VEGA VEGABAR 83 4 … 20 mA - Operating Instructions - Manual (Page 21)

21
5 Connecting to power supply
VEGABAR 83 • 4 … 20 mA
45033-EN-131010
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 Single chamber housing
The following illustration applies to the non-Ex as well as to the Ex-ia
version.
5 1 2 +
( ) (-) 6 7 8
4...20mA
2
3
4
1
Fig. 17: Electronics and connection compartment, single chamber housing
1 Voltage supply/Signal output
2 For display and adjustment module or interface adapter
3 For external display and adjustment unit or Slave sensor
4 Ground terminal for connection of the cable screen
5.4 Housing IP 66/IP 68 (1 bar)
1
2
Fig. 18: Wire assignment fix-connected connection cable
1 brown (+) and blue (-) to power supply or to the processing system
2 Shielding
Electronics and connec-
tion compartment
Wire assignment, con-
nection cable