Field Devices and PLC Program Instructions Quiz

To differentiate between input devices and input instructions, what term is used to refer to the physical devices?

• Field

• Logic

• Program

• Output

What are the program instructions mentioned for examining contacts in the PLC program?

• "Examine if open" and "examine if closed"

• "Check if on" and "check if off"

• "Test if active" and "test if inactive"

• "Read if true" and "read if false"

When using a normally closed relay, what does a normally closed contact provide?

• Electrical path

• Mechanical force

• Visual signal

• Sound alert

In ladder logic, inputs are placed on the __ side of the ladder.

• left

• right

• top

• bottom

The two methods to program multiple inputs are __ and __.

• series and parallel

• analog and digital

• input and output

• push and pull

A light is connected to the __ module in the PLC.

• output

• input

• memory

• logic

The XIC instruction is activated when the memory location is __.

• one

• zero

• two

• off

In an "AND" gate, the output is only turned on when __ inputs are true.

• all

• none

• some

• one

If you need multiple inputs to be on to activate an output, you should use the __ method.

• AND

• OR

• NOT

• XOR

"OR" inputs are added in __.

• parallel

• series

• sequence

• reverse