Time Specified Period Hold With Trigger; (Peak, Valley, Peak-To-Peak And Mean Value) - Unipulse F370 Operation Manual

7.HOLD FUNCTIONS

7-6-4. Time Specified Period Hold with Trigger

(Peak, Valley, Peak-to-Peak and Mean Value)

Hold is detected during the predetermined time (hold detection time) from the point in
time when the indicated value crosses the auto start level. The hold is released by turning
on the T/H signal as a reset signal.
The H/E output signal is on between the instant when the hold detection time ends and
the instant when the T/H signal is turned on.
t1： A delay time between the instant when the indicated value exceeds the auto start
t2： A delay time between the instant when the hold detection time is expired and the
t3：A minimum reset signal width required for releasing the hold
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(Example) Time Specified Period Peak Hold with Trigger
＋
Auto Start Level
t1
Detection
OFF
HOLD
Time
ON
OFF
T/H
ON
OFF
HOLD
Button
ON
OFF
HI-LO Limit
Judging Output
ON
OFF
H/E
ON
OFF
HOLD
PEAK OFF
level and the instant when the value to be held is detected
0.5ms (max.)
instant when the value to be held is determined
1.0ms (max.)
1.0ms (min.)
Indicated Value
t2
Hold Period
Decide
ON ON
Blink ON
Sensor Input Value
t3
t
OFF
OFF