Endress+Hauser Proline Prowirl R 200 - Page 29

Proline Prowirl R 200 Electrical connection
Endress+Hauser 29
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1 Controller (e.g. PLC)
2 Segment coupler PROFIBUS DP/PA
3 Cable shield
4 T-box
5 Measuring device
6 Local grounding
7 Bus terminator
8 Potential matching line
NOTICE
In systems without potential matching, the multiple grounding of the cable shield
causes mains frequency equalizing currents!
Damage to the bus cable shield.
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Only ground the bus cable shield to either the local ground or the protective ground
at one end. Insulate the shield that is not connected.