Electrical interface
for current output
Data Value Unit
Open circuit voltage: 8 V
Current range: 4 ... 20 mA
Ripple, max.: 80 μA pp
Ripple, max.: 250 Ω
for semiconductor switch ("relay"):
Data Value Unit
Max. residual voltage at I
off max
= 1 µA 0.4 V
Maximum current 100 mA
Maximum voltage 24 VDC
Pacing pulse duration, approx. 100 ms
To pin VDE cable Contact Relay
1 yellow "+" Current
output
4 green "-" Current
output
3 white NC (normally closed) or
NO (normally open)
Relay
2 brown C (common) Relay
Fig. 26: Cable assignment
Identity code c
Fig. 27: Pump assignment
Installation, Electrical
41