9
3.6 Connection overview
Fig. 3
Control input:
1 = Contact for pulse signal
2 = Contact for external on/off
Level input:
TM0
1
842
2 060
3
2
3
1
4
1
3
4
5
1
3
4
5
3
1
4
2
2
Alarm relay (control variant “AR” only)
Control cable,
see table below
Level cable,
see table below
“NO” black
“NC” blue
“Com” brown
Empty tank
Low level
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
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 tank
Low level
Empty tank
Low level + empty tank
Dosing monitoring
Dosing monitoring
