PLC system data communications is accomplished using:
A)network links.
B)point-to-point serial communications links.
C)transformer links.
D)both network links and point-to-point serial communications links.

Question

Quizplus · Accepted Answer

PLC system data communications can be accomplished using both network links and point-to-point serial communications links. Network links enable communication between multiple PLCs and other devices, while point-to-point serial communications links are used for communication between two specific devices. Both types of communication are commonly used in PLC systems.

PLC System Data Communications Is Accomplished Using