VEGA VEGAFLEX 81 Profibus PA - Manual (Page 26)

26
5 Connecting to power supply
VEGAFLEX 81 • Profibus PA
44217-EN-130910
6. Insert the wire ends into the terminals according to the wiring plan
Information:
Solid cores as well as flexible cores with wire end sleeves are insert-
ed directly into the terminal openings. In case of flexible cores without
end sleeves, press the terminal from above with a small screwdriver;
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.
5
0 0
5
1
6
2
7
3 8
4
9 0
5
1
6
2
7
3 8
4
9 1
0
1
6 7 8
Bus
2
3
4
5 1 2 +
( ) (-)
1
Fig. 16: Electronics and connection compartment, single chamber housing
1 Voltage supply, signal output
2 For display and adjustment module or interface adapter
3 Selection switch for bus address
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