Sections of an I/O module:

• The optical isolator circuit is divided into two parts as follows:

○ Power supply section:

■ It is used to filter the AC voltage ripples and convert it into required DC level.

■ It produces a pulsating DC voltage and it is then passed to the threshold director which maintains constant DC voltage...

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Chapter 2, Problem 16RQ

Chapter 2, Problem 18RQ

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Chapter 2 Solutions

Programmable Logic Cont. - Connect Access

Ch. 2 - Prob. 1RQ Ch. 2 - What is the function of a PLC output interface...Ch. 2 - Prob. 3RQ Ch. 2 - Prob. 4RQ Ch. 2 - Prob. 5RQ Ch. 2 - Prob. 6RQ Ch. 2 - Prob. 7RQ Ch. 2 - Prob. 8RQ Ch. 2 - Prob. 9RQ Ch. 2 - Prob. 10RQ

Ch. 2 - Prob. 11RQ Ch. 2 - What are the advantage and the disadvantage of...Ch. 2 - With reference to PLC discrete input modules: a....Ch. 2 - Prob. 14RQ Ch. 2 - Explain the function of the backplane of a PLC...Ch. 2 - Prob. 16RQ Ch. 2 - Prob. 17RQ Ch. 2 - Prob. 18RQ Ch. 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. 22RQ Ch. 2 - Prob. 23RQ Ch. 2 - Prob. 24RQ Ch. 2 - Prob. 25RQ Ch. 2 - Prob. 26RQ Ch. 2 - Prob. 27RQ Ch. 2 - Prob. 28RQ Ch. 2 - Prob. 29RQ Ch. 2 - Explain the difference between a unipolar and...Ch. 2 - Prob. 31RQ Ch. 2 - In what two ways can the loop power for current...Ch. 2 - Prob. 33RQ Ch. 2 - Prob. 34RQ Ch. 2 - Prob. 35RQ Ch. 2 - Write a short explanation for each of the...Ch. 2 - Write a short explanation for each of the...Ch. 2 - Prob. 38RQ Ch. 2 - Prob. 39RQ Ch. 2 - Prob. 40RQ Ch. 2 - Prob. 41RQ Ch. 2 - Prob. 42RQ Ch. 2 - Prob. 43RQ Ch. 2 - Prob. 44RQ Ch. 2 - Prob. 45RQ Ch. 2 - Prob. 46RQ Ch. 2 - Prob. 47RQ Ch. 2 - What information is normally stored in the ROM...Ch. 2 - Prob. 49RQ Ch. 2 - Prob. 50RQ Ch. 2 - Prob. 51RQ Ch. 2 - Prob. 52RQ Ch. 2 - Prob. 53RQ Ch. 2 - Prob. 54RQ Ch. 2 - Prob. 55RQ Ch. 2 - Prob. 56RQ Ch. 2 - Prob. 57RQ Ch. 2 - Prob. 58RQ Ch. 2 - Prob. 59RQ Ch. 2 - Prob. 60RQ Ch. 2 - What is the function of a transducer?Ch. 2 - Prob. 62RQ Ch. 2 - Prob. 1P Ch. 2 - Assume a thermocouple, which supplies the input to...Ch. 2 - With reference to I/O module specifications: a. If...Ch. 2 - Prob. 4P Ch. 2 - Prob. 5P Ch. 2 - Prob. 6P

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Solution Summary: The author explains the optical isolator circuit, which acts as an electronic switch between digital switch and power section circuit.

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