Proline Prosonic Flow 91
Description of device functions
Hauser
93
10.11
Group PROCESS PARAMETER
Functional description PROCESS PARAMETER
ON-VALUE LOW
FLOW CUT OFF
Use this function to enter the switch-on point for low flow cut off.
Low flow cut off is active if the value entered is not equal to 0. The sign of the flow value
is highlighted on the display to indicate that low flow cut off is active.
User input
:
5-digit floating-point number, [unit]
Factory setting
:
Depends on nominal diameter and country, [value] / [dm
3
to m
3
or US-gal]
Corresponds to the factory setting for the low flow
!
Note!
The appropriate unit is taken from the SYSTEM UNITS group.
The switch-off point is specified as a positive hysteresis from the switch-on point with
50%.
a0001245
Q
Flow [volume/time]
t
Time
H
Hysteresis
a
SWITCH-ON POINT LOW FLOW CUT OFF = 200 dm
3
/h
b
Low flow switch-off point = 50%
c
Low flow cut off active
1
Low flow cut off is switched on at 200 dm
3
/h
2
Low flow cut off is switched off at 300 dm
3
/h
1
c
c
Q
t
1
2
b
a
2
H
