Hold Setting; Hold Operation - Unipulse F377A Operation Manual

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5 SETTING OF FUNCTIONS
■Hold setting --- Average value ---
Average sample number
In average hold, the average in each sampling can be detected for up to 5 seconds. Then, if the
average sample number is set at 2 or more, the representative value of the sampling values by the
set number (average by the number) is adopted as the sampling data used for average calculation.
The maximum average value detection time with the setting "1" is 5 sec., but the average value
detection time can be extended by this setting.
where the number of updates of the average value will decrease.
Setting range: 1 - 999 times
How to set
SET.
Chapter
5

■Hold operation

Sample hold
When the T/H signal is inputted, a desired point is held, and the H/E output is turned on.
Hold of the value continues as long as the T/H signal is on.
50
Maximum average value detection time=Average sample number×5  [sec.]
Number of updates of the average value=2000 / Average sample number  [times/sec.]
Work Setting
About the maximum average value detection time
Although the detection section is specified by the SECTION signal, etc., detection
cannot be carried out exceeding the maximum average value detection time set
according to the average sample number. If the maximum average value detection
time is exceeded, detection ends automatically, when the average value is held.
Sensor Input Value
t1
OFF
T/H
ON
OFF
HOLD
Button
ON
OFF
HI-LO Limit
Judging Output
ON
OFF
H/E
ON
HOLD
Blink
Status Display
----
Status Display

Hold Setting

Indicated Value
t2
Hold Section
t3
Decide
ON
Blink
OFF
Page 2
t1: A delay time between the instant
when the T/H signal is inputted and
the instant when the indicated value
is held
1.0ms (max.)
t2: A delay time between the instant
t
when the T/H signal is released and
the instant
when the indicated value returns to
tracking
1.0ms (max.)
t3: A minimum reset signal width
required for releasing the hold
1.0ms (min.)

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