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PLC Program Flow and Control Instructions

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Overview

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Explore advanced PLC ladder logic programming instructions, including bit shift left, bit shift right, word shift operations, and subroutine instructions.

Syllabus

Introduction
  • PLC program flow and control
  • What you should know before watching
1. Bit Shift Register
  • Concepts of bits and words
  • Bit shift registers intro
  • Bit shift register parameters
  • BSL instruction (bit shift left)
  • BSR instruction (bit shift right)
  • BSL instruction demonstration
2. Word Shift Operations
  • Word shift operations intro
  • First in, first out (FIFO) instruction
  • FFL (FIFO load) parameters, part 1
  • FFL (FIFO load) parameters, part 2
  • FFU (FIFO unload) parameters
  • Illustrate FIFO operation: Example
  • Illustrate FFL operation, part 1
  • Illustrate FFL operation, part 2
  • Example program
3. Program Flow Control Instructions
  • Intro to program control instructions
  • Jump (JMP) to label (LBL) instructions
  • Master control rest (MCR) instruction
  • Difference between JMP and MCR
  • Introduction to subroutines
  • Jump to subroutine (JSR) instruction
  • Subroutine (SBR) instruction
  • Return from subroutine (RET)
  • Nested subroutines
Conclusion
  • Next steps

Taught by

Zahraa Khalil

Reviews

4.7 rating at LinkedIn Learning based on 615 ratings

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