VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) Profibus PA - Manual (Page 25)

25
5 Connecting to the bus system
VEGAPULS 66 • Profibus PA
36521-EN-121011
You can find further information to 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. Place probably existing indicating and adjustment module back
on
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 as well as to the Ex-ia
version.
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. 18: Electronics and connection compartment, single chamber housing
1 Voltage supply, signal output
2 For indicating and adjustment module or interface adapter
3 Selection switch for bus address
4 For external indicating 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