CONNECT PROGRAMMABLE LOGIC CONTROLLERS
2017th Edition
ISBN: 9781264228836
Author: Petruzella
Publisher: MCG
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Question
Chapter 11, Problem 4P
Program Plan Intro
Math instruction:
- Math instructions refer to all output instructions that uses the data of two words or registers and perform the desired function.
- Math instructions are programmed based on the type of processor used.
- The data manipulation instructions are almost similar to math instructions.
- Math instructions are normally used to perform arithmetic functions on the values stored in memory words or registers.
Math functions:
The basic math functions performed by PLCs are as follows:
- Addition
- This function is used to add one piece of data to another.
- It is also called as ADD.
- Subtraction
- This function is used to subtract one piece of data from another.
- It is also called as SUB.
- Multiplication
- This function is used to multiply one piece of data by another.
- It is also called as MUL.
- Division
- This function is used to divide one piece of data from another.
- It is also called as DIV.
Terms used:
The following terms are used in the instruction.
- Source A
- Source A refers to the address of the first piece of data that is used in the instruction.
- Source B:
- Source B refers to the address of the second piece of data that is used in the instruction.
- Destination
- Destination refers to the address where the results of the instruction are stored.
Explanation of Solution
b.
Value stored in “N7:0”:
- Consider the given word “N7:0”.
- In the given program, the word “N7:0” addresses the destination of the “MUL” instruction.
- Here, “Source A” and “Source B” of “MUL...
Explanation of Solution
c.
Value stored in “N7:1”:
- Consider the given word “N7:1”.
- In the given program, the word “N7:1” addresses the destination of the “DIV” instruction.
- Here, “Source A” and “Source B” of “DIV...
Explanation of Solution
d.
Value stored in “O:013”:
- Consider the given word “O:013”.
- In the given program, the word “O:013” addresses the destination of the “ADD” instruction.
- Here, “Source A” and “Source B” of “AD...
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Design the necessary circuit using Logisim to implement the situation described above. Use Kmaps for simplification. Be VERY careful to get the correct functions for your output before simplifying and designing the circuit with Logisim. You should minimize the circuit.
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Chapter 11 Solutions
CONNECT PROGRAMMABLE LOGIC CONTROLLERS
Ch. 11 - Explain the function of math instructions as...Ch. 11 - Prob. 2RQCh. 11 - What standard format is used for PLC math...Ch. 11 - Prob. 4RQCh. 11 - Prob. 5RQCh. 11 - Prob. 6RQCh. 11 - Prob. 7RQCh. 11 - Prob. 8RQCh. 11 - Prob. 9RQCh. 11 - Prob. 10RQ
Ch. 11 - With reference to the instruction of Figure 11-34,...Ch. 11 - With reference to the instruction of Figure 11-35,...Ch. 11 - Prob. 1PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - With reference to math instruction program shown...Ch. 11 - With reference to the math instruction program...Ch. 11 - Prob. 11PCh. 11 - Prob. 12P
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