Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1, Problem 15RQ
Compare the PLC and PC with regard to:
- a. Physical hardware differences
- b. Operating environment
- c. Method of
programming - d. Execution of program
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Students have asked these similar questions
The following components do not belong to the controller ( ).A. Instruction Register
B, Operation Controller
C, Program Counter
D, Status Condition Register
4. Define an XIO instruction. Write down the symbol for it. Draw a PLC
programming diagram using this instruction and others to turn on a light. Explain
its operation.
27.
Interrupts initiated by an instruction is called as
a.
Internal
b.
External
c.
Hardware
d.
Software
Chapter 1 Solutions
Programmable Logic Controllers
Ch. 1 - Prob. 1RQCh. 1 - Identify four tasks in addition to relay switching...Ch. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - Prob. 5RQCh. 1 - Prob. 6RQCh. 1 - Explain the main function of each of the following...Ch. 1 - What are the two most common types of PLC...Ch. 1 - Prob. 9RQCh. 1 - Prob. 10RQ
Ch. 1 - Answer the following with reference to the process...Ch. 1 - Prob. 12RQCh. 1 - Answer the following with reference to the process...Ch. 1 - Prob. 14RQCh. 1 - Compare the PLC and PC with regard to: a. Physical...Ch. 1 - Prob. 16RQCh. 1 - Prob. 17RQCh. 1 - Prob. 18RQCh. 1 - Prob. 19RQCh. 1 - Prob. 20RQCh. 1 - List five factors affecting the memory size needed...Ch. 1 - Prob. 22RQCh. 1 - Given two single-pole switches, write a program...Ch. 1 - Given two single-pole switches, write a program...Ch. 1 - Prob. 3PCh. 1 - Prob. 4PCh. 1 - Prob. 5P
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- Each CPU produces a series of electronic pulses at a predetermined rate called the ______, which affects machine cycle time.arrow_forwardTwo separate systems with different clock speed and cycles per instruction (CPI) are to be evaluated for a given application. Explain how you would make your choice of selecting one out of twoarrow_forwardDifferentiate between programmable I/O and interrupt-driven I/O and explain.arrow_forward
- Describe the functions of I/O Instructions and its Service Routines. Note: Maximum 15 linesarrow_forwardCompare between the different Input-Output control techniques: programmed I/O, interrupt, DMA, and Channel IO.arrow_forwardA machine instruction and a microoperation appear to be interchangeable terms.arrow_forward
- B. Very ge 2. PLCs functions such as supervisory control, data gathering, monitoring devices needed a PLC with A. Large memory size B. Very fast CPU C. Communiction capability D.Large number of input and output portsarrow_forwardWhat is the key difference between programmable input/output (I/O) and interrupt-driven I/O?arrow_forward1.A type of peripheral device that is used in sensors and actuators. (Complete Name/Statement) 2. It is a software interrupt which is unplanned while executing a program. (Complete Name/Statement) 3. One of the 3 functions of the microprocessor unit where 4% of its time is spent on simple arithmetic operations. a. Data Transfer b. Decision-Making c. Arithmetic and Logicarrow_forward
- Please show work and explanations.arrow_forwardThe CPU fetches the instruction from memory according to the value of Select one: a.the status word b.the status register c.the program counter d.the instruction registerarrow_forwardDescribe the function and connection of the internal registers of the PLC. What parameters are relevant in the development of a PLC program? What requirements would you place on an integrated program development environment.arrow_forward
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