Grundfos DME - Connection Overview

9
3.6 Connection overview
Fig. 3 Connection overview
Control input:
1 = Contact for pulse signal
2 = Contact for external on/off
Level input:
Alarm relay (control variant "AR" only)
TM01 8422 0603
2
3
1
4
1
3
4
5
1
3
4
5
3
1
4
2
2
"NO" black
"NC" blue
"Com" brown
Empty tank
Low level
Control cable,
see table below
Level cable,
see table below
Number / colour 1 / brown 2 / white 3 / blue 4 / black 5 / grey Description
Function
Manual 2 2
Pulse 1 1
Pulse + external on/off 1 1 + 2 2
Analog – + mA signal
Analog + external on/off 2 2 – + mA signal
Timer + external on/off 2 2
Batch 1 1
Number / colour 1 / brown 2 / white 3 / blue 4 / black
Function
Low level Low level
Empty tank Empty level
Low level Empty tank Low level + empty tank
Dosing monitoring Dosing monitoring
Grundfos.bk Page 9 Wednesday, May 21, 2008 11:21 AM