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7 switch-on phase – VEGA VEGABAR 54 4 … 20 mA_HART - climate compensated User Manual

Page 24

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24

5 Connecting to power supply

VEGABAR 54 • 4 … 20 mA/HART - climate compensated

36727-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