Which function of a PLC would be used to view the transition history (on or off states) of a bit(s)?
A)Change radix
B)Forcing
C)Cross-reference
D)Contact histogram

Question

Quizplus · Accepted Answer

The contact histogram function allows the user to view the transition history (on or off states) of a bit or multiple bits. It shows the number of times a certain bit has turned on or off, and the duration of each state, which can be useful for troubleshooting and analyzing system behavior.

Which Function of a PLC Would Be Used to View