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-wacon.de
21
Current interface contact
Figure: Terminals for connecting the current interface contact (blue border)
Output 0/4
–
20 mA: Current interface
Terminal designation
Description
15
+
+
Output
0 - 20 mA or 4 - 20 mA
16
-
-
Output
0 - 20 mA or 4 - 20 mA
Current interface function:
The current interface is used to provide the present water hardness or device status as current
output. The current range can be selected between the settings 0 - 20 mA or 4 - 20 mA. The
maximum load is 750 Ω.
Selection options for current interface type:
•
From
•
0
–
20 mA value
•
4
–
20 mA value
•
0
–
20 mA status
•
4
–
20 mA status
For more information, see page 29.
Electrical installation
