Hazardous location information – Rockwell Automation 1756-CNB ControlLogix ControlNet Bridge Module Installation Instructions User Manual
Page 28
28
Publication 1756-IN571B-EN-P - April 2001
Hazardous Location information
The following information applies when operating this equipment in
hazardous locations:
Products marked “CL I, DIV 2, GP A, B, C, D” are suitable for use in
Class I Division 2 Groups A, B, C, D, Hazardous Locations and
nonhazardous locations only. Each product is supplied with markings
on the rating nameplate indicating the hazardous location
temperature code. When combining products within a system, the
most adverse temperature code (lowest “T” number) may be used to
help determine the overall temperature code of the system.
Combinations of equipment in your system are subject to
investigation by the local Authority Having Jurisdiction at the time of
installation.
WARNING
!
EXPLOSION HAZARD
• Do not disconnect equipment unless power
has been removed or the area is known to be
nonhazardous.
• Do not disconnect connections to this
equipment unless power has been removed
or the area is known to be nonhazardous.
Secure any external connections that mate to
this equipment by using screws, sliding
latches, threaded connectors, or other means
provided with this product.
• Substitution of components may impair
suitability for Class I, Division 2.
• If this product contains batteries, they must
only be changed in an area known to be
nonhazardous.