KROHNE OPTISWIRL 4070 Quickstart EN - Manual (Page 22)

3
ELECTRICAL CONNECTIONS
22
OPTISWIRL 4070
www.krohne.com 06/2010 - 4000122102 - QS OPTISWIRL R04 en
3.4 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.
Figure 3-3: Grounding connection
1 Electrical grounding connection on connection piece between measuring sensor and signal converter.
2 Electrical grounding connection on housing
3 Electrical earth connection on remote version
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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