Programmable Logic Cont. - Connect Access
Programmable Logic Cont. - Connect Access
5th Edition
ISBN: 9781260536157
Author: Petruzella
Publisher: MCG
Expert Solution & Answer
Book Icon
Chapter 2, Problem 39RQ

Explanation of Solution

a.

Conversion of power supply:

  • Generally, the processor section, memory section and an I/O module requires a DC voltage of 5VDC.
  • When these sections of modules are plugged int...

Explanation of Solution

b.

Hold-up time:

  • When the power is dismissed suddenly, it can cause damage to PLC or sometimes, it can even completely hold the process control operation abruptly.
  • To avoid this situation, PLC must be able to hold up the time...

Blurred answer
Students have asked these similar questions
Draw a plc ladder diagram for blinking lights with start and stop button. Please help me with this. Thank you in advanced.
Describe the function and connection of the internal registers of the PLC. What parameters are relevant in the development of a PLC program? What requirements would you place on an integrated program development environment.
What are some good and bad applications of PLCs?

Chapter 2 Solutions

Programmable Logic Cont. - Connect Access

Ch. 2 - Prob. 11RQCh. 2 - What are the advantage and the disadvantage of...Ch. 2 - With reference to PLC discrete input modules: a....Ch. 2 - Prob. 14RQCh. 2 - Explain the function of the backplane of a PLC...Ch. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - What electronic element can be used as the...Ch. 2 - With reference to discrete output module current...Ch. 2 - What electronic element can be used as the...Ch. 2 - Prob. 22RQCh. 2 - Prob. 23RQCh. 2 - Prob. 24RQCh. 2 - Prob. 25RQCh. 2 - Prob. 26RQCh. 2 - Prob. 27RQCh. 2 - Prob. 28RQCh. 2 - Prob. 29RQCh. 2 - Explain the difference between a unipolar and...Ch. 2 - Prob. 31RQCh. 2 - In what two ways can the loop power for current...Ch. 2 - Prob. 33RQCh. 2 - Prob. 34RQCh. 2 - Prob. 35RQCh. 2 - Write a short explanation for each of the...Ch. 2 - Write a short explanation for each of the...Ch. 2 - Prob. 38RQCh. 2 - Prob. 39RQCh. 2 - Prob. 40RQCh. 2 - Prob. 41RQCh. 2 - Prob. 42RQCh. 2 - Prob. 43RQCh. 2 - Prob. 44RQCh. 2 - Prob. 45RQCh. 2 - Prob. 46RQCh. 2 - Prob. 47RQCh. 2 - What information is normally stored in the ROM...Ch. 2 - Prob. 49RQCh. 2 - Prob. 50RQCh. 2 - Prob. 51RQCh. 2 - Prob. 52RQCh. 2 - Prob. 53RQCh. 2 - Prob. 54RQCh. 2 - Prob. 55RQCh. 2 - Prob. 56RQCh. 2 - Prob. 57RQCh. 2 - Prob. 58RQCh. 2 - Prob. 59RQCh. 2 - Prob. 60RQCh. 2 - What is the function of a transducer?Ch. 2 - Prob. 62RQCh. 2 - Prob. 1PCh. 2 - Assume a thermocouple, which supplies the input to...Ch. 2 - With reference to I/O module specifications: a. If...Ch. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Prob. 6P
Knowledge Booster
Background pattern image
Similar questions
Recommended textbooks for you
Text book image
A+ Guide to Hardware (Standalone Book) (MindTap C...
Computer Science
ISBN:9781305266452
Author:Jean Andrews
Publisher:Cengage Learning