Connection Overview - Grundfos DME series Installation And Operating Instructions Manual

3.6 Connection overview

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