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PLC UNIT 1

Authored by Aiswarya R

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Professional Development

Used 3+ times

PLC UNIT 1
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

PLC has replaced__________

Transistor

Computer

Relay Logic

Solenoid

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

PLC stands for_______

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The PLC with maximun of 32 I/O is called as ___________PLC.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the I/O Count of PLC is between 32 to 128 then it is called as ___________.

Micro PLCs

Medium PLCs

Small PLCs

Large PLCs

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In PLC the user program is stored in ________ memory.

ROM

PROM

EPROM

EEPROM

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Input modules provide an interface between ______________and_____________.

Input connections and the CPU

Field equipment and the CPU

Output modules and field devices

The CPU and output modules

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electrical isolation is provided so that there is no physical electrical connection between the CPU and output field devices. This isolation is usually accomplished by____________

Power supply 

Rectifier

Opto coupler

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