Programmable Logic Controllers
Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Chapter 10, Problem 17RQ
Program Plan Intro

Thermocouple:

  • The thermocouple refers to a device used for measuring temperature.
  • It includes a pair of wires joined together and the free ends of the wires connected to an instrument such as voltmeter.
  • It measures the difference in potential created at the junction of two ends.

Processor:

  • A Central Processing Unit (CPU) is also known as processor.
  • The process refers to an electronic circuit within a computer.
  • It carries out the program instructions for performing basic arithmetic, logic, controlling and I/O operations.

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