Rockwell Automation 1756-ENET/B ControlLogix EtherNet Comm. Interface Module, Series B Installation Instructions - Manual (Page 18)

18 ControlLogix Ethernet Communication Interface Module
Publication 1756-IN053D-EN-P - June 2002
Allen-Bradley and ControlLogix are trademarks of Rockwell Automation.
Ethernet is a trademark of Digital Equipment Corporation, Intel, and Xerox Corporation.
IMPORTANT
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.