KROHNE OPTISOUND 3010 C, Handbook

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5 Connecting to power supply
OPTISOUND 3010 C • Four-wire 4 … 20 mA/HART
30504-EN-220310
8. Check the hold of the wires in the terminals by lightly pulling on
them
9. Connect the shielding to the internal ground terminal, connect the
external ground terminal to potential equalisation
10. Tighten the compression nut of the cable entry gland. The seal
ring must completely encircle the cable
11. Connect the lead cable for power supply in the same way accord-
ing to the wiring plan, in addition connect the ground conductor to
the inner ground terminal.
12. Screw the housing lid back on
The electrical connection is finished.
5.3 Wiring plan, double chamber housing
1 2 3
4
5
Fig. 18: Double chamber housing
1 Housing cover - connection compartment
2 Blind plug
3 Housing cover - electronics compartment
4 Filter element for air pressure compensation
5 Cable gland
Housing overview