European hazardous location approval – Rockwell Automation 1734-ADN, ADNX Point I/O DeviceNet Adapter Installation Instructions User Manual

Page 20

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20 POINT I/O DeviceNet Adapter

Publication

1734-IN026A-EN-P - April 2005

European Hazardous Location Approval

The 1734-ADN adapter has European Hazardous Location approval.

European Zone 2 Certification (The following applies when the product bears the
EEx Marking)
This equipment is intended for use in potentially explosive atmospheres as defined by
European Union Directive 94/9/EC.
DEMKO 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 03NK30347.
Compliance with the Essential Health and Safety Requirements has been assured by
compliance with EN 50021.

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 when applied in Class I, Zone 2
environments.

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 shall be used within its specified ratings
defined by Allen-Bradley.

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.

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