Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Question
Chapter 14, Problem 5RQ
Program Plan Intro
Closed-loop control system:
- A feedback path is employed in closed-loop system to measure the original system parameters such as pressure, speed, and so on.
- Here, the controller produces an error signal which initiates corrective action and energize the output device.
- Examples of closed-loop systems include cooling system in car, water level controller, tracking radar systems, and many others.
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Chapter 14 Solutions
Programmable Logic Controllers
Ch. 14 - Compare continuous and batch processes.Ch. 14 - Prob. 2RQCh. 14 - State the basic function of each of the following...Ch. 14 - State the purpose of each of the following types...Ch. 14 - Prob. 5RQCh. 14 - Prob. 6RQCh. 14 - Prob. 7RQCh. 14 - Prob. 8RQCh. 14 - Prob. 9RQCh. 14 - Prob. 10RQ
Ch. 14 - Prob. 11RQCh. 14 - What term of a PID control is designed to...Ch. 14 - Prob. 13RQCh. 14 - Prob. 14RQCh. 14 - Prob. 15RQCh. 14 - Prob. 16RQCh. 14 - Prob. 17RQCh. 14 - Prob. 18RQCh. 14 - Prob. 19RQCh. 14 - List four types of communication tasks provided by...Ch. 14 - Prob. 21RQCh. 14 - What are the three general levels of functionality...Ch. 14 - Prob. 23RQCh. 14 - Prob. 24RQCh. 14 - Compare device and process bus networks.Ch. 14 - Prob. 26RQCh. 14 - Prob. 27RQCh. 14 - Prob. 28RQCh. 14 - Prob. 29RQCh. 14 - Summarize the collision detection network access...Ch. 14 - Prob. 31RQCh. 14 - Prob. 32RQCh. 14 - Prob. 33RQCh. 14 - Prob. 34RQCh. 14 - Prob. 35RQCh. 14 - Prob. 36RQCh. 14 - Prob. 37RQCh. 14 - Prob. 38RQCh. 14 - Prob. 39RQCh. 14 - Explain how redundant media works.Ch. 14 - Prob. 41RQCh. 14 - Prob. 42RQCh. 14 - Prob. 43RQCh. 14 - Prob. 44RQCh. 14 - Summarize the two main functions of a SCADA...Ch. 14 - Prob. 46RQCh. 14 - Prob. 1PCh. 14 - Prob. 2PCh. 14 - How would an on/off controller respond if the...Ch. 14 - In a home heating system with on/off control, what...Ch. 14 - a. Calculate the proportional band of a...Ch. 14 - Prob. 6PCh. 14 - Prob. 7PCh. 14 - Prob. 8P
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- What steps are involved in putting finite-state machine control into practice?arrow_forward2. In a Open-loop system (a) the control action depends on the size of the system .. (b) the control action depends on system variables (c) the control action depends on the input signal (d) the control action is independent of the outputarrow_forward5. The unit-step response of a control system is a response when the signal applied to the input is (a) A unit-step function (b) (c) A sine function None of the abovearrow_forward
- ) In an open-loop control system: (a) System variables effect the output signal (b) Output signal has no control on the input signal (c) None of the variables have any effect on the input signal (d) None of thesearrow_forwardCREATE A BLOCK DIAGRAM OF THE COMPONENTS OF A MOTOR SPEED CONTROL.arrow_forwardQ1:- let the system is 1 G(s) s +1 And the controller is:- K Kz D(z) %3D 1- z-1 z - 1 The closed loop T.F isarrow_forward
- 3. A closed-loop system is distinguished from open-loop system by which of the following ? (a) Servomechanism (b) Feedback (c) Output pattern (d) Input patternarrow_forwardIt is necessary to describe how finite-state machine control is implemented.arrow_forwardList 4 parameters for a multilevel feedback queuearrow_forward
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