Relative Maximum Value / Relative Minimum Value Hold - Unipulse f395 Operation Manual

10-3-8. Relative Maximum Value / Relative Minimum Value Hold

Detection is performed while the H/M signal is ON from the instant when the indicated
value crosses over the Waveform Start Level. The hold can be cancelled by turning on
the T/H signal as a reset signal.
Example: Relative Maximum Value Hold
Hold Start Level
H/M
T/H
COMPLETE
t1: Delay time between the instant when the indicated value exceeds the hold start level
and the instant when the hold is detected.
Ts msec (max.)
t2: Delay time between the instant when the H/M signal is input and the instant when it is
detected that the indicated value exceeds the hold start level.
Ts+0.8msec (max.)
t3: Delay time between the instant when the T/H signal is input and the instant when the
indicated value returns to tracking.
Ts+0.8msec (max.)
＋
t1
Detection
period
t2
OFF
ON
OFF
ON
OFF
High/Low
Limit
Judgment
Output
ON
OFF
ON
10.Multi-Hold Mode
Sensor input value
Indicated value
Hold period
t3
Determination
t
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