Wilo Helix VE 2 Serie Einbau- Und Betriebsanleitung Seite 46

English
DANGER! Danger to life!
Hazardous contact voltage due to discharging converter
capacitors.
- Before any intervention on the converter, wait for 5 min-
utes after disconnecting from the supply voltage.
- Ensure that all electrical connections and contacts are
voltage-free.
- Verify the correct assignment of the connection terminals.
- Verify that pump and installation are properly earthed.
Control curves
IN1: Input signal in modes „Constant pressure", „Variable pressure" and „P.I.D. control"
100%
Value
in % of the sensor
measurement range
0
100%
Value
in % of the sensor
measurement range
0
46
Sensor signal 4 – 20 mA
In case of values between 0 and
2 mA, a cable is considered
as broken.
Safety
range
2 4
Input current (mA)
Sensor signal 0 – 20 mA
Input current (mA)
100%
Value
in % of the sensor
measurement range
20 0
100%
Value
in % of the sensor
measurement range
20 0
Sensor signal 0 – 10 V
Input voltage (V)
Sensor signal 2 – 10 V
2
Input voltage (V)
WILO SE 09/2013
10
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