IDEC MICROSmart FC6A Series User Manual page 289

Example: Input Filter 8 ms
To reject input pulses of 6 ms or less, select input filter value of
8 ms. Then input pulses of 8 ms plus one scan time are
accepted correctly at the END processing.
When there is a change in the input, the input filter starts measuring the time.
Once the measured time exceeds the preset value, the change in the input is acquired internally.
Input to I0
Input Filter
I0
Notes:
Signals that pass through the input filter cannot always be acquired as input. To acquire a signal as normal input, a maximum pulse width of

input filter value + 1 scan time is required.
When an external input (I0, I2, I3, I5, I6, I7) is set to a high-speed counter, catch input, interrupt input, frequency measurement, or the

interrupt input for an ARAMP instruction or a ZRN instruction, the input filter is disabled.
The filter for I/O module external inputs (starting from I30) are fixed at 3 ms. This filter value cannot be changed.

6 ms 8 ms
FC6A S MICROS
ERIES
8 ms (Preset Value)
0 ms
(Rejected)
8 ms
U ' M FC9Y-B1722
MART SER S ANUAL
5: F S
UNCTIONS AND ETTINGS
6 ms 8 ms
(Accepted)
(Indefinite Area)
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