Hello all. 
Does anyone out there in EMC land know what happened to IEC 61000-4-29:2000
(Dips, & Interruptions on DC Power Ports) 
In the forward it states " the committee has decided that the contents of this
publication will remain unchanged untill 2002, at this date the publication
will be;

Reconfirmed, withdrawn, revised, or amended".  The latest version I can locate
is a BS EN version dated 2001. 
Does anyone know what has happened to this standard ???  It appears it was
never updated. 

It is called out as a required test for NAMUR-21 certification  (a process
control Immunity standard used in the German Chemical & Pharmaceutical
industries).

Some of the test levels are outside the levels & frequencies called out in IEC
61326. 
I need to know the status of the IEC 61000-4-29 document so I can do battle on
the NAMUR 21 requirements. 
For instance,  NAMUR 21 calls out a 61000-4-6 test starting at 10Khz @ 10Vrms,
far above the EN 61326 requirement of 3 Vrms (0.150-80Mhz).

Any insight on this issue will be gratefully received. 
Thanks to all in advance. 
Regards, 
Michael Taylor PE, NCE 
HACH Company 
Loveland, CO 

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