-------------
Original Text
From: Mekonen Buzuayene@MMDILAB@ACUS, on 9/4/98 9:51 AM:
To: Bailin Ma@MMDILAB@ACUS
Hello Barry,
I agree with both of your respondents indicating that first the generic
standard is open for interpretation and secondly that the generic standard
has precedence over the basic standards. What I would hope in the future
is that the IEC standards committee clears the cloud on next revisions.
Best Regards,
MWB
x4388
---------
From: Bailin Ma@MMDILAB@ACUS, on 9/4/98 9:46 AM:
----------
From: "Jim Hulbert" <hulbe...@pb.com>, on 9/4/98 7:18 AM:
To:
Cc:
What bothers me about the criteria in EN 50082-1 is the provision for the
manufacturer to define the permissible loss of performance. This opens the
door
for the manufacturer to simply relax the product specification to "pass"
the
test. Luckily, our EMC group generally inputs the EMC requirements into
our
product specifications so that we have the opportunity to define reasonable
performance criteria.
Jim Hulbert
Pitney Bowes
______________________________ Reply Separator
_________________________________
Subject: RE: Inconsistency of EN 50082-1 with 1000-4 series
Author: "Bailin Ma" <b...@namg.us.anritsu.com> at SMTPGWY
List-Post: emc-pstc@listserv.ieee.org
Date: 9/3/98 3:50 PM
Hi Richard,
You are RIGHT! I agree with the word "precedence".
It would be the best, I think, if all of them sing at the same tone.
B Ma
-------------
Original Text
From: "WOODS, RICHARD" <wo...@sensormatic.com>, on 9/3/98 1:00 PM:
To:
Cc:
According to the Basic standards, the criteria in the Generic standard
takes
preceident over the criteria in the basic standard, so there really is no
conflict even though they do differ.
> ----------
> From: Bailin Ma[SMTP:b...@namg.us.anritsu.com]
> Reply To: Bailin Ma
> Sent: Thursday, September 03, 1998 12:17 PM
> To: emc-p...@ieee.org
> Subject: Inconsistency of EN 50082-1 with 1000-4 series
>
> Hi group,
>
> There is a paragraph of "6 Performance criteria" on Page 5
of
> EN
> 50082. It describes Performance criterion A, B and C.
>
> On the other hand, there is a paragraph of "9 Test results and
> test
> report" in 1000-4-2, 1000-4-3, 1000-4-4, 1000-4-5, 1000-4-6 and so on. It
> asks us to classify the test results in four classes: a), b), c) and d).
>
> The above A, B and C overlap what a), b), c) and d) are covering.
> Unfortunately, they are not totally consistent. You can find a part of
b):
>
> "temporary ... loss of function ... self-recoverable" in 1000-4 series is
> the same as a part of Performance criterion C: "Temporary loss of
function
>
> ... self-recoverable" in EN 50082-1. As you all know, EN 50082-1 calls
for
>
> 1000-4 series as basic standards.
>
> What do think of the inconsistency?
>
> Thank you.
> Best Regards,
> Barry Ma
>
>
>
>
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