Wiring Plans, Version Ip 66/Ip 68 (1 Bar); Switch On Phase - Vega VEGABAR 53 Operating Instructions Manual

Wiring plan
Wire assignment, connection
cable

Switch on phase

VEGABAR 53 - Profibus PA
1
Fig. 10: Wiring plan, double chamber housing
1 Power supply/Signal output

5.5 Wiring plans, version IP 66/IP 68 (1 bar)

This version is only available for instruments with absolute
pressure measuring ranges.
Fig. 11: Wire assignment, connection cable
1 br (+) and bl (–) for power supply or to the processing system
2 Screen
5.6 Switch on phase
After VEGABAR 53 is connected to power supply, the
instrument carries out a self-test for approx. 30 seconds. The
following steps are carried out:
Internal check of the electronics
l
Indication of the instrument type, the firmware version as
l
well as the sensor TAGs (sensor name)
status byte goes briefly to fault value
l
Then the actual measured value is displayed and the
corresponding digital output signal is transmitted to the cable.
The values correspond to the actual level as well as to the settings already
4)
carried out, e.g. default setting.
Connecting to power supply
I 2 C
1 2
+
-
1
2
4)
19