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Activities Manual For Programmable Logic Controllers
5th Edition
ISBN: 9781259682476
Author: Frank Petruzella
Publisher: Mcgraw-hill Higher Education (us)
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Question
Chapter 9, Problem 11RQ
Program Plan Intro
Programmable Logic Controller (PLC):
- PLC is a specialized computer used in industrial segments to control machines and process.
- PLC is program 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 runs by controlling
programming language.
Explanation of Solution
b.
Comparison on standard and safety PLCs with regard to input circuitry:
Standard PLC does not have an internal c...
Explanation of Solution
c.
Comparison on standard and safety PLCs with regard to output circuitry:
A Standard PLC output does not have an intern...
Explanation of Solution
d.
Comparison on standard and safety PLCs with regard to power supplies:
Standard PLCs use normal power suppl...
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Students have asked these similar questions
What is the difference between modes of operation (run,prog,rem)in plc
PLCs use two basic types of instructions:
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coilsDifferentiate the two types of instruction.
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 keyboards
Chapter 9 Solutions
Activities Manual For Programmable Logic Controllers
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Similar questions
- 6. Memory Structure in PLCarrow_forwardDraw a plc ladder diagram for blinking lights with start and stop button. Please help me with this. Thank you in advanced.arrow_forwardIs logical outputs that can often be powered directly from PLC output boards Motor Starters O Servo Motors O Lights O Switches Oarrow_forward
- 3. In modular PLC I/O is divided into compartments which separated modules can be plugged to A. Decrease the error ratio B. Decrease the cost C. Increase the efficiency D. Increase the flexibility of operationarrow_forwardExplain the general structure of programmable controllers (PLC) by drawing figures. Write the names of the control elements to be connected to the input and output parts of the PLC.arrow_forwardIn PLC operation retrieves the data into an output module Input scan Output scan Program scan None of the abovearrow_forward
- The advantages of PLCs include: a. Reliability, Improved maintenance and troubleshooting and high cost b. Reliability, Improved maintenance and troubleshooting and offline programming c. Reliability, Limited application base, low costarrow_forwardExplain the general structure of programmable controllers (PLC) by drawing figures. Write the names of the control elements to be connected to the input and output parts of the PLC. (Please type with keyboard so that I can understand.Thanks)arrow_forwardList two compare instructions included with the Allen-Bradley family of programmable controllers. short answerarrow_forward
- Design and derive the control gates for the write input of the memory in the basic computer.arrow_forward5-Integrated circuits made from CMOS are compatible with TTL IC's. This statement is A) True B) False C) Some versions are compatible D) TTL and CMOS should never be connected together due to different voltage levels E) TTL and CMOS should never be connected together due to difference in speedarrow_forwardQ3: Design an asynchronous counter that divides the input clock signal by 5 then draw counter's logic circuit and its corresponding timing diagram for 10 clock pulses. Duararrow_forward
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