Rockwell Automation 1794-ASB/E Remote I/O Adapter Module User Manual - Manual (Page 59)

Specifications A–3
Publication 1794ĆĆUM009D-EN-P - April 2004
European Zone 2 Certification
This equipment is intended for use in potentially explosive atmospheres as defined by
European Union Directive 94/9/CE.
The LCIE (Laboratoire Central des Industries Electriques) certifies that this equipment has
been found to comply with the Essential Health and Safety Requirements relating to the
design and construction of Category 3 equipment intended for use in potentially explosive
atmospheres, given in Annex II to this Directive. The examination and test results are
recorded in confidential report No. 28 682 010.
Compliance with the Essential Health and Safety Requirements has been assured by
compliance with EN 50021 (1999).
IMPORTANT
Observe the following additional Zone 2 certification requirements:
• This equipment is not resistant to sunlight or other sources of UV
radiation.
• The secondary of a current transformer shall not be open-circuited.
• The marking ALCR" is to be considered as applicable" to individual
products.
• Equipment of lesser Enclosure Type Rating must be installed in an
enclosure providing at least IP54 protection when applied in Class I,
Zone 2 environments.
• This equipment must be powered by energy limited associated
equipment as defined in EN 50021 when applied in Class I, Zone 2
environments.
• Provision shall be made to prevent the rated voltage from being
exceeded by transient disturbances of more than 40% when applied in
Class I, Zone 2 environments.