What is the function of a PLC’s input module?
A. To read input signals from sensors
B. To send output signals to actuators
C. To store data from the industrial process
D. To execute the control program
Answer:A
What is the function of a PLC’s input module?
A. To read input signals from sensors B. To send output signals to actuators C. To store data from the industrial process D. To execute the control program
Explanation: The function of a PLC’s input module is to read input signals from sensors in the industrial process. The input module receives signals such as digital or analog signals, and sends the information to the CPU, which processes the signals according to the control program.