INDUSTRIAL AUTOMATION

Why PLC is developed.

• To replace Computer systems.

• To replace Relay system.

_________ is the input device of PLC

• Keyboard

• Sensors

• Hard disc

• Monitor

_________ programming Language is used for PLC

• Java

• C Language

• Ladder Diagram

• All of the above

If Two No Contacts Are Connected In Series That Statisfies __________ Gate Logic.

• Or  

• Nand  

• Nor   

• And

A_________ Instructions   Will Reset The Counter To Zero.

• Enable.

• Marker Relay   

• Reset

• Set

________is a PLC instruction measuring the amount of time elapsed following an event.

• Timer

• Latching

What is the role of an output module in a PLC system?

• Convert analog signals to digital
  

• Process the control logic
  

• Trigger actions like turning on motors or lights
  

• Store the program in non-volatile memory

Which of the following is a common application of PLCs?

• Website development

• Factory automation
  

• Word processing
  

• Data encryption

In a PLC system, what is an actuator?

• A sensor that provides input signals
  

• A device that performs actions based on PLC output
  

• A module that stores the PLC program
  

• A communication device between PLCs

Which of the following is NOT an advantage of using PLCs in automation?

• High reliability
  

• Flexibility in programming
  

• High power consumption
  

• Ability to handle complex processes