Overview
PROGRAMMABLE LOGIC CONTROLLERS – PLC
Course Outcome
4 Modules
The complete course consists of 4 video modules and 2 PDF manuals which include self-assessment
Module 1 – Fundamentals of Automatic Control
At the end of this module learners will be able to:
- Identify the 3 basic stages of a typical automatic control system
- Describe the operation of a two state switch and a two state logic
- Explain the operation of a two state relay, and describe the function as a control device
- Explain the basic differences between a relay logic controller and a programmable logic controller
Module 2 – Relay Logic Devices & Ladder Diagrams
At the end of this module learners will be able to:
- Identify typical symbols in relay ladder logic diagrams
- Identify typical input, logic and output devices
- Describe typical circuit operation from a ladder logic
Module 3 – PLC Hardware & Ladder Logic
At the end of this module learners will be able to:
- Describe the purpose and function of I/O’s
- Decipher address locations and devices involved in PLC ladder logic diagrams
- Describe how a CPU processes input signals to control the state of outputs
- Explain the basic differences between a relay logic controller and a programmable controller
Module 4 – The PLC as an Information Processor
At the end of this module learners will be able to:
- Describe how the PLC processes information by a process called SCAN
- Describe the basic operation of the CPU and its memory circuits
- Describe the internal logic devices that exist in the virtual world of the PLC
- Explain the operation of contacts, coils, timers and counters that appear in a typical PLC ladder logic diagram
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