Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Question
Chapter 2, Problem 45RQ
a.
Program Plan Intro
Programmable Logic Controller (PLC):
- Programmable Logic Controller (PLC) is a specialized computer used in industrial segments to control machines and process.
- PLC is programmable that consists of a set of instructions which resembles the controlling functions needed to perform specific tasks.
- The function of PLC is similar to that of a relay and hence, in an industrial segment a relay is greatly replaced by a suitable PLC.
- When compared to general Personal Computer (PC), a PLC is available in small and tiny sizes.
- The basic architecture of a PLC consists of an input-output interface module and a small Central Processing Unit (CPU) that run by control
programming language.
b.
Explanation of Solution
Input status of a closed switch:
The input status of a cl...
c.
Explanation of Solution
Input status of an open switch:
The input status of an o...
d.
Explanation of Solution
Output status of ON:
The status of an output which ...
e.
Explanation of Solution
Output status of OFF:
The status of an output which ...
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Chapter 2 Solutions
Programmable Logic Controllers
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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Similar questions
- .............Control loop is a continuous cycle of the PLC reading Ladder Logic O Outputs Inputs Oarrow_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).arrow_forwardWhat is the logic system for Gamma Area Monitor?arrow_forward
- The designer needs for....... state boxes for drawing the ASM-chart for the controller of the aforementioned system 5 O 4 O 9 10 O 8 60arrow_forwardThere is one output, z in the following circuit. Analyze the following sequential circuit by B Clock Reset I. Write down the state equations. II. Write down the output equations. III. Write down the state table for the sequential circuit. IV. Draw the state diagram for the sequential circuit.arrow_forwardCreate a PLC ladder logic diagram for an alarm that turns on when either A counts up to 10, or B counts down to 7.arrow_forward
- A PLC is used to control a single-axis robot, in which the axis is driven by a pneumatic cylinder. An output signal to the pneumatic cylinder causes it to extend (ON state). When there is no signal, the pneumatic cylinder retracts (OFF state). The gripper is an also driven by a pneumatic cylinder. The gripper open position is an OFF state and the closed position is an ON state. In order to perform a task, the following sequence of operations must be performed: TH Sequence No. Аxis Gripper OFF OFF 1 ON OFF ON ON 3 OFF ON 4 OFF OFF The process begins when the start bush button is ON and a part triggers a limit switch. For safety, an emergency switch is used to shut off the entire system. Design a PLC ladder diagram for this application.arrow_forwardDesign a PLC program and prepare a typical I/O connection diagram and ladder logic program for the following motor control specifications: • Three starters are to be wired so that each starter is operated from its own start/stop pushbutton station. • A master stop station is to be included that will trip out all starters when pushed.arrow_forwardbuild the circuit and and write the suitable code to do the following:we want to build a multi-mode system with three modes, the user Enter from 0 to 2 through Serial monitor to select the mode. mode 0: off, nothing to do, or turn off mode 2 or 3. mode 1: thermometer mode, three LEDs and a temp. sensor, the first led will light if temp < 30. second led will light if 30 <= temp <= 60third led will light if temp > 60 mode 2: buzzer with photoresistor, the buzzer will tone from 500 to 1000 HZ depends on the input of photoresistor (54 to 974) hint: (use map function on mode 3, to map 54~974 to 500~1000)connect:LED1 to 2LED2 to 3LED3 to 4Buzzer to 5temp. sensor to A0photoresistor to A1arrow_forward
- 5. The most common type of I/O interface module in PLC is the discrete type, such as A. Thermocouples, strain gages, or pressure sensors B. Selector switches, pushbuttons, and limit switches C. servomotors, stepping motors PID loops, and decoder inputs D. multiplexed displays, and keyboardsarrow_forwardbuild the circuit and and write the suitable code to do the following:we want to build a multi-mode system with three modes, the user Enter from 0 to 2 through Serial monitor to select the mode. mode 0: off, nothing to do, or turn off mode 2 or 3. mode 1: thermometer mode, three LEDs and a temp. sensor, the first led will light if temp < 30. second led will light if 30 <= temp <= 60third led will light if temp > 60 mode 2: buzzer with photoresistor, the buzzer will tone from 500 to 1000 HZ depends on the input of photoresistor (54 to 974) hint: (use map function on mode 3, to map 54~974 to 500~1000)please watch the attached video for more explanation.connect:LED1 to 2LED2 to 3LED3 to 4Buzzer to 5temp. sensor to A0photoresistor to A1arrow_forwardObtain the ATMEGA16 program to perform an appropriate sketch of the interfacing for the above requirements showing the program action and screenshot many positions for the input and output functioning your sketch on the microcontroller.( obtain the varied input voltages with the varied output positions with comments on steps). need answer screen shot stimulation quick as possible! need it before an hourarrow_forward
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