Low Flow Cut Off

Assign Process Variable

Select process variable to activate low flow cut off.
Assign Process Variable parameter properties
Property
Value
Selection / Range
  • Off
  • Volume flow
  • Mass flow
  • Corrected volume flow
Factory Setting
Volume flow
Visibility
Operator
Write Access
Maintenance
Data Type
ENUM16

On Value Low Flow Cutoff

Enter value to switch on low flow cut off.
Value = 0: No low flow cut off
Value > 0: Low flow cut off is activated
On Value Low Flow Cutoff parameter properties
Property
Value
Selection / Range
>= 0
Factory Setting
0 l/h
Visibility
Operator
Write Access
Maintenance
Data Type
FLOAT

Off Value Low Flow Cutoff

Enter value to switch off low flow cut off.
The off value is entered as a positive hysteresis with respect to the on value.
Off Value Low Flow Cutoff parameter properties
Property
Value
Selection / Range
0 - 100.0 %
Factory Setting
50 %
Visibility
Operator
Write Access
Maintenance
Data Type
FLOAT

Pressure Shock Suppression

Enter time frame for signal suppression (= pressure shock suppression active), for example to prevent the device from registering flow movements in the pipe when a valve is closed.
Pressure schock suppression is activated when the flow rate drops below the on value for low flow cutoff.
Output values when pressure shock suppression is active:
  • Flow: 0
  • Totalizer: Last valid value
Pressure shock suppression is deactivated when the time frame specified has elapsed and Flow exceeds the off value for low cutoff
Pressure Shock Suppression parameter properties
Property
Value
Selection / Range
0 - 100 s
Factory Setting
0 s
Visibility
Operator
Write Access
Maintenance
Data Type
FLOAT
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