Unit-3.1_Types of PLC Programming

The vertical lines of PLC ladder diagram is called

• Rail.
• .

The horizontal lines of PLC ladder diagram is called

• Rung.
• .

A normally-open type contact will __________ when its bit is 0 and ________ when its bit is 1

• Open, Close.
• .

Which of the following is correct about contacts or coils seen in a Ladder Diagram PLC

• Both Coils & Contacts Are Bilts in PLC Memory.
• .

When relay coil is energized it is said to be

• Picked Up.
• .

The instruction list plc programming language uses ________ code

• Mnemonic Code.
• .

The structure text PLC programming language is denoted by _____

• Both ST & STX.
• .

Ladder logic programming consists primarily of

• Virtual Relay Contacts & Coils.
• .

Ladder logic programming consists primarily of

• The entire program takes to execute.
• .

The Scan Time of the PLC is approximately____________

• 1/1000th of a Second.
• .