Connection Overview - Grundfos DME 12 Montage- Und Betriebsanleitung

3.6 Connection overview

Fig. 3
Alarm relay (control variant "AR" only)
"NO" black
"NC" blue
"Com" brown
5
Control input:
Number / colour
Function
Manual
Pulse
Pulse + external on/off
Analog
Analog + external on/off
Timer + external on/off
Batch
1 = Contact for pulse signal
2 = Contact for external on/off
Level input:
Number / colour
Function
5 4 3 1 2
Control cable,
see table below
1
3
4
1 / brown 2 / white
2
1
1
2
2
1
1 / brown 2 / white
Low level
Empty tank
Low level Empty tank
Dosing monitoring
4 1 3 2
Level cable,
see table below
3
1
4
3 / blue 4 / black
2
1
1 + 2
–
2 –
2
1
3 / blue
Low level
Empty tank
Low level + empty tank
Dosing monitoring
2
Empty tank
Low level
5 / grey Description
2
+ mA signal
+ mA signal
4 / black
9