18
5 Connecting to power supply
VEGABAR 18 • Two-wire 4 … 20 mA
55575-EN-200327
5.3 Wiring plan
+
-
1
2
4
1
3
Fig. 13: Wiring plan - two-wire 4 … 20 mA - M12 x 1 plug
1 Voltage supply and signal output
Contact, plug connector
Function/Polarity
1
Voltage supply, signal
2
Free
3
Voltage supply, signal output/-
4
Free
1
2
3
+
-
1
Fig. 14: Wiring plan - two-wire 4 … 20 mA - plug according to ISO 4400
1 Voltage supply and signal output
Contact, plug connector
Function/Polarity
1
Voltage supply, signal
2
Voltage supply, signal output/-
3
Free
Electrically connected with metal housing
5.4 Switch-on phase
After switching on, the device first carries out a self-check:
•
Internal check of the electronics
•
The output signal jumps to the set fault current
The current measured value is then output on the signal cable.
M12 x 1 plug
Plug according to
ISO 4400
