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>> Using the Programmable Logic Control (PLC) for Discrete Industrial Control Applications

Description :

This basic course combines information and hands-on experience to explain set-up, operation and maintenance of PLCs used in industrial control applications.

You will be able to :

  • Understand the benefits of using PLCs in industrial control.
  • Identify the basic components of a PLS system.
  • Understand the timing considerations when using the PLC to solve logic.
  • To develop and test a PLC program using vendor's software instructions.
  • Install and wire I/O for a given PLC using vendor's software.
  • To fully document a PLC ladder program.
  • Apply the fundamentals of electric motor control using PLC instructions.
  • Program and test a tank level control application.
  • Follow guidelines for the installation, wiring, and maintenance of PLC systems.
  • Understand the operation of PLC safety circuits.
  • Check the operation and calibration for an analog input and analog output module.

You will cover :

  • Basic Components of a Programmable Logic Controller.
  • Input/Output Systems : Discrete Input/Output Models/ DC and AC Input, Output Modules/ Analog Input and Output Modules/ Connection Diagrams.
  • CPU Operation and PLC Memory Organization : Scan Cycle and Scan Time/ Memory Size and Map/ Input, Output Data Files/ Hardware, Software Interface/ Data File Addressing.
  • PLC System Power Supply and Sizing of the Power Supply
  • Electric Motor Control Fundamentals : Relays/ Devices and Symbols / Ladder Diagram Symbols/ Examples (Star/Stop Circuits, etc.) / Comparison of Logic Circuits, Ladder Symbols, and Diagrams.
  • Vendor Programming Software : Allen-Bradley RSLogix 500.
  • PLC Ladder Programming : Ladder Logic Instructions / Time and Counter Instructions/ Basic Discrete Control Functions.
  • PLC Data Manipulation Instructions : Data Move/ Data Comparison.
  • Basic Arithmetic Instructions : Add; Subtract, Multiply, Divide, and Square Root.
  • PLC Installation : Panel Layout/ Heating/ NEMA Enclosures/ Maintenance/ Duct and Wiring Layout/ Installation/ Grounding.
  • Maintenance Practices and Safety Circuits : Visual Inspection / Continuity Check / Input and Output Wiring Check / Operational Testing / Emergency Stops/ Safety Control Relays/ Emergency Disconnect / Troubleshooting/ Hardware Failures/ Software Errors.

Classroom/Laboratory Exercises :

  • Identify the basic components of a PLC.
  • Wire and test a start/stop motor control circuit.
  • Wire start and stop switches, relays, and pilot lights to PLC input and output modules.
  • Test input and output modules.
  • Enter, download, and test a ladder program.
  • Program and test a PLC start/stop motor control program, an on-off tank level control application, and basic arithmetic instructions.
  • Program and test timer, counter, and data manipulation instructions.
  • Program and test a program used to scale an analog input and analog output channel.
  • Check the operation of an analog input and analog output module.

A hand-held calculator should be brought to class.