Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Chapter 5, Problem 8P
Explanation of Solution
a.
Required instruction:
The required instruction for accomplishing the desired task is “Examine If Open (XIO)”.
Because of the following reasons
- When the conveyor mot...
Explanation of Solution
b.
Required instruction:
The required instruction for accomplishing the desired task is “XIC”.
Because of the following reasons
- In this case, the pushbutton is normally open switch...
Explanation of Solution
c.
Required instruction:
The required instruction for accomplishing the desired task is “XIC”.
Because of the following reasons
- In this case, the pushbutton is normally closed switch.
- While at rest, the push button applies power to the input module and the data table bit is ON...
Explanation of Solution
d.
Required instruction:
The required instruction for accomplishing the desired task is “XIC”.
Because of the following reasons
- In this case, the limit switch is normally closed...
Expert Solution & Answer
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Students have asked these similar questions
Purpose:
The entry/Exit of the parking lot is a single lane passage. By controlling the indicators, the program ensures that only one car can pass
through the Entry/Exit so as to prevent car accident between entering and leaving cars.
Y1
X1
Program Description:
In the parking lot, there are two light indicators individually directing the entering and leaving cars. By the interlock control circuit, only
one indicator will show "GO" signal and the car accident will thus be prevented.
When an
the same time, the leaving car indicator will show "STOP". Car entering is allowed but leaving is prohibited in this case.
When a leaving car draws near the vehicle control barrier, X1 will be ON and so will Y1. The leaving car indicator will show "GO" and the
entering car indicator will show "STOP"|
draws near the vehicle control barrier, XO will be ON and so will YO. The entering car indicator will show "GO". At
TOP
GO
Arduino programming exercises using Uno Microcontroller
Write a program that starts out by flashing an LED connected to pin7 at 2Hz. On a button press (button is attached to pin4 – wire active low), the LED turns on for 2 seconds. After this the whole cycle repeats.
With AVR ATmega16 microcontroller, a circuit has servomotor (PC0), two pushbuttons and two LEDs. Write a program as:
when PB2 pushbutton pressed the servomotor will rotate clockwise and the first LED (PD0) will be on.
when PB3 pushbutton pressed the servomotor will rotate counterclockwise and the second LED (PD1) will be on
Chapter 5 Solutions
Programmable Logic Controllers
Ch. 5 - What does the memory map for a typical PLC...Ch. 5 - Compare the function of the PLC program and data...Ch. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - a. What information is stored in the input image...Ch. 5 - a. What information is stored in the output image...Ch. 5 - Prob. 7RQCh. 5 - List four factors that enter into the length of...Ch. 5 - Prob. 9RQCh. 5 - Prob. 10RQ
Ch. 5 - Prob. 11RQCh. 5 - Answer the following with regard to the Examine If...Ch. 5 - Answer the following with regard to the Examine If...Ch. 5 - Answer the following with regard to the Output...Ch. 5 - A normally closed pushbutton is connected to a PLC...Ch. 5 - Prob. 16RQCh. 5 - Prob. 17RQCh. 5 - Prob. 18RQCh. 5 - Prob. 19RQCh. 5 - Prob. 20RQCh. 5 - Prob. 21RQCh. 5 - Explain the purpose of Windows based programming...Ch. 5 - Prob. 23RQCh. 5 - Prob. 24RQCh. 5 - Prob. 25RQCh. 5 - Prob. 26RQCh. 5 - Assign each of the following discrete input and...Ch. 5 - Prob. 2PCh. 5 - Prob. 3PCh. 5 - Redraw the program shown in Figure 5-57 corrected...Ch. 5 - Redraw the program shown in Figure 5-58 corrected...Ch. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Prob. 8PCh. 5 - Write the ladder logic program needed to implement...
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- Arduino programming exercises using Uno Microcontroller Write a program that turns on an LED attached to pin 3 for 5 seconds then turns it off. The light should stay off for 3 seconds and then the LED should blink 10 times at a rate of 1 Hz (on and off each second).arrow_forwardThe lights in a classroom are controlled by two switches: one at the back and one at the front of the room. Moving either switch to the opposite position turns the lights off if they are on and on if they are off. Assume the lights have been installed so that when both switches are in the down position, the lights are off. Design a circuit to control the switchesarrow_forwardArduino programming exercises using Uno Microcontroller Write a program that starts by having a red LED attached to pin 8 go on. The LED will stay on until a button is pressed. A half second after the button is pressed, the red LED will go off and a green LED will go on for 5 seconds. After this the whole cycle repeats.arrow_forward
- Find out the control signal for the following instructions. The complete datapath and control signals given as following:arrow_forwardComputer Science A circuit for two output ports (A&C) of the AVR ATmega16 microcontroller each connected to 8 LEDs. Write a program to control the LEDs in a sequence shown by stepping to lit on the LED sequentially as in the figure by toggling the LED at the same time for both ports (500mS) ending at the last state of the figure and looping back inversely to the start. This s done for 3 times back and forth.arrow_forwardQUESTION 23 For the LED pack on our board, to turn on the outside LEDS using the instruction "OUT 56, AL", AL should be first set to: OF 18 O 11 56 81 FFarrow_forward
- With the AVR ATmega16 microcontroller, a circuit has a servomotor (PC0), three pushbuttons, two LEDs, and a 7-segment. Write a program as when the PB2 pushbutton is pressed the servomotor will rotate 90 degrees and the first LED (PA0) will be on. When the PB3 pushbutton is pressed the servomotor will rotate 180 degrees and the second LED (PA1) will be on. When the PB1 pushbutton is pressed the 7-segment will display a pattern from A to F with a 500 ms delay for every digit. Use an array to store the digits of the 7-segment display in binary format.arrow_forwardA circuit has a pushbutton switch connected to pin PD0 and a servomotor connected to PC0 of AVR ATmega16 microcontroller. Write a program so that when the pushbutton is pressed the servomotor will rotate clockwise and when the pushbutton is released the servomotor will rotate anticlockwise.arrow_forwardA traffic light PLC program working with a screen will be installed. We will enter and adjust the intervals on the screen. (Red, green and yellow light flashing times). Put the every step's picture please.arrow_forward
- a description of how the clock worksarrow_forwardQuestion 24 The Arduino instruction that will give you the state of a switch or push button is: digitalWrite() O analogWrite() O digitalRead() tone() O pinMode() analogRead()arrow_forwardPlease design a circuit that has a red led and a blue led and simulates a police light (i.e: The red led turns on and off periodically and it gives light when the blue one doesn't, then it turns off when the blue one turns on.)arrow_forward
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