When the up-counter reset is set to true,the following happens:
A) the preset value is set to 0.
B) the preset value increments.
C) the accumulated value is set to 0.
D) the accumulated value is set to maximum.
Correct Answer:
Verified
Q20: The output of the counter is energized
Q21: Normally counters are retentive.This means that if
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
Q26: A counter is to be programmed to
Q27: The accumulated count of a CTD counter:
A)increments
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
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