Grounding And Equipotential Bonding - Siemens SITRANS F Series Additional Operating Instructions

SITRANS FX330

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 the on-site equipotential bonding
system according to EN 60079-14! They are connected to the PA terminals.
For compact versions and measuring devices with flange connections, the flow sensor is
conductively connected to the pipeline.
For compact versions and measuring device of the type "sandwich", a separate conductor
connected either to the internal or external PA terminal must be provided to connect to the
equipotential bonding.
Figure 4-1: Ground connection of the compact version
1 Electrical grounding connection on connection piece between the flow sensor and the signal converter
2 Electrical grounding terminal in the housing
For remote versions the connection of the flow sensor can either be made via the PA connection
in the terminal compartment of the signal converter or via the external PA connection.
Figure 4-2: Ground connection of the remote version
1 Electrical grounding connection on the flow sensor
2 Electrical grounding connection on the housing of the signal converter
09/2018 - A5E40861058-AB
ELECTRICAL CONNECTIONS
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