4 ELECTRICAL CONNECTIONS
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SITRANS FX330
www.siemens.com/flow 08/2022 - A5E36751269-AG EN
4.5 Grounding connections
The grounding can be done either by connecting the PE (Protective Earth) terminal in the
housing or the PE terminal on the connection piece between flow sensor and signal converter.
Both of these electrical connections are equally effective from a technical point of view.
Figure 4-9: Grounding connection for compact version
1 Electrical grounding connection on connection piece between flow sensor and signal converter.
2
Electrical grounding terminal in the 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 cable to ground any other electrical devices.
Figure 4-10: Grounding connection for remote version
1 Electrical grounding connection on flow sensor
2 Electrical grounding connection on signal converter housing
INFORMATION!
In the remote version, the flow sensor as well as the signal converter must be grounded.
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