Switch-On Phase - Vega VEGABAR 66 Operating Instructions Manual

Terminal compartment,
housing socket
Wiring plan external
electronics

Switch-on phase

VEGABAR 66 • 4 ... 20 mA/HART - climate compensated
Fig. 25: Connection of the sensor in the housing socket
1 Brown
2 Blue
3 Yellow
4 White
5 Shielding
6 Breather capillaries
1
Fig. 26: Wiring plan external electronics
1 Voltage supply
5.8 Switch-on phase
After connecting VEGABAR 66 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
1 2 3 4
2 4
1 3
6
5
Display
I 2 C
1 2 5 6 7 8
5 Connecting to power supply
29