What is the function of a PLC’s communication interface?
A. To communicate with other PLC
B. To communicate with an HMI or SCADA system
C. To communicate with other devices or systems
D. All of the above
Answer:D
What is the function of a PLC’s communication interface?
A. To communicate with other PLC B. To communicate with an HMI or SCADA system C. To communicate with other devices or systems D. All of the above
Explanation: A PLC’s communication interface is responsible for allowing the PLC to communicate with other PLCs, HMIs, SCADA systems, and other devices or systems. It allows for data exchange, remote control, and monitoring of the PLC.