RO6501
Programmable Logic Controllers, Third year, Department
of Robotics and Automation Engineering,
Model Exam Questions
PART –A (10 ×2 =
20 Marks)
1.
What
is automation?
2.
Give
the benefits of Industrial automation systems?
3.
Give
the advantages ofPLC?
4.
What
is scan cycle?
5.
What
is arithmetic Function? Give the types of arithmetic instructions?
6.
Define
Data manipulation instruction?
7.
Define
HMI systems?
8.
Give
the advantages of HMI-PLC interface?
9.
What
is PLC networking?
10.
Define
Field bus?
PART –B (5×16 = 80 Marks)
11. a) Explain in detail about
control elements of Industrial Automation (16)
(or)
b)
Write short notes on PLC? Give the advantages of PLC? (16)
12. a) Give the parts of PLC and
explain the architecture of PLC? (16)
(or)
b)
Explain the types of I/O modules? (16)
13. a) i) Explain the types of timer
instruction. (8)
ii)
Explain the fluid pumping process and write a ladder diagram for that using
both on-delay and off-delay timers. (8)
(or)
b) i)
Explain the types of counter instruction. (8)
ii) Explain
the in-process monitoring system and write a ladder diagram for that using both
up/down counters. (8)
14. a) Write about HMI-PLC
Interfacing (16)
(or)
b)
Explain the following. i) Operating Panel
ii) Text Display (16)
15. a) i)Explain- Programmable logic
controller (8)
ii)
Give detail about process automation and give an example. (8)
(or)
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