VEGA VEGAFLEX 81 Foundation Fieldbus Coax probe - Manual (Page 23)

23
5 Connecting to power supply
VEGAFLEX 81 • Foundation Fieldbus
44215-EN-130910
5.5 Wiring plan, Ex-d-ia double chamber housing
5
0
1
0
1
+ 6 7 8
Bus
2
3
1 2 ( ) (-)
4 1
Fig. 15: Electronics compartment, double chamber housing
1 Internal connection to the connection compartment
2 Contact pins for the display and adjustment module or interface adapter
3 Simulation switch ("1" = mode for simulation release)
4 Internal connection to the plug connector for external display and adjust-
ment unit (optional)
+
Bus
2 1 2 ( ) (-)
1
Fig. 16: Connection compartment, double chamber housing Ex d
1 Voltage supply, signal output
2 Ground terminal for connection of the cable screen
Electronics and connec-
tion compartment
Connection compartment