6 HIGH-SPEED COUNTER MODULE REPLACEMENT
6 - 6
6.2.2 Function comparison
: With functions, -: Without functions
Item Description AD61 QD62-H01 Precautions for replacement
Preset function
Changes the counter present value to a
specified value.
Disable function Terminates counting.
Ring counter function
Repeatedly executes counting between
user's setting values.
On QD62-H01, the setting is
carried out using intelligent
function module switch setting.
Linear counter function
If the count exceeds the range, this function
detects an overflow.
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Coincidence output function
Outputs signals when user's setting and the
present values are matched.
No.1 and No.2 coincidence
output points can be set for each
channel.
Coincidence detection interrupt
function
Generates an interrupt signal to the
programmable controller CPU when
coincidence is detected.
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Latch counter function
Latches the present value at the time a
signal is input.
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Sampling counter function
Counts the pulse that was input during the
sampling time set.
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Periodic pulse counter function
The function allows storing the present
value in the periodic pulse count present
value and the previous value in the periodic
pulse count previous value for each period
time set.
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