VEGA VEGABAR 54 4 … 20 mA_HART - Manual (Page 24)

24
5 Connecting to power supply
VEGABAR 54 • 4 … 20 mA/HART
36726-EN-130321
1 2 3 4
6
3
4
1
2
5
Fig. 17: Connection of the sensor in the housing socket
1 Brown
2 Blue
3 Yellow
4 White
5 Shielding
6 Breather capillaries
I2C
Display
1
1 2 5 6 7 8
Fig. 18: Wiring plan external electronics
1 Voltage supply
5.7 Switch-on phase
After connecting VEGABAR 54 to power supply or after a voltage
recurrence, the instrument carries out a self-check for approx. 30
seconds:
•
Internal check of the electronics
•
Indication of the instrument type, the firmware as well as the sen-
sor TAGs (sensor designation)
•
Output signal jumps briefly (approx. 10 seconds) to the set fault
current
Terminal compartment,
housing socket
Wiring plan external
electronics
Switch-on phase