23
5 Connecting to power supply
VEGABAR 28 • Three-wire 1 x transistor or 4 … 20 mA
57534-EN-220826
2
1
Fig. 21: Wiring plan - Three-wire (1 x transistor or 4 … 20 mA)
1 Cores
2 Capillary line with filter attachment
Wire colour
Function/Polarity
Brown
Voltage supply/Plus
White
Transistor output 2 or current output
Blue
Voltage supply/Minus
Black
Transistor output 1
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
2)
•
Switching outputs are controlled
The current measured value is then output on the signal cable.
Direct cable outlet
2) With current output activated