What is the function of a PLC’s remote access?
A. To access the PLC from a remote location
B. To access the PLC’s control program from a remote location
C. To access the PLC’s data from a remote location
D. All of the above
Answer:D
What is the function of a PLC’s remote access?
A. To access the PLC from a remote location B. To access the PLC’s control program from a remote location C. To access the PLC’s data from a remote location D. All of the above
Explanation: Remote access is the ability to access the PLC, the control program and the data from a remote location. This feature allows the user to monitor, control and troubleshoot the PLC from a remote location, which is useful for remote monitoring and control, remote maintenance, and remote troubleshooting. This feature can be achieved by either using a dedicated communication link or by using the internet. Remote access can be done through a web interface, mobile app or through a dedicated software.