Multiple Choice
If a PLC has a total scan time of 10 ms and has to monitor a signal that _____ then the controller may not detect this change.
A) changes state once in 20 ms
B) is fast
C) is constantly changing
D) changes state twice in 5 ms
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q21: The last element to be entered on
Q22: A ladder rung is said to have
Q23: The Examine If Open instruction:<br>A)is also known
Q24: Which of the following standard PLC programming
Q25: For the matrix limitation diagram shown, the
Q27: The output data is sent to the:<br>A)output
Q28: A normally open limit switch is wired
Q29: Parallel connections of ladder logic are typically
Q30: PLCs will never scan in a left-to-right
Q31: The address for the point on the