This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII(NEW) EXAMINATION - SUMMER 2019
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Subject Code:2182408 Date:09/05/2019Subject Name:Programmable Logic Controller For Power Electronics
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) What is necessity of input/output modules ? Classify i/o modules. 03
(b) List out advantages of PLC over relay based logic. 04
(c) Explain discrete input module with diagram. 07
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Q.2 (a) Implement ladder diagram for F(a,b,c) = (0,2,4,6) 03
(b) Implement ladder diagram for 4:1 Multiplexer. 04
(c) Explain PLC memory in detail. 07
OR
(c) List out the rules to construct PLC ladder diagram. 07
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Q.3 (a) Express the following function into ladder diagram. 03
F=a’b’c+ bc+b’c’+ac
(b) Explain Latch and Unlatch instruction with suitable example. 04
(c) List various timer instructions of PLC and explain any one with timing diagram. 07
OR
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Q.3 (a) List various analog input and output devices which can be interface with PLC. 03
(b) List the trigonometric function possible with PLC. Explain one with suitable example 04
(c) Explain CTU (Up Counter) function with suitable example. 07
Q.4 (a) Explain PLC move instruction. 03
(b) Explain JUMP function in PLC with application 04
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(c) Explain any two data comparison instruction with block format and example. 07OR
Q.4 (a) Explain PLC FIFO function. 03
(b) What is the importance of MCR function in PLC. 04
(c) Explain any two data arithmetic instruction with block format and example. 07
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Q.5 (a) List out different PLC programming languages. 03
(b) Explain any application of Shift Register function in PLC. 04
(c) Explain PLC sequencer function with its example 07
OR
Q.5 (a) Explain PLC AND matrix function. 03
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(b) Explain holding register of PLC. 04(c) Explain any application of PLC in power electronics. 07
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This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University