Activities Manual for Programmable Logic Controllers
Activities Manual for Programmable Logic Controllers
5th Edition
ISBN: 9781259679568
Author: Petruzella, Frank
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 13, Problem 25RQ
Program Plan Intro

Programmable Logic Controller (PLC):

  • Programmable Logic Controller (PLC) is a specialized computer used in industrial segments to control machines and process.
  • PLC is program that consists of a set of instructions which resembles the controlling functions needed to perform specific tasks.
  • The function of PLC is similar to that of a relay and hence, in an industrial segment a relay is greatly replaced by a suitable PLC.
  • When compared to general Personal Computer (PC), a PLC is available in small and tiny sizes.
  • The basic architecture of a PLC consists of an input-output interface module and a small Central Processing Unit (CPU) that runs by controlling programming language.

Solenoid:

  • The working of solenoid is based on the principle of magnetic induction.
  • It contains a coil, frame, and a plunger known as armature.
  • The main function of solenoid is to convert electrical signals into mechanical motion.
  • Due to its magnetic movement, solenoid is used in different areas such as locking of two devices, interlocking of gear wheel in automobiles, and some other medical application.

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If a logic gate operates on a dc supply voltage of 15 V and draws an average current of 4 mA, what is its power dissipation?
IV. PROCEDURES: For the AND gate look on the data sheets, connect the circuit on Breadboard and test the gate. Using logic switches SW1 and SW2, apply the logic levels 0 and 1 to gate inputs Create a truth table and record the results Also simulate the given gate using the Circuit Wizard simulation software Obtain the corresponding circuit diagram using the simulation software of the Boolean expression F((A,B,C)= АВ* AC * ВС From the obtain circuit diagram develop the corresponding truth table From the figure below obtain the equivalent Boolean expression and develop its corresponding truth Table АП сПо- Boolean Expression: Z= (AB)(CD)
If both inputs of the SR latch with NAND gates are 0: a. the output is toggled b. the output is set c. the output is reset d. the input is not allowed
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