VEGA VEGAFLEX 81 Foundation Fieldbus Coax probe - Manual (Page 21)

21
5 Connecting to power supply
VEGAFLEX 81 • Foundation Fieldbus
44215-EN-130910
the terminal opening is freed. When the screwdriver is released, the
terminal closes again.
You can find further information on the max. wire cross-section under
"Technical data/Electromechanical data"
7. Check the hold of the wires in the terminals by lightly pulling on
them
8. Connect the screen to the internal ground terminal, connect the
outer ground terminal to potential equalisation
9. Tighten the compression nut of the cable entry. The seal ring must
completely encircle the cable
10. Reinsert the display and adjustment module, if one was installed
11. Screw the housing cover back on
The electrical connection is hence finished.
5.3 Wiring plan, 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. 11: 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 screen
5.4 Wiring plan, double chamber housing
The following illustrations apply to the non-Ex as well as to the Ex-ia
version.
Electronics and connec-
tion compartment