The accumulated count of a CTD counter:
A) increments with each true-to-false transition.
B) decrements with each true-to-false transition.
C) decrements with each false-to-true transition.
D) increments with each false-to-true transition.
Correct Answer:
Verified
Q22: The PLC counter instruction is similar to
Q23: Programmed counters can:
A)count up.
B)count down.
C)be combined to
Q24: A PLC down-counter (CTD)counts:
A)scan transitions.
B)true-to-false transitions.
C)false-to-true transitions.
D)both
Q25: When the up-counter reset is set to
Q26: A counter is to be programmed to
Q28: A one-shot,or transitional,contact:
A)operates the same as an
Q29: A PLC up-counter (CTU)counter counts:
A)scan transitions.
B)true-to-false transitions.
C)false-to-true
Q30: When the accumulated count exceeds the preset
Q31: The output of a PLC counter is
Q32: Which of the following is not usually
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