Select characteristic
curve
After calibration, a characteristic curve for
the
output
signal
must
be
selected
according to the application. The setting is
done with the rotary switch which can also
be used for damping.
Curve for flow (root function):
Switch position 9
Under normal circumstances – no curve
needs to be calibrated.
Linear curve:
Switch position 1
The current output is linear.
The curve for root function is set in the
following signal evaluation (e.g. in PLC).
Damping
τ
The damping influences the time it takes for the output signal to react to a change in
pressure.
Fixed damping values are assigned to the switch positions.
They can be set direct on the rotary switch.
Damping-Root curve:
Switch position 9...F
Damping-Linear curve:
Switch position 1...7
0
1234
5
6
7
8
9
AB
C
D
E
F
0 - 25 mbar
0
1234
5
6
7
8
9
AB
C
D
E
F
position of
rotary switch
BA174Y11
0 s
1 s
2 s
4 s
0.5 s
8 s
16 s
A
C
D
E
F
B
9
I
0
τ
2
τ
3
τ
63 %
100 %
τ
e.g. for switch position E
τ
= 8s
switch
position
BA174Y47
0
∆
p
I
BA174Y74
0
∆
p
I
BA174Y75
5
6
4
3
2
1
0 s
1 s
2 s
4 s
0.5 s
8 s
16 s
7
I
0
τ
2
τ
3
τ
63 %
100 %
τ
switch
position
e.g. for switch position 6
τ
= 8s
BA174
Y12
4 Commissioning the Measuring Point
Deltabar S
30
Hauser
