SHIMPO DT-329 - Manual (Page 18)

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4.4.2.1 “Delay time” setting
This can be set to 0~999 msec with a resolution of 1 ms.
The internal calculation time of the unit is 60us, which results in the actual delay time being (Setting delay
time) + 60us.
The DT-329 will begin flashing after the 1
st
trigger pulse. See timing chart below.
[Example]
Trigger: Positive edge (The instant where the delay time)
Delay time: 10ms (Independent of external input frequency)
If external signal period < delay time, then the delay time value = 0.
Please note the built in 60us internal delay on top of the external signal input.
External Pulse
Input
LED Flash
100ms
10ms
Delay
80ms
10ms
Delay
Measure
frequency
Measure
frequency