Grundfos DDE User Manual

English (GB)
16
Signal connections
Applies to DDE-PR/P control variant.
Fig. 8 Wiring diagram of the electrical connections (DDE-PR/P)
External stop and pulse input
Level signals: empty and low-level signal
Relay outputs*
* applies to DDE-PR 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!
TM04 8172 5111
1
3
4
2
3
4
1
2
1
3
►
2
1
GND
GND
12
34
34
12
12
34
Function
Pins
Plug type
1/brown 2/white 3/blue 4/black
External stop GND X Pulse
Pulse GND X Pulse
Function
Pins
Plug type
1234
Low-level signal X GND Pulse
Empty signal X GND Pulse
Function
Pins
Plug type
1/brown 2/white 3/blue 4/black
Relay 1 (Alarm) X X Pulse
Relay 2 (selectable) X X Pulse

Grundfos DDE Specifications

General

Pump Type	Diaphragm Dosing Pump
Protection Class	IP65
Control Type	Manual
Power Supply	230 V, 50/60 Hz
Material	PVDF, PTFE, Ceramic
Operating Temperature	0 - 40 °C
Approvals	CE
Ambient Temperature	0 - 40 °C
Dosing Accuracy	< +/- 1 %