Jim,
Yes, we have worked with this quite a lot. Please feel free to contact me
off-line.

We (TUV Rheinland) are an NRTL, and we have evaluated to this standard and
also the related / parent standards, IEC61511, IEC 61508 (EN 61508) and
their predecessors.

Note, although OSHA recognizes the relevance of [then] ANSI/ISA-S84.01 to
their PSM standard (29 CFR 1910.119), as well as to other situations,
http://www.osha.gov/pls/oshaweb/owadisp
show_document?p_table=INTERPRETATIONS&p_id=23722
 ,
it is not one of the test standards recognized for _listing_ under their
NRTL program.

FYI, the number format has changed (no 'S'), and will change again.
ANSI/ISA-84.01-1996 - Application of Safety Instrumented Systems for the
Process Industries

Also, a new version of the standard was recently approved by the committee
(1 negative vote, appeal pending). Earliest publication as an ISA standard
is probably at least a few months away, and after that, 1 to 4 months for
ANSI publication.

New edition as approved is based closely on IEC 61511. I am told there are
"minor changes" from the IEC edition, and that it adds (in foreword?), a
grandfather clause for existing installations already complying with the
1996 edition, wording based on that of related OSHA regulation  (except
that "SIS" replaces "equipment".)

Assuming it is published this year, it would then be known as
ANSI/ISA-84.00.01-2004 (note, some extra 00's).
Title would change to "Application of Safety Instrumented Systems for the
Process Industries (IEC 61511)". Plan is to publish in three parts,
corresponding to IEC 61511-1 through IEC 61511-3.


Best regards, glyn

TUV Rheinland of North America, Inc.
Product Safety & -Quality
Industrial Machinery Division (Chicago Office)

Glyn R. Garside
Senior Engineer
1945 Techny Rd, Unit 4
NORTHBROOK, IL 60062-5357, USA
Tel  (847)562-9888 ext 25
Fax  (847)562-0688
email [email protected]
http://www.us.tuv.com


                                                                           
             "Sotherden, Jim                                               
             \(GE                                                          
             Infrastructure\)"                                          To 
             <jim.sotherden@ge         <[email protected]>       
             fanuc.com>                                                 cc 
             Sent by:                                                      
             owner-emc-pstc@ma                                     Subject 
             jordomo.ieee.org          ISA S84.1                           
                                                                           
                                                                           
             03/17/2004 12:36                                              
                                                                           
                                                                           
             Please respond to                                             
              "Sotherden, Jim                                              
                   \(GE                                                    
             Infrastructure\)"                                             
             <jim.sotherden@ge                                             
                fanuc.com>                                                 
                                                                           
                                                                           


Hello,
             Has anyone had experience with ANSI/ISA S84.1?  Is there a
NRTL that does the evaluation to this standard?

Thank You

Jim Sotherden
Agency Coordinator/Test Engineer




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