Siemens CP 343-1 Manual page 36

Installation, connecting up and commissioning
5.1 Important notes on using the device
Replacing components
EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION
2 OR ZONE 2.
Requirements for the cabinet/enclosure
When used in hazardous environments corresponding to Class I, Division 2 or Class I,
Zone 2, the device must be installed in a cabinet or a suitable enclosure.
Restricted area of application
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-
hazardous locations only.
Restricted area of application
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations
only.
LAN attachment
A LAN or LAN segment with the attachments belonging to it should be within a single low-
voltage supply system and within a single building. Make sure that the LAN is in an of type
A environment according to IEEE 802.3 or in a type 0 environment according to IEC TR
62101.
Never establish a direct electrical connection to TNV networks (telephone network) or
WANs (Wide Area Network).
General notices on use in hazardous areas according to ATEX
Requirements for the cabinet/enclosure
To comply with EU Directive 94/9 (ATEX95), this enclosure must meet the requirements of
at least IP54 in compliance with EN 60529.
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WARNING
WARNING
WARNING
WARNING
WARNING
WARNING
Manual, 12/2018, C79000−G8976−C201-08
CP 343-1