1756-EN2TR Allen-Bradley Interface Module

WARNING: Special Conditions for Safe Use:
• This equipment is not resistant to sunlight or other sources of UV radiation.
• This equipment shall be used within its specified ratings defined by Rockwell Automation.
• Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 140% of the peak rated voltage when 
applied in Zone 2 environments.
• The instructions in the user manual shall be observed.
• This equipment must be used only with ATEX/IECEx certified Rockwell Automation backplanes.
• Secure any external connections that mate to this equipment by using screws, sliding latches, threaded connectors, or other means provided with this 
product.
• Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous.
• The USB port is intended for temporary local programming purposes only and not intended for permanent connection. Do not use the USB port in 
hazardous locations.
• For the 1756-EN4TR, 1756-EN4TRK, and 1756-EN4TRXT:
–The equipment shall only be used in an area of at least pollution degree 2, as defined in IEC/EN 60664-1.
–The equipment shall be installed in an enclosure with tool removable door or cover that provides a degree of protection not less than IP 54 in 
accordance with IEC/EN 60079-0.