European hazardous location approval – Rockwell Automation 1734-ADN, ADNX Point I/O DeviceNet Adapter Installation Instructions User Manual
Page 20
 
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.