Installing The Device In Hazardous Locations - Siemens SIMATIC NET RUGGEDCOM RSG908C Installation Manual

2.3

Installing the Device in Hazardous Locations

The RUGGEDCOM RSG908C is designed to comply with the safety standards for Class
I, Division 2, Zone 2 hazardous locations where concentrations of flammable gases,
vapors or liquids may be present, as opposed to normal operating environments.
Special Conditions for Safe Use
Installation and use of the device in a hazardous location must meet the following
special conditions for safe use:
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Note
For further details of the device's compliance with Class I, Division 2, Zone 2
standards, refer to
Do not disconnect or open equipment unless power has been switched off or the
area is known to be non-hazardous.
Substitution of the components may impair suitability for Class I, Division 2.
RUGGEDCOM RSG908C
Installation Manual, 04/2022, C79000-G8976-1404-11
The equipment shall be installed in an additional enclosure that is considered
to be not accessible in normal operation without the use of a tool and provides
a degree of protection of not less than IP54 according to IEC 60079-0 and IEC
60079-7. The installer shall make sure the maximum ambient temperature of the
equipment when installed is not exceeded.
The equipment shall be used in an area of not more than pollution degree 2, as
defined by IEC 60664-1.
Transient protection shall be provided that is set at a level not exceeding 140% of
the peak rated voltage value at the supply and failsafe relay contacts terminals to
the equipment.
The console ports (USB Type-B) shall be used in a non-hazardous area only.
Pluggable communication modules shall not be connected or disconnected in
hazardous locations.
The end user must make sure the equipment is appropriately earthed upon
installation.
The ambient operating temperature must not exceed limits. For more
information, refer to
"Approvals (Page
NOTICE
NOTICE
2.3 Installing the Device in Hazardous Locations
"Operating Environment (Page
31)".
Installing the Device
27)".
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