M.Sc. Electronics (Semester-IV) (CBCS) Examination, 2017
MECHATRONICS AND INDUSTRIAL AUTOMATION
Day Date: Wednesday, 26-04-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Instructions Answer five questions.
Q. No. 1 and Q.No.2 are Compulsory.
Attempt any three questions from Q.NO.3
to Q.No.7
Figures to the right indicate full marks.
Q.1 A Choose the alternatives 8
In normally ……. Contact, when this contact open, the
function carries out some kind of action.
Open Close
Latch None of these
The number of input resisters in PLCs is normally one tenth
of …….. Rrgister.
Holding Working
Output Input
In PLC ……. Is used as a bit file delimiter
8
None of these
A …… timer is called a nonretentive timer.
Single input Double input
Both a and b None of these
In PLC arithmetic……… operation, if result is negative the
result resister, it turns on coil.
Multiplication Addition E
Subtraction None of these
In PLC the up counter count start at 0 and increments by …..
Each time at pulse on.
1 FF
0 None of these
…….. determines which rack the module sits in.
Page 2 of 2
Rack number Terminal number Q
Both a and b None of these
……………. Is advantage of PLC
Flexibility Low cost E
Security All of these
B State true or false 6
The PLC sequential function is often called the cube function.
In PLC the racks, on which PLC part are mounted and the
enclosures on which the CPU, PM and I/O modules are
mounted.
LVDT is input device of PLC
Third Generation SCADA system known as networked
SCADA system.
Modbus is the industrial communication protocol.
OG stands for Output Group register.
Q2 A Answer any two of the following 10
Write note standard symbols in PLC.
Explain in detail Graphic display of DCS with suitable
diagram.
What do you mean by industrial automation?
B Write note on DCS Communication. 4
Q3 A Write note on IO modules of PLC and its characteristics. 8
B Write note on advantages and disadvantages of mechatronics
systems.
6
Q4 A Explain Registers of Programmable Logic Controller. 8
B Write note on Timer Function of PLC. 6
Q5 A Explain Master Control relay and Sequencer functions. 8
B Discuss basic architecture of DCS system. 6
Q6 A Write on types of SCADA system. 8
B Explain Modbus in detail. 6
Q7 A Explain in brief Modeling of system and measurement system. 8
B Draw PLC Ladder diagram programming for ON-OFF inputs and
Outputs.