Dust Layers Above 5 Mm; Installation In Hazardous Areas - Siemens SITRANS F Series Operating Instructions Manual

Further information and instructions including approval-specific special conditions for safe use
in Ex applications can be found in the certificates on the accompanying documentation disk and
at Certificates (Page 339).
Laying of cables
Risk of explosion in hazardous areas. May cause death or serious injury.
Cable for use in hazardous areas must satisfy the requirements for having a proof voltage of
at least 500 V AC applied between the conductor/ground, conductor/shield and shield/ground.
Connect the devices that are operated in hazardous areas as per the stipulations applicable
in the country of operation.
Field wiring installation
Risk of explosion in hazardous areas. May cause death or serious injury.
Ensure that the national requirements of the country in which the devices are installed are met.
2.4.3

Dust layers above 5 mm

Dust layers above 5 mm
Risk of explosion in hazardous areas. May cause death or serious injury.
Device may overheat due to dust build up.
● Remove dust layers in excess of 5 mm.
2.5

Installation in hazardous areas

Equipment used in hazardous areas
Risk of explosion. May cause death or serious injury.
Equipment used in hazardous areas must be Ex-approved for the region of installation and
marked accordingly. It is required that the special conditions for safe use provided in the
manual and in the Ex certificate are followed!
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD
WARNING
WARNING
WARNING
WARNING
Safety notes
2.5 Installation in hazardous areas
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