20 Ladder Logic Programming Quiz

What is writing a program in Ladder Logic equivalent to?

• Solving a math problem

• Drawing a switching circuit

• Painting a picture

• Composing music

How are normally open switches shown in a ladder diagram?

• As closed

• As open

• As faulty

• As reversed

What does the notation used in ladder logic depend on?

• The type of PLC

• The PLC manufacturer

• The power supply

• The software version

What is the output of an OR gate if input A is 0 and input B is 1?

• 0

• 1

• 2

• Undefined

What is the purpose of event sequencing in industrial settings?

• To randomize events

• To coordinate events in a specific order

• To increase temperature

• To reduce noise

What does an Up Counter (CTU) do?

• Increments the count value each time the input condition is met.

• Decrements the count value each time the input condition is met.

• Increments or decrements the count value based on different input conditions.

• Resets the count value to zero.