plc Quiz Practice Quiz | plc

Q: What does the acronym PLC stand for?

Programmable Logic Controller — A PLC is an industrial digital computer adapted for the control of manufacturing processes.

Q: Which programming language is most commonly used for PLCs?

Ladder Logic — Ladder Logic is the most widely used graphical programming language for PLCs, resembling electrical relay diagrams.

Q: In a PLC, what is the function of the CPU?

To execute the user program and manage system operations — The CPU (Central Processing Unit) acts as the brain of the PLC, processing inputs and executing the stored logic program.

Q: Which component of a PLC system connects to field devices like sensors and switches?

Input Module — Input modules receive signals from sensors and switches, converting them into signals the CPU can understand.

Q: Which of these is a typical output device controlled by a PLC?

Motor starter (contactor) — Motor starters, lights, and solenoids are output devices that respond to commands from the PLC.

Question 1 of 5

What does the acronym PLC stand for?

A PLC is an industrial digital computer adapted for the control of manufacturing processes.

Question 2 of 5

Which programming language is most commonly used for PLCs?

Ladder Logic is the most widely used graphical programming language for PLCs, resembling electrical relay diagrams.

Question 3 of 5

In a PLC, what is the function of the CPU?

The CPU (Central Processing Unit) acts as the brain of the PLC, processing inputs and executing the stored logic program.

Question 4 of 5

Which component of a PLC system connects to field devices like sensors and switches?

Input modules receive signals from sensors and switches, converting them into signals the CPU can understand.

Question 5 of 5

Which of these is a typical output device controlled by a PLC?

Motor starters, lights, and solenoids are output devices that respond to commands from the PLC.

plc Quiz