All up-counters count only to their preset values,and additional counts are ignored.
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Q3: In normal use,the down-counter is used in
Q4: Programmed counters can serve the same function
Q5: Some PLC counters operate on the leading
Q6: A counter's input signal can come from
Q7: Up and down counters may be programmed
Q9: Every PLC model offers some form of
Q10: Counters can count past their preset values.
Q11: Encoder pulses can be counted to measure
Q12: A counter instruction is an input instruction.
Q13: The counter accumulated value is the current
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