4 ControlLogix Voltage/Current Output Module
Publication
1756-IN016B-EN-P - November 2003
Removal and Insertion Under Power
Be sure that power is removed or the area is nonhazardous before
proceeding. Repeated electrical arcing causes excessive wear to
contacts on both the module and its mating connector. Worn contacts
may create electrical resistance that can affect module operation.
European Hazardous Location Approval
If you install the module in a European Zone 2 location, consider:
WARNING
When you insert or remove the module while backplane
power is on, an electrical arc can occur. This could cause
an explosion in hazardous location installations.
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.
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.
IMPORTANT
When using this product, also consider the following:
• 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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