Function Comparison - Mitsubishi Electric MELSEC-A/QnA Series Handbook

6
HIGH-SPEED COUNTER MODULE REPLACEMENT

6.2.2 Function comparison

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