Electrical Connection; Terminal Layout - Endress+Hauser Rid 261 Bedienungsanleitung

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5. Electrical connection

Attention: When connecting the device in hazardous areas
please take note of the respective hints and connection
diagrams in the Ex-specific additional documentation to these
instructions.
Ingress protection
The unit fulfils all the requirements to be classified as IP66. In
order to maintain this classification after installation or a service
condition the following points must be noted and carried out:
- The housing gaskets must be replaced clean and in good
condition into the gasket recess. The gaskets must also be
dried, cleaned or if damaged replaced.
- All housing screws and cable glands must be tightened.

5.1 Terminal layout

The terminals for the PROFIBUS-PA cables can be found
under the cover on the left side of the device. Open the PG
glands and connect the PROFIBUS-PA cables as per drawing.
Attention: Make sure there is a conductive connection of the
shield with the metallic PG screw fixing. Ground the device via
the grounding flap. Only then the interference protection can be
guaranteed.
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5. Electrical connection
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