PROGRAMMABLE LOGIC CONTROLLERS-PACKAGE
5th Edition
ISBN: 9781260017502
Author: Petruzella
Publisher: MCG
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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...
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RB4 is connected to a pulse generator and pin RB1 is connected to a led, write a program to toggle the led on the falling and rising edge of the pulse (using interrupts).
A circuit has two pushbutton switches connected to pin PA2 and PA3 and two LEDs connected to pin PC0 and PC1 of the AVR ATmega16 microcontroller. Write a program to control the LEDs as follows; blink PC0 LED if the PA2 pushbutton is pressed with 2 seconds total delay time for every blink and blink PC1 LED if the PA3 pushbutton is pressed with 300ms total delay time for every blink.
The method which the processor continually checks the status flags in each module to find which one caused the interrupt is called ---------
a.software Polling
b.bus master
c.Echoing
d.Check INT
Chapter 5 Solutions
PROGRAMMABLE LOGIC CONTROLLERS-PACKAGE
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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- Task 1: Write a logic unit program as follows:a) First Input Number: Using 3 buttons defined at different pins of PORTA increment, decrement, clear a number while continuously showing it in decimal format at 7sd connected to PORTB;The number must be between 0 and 9.b) Second Input Number: When the 4th button at PORTA is pressed the number is saved to memory. Then the process given at part a is repeated with the same buttons.The number must be between 0 and 9.c) Multiplication: With the second press at the 4th button the second number is also saved to a memory location different than the first one. Then two numbers are multiplied.d)Results : Put the program in a loop showing each digit of the result for 1 second with an additional underscore digit to the left side.i.e., if the result is 9 show 09, and if the result is 14 show 014.Hints:Multiplication is a number summed with itself for a certain number of times.i.e., 2 x 3 = 3 + 3 = 2 + 2 + 2.Report: It can be written on paper or on a…arrow_forwardWork #6: MISO DIGITAL SYSTEMS (The Counter) Write the routine (using Arduino instructions) for a system that: Counts the number of times a pushbutton is closed. Decrements the accumulated value each time a second pushbutton is closed. Turns ON an LED when the accumulated value of the counter is equal or greater than20.arrow_forwardAssume that an external clock signal is being fed into pin T0CKI. Write a program to useTimer0 in 16-bit mode to count the pulses and display the TMR0H and TMR0L registers onPORTB and PORTD, respectively (be sure to read the low register of the timer first). Startthe count at 0x0000 and stop the count at 0xFFFF+1. Use the MPLAB simulator to verifythe proper operation of the program. You may need to use the Watch window to view thecontents of TMR0H and TRM0L as it may not be obvious using the Logic Analyzer, that thecontents of TRM0H are incrementingarrow_forward
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