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14
4.7 Frequency output
The unit provides a frequency signal that is proportional to the volumetric flow�
Within the measuring range the frequency signal is between 0 and 1 kHz for the
factory setting�
The frequency signal is scalable:
FrEP = Frequency signal in Hz which is provided at OUT1 when the upper measured value
FEP is reached�
Factory setting: FrEP = 1 kHz = 100 %�
The measuring range is scalable:
FEP = Upper measured value at which OUT1 provides the frequency signal FrEP�
MEW
MAW
FEP
FrEP
=100 %
0 %
120 %
100
120 130
[% MEW]
130 %
OL
Err
Err
1
2
5
4*
5*
4
3
FOU=OFF
FOU=On
Figure 1: Output curve frequency output
MAW = initial value of the measuring range; MEW = final value of the measuring range
1
Frequency signal
2
Volumetric flow quantity
3
Display range
4
Measuring range
4*
Frequency signal in the measuring range
with factory setting
5
Scaled measuring range
5*
Frequency signal with scaled measuring
range