Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual - Manual (Page 94)

Publication 1797-6.5.6 - June 2005
20-2 General UL, C-UL Certification Information
Installation in Division 1/
Zone 1 Modules, adapters, and terminal base units must not be exposed to the
environment. Provide a suitable enclosure.
Electrostatic Charge Protect the system against electrostatic charge. Post a sign near each module:
Attention! Avoid electrostatic charge. For your convenience, a sign which
can be cut out and posted is included in this chapter.
UL, C-UL I/O Entity
Parameters If this product has the UL/C-UL mark, it has been designed, evaluated, tested,
and certified to meet the following standards:
• UL 913, 1988, Intrinsically Safe Apparatus and Associated Apparatus
for Use in Class I, II, and III Division 1, Hazardous (Classified)
Locations
• UL 1203, Explosion-Proof and Dust-Ignition-Proof Electrical
Equipment for Use in Hazardous (Classified) Locations
• UL 2279, Electrical Equipment for Use in Class I, Zone 0, 1, and 2
Hazardous (Classified) Locations
• UL 508, Industrial Control Equipment
• CSA C22.2 No. 157-92, Intrinsically Safe and Non-Incendive
Equipment for Use in Hazardous Locations
• CSA C22.2 No. 30-M1986, Explosion-Proof Enclosures for Use in
Class I Hazardous Locations
• CSA-E79-0-95, Electrical Apparatus for Explosive Gas Atmospheres,
Part 0: General Requirements
• CSA-E79-11-95, Electrical Apparatus for Explosive Gas Atmospheres,
Part 11: Intrinsic Safety “i”
• CSA C22.2 No. 14-95, Industrial Control Equipment
Repair Modules are not field-repairable. Any attempt to open a module will void the
warranty and the IS certification. If repair is necessary, return the module to
the manufacturer.
ATTENTION
Modules, adapters, and terminal base units cannot be used
in an intrinsically safe environment after they have been
exposed to non-intrinsically safe signals.
Attention: Avoid electrostatic charge.