programmable logic control

Are used to ensure two incompatible events do not occur at the same time.

• Emergency Stop button

• Start Pushbutton

• Stop Pushbutton

• Interlock

Is an electrically operated switch. Current flowing through the coil creates a magnetic field, which attracts a lever and changes the switch contacts.

• Normally open pushbutton

• Normally closed pushbutton

• Relay

• Emergency switch

It is the mathematics we use to analyse digital gates and circuits. Normally expressed as a logical statement that is either TRUE or FALSE (1 or 0) for logic gates.

• Boolean Expression

• Truth Table

• Karnaugh Map

• Logic Gates

What is the meaning of the acronym "PLC"?

• PROGRAMMABLE LOGIC CONTROLLER

• PUBLIC LIMITED COMPANY

• PRACTICAL LIMITLESS COMPUTER

• PLACE LADDER CIRCUIT

Identify the symbol shown by the image?

• Normally Closed Contact

• Normally Open Contact

• Relay Coil

• Normally open pushbutton

Identify the symbol shown by the image?

• Normally Closed Contact

• Normally Open Contact

• Relay Coil

• Normally open pushbutton

what type of diagram is shown by the image?

• Ladder Diagram

• Functional Block Diagram

• Logic Gates

• Programmable Logic Controller

what type of diagram is shown by the image?

• Ladder Diagram

• Functional Block Diagram

• Logic Gates

• Programmable Logic Controller

How is the circuit connected for Boolean Expression + (addition)

• Series

• Parallel

• Combination

• Open or not connected

How is the circuit connected for Boolean Expression * (multiplication)?

• Series

• Parallel

• Combination

• Open or not connected