PROGRAMMABLE LOGIC CONTROLLERS-ACCESS
5th Edition
ISBN: 9781259680915
Author: Petruzella
Publisher: MCG
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Chapter 2, Problem 23RQ
Explanation of Solution
a.
Current relationship described by sourcing and sinking:
- Sinking and sourcing are two terms used to describe a current signal flow relationship between the field input and output devices in a control system...
Explanation of Solution
b.
Field device compatible with an I/O module:
- If an I/O module is specified as a current-sinking type, then it will be electrically compatible with the sourcing field...
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When discussing PLDs, what does it mean to say that a process technology is "volatile," and which ones fall into this category?
At the level of the program, which form of parallelism (data or control) works best with SIMD? Which parallelism would work best for MIMD if it were applied at the level of the program?
Describe the seven layers of the OSI model and provide a practical example for each layer's function.
Chapter 2 Solutions
PROGRAMMABLE LOGIC CONTROLLERS-ACCESS
Ch. 2 - Prob. 1RQCh. 2 - What is the function of a PLC output interface...Ch. 2 - Prob. 3RQCh. 2 - Prob. 4RQCh. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Prob. 9RQCh. 2 - Prob. 10RQ
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
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- To begin, let's define SDN controllers.?arrow_forwardWhen referring to PLDs, what does it imply to state that a process technology is "volatile," and which ones are included in this group of technologies?arrow_forwardWhat exactly does the word "volatile" imply in the context of PLDs, and which process technologies are considered volatile?arrow_forward
- Need correct explanation complete question What are the basic advantages of using interrupt-initiated data transfer over transfer under programmed control without an interrupt?arrow_forwardIn the event of a malfunction occurring with the AS or TGS, what are the resulting consequences?arrow_forwardAt the level of the program, which form of parallelism (data or control) is best compatible with SIMD? What form of parallelism may be used at the level of the program that is most effective for MIMD?arrow_forward
- What are the circumstances that cause a system to reach a deadlock and become immobile?arrow_forwardWhich kind of programme parallelism (data or control) is best for SIMD implementation? What kind of parallelism at the programme level does MIMD excel at, and why?arrow_forwardAn operational loop or machine cycle consists of the aforementioned four components. What are the most important stages of a machine's cycle? Is it necessary to worry about the replacement of individual machine cycle components? Is there a method to address the issue of module switching by including more modules in the system?arrow_forward
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