PLC CPU functions
What is the primary function of a PLC CPU?
To process input signals and execute control logic
Which component of the PLC CPU is responsible for executing program instructions?
Processor
What is the role of RAM in a PLC CPU?
To store temporary variables and execution data
Which memory type in a PLC CPU is used to store a program permanently?
ROM
What does the watchdog timer in a PLC CPU do?
Ensures the CPU is operating correctly by resetting it if it fails
Which of the following is NOT a function of a PLC CPU?
Driving high-power loads directly
How does a PLC CPU receive input data?
Through input modules connected to sensors
Which cycle represents the working sequence of a PLC CPU?
Scan cycle
What determines the speed at which a PLC CPU executes a program?
Scan time
Which factor affects the performance of a PLC CPU?
Processing speed