Grounding And Equipotential Bonding - Siemens SITRANS F Additional Operating Instructions

ELECTRICAL CONNECTIONS
4

4.4 Grounding and equipotential bonding

CAUTION!
Equipotential bonding Equipotential bonding Equipotential bonding Equipotential bonding
Vortex signal converters and flow sensors must be included in on-site equipotential bonding acc.
to EN 60079-14! They are connected to the PA terminals.
In the case of compact flowmeters and measuring units with flange connections, the flow sensor
is conductively connected to the pipeline. For compact flowmeters and "sandwich" type
measuring units, a separate conductor connected either to the internal or external PA terminal
must be provided to connect to the equipotential bonding.
Ground connection of compact version
1 Electrical grounding connection on connection piece between flow sensor and signal converter
2 Electrical grounding terminal in the housing
For remote systems the connection of the flow sensor can either be made via the PA connection
in the signal converter terminal compartment or via the external PA connection.
Ground connection of remote version
1 Electrical grounding connection on flow sensor
2 Electrical grounding connection on signal converter housing
18 www.siemens.com/flow
SITRANS FX330
08/2017 - A5E42667474-AA EN