9
4 Connecting to the bus system
VEGABAR 86 • Foundation Fieldbus
46323-EN-210430
9. Tighten the compression nut of the cable entry gland. The seal
ring must completely encircle the cable
10. Reinsert the display and adjustment module, if one was installed
11. Screw the housing lid back on
The electrical connection is finished.
4.2 Single chamber housing
The following illustration applies to the non-Ex, Ex-ia and Ex-d ver-
sion.
1
2
( )
(-)
1
5
0
1
0
1
+
6 7 8
Bus
2
3
4
5
Fig. 4: Electronics and connection compartment - single chamber housing
1 Voltage supply, signal output
2 Contact pins for the display and adjustment module or interface adapter
3 Simulation switch ("1" = mode for simulation release)
4 For external display and adjustment unit
5 Ground terminal for connection of the cable screening
4.3 Double chamber housing
The following illustrations apply to the non-Ex as well as to the Ex-ia
version.
5
0
1
0
1
+
6 7 8
Bus
2
3
1
2
( )
(-)
1
1
Fig. 5: 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)
Electronics and connec-
tion compartment
Electronics compartment