Comparator Operation - Nagano Keiki GC31 Instruction Manual

Digital pressure gauge
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Comparator setting point A (Output 1/2)
Use
key to display [Comparator setting point A]. After
MODE
displayed for 1 second, current setting value is displayed. Use
setting point (A).
● Comparator setting point b (Output 1/2)
Use
key to display [Comparator setting point b]. After
MODE
displayed for 1 second, current setting value is displayed. Use
(b) in "Hysteresis", comparator setting point (b) in "Window comparator".
Note) In the setting of dead band (b) in "Hysteresis", if the set value is too small, there will
be a fear of chattering occurrence. Be careful when setting dead band (b). (For dead
band (b), the value more than 1%F.S. of pressure range is recommended).
● Comparator ON delay time (Output 1/2)
Use
key to display [Comparator ON delay time]. After
MODE
displayed for 1 second, current setting value is displayed. Use
where comparator operation is ON.
● Comparator OFF delay time (Output 1/2)
Use
MODE
key to display [Comparator OFF delay time]. After
displayed for 1 second, current setting value is displayed. Use
where comparator operation is OFF.
Note) In each setting mode, comparator output setting values are always checked and
recalculated when a setting related to comparator operation is changed so that there will
be no inconsistency in comparator operation. However, please note that when
comparator output setting value is recalculated, if the calculation result is beyond setting
range, the comparator output setting value will be changed automatically so that it will
be within the setting range. Also, please not that when comparator output setting value
is recalculated, calculational error at ±1digit may be observed at comparator output
setting value.
● Loop check mode
Use
key to display [Loop check mode]. After
MODE
value of the latest measurement mode is displayed as default. Use
value and confirm comparator output operation / analog output operation.

12. Comparator operation

When the comparator output conditions shown below are met, each output becomes ON
status and "Comparator output LED (OUT1, OUT2)" is lit.
 Operation of hysteresis mode
・ Setting the upper limit
This is the mode in which the comparator operates with the setting value (A) as the
upper limit. The upper limit setting is determined when you select a positive number
(including 0) for setting value (b).
TY-GC31-004A
or
▲ ▼
key to set comparator
or
▲ ▼
key to set dead band
or
▲ ▼
key to set delay time
or
▲ ▼
key to set delay time
is displayed for 1 second, the
▲ ▼
key to set displayed
20/24
is
is
is
is
Rev.B

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Gc31-124Gc31-164Gc31-174Gc31-324Gc31-364Gc31-374

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