Peak Hold - Unipulse F370 Operation Manual

7.HOLD FUNCTIONS

7-5-2. Peak Hold

The maximum value (peak) in the positive direction of the specified period is held.
The period is specified by the setting of "all period", "external signal", "time", or "time
with trigger".
t1： A delay time between the instant when the T/H signal is inputted and the instant
t2： A delay time between the instant when the T/H signal is released and the instant
t3：A minimum reset signal width required for releasing the hold
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(Example) All Period Peak Hold
＋
Sensor Input Value
t1
Hold Period
OFF
T/H
ON
OFF
HOLD
Button
ON
OFF
Undetermind
HI-LO Limit
Period （ Note）
Judging Output
ON
OFF
H/E
ON
HOLD
OFF
Status Display
PEAK
OFF
Status Display
when the indicated value is held
1.0ms (max.)
when the indicated value returns to tracking
1.0ms (max.)
1.0ms (min.)
t2 t1
Detection
Hold Period
t3
Undetermind
Period （ Note）
ON OFF
Blink OFF
Note: During the undetermined period, the judging output varies with
fluctuations in the input waveform. However, the H/E output
remains on during the undetermined period. Read the judging
result when the indicated value becomes stable (immediately
before the T/H signal rises).
Indicated Value
t2
Detection
t3
ON OFF
Blink OFF
t