Understanding Motor Controls
4th Edition
ISBN: 9781337798686
Author: Stephen L. Herman
Publisher: Delmar Cengage Learning
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Chapter 38, Problem 3RQ
Name the four basic sections of a programmable logic controller.
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Chapter 38 Solutions
Understanding Motor Controls
Ch. 38 - What industry first started using programmable...Ch. 38 - Name two differences between PLCs and common home...Ch. 38 - Name the four basic sections of a programmable...Ch. 38 - Prob. 4RQCh. 38 - What device is used to program a PLC?
Ch. 38 - What device separates the central processing unit...Ch. 38 - What is opto-isolation?
Ch. 38 - Prob. 8RQCh. 38 - Prob. 9RQCh. 38 - Prob. 10RQ
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- Traffic Light System Construct a PLC program for a traffic light system with the following condition: The green light will be ON for 10 second, followed by the yellow light for 3 second and red light for 20. The system will run continuously until the START/STOP switch is deactivated. Figure 12: The traffic light system Two Directional Control of Traffic Light Extend the PLC program for the traffic light system with the following condition:. Red = north/south Green = north/south Amber = north/south Green = east/west Amber = east/west Red = east/west -25 s ·5 s 25 s 5 sarrow_forwardI want you to draw a ladder logic diagram of a garage door to control it by PLC. In my case we have different inputs and outputs and all of them gotta be used in the diagram. I can perfectly interpret the diagram so no need to explain it, I will just require you to draw it. INPUTS : open push button ( OPB ) - close push button ( CPB ) - open limit switch ( OLS ) - close limit switch ( CLS ) - obstacle detection sensor ( ODS ) - safety sensor ( SS ) - emergency stop push button ( ESPB ) - reset button ( RB ) OUTPUTS : motor starts ( MS ) - motor stops ( MSTP ) - motor forward ( MF ) - motor reverse ( MR ) - Error display ( ER ) OPERATİNG MODES : automatic mode ( AM ) - manual mode ( MM ) NECESSARY TIMERS : T1 ( delay door movement after obstacle detection ) - T2 ( delay door movement after reversing ) Here is my excercise for today. Please I am requiring a good logic diagram taking into consideration all what was mentioned before. so to sum up, I want you to write a logic ladder diagram…arrow_forwardWhat industry first started using programmable logic controllers?arrow_forward
- B. Use your own words to describe the method to derive the A-matrix that represents each joint of the SCARA robot above?(Hint: Use your own symbols for joint parameters and links’ lengths).C.Arrange the A-matrices described in part (B) in the correct order necessary to derive the kinematic matrix that defines the motion of the end-effector of the SCARA robot?arrow_forward6.arrow_forwardCan you answer the question?arrow_forward
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