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