Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
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Question
Chapter 55, Problem 1RQ
To determine
The difference between the analog input and the digital input.
Expert Solution & Answer
Explanation of Solution
There are two types of input that are given to Programmable logic controller, the analog input and the digital input.
The difference between the analog and the digital input is shown in Table below.
Analog inputs | Digital inputs |
Analog inputs are the signal that are continuous and changes with the time | Digital inputs are discrete time signals and dot changes with the time. |
Analog inputs are represented by sine waves. | Digital inputs are represented in square waves. |
The bandwidth consumption is less | The bandwidth consumption is high |
Analog inputs are stored as a wave forms. | Digital inputs are stored as binary bits. |
Cost of Analog input is low. | The cost is high. |
Thus, the difference between the AC input and the DC input is explained.
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Chapter 55 Solutions
Industrial Motor Control
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