Programmable Logic Controllers
5th Edition
ISBN: 9780073373843
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Expert Solution & Answer
Chapter 2, Problem 4P
Explanation of Solution
a.
Five-digit code for a pushbutton:
- It is given that the pushbutton is connected to terminal 5 of module group 2 located on rack 1.
- The addressing format for the given pushbutton is shown below...
Explanation of Solution
b.
Five-digit code for a lamp:
- It is given that the lamp is connected to terminal 3 of module group 0 located on rack 2.
- The addressing format for the given lamp is shown below...
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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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- 1. Design a 4-bit ALU that performs Arithmetic (add, subtraction), and Logicoperations (AND, OR). The following control signals are to be considered:• A/S: add/subtract (0:add, 1:subtract)• A/O: and/or (0:and, 1:or)• A/L: arithmetic/Logic (0:arithmetic, 1:logic)• R/W: read/write signal (0:read, 1:write) The details of each control signal (Unit) are as follows.Unit 1 (A/S) - Design a 4-bit adder/subtractor that accepts two 4-bits numbers, A andB, and either add them up (A + B) or subtract them (A – B) depending on a controlsignal A/S (when the control signal is 0 perform ADD, otherwise if the signal is 1 thenperform SUB). The result will be stored in C.Unit 2 (A/O) - Design a 4-bit AND/OR unit that accepts two 4-bits numbers, A and B,and either AND them or OR them depending on a control signal A/O (when the controlsignal is 0 perform AND, otherwise if the signal is 1 then perform OR – bitwise logicaloperation). The result will be stored in C.Unit 3 (A/L) - Design a 4-bit ALU using Unit…arrow_forwardSpecify the addressing modes for automatic increment and decrement.arrow_forwardPROCEDURE : You are to design a 4-bit arithmetic unit that consists of a 4-bit adder/subtractor circuit. The arithmetic unit takes as inputs two 4-bit numbers (A and B) and one control input (M) add/subtract selector that selects the type of operation the unit will perform. When the input control is ‘0’, the input numbers are added. When it is set to ‘1’, the two input numbers are subtracted (A - B). TASK :: Two 4-bit Adder/Subtractor Circuit: Design and construct a 4-bit adder/subtractor circuit. DRAW THE CORRESPONDING LOGIC DIAGRAM OF THE CIRCUITarrow_forward
- Select between automatic increment or automatic decrement as the addressing mode.arrow_forwardSignals in VHDL A VHDL design has five input ports labeled enable (MSB), read, write, selector, and compare (LSB) and three outputs labeled address_latch (MSB), data_enable, and strobe (LSB). a. Write a VHDL statement that concatenates all input lines into a signal called control. The signal is written with the most significant bit on the left. b. Write a series of VHDL statements that separates a signal called status into the output ports listed above. The ports are written with the most significant bit on the left. da thearrow_forward12. Show the steps involved in the followingMOV DX,9103H ;DX = 9103HMOV CL,5RCL DX,CL ;shift right DX five times, CF=1 Show the contents of the flag register.arrow_forward
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