Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Question
Chapter 8, Problem 7RQ
Program Plan Intro
a.
Programmable Logic Controller (PLC):
- Programmable Logic Controller (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 control
programming language.
PLC counter:
- A counter is a PLC instruction which counts up or down when the input transfers from an off state (false) to an on state (true).
- The three different types of counters instructions are as follows:
- Up counter
- Down counter
- Combined counter
Program Plan Intro
b.
PLC counter:
- A counter is a PLC instruction which counts up or down when the input transfers from an off state (false) to an on state (true).
- The three different types of counters instructions are as follows:
- Up counter
- Down counter
- Combined counter
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Write a Verilog code with testbench for 16-bit up/down counter with
synchronous reset and synchronous up/down.
If up/down is set the counter is up counter and if it is not set, the
counter is a down counter.
clock
reset
Up/down
submit the module code, testbench code, and the simulation results.
Write a Verilog code with testbench for 16-bit up/down counter with synchronous reset and synchronous
up/down.
If up/down is set the counter is up counter and if it is not set, the counter is a down counter.
clock
reset
IIn/down
submit the module code, testbench code, and the simulation results.
Design the hardwired control unit using sequence counter method for 8 instructions. Consider 2 control signals are REQuired for futch operation.
Chapter 8 Solutions
Programmable Logic Controllers
Ch. 8 - Name the three forms of PLC counter instructions,...Ch. 8 - State four pieces of information usually...Ch. 8 - In a PLC counter instruction, what rule applies to...Ch. 8 - Prob. 4RQCh. 8 - When does the PLC counter instruction increment or...Ch. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Prob. 8RQCh. 8 - Prob. 9RQCh. 8 - Prob. 10RQ
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- Conclusion for the cpu registerarrow_forwardWrite a Verilog code with testbench for 16-bit up/down counter with synchronous reset and synchronous up/down. If up/down is set the counter is up counter and if it is not set, the counter is a down counter submit the module code, testbench code, and the simulation results.arrow_forwardWhat kind of operands may be used with the FADD instruction?arrow_forward
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