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5 Connecting to power supply
VEGAPULS 66 • 4 … 20 mA/HART - two-wire
28438-EN-170927
6. Lift the opening levers of the terminals with a screwdriver (see
following illustration)
7. Insert the wire ends into the open terminals according to the wir-
ing plan
Fig. 16: Connection steps 6 and 7
8. Press down the opening levers of the terminals, you will hear the
terminal spring closing
9. Check the hold of the wires in the terminals by lightly pulling on
them
10. Connect the screen to the internal ground terminal, connect the
external ground terminal to potential equalisation
11. Tighten the compression nut of the cable entry gland. The seal
ring must completely encircle the cable
12. Screw the housing lid back on
The electrical connection is finished.
5.3 Wiring plan, single chamber housing
The following illustrations apply to the non-Ex as well as to the Ex-ia
version.
