Direct operation of a motor using or logic
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- The document describes an experiment to create an OR logic control circuit using a PLC to control the switching on and off of a motor. - The student will draw an OR gate ladder diagram in programming software, download it to an Allen-Bradley PLC, and wire the PLC inputs and outputs to start and stop buttons and a motor. - By pressing either of two start buttons, the motor should run, but it can only be stopped by the single stop button, demonstrating an OR logic control circuit.
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This document provides an overview of a basic training course on programmable logic controllers (PLCs). It describes the course objectives which are to understand the major PLC components, interpret specifications, troubleshoot PLCs, convert relay logic to PLC programming, and operate and program a PLC for applications. The course covers the history of PLCs, components like the CPU and I/O system, programming concepts, applications, and troubleshooting. It also provides examples of PLC programming for mixing tank controls.
Plc ppt
The document provides information about Programmable Logic Controllers (PLCs) including:
(1) An overview of PLCs, their history and components. PLCs were developed to replace relays and are used to automate industrial processes.
(2) Details on how PLCs work, including their main components like the CPU, power supply, and input/output modules. Programs are written and stored in memory to control inputs and outputs.
(3) Examples of ladder logic programming including basic logic elements, timers, counters, and latching circuits. Ladder diagrams provide a visual way to program sequences of operations and control flows.
Basic plc 1
This document provides an overview of programmable logic controllers (PLCs) and their basic components and functions. It describes the typical hardware components of a PLC including the processor, power supply, input/output modules, and programming device. It also explains the basic concepts of PLC memory organization, input and output circuit types, ladder logic programming, and common PLC applications in industry. The document is intended to introduce trainees to the fundamental building blocks and programming of PLC systems.
Plc (PROGRAMMABLE LOGIC CONTROLLER)
A PLC is a digital operating electronic apparatus.
Which uses a programmable memory for internal storage of instruction for implementing specific function such as logic, sequencing, timing, counting and arithmetic to control through analog or digital input/output modules various types of machines or process.
An introduction to pl cs
Programmable logic controllers (PLCs) are industrial computers used to monitor inputs and control outputs on automated machinery. PLCs read sensors as inputs, run user-written control programs, and activate outputs such as motors or valves. Ladder logic is the most common programming language for PLCs, resembling relay-run logic diagrams. PLCs scan inputs, execute programs, and update outputs continuously to automate industrial processes.
Programmable Logic Controller Training Day 1 to 3.pptx
This document provides an overview of a training course on basic programmable logic controllers (PLCs). It describes the course objectives which are to describe PLC components, interpret specifications, apply troubleshooting techniques, convert relay logic to PLC language, and operate and program a PLC for applications. The document lists the course contents which cover topics like history, programming concepts, applications, and troubleshooting. It also provides examples of PLC components, programming devices, input/output modules, and memory designs.
Unit 4 - PLC.pptx
The document provides information about programmable logic controllers (PLCs). It defines a PLC according to the NEMA standard as a digitally operating, microprocessor-based electronic apparatus that uses a programming memory to implement logic, sequencing, timing, counting, and arithmetic functions to control machines and processes. The document discusses the historical development of PLCs, their basic components including inputs, outputs, power supply and programming. It provides examples of PLC applications and programming techniques such as ladder logic. It also lists some leading PLC brands and provides basic information about relays and internal relays used in PLC systems.
Basic plc
This document provides an overview of a basic training course on programmable logic controllers (PLCs). It describes the objectives of the course which are to explain the basic components and programming of PLCs. The document outlines the course contents which will cover the history of PLCs, relay logic, the central processing unit, input/output systems, programming concepts, applications, troubleshooting and maintenance. It also provides examples of PLC components and their functions.
Basic plc
This document provides an overview of a basic training course on programmable logic controllers (PLCs). It describes the objectives of the course which are to explain the basic components and programming of PLCs. The document outlines the course contents which will cover the history of PLCs, relay logic, the central processing unit, input/output systems, programming concepts, applications, troubleshooting and maintenance. It also provides examples of PLC components and their functions.
Basic plc
This document provides an overview of a basic PLC training course. It describes the major components of a PLC including the processor, memory, I/O modules, and programming device. It also outlines the course contents which will cover the history of PLCs, programming concepts, applications, and troubleshooting. The objectives are for participants to understand PLC components, programming, applications, and basic troubleshooting.
Basic plc
This document provides an overview of a basic PLC training course. It describes the major components of a PLC including the processor, memory, I/O modules, and programming device. It also outlines the course contents which will cover the history of PLCs, programming concepts, applications, and troubleshooting. The objectives are for participants to understand PLC components, programming, applications, and basic troubleshooting.
Basic plc
This document provides an overview of a basic training course on programmable logic controllers (PLCs). It describes the objectives of the course which are to understand the basic components of PLCs, how to program and troubleshoot them, and how to apply PLCs to industrial control applications. The document also lists the major topics to be covered, which include the history of PLCs, relay logic, PLC components like the CPU and I/O system, programming concepts, and PLC applications and maintenance.
Basic plc
This document provides an overview of a basic training course on programmable logic controllers (PLCs). It describes the objectives of the course which are to explain the basic components and programming of PLCs. The document outlines the course contents which will cover the history of PLCs, relay logic, the central processing unit, input/output systems, programming concepts, applications, troubleshooting and maintenance. It also provides examples of PLC components and their functions.
Basic plc
This document provides an overview of a basic PLC training course. It describes the major components of a PLC including the processor, memory, I/O modules, and programming device. It also outlines the course contents which will cover the history of PLCs, programming concepts, applications, and troubleshooting. The objectives are for participants to understand PLC components, programming, applications, and basic troubleshooting.
Basic plc
This document provides an overview of a basic PLC training course. It describes the major components of a PLC including the processor, memory, I/O modules, and programming device. It also outlines the course contents which will cover the history of PLCs, programming concepts, applications, and troubleshooting. The objectives are for participants to understand PLC components, programming, applications, and basic troubleshooting.
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Direct operation of a motor using or logic
- 2. • Name : S. Aravindh Krishna Thilak. • Roll.No : 142004 • Branch : Mechanical (REG) – 3rd Year
- 5. • 1.To draw a ladder diagram for switching on and off of a motor using OR logic control. • 2.To wire the circuit with the PLC and test it.
- 6. • PLC Trainer - 1 No • Start push button - 1 No • Stop push button - 1 set • A small 24 DC Motor - 1 No • PC with ladder programming software
- 7. : • 1. Make : Allen bradely • 2. Model : AB micro logic 1000 • 3. Number of I/Os : 6/4 • 4. Power supply : 24 V DC • 5. Software used : RS logic 500
- 8. • It is to be noted that control circuit is drawn as ladder diagram. OR Logic control circuit is used in certain situations for examples ; one motor is in the Up – Stair of the Industrial floor. If the motor is to be switched on either from ground floor or from the first floor , Two start switches are needed . From any floor ,the motor should be switched off . Once the motor is on , though the Start switch is released , the Motor will be in on condition. At any time , the Motor can be switched off using Stop switch. In the control circuit , Two Start Push switches are connected in Parallel (OR condition).The NO of the output coil is also connected in parallel to these switches. The Stop switches NC is connected in series with the Start NO.
- 11. OR GATE A B Y=A+B 0 0 0 0 1 1 0 1 1 1 1 1
- 14. : • Draw the OR control logic starter ladder diagram in the computer.Use I:0/0 NO for one start push switch, I:0/0 NO for another start push switch and I:0/2 NC for stop switch and O:0/0 for output coil. • Compile the program and download the program to the PLC. • There are 2 terminals IN the start switch. Connect one terminal to +24V power supply and another to I:0/1 input of the PLC.
- 15. • There are 2 terminals IN the start switch. Connect one terminal to +24V power supply and another to I:0/1 input of the PLC. • Similarly, connect one terminal of stop switch to +24V power supply and another to I:0/2 input of the PLC. • Connect +24V to common of the O:0/0 output. Connect NO terminal of the same output of the PLC to one terminal of the motor and connect another terminal of the motor to ground of the 24V power supply in the PLC trainer kit.
- 16. • Run the program. • Press and release first start switch. The motor should run. • Press and release first stop switch. The motor should stop. • Press and release second start switch and check for motor run.
- 17. • Now press and release first start switch. No change will be there. The motor will be continuously run. • Press and release stop switch and check for motor off.
- 18. APPLICATIONS Automatic fan control system. Security alarm. Street Light.
- 22. • Thus a ladder diagram for switching on and off of a motor using OR logic control circuit has been done.