Download GTU BE/B.Tech 2019 Summer 8th Sem New 2182408 Programmable Logic Controller For Power Electronics Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 8th Sem New 2182408 Programmable Logic Controller For Power Electronics Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VIII(NEW) EXAMINATION ? SUMMER 2019
Subject Code:2182408 Date:09/05/2019

Subject Name:Programmable Logic Controller For Power Electronics

Time:10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

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

Q.2 (a) Implement ladder diagram for F(a,b,c) = ? (0,2,4,6) 03
(b) Impalement 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
Q.3 (a) Express the following function into ladder diagram.
F=a?b?c+ bc+b?c?+ac
03
(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
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
(c) Explain any two data comparison instruction with block format and
example.
07
OR
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
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
(b) Explain holding register of PLC. 04
(c) Explain any application of PLC in power electronics. 07


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