Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Question
Chapter 14, Problem 18RQ
Program Plan Intro
Programmable Logic Controller (PLC):
- PLC is a specialized computer used in industrial segments to control machines and process.
- PLC is program that consists of a set of instructions that 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.
Motion Control:
- A motion control system is used to provide accurate positioning, velocity, and torque control for a variety of motion applications.
- A basic PLC motion control system includes a programmable controller, motion module, servo drive, servomotor, and the machinery being controlled.
- An axis of motion refers to each motor controlled in the system.
Explanation of Solution
b.
Function of motion module:
- Motion module is used to get motion commands from the controller.
- It is also used to transform th...
Explanation of Solution
c.
Function of servo drive:
- Servo drive is used to supply and control the motor power.
- It provides power to the servo motors.
- It gets the signal provided by the motion mo...
Explanation of Solution
d.
Function of servomotor:
- Servomotor is used to represent the axis being controlled.
- It gets the electrical power from servo drive that defines the velocity and position of motor shaft...
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Chapter 14 Solutions
Programmable Logic Controllers
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