Electrical connections, 5 grounding connections – KROHNE OPTISWIRL 4070 EN User Manual
Page 38

4
ELECTRICAL CONNECTIONS
38
OPTISWIRL 4070
www.krohne.com
02/2013 - 4000150606 MA OPTISWIRL4070C R07 en
Connection of shielding connection cable remote version
4.5 Grounding connections
The grounding can be done either by connecting the PE terminal in the housing or the PE
terminal on the connection piece between measuring sensor and signal converter. Both of these
electrical connections are equally effective from a technical point of view.
CAUTION!
The cable shielding is connected only on one side under the U-clamp terminal 1 in the wall
mount bracket connection box.
Grounding connection compact version
1 Electrical grounding connection on connection piece between measuring sensor and signal converter.
2 Electrical grounding connection on housing
CAUTION!
The measuring device has to be grounded properly to achieve accurate measurement. The
grounding wire may not transfer any interference voltage.
Do not use this grounding wire to ground any other electrical devices.
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