Wilo Helix EXCEL 22 Installation And Operating Instruction page 51

Control rules of input signals
Sensor input – Current signal: Position [S1]
Sensor signal 4-20 mA
100 %
Value
in % of
the sensor's
measurement
range
0 2 4
Sensor input – Voltage signal: Position [S2]
Sensor signal 2­10
100 %
Between 0 and 1 V, the cable
Value
in % of the
sensor's
measurement
range
0 2 4
Installation and operating instructions –
Between 0 and 2 mA, the
cable is considered cut
Safety area
Current input (mA) 20
V
is considered cut
Safety area
Voltage input (V) 10
Helix EXCEL 22­36­52
Sensor signal 0-20 V
100 %
Value
in % of
the sensor's
measurement
range
0
Sensor signal 0­10
100 %
Value
in % of
the sensor's
measurement
range
0
English
Current input (mA) 20
V
Voltage input (V) 10
51