78
SAW sensor - Parameter
Type 8098
13.4.9
Enabling the cut-off function
If the absolute (and possibly damped, see chap
) measured flow rate is less than the cut-off value
plus an hysteresis value, the flow rate value is set to 0:
The outputs*
)
and the totalizers react as if the actual flow rate were equal to 0.
t
0
Measured flow rate
Displayed flow rate
Flow rate
Cut-off value
Cut-off + hysteresis
Hysteresis = 50% of the
cut-off value
Figure 20:
Operation of the cut-off function
By default, the cut-off function is enabled.
If the cut-off function is disabled, do the following to enable it:
→
Select the device in the navigation area.
→
SAW sensor
→
Parameter
→
Stand. meas. values
→
Volume flow
→
Cut-off
→
Status
→
Enabled
The cut-off function is enabled.
*
)
Only variant with outputs.
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