Unsuitable Cables, Cable Glands And/Or Plugs; Lack Of Equipotential Bonding; Unprotected Cable Ends - Siemens SITRANS F FST030 Operating Instructions Manual

Connecting
5.1 Basic safety notes
5.1.2

Unsuitable cables, cable glands and/or plugs

Unsuitable cables, cable glands and/or plugs
Risk of explosion in hazardous areas. May cause death or serious injury.
• Use only cable glands/plugs that comply with the requirements for the relevant type of
• Tighten the cable glands in accordance with the torques specified in Technical data
• Close unused cable inlets for the electrical connections.
• When replacing cable glands use only cable glands of the same type.
• After installation check that the cables are seated firmly.
5.1.3

Lack of equipotential bonding

Lack of equipotential bonding
Risk of explosion through compensating currents or ignition currents through lack of
equipotential bonding.
May cause death or serious injury.
• Ensure that the device is potentially equalized.
Exception: It may be permissible to omit connection of the equipotential bonding for devices
with type of protection "Intrinsic safety Ex i".
5.1.4

Unprotected cable ends

Unprotected cable ends
Risk of explosion through unprotected cable ends in hazardous areas.
May cause death or serious injury.
• Protect unused cable ends in accordance with IEC/EN 60079-14.
36
WARNING
protection.
(Page 113).
WARNING
WARNING
SITRANS F Ultrasonic flowmeters FST030 (HART)
Operating Instructions, 08/2017, A5E35971532-AC