GF Signet 2537 Paddlewheel Flow Sensor - Manual (Page 11)

11 Signet 2537 Flowmeter
x5
x6
2s
2s
T
P
t
T
P
t
T
P
t
1.
2.
3.
4.
Hysteresis holds a relay energized until the
À ow rate moves this amount past the setpoint.
The factory setting is 0.5000
3. Program the HYSTERESIS.
Set Relay Operation
The On-OFF mode has one relay (SPDT or solid-state) that can be programmed as a HIGH (Hi)
alarm or a LOW (Lo) alarm.
T
P
t
T
P
t
2s
Go to next
menu item
Return to
Normal Operation
Save the new setting:
x5
x3
2s
2s
T
P
t
t T
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t T
P
1.
2.
3.
4.
5.
2. Program the SETPOINT.
The SETPOINT is the À ow rate
where the relay will be energized.
The factory setting is 5.0000.
x7
2s
2s
T
P
t
P
T t
t T
P
1.
2.
3.
4.
5.
When the À ow rate reaches the setpoint, the
2537 will wait this long (in seconds) before
triggering the alarm.
The factory setting is 0000.0 seconds.
4. Program the DELAY.
A HI alarm will be activated when the
À ow rate rises ABOVE the setpoint.
A LO alarm will be activated when the
À ow rate falls BELOW the setpoint.
The factory setting is Hi(gh).
x4
2s
2s
T
P
t
T
P
t
t T
P
1.
2.
3.
4.
1. Select HI or LO Relay Alarm logic
2s
Go to next
menu item
Return to
Normal Operation
Save the new setting:
2s
Go to next
menu item
Return to
Normal Operation
Save the new setting:
2s
Go to next
menu item
Return to
Normal Operation
Save the new setting:
Minimum value
Maximum value
Minimum value
Maximum value
Minimum value
Maximum value
Example: Change the Relay Logic to Low:
Example: Change the Setpoint to 8.0000:
Example: Change the Hysteresis to 5.0000:
Example: Change the Delay to 10.0: