What are the inputs and outputs in a PLC system?
A. Sensors and actuators
B. Motors and gears
C. Valves and pumps
D. Programs and data
Answer:A
What are the inputs and outputs in a PLC system?
A. Sensors and actuators B. Motors and gears C. Valves and pumps D. Programs and data
Explanation: In a PLC system, inputs are signals from sensors that are used to monitor the industrial process, and outputs are signals sent to actuators that control the industrial process. Examples of inputs include temperature sensors, limit switches, and photoelectric sensors, while examples of outputs include control valves, motors, and lights.