Safety considerations, Hazardous location considerations – Rockwell Automation 1747-L5xx SLC 5/03, 5/04, and 5/05 Modular Processors User Manual
Page 5

SLC 5/03, SLC 5/04, and SLC 5/05 Modular Processors 5
Publication 1747-IN009B-EN-P - March 2008
Safety Considerations
For general recommendations concerning installation safety requirements and
safety related work practices, refer to the requirements specific to your region.
•
Europe: Reference the standards found in EN 60204 and your national
regulations.
•
United States: refer to NFPA 70E, Electrical Safety Requirements for
Employee Workplaces.
Hazardous Location Considerations
This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or
non-hazardous locations only. The following WARNING statement applies to use in
hazardous locations.
ATTENTION
Never install, remove, or wire any module while power is applied. Also, do not
expose processor modules to surfaces or other areas that may typically hold an
electrostatic charge. Electrostatic charges can alter or destroy memory.
IMPORTANT
See page 14 for information on proper battery handling, storage, and
transporting.
WARNING
EXPLOSION HAZARD
•
Substitution of components may impair suitability for Class I, Division 2.
•
Do not replace components or disconnect equipment unless power has
been switched off or the area is known to be non-hazardous.
•
Do not connect or disconnect components unless power has been
switched off or the area is known to be non-hazardous.
•
This product must be installed in an enclosure. All cables connected to the
product must remain in the enclosure or be protected by conduit or other
means.
•
All wiring must comply with N.E.C. article 501-4(b).