Wiring Plan - bürkert 8138 Bedienerführung

LEVEL TRANSMITTER 8138 • 4 ... 20 mA/HART - two-wire
Fig. 14: Connection steps 5 and 6 - Single chamber housing
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 then free. 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 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.
5.3

Wiring plan

The following illustration applies to the non-Ex as well as to the Ex-ia
version.
5 Connecting to power supply
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