Activities Manual For Programmable Logic Controllers
5th Edition
ISBN: 9781259682476
Author: Frank Petruzella
Publisher: Mcgraw-hill Higher Education (us)
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Question
Chapter 12, Problem 7RQ
Program Plan Intro
Sequencer instruction:
- Programmable Logic Controller (PLC) sequencer instructions are used for controlling machines which provides a stepped sequence of repeatable operations.
- It simplifies the ladder
program by allowing the user to use a single or pair of instructions for performing complex operations. - Various sequencer instructions can be program based on the PLC manufacturer.
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Chapter 12 Solutions
Activities Manual For Programmable Logic Controllers
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Similar questions
- What is the purpose of an Arithmetic Logic Unit (ALU) in a CPU, and how does it contribute to the execution of instructions?arrow_forwardA branch instruction changes the flow of information by changing the PC.True or False with explanation.arrow_forwardWhat happens if an instruction is refused? Software-managed TLBs are quicker than hardware-managed ones:arrow_forward
- What would happen if the RET instruction was omitted from a procedure?arrow_forwardDiscuss the role of flags or condition codes in ALU instructions. How are they used to control program flow?arrow_forwardWhat would happen if an instruction was disobeyed, and why would that be the case? In the following scenarios, a TLB that is maintained by software is more efficient than one that is handled by hardware:arrow_forward
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