Rockwell Automation 1440-TB-E XM-944 Process/Temperature Terminal Base - Manual (Page 6)

6 XM-944 Process/Temperature Terminal Base
Publication GMSI10-IN024A-EN-P - May 2010
Power Requirements
Power Supply
Requires a 24Vdc (±10%) power source per the following table.
European Zone 2 Certification
If appropriately marked, this equipment is intended for use in potentially explosive
atmospheres as defined by European Union Directive 94/9/CE.
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.