Grundfos DDE series Montage- Und Betriebsanleitung Seite 15

Signal connections
Applies to DDE-PR/P control variant.
Warning
Electric circuits of external devices
connected to the pump inputs must be
separated from dangerous voltage by
means of double or reinforced insulation!
4 3
1 2
3
2
GND
1
Fig. 8 Wiring diagram of the electrical connections (DDE-PR/P)
External stop and pulse input
Function
External stop
Pulse
Level signals: empty and low-level signal
Function
Low-level signal
Empty signal
Relay outputs*
Function
Relay 1 (Alarm)
Relay 2 (selectable)
* applies to DDE-PR control variant
1
GND
Pins
1/brown 2/white
GND
GND
Pins
1 2
X
X
Pins
1/brown 2/white
X
X
2 1
3 4
4
3
1
►
3/blue 4/black
X
X
3 4
GND
GND
3/blue 4/black
X
X
2 1
3 4
3
2
4
2
1
Plug type
Pulse
Pulse
Plug type
Pulse
Pulse
Plug type
Pulse
Pulse
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