Up Work at engineering station Process Value is not available Maintenance personal doesn’t have access to PLC/DCS Engineering personal has to come on site Load of configuration often results in restart of the PLC/DCS Steffen Ochsenreither, Endress+Hauser
  • 14. Profiles PA Profile 3.02 Device replacement Identical device replacement Physical device replacement GSD File 151C Ident.-Number: 151C 14 Version Handling Ident.-Number: 151C Steffen Ochsenreither, Endress+Hauser
  • 15. Profiles PA Profile 3.02 Device replacement Device replacement with successor Physical device replacement Supported Ident Numbers: 1553, 151C, 9700 GSD File 151C 151C 1553 Ident.-Number: 151C 15 Version Handling Well, actually I’m Mr. 1553. But I know Mr. 151C very well... Steffen Ochsenreither, Endress+Hauser
  • 16. Profiles PA Profile 3.02 16 Version Handling Device replacement Device fails Successor device is built in Download and Start- Up Work at engineering station Device is adapting itself No need for changing the GSD file During next maintenance cycle, GSD file can be changed Process Value is available from the moment of the physical device exchange GSD old GSD new . . . 1 2 3 4 Offline work at engineering station Steffen Ochsenreither, Endress+Hauser
  • 17. Profiles PA Profile 3.02 Device replacement Life Cycle Management Device replacement without touching the PLC/DCS Implementation of new GSD files (and therefore new functionalities) during next maintenance cycle 17 Version Handling Easy device replacement! Steffen Ochsenreither, Endress+Hauser
  • 18. Profiles PA Profile 3.02 Easy Diagnostics with PA Profile 3.02 NAMUR recommendation NE107 is implemented Introducing four categories: Failure Maintenance required Out of Specification Function check Detailed diagnostics are still available for in- depth troubleshooting Self-Monitoring and Diagnosis of Field Devices Diagnostic categories are according to: Condensed Status 18 Steffen Ochsenreither, Endress+Hauser
  • 19. Profiles PA Profile 3.02 Diagnosis without PA Profile 3.02 e.g. Process Control, Maintenance, Condition Monitoring PROFIBUS Field Devices Detailed Diagnostics Events 19 Steffen Ochsenreither, Endress+Hauser
  • 20. Profiles PA Profile 3.02 Diagnosis with PA Profile 3.02 e.g. Process Control, Maintenance, Condition Monitoring PROFIBUS Field Devices Detailed Diagnostics Events Maintenance Required Failure Functional Check Out of Specification 20 Condensed Status Steffen Ochsenreither, Endress+Hauser
  • 21. Profiles PA Profile 3.02 21 Maintenance Required Failure Functional Check Out of Specification Diagnosis 1 Diagnosis 2 Diagnosis 3 … … … … … … … … … PROFIBUS PA … … … … … … … … … … … … … … … Maintenance Operator … … … … … … … … … … … … … … … Diagnosis with PA Profile 3.02 Condensed Status Steffen Ochsenreither, Endress+Hauser
  • 22. Profiles PA Profile 3.02 Faster parameter transaction Optimized grouping of parameter Fastest times in process automation (up to 5-10 times!) 22 Steffen Ochsenreither, Endress+Hauser Parameter Up-/Download: Commissioning Maintenance Device ExchangeMaintenance PROFIBUS Single Parameter Single Parameter Single Parameter Single Parameter Group of parameters Maintenance PROFIBUS PAProfile3.02 PAProfile3.0
  • 23. Profiles PA Profile 3.02 Summary PA Profile 3.02 Condensed Status & Diagnostic Messages Automatic Ident Number Adaption Faster Parameter Transmission Device Identification in non-powered state 23 Steffen Ochsenreither, Endress+Hauser
  • 24. Profiles PA Profile 3.02 Summary PROFIBUS profiles ensure common behavior of different devices in various environments Profiles are independent from the used protocol (e.g.: PROFIBUS, PROFINET…) Future adaptions of existing profiles into other communications in progress (e.g.: PA Profile for PROFINET) Profiles unlock the full potential of PI technologies 24 Steffen Ochsenreither, Endress+Hauser