User manual

P-6 Preface
1784-6.5.27 - September 1997
CSA Hazardous Location Approval
CSA certifies products for general use as well as for use in hazardous locations. Actual CSA
certification is indicated by the product label as shown below, and not by statements in any user
documentation.
To comply with CSA certification for use in hazardous locations, the
following information becomes a part of the product literature for this CSA-
certified industrial control product.
• This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D, or non-hazardous
locations only.
• The products having the appropriate CSA markings (that is, Class I, Division 2, Groups A, B, C,
D) are certified for use in other equipment where the suitability of combination (that is, application
or use) is determined by the CSA or the local inspection office having jurisdiction.
Important: Due to the modular nature of a programmable control system, the product with the
highest temperature rating determines the overall temperature code rating of a
programmable control system in a Class I, Division 2, location. The temperature code
rating is marked on the product label as shown.
Temperature code rating:
The following warnings apply to products having CSA certification for use in hazardous locations.
WARNING: Explosion hazard--
• Substitution of components may impair suitability for Class I, Division 2.
• Do not replace components unless power has been switched off or the area is known to be non-
hazardous.
• Do not disconnect equipment unless power has been switched off or the area is known to be non-
hazardous.
• Do not disconnect connectors unless power has been switched off or the area is known to be non-
hazardous. Secure any user-supplied connectors that mate to external circuits on this equipment
by using screws, sliding latches, threaded connectors, or other means such that any connection can
withstand a 15 Newton (3.4 lb.) separating force applied for a minimum of one minute.
• Batteries must only be changed in an area known to be non-hazardous.
CL I, DIV 2
GP A,B,C,D
TEMP
CL I, DIV 2
GP A,B,C,D
TEMP