In message <[email protected]>,
dated Mon, 26 May 2014, Derek Walton
<[email protected]> writes:
I'm trying to a gap analysis for Testing done in 1999 to what they
should be complying with today.
In a nutshell, the product standard never called out dated versions,
and still doesn't,
This is user-unfriendly. While the advantages and disadvantages of dated
and undated references are *nearly* balanced, the uncertainty of the
standards user, faced with a string of undated references, very much
tips the balance for me.
Undated references are OK for standards that aren't related to
regulatory issues, but for EMC and safety standards, I believe all
normative references must be dated.
so I believe I can just compare the test standard active at the time of
the original testing, to what is active now. In so doing, I can develop
a list of areas where the original testing is no longer adequate.
Question 1: Is this the optimum approach? Or, is this an OK way to
validate the product is currently compliant.
Are we talking about Europe or elsewhere? You really need to compare the
*test report* with whatever standard is acceptable now according to the
OJ list. That would be the latest 'notified' version plus any older
version that is still in 'transition'.
So, Question 2. To make life easier, is anyone aware of a summary of
changes between each version? Otherwise I see myself going through each
standard one at a time: a laborious prospect now the weathers turned
nice.
Some IEC/CISPR standards are available in 'redline' versions that show
the text changes from the previous edition. See the IEC web site for
more information.
Third-party summaries can be risky insofar as they tend to paraphrase
the actual changed wording, perhaps not mentioning new Notes or
cross-references, and that might be critical for your product. They also
don't usually mention changes to normatively referenced standards.
--
OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk
Nondum ex silvis sumus
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK
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