PLSee

Question 1

Good reason PLC over relay

Answer 1

All of the above

Question 2

What binary number would be show

Answer 2

0

Question 3

What is switching medium between field and logic?

Answer 3

LASCR optical coupler

Question 4

Two main sections of PLC memory

Answer 4

Executive

User

Question 5

Two roles fulfilled by input module

Answer 5

Terminates input devices

Updates PLC with device status

Question 6

Keep communication and power cables separate because

Answer 6

Prevent cross talk (noise)

Question 7

Two conditions code allows in same raceway

Answer 7

Termination same box

Cable insulation same rating

Question 8

Roles fulfilled by output module

Answer 8

Terminates output devices

Receives PLC commands

Question 9

Device connected to MCR

Answer 9

Push button

Question 10

Why we never repeat an output

Answer 10

Creates confusion in the program

Question 11

Would it matter if entry/exit limits were wired normally open or closed

Answer 11

No, if they were opposite they would work the opposite counter

Question 12

Discrete input

Answer 12

Prox switch

Question 13

Discrete output

Answer 13

Mag starter

Question 14

Pulse generator

Answer 14

Shaft encoder

Question 15

Analogue input

Answer 15

0-10v

Question 16

Pulse driven

Answer 16

Stepper motor

Question 17

Analogue output

Answer 17

Servo valve