The topic of the current and future EMC requirements in IEC/EN 61326-x seems to be one of interest to the community. For interested parties that are attending the 2009 EMC Symposium in Austin (http://www.emc2009.org/ <http://www.emc2009.org/> ), I am happy to setup a meeting so that we can discuss the topic in more detail. Please send an email directly to me if you would like to participate. Let me know if you have any particular schedule constraints.
For those unable to attend the symposium, you can either send me an email directly with your comments or continue to post to this email list. For those interested in seeing/reviewing any draft revision, send me an email and I will forward the document when it is available. Regards, Ross Carlton Sr. EMC Engineer National Instruments (512) 683-6392 [email protected] From: "Ralph McDiarmid" <[email protected]> To: "IEEE EMC & SAFETY PSTC" <[email protected]> List-Post: [email protected] List-Post: [email protected] List-Post: [email protected] Date: 06/08/2009 07:02 PM Subject: RE: EN61326-1: 2006 Sent by: [email protected] ________________________________ It would at least bring it into agreement with the requirements of both the residential and industrial 61000 generic immunity standards. (4kV contact, 8kV air) Ralph McDiarmid, AScT Compliance Engineering Group Xantrex Technology Inc. From: [email protected] [mailto:[email protected] <mailto:[email protected]> ] On Behalf Of Doug Kramer Sent: Monday, June 08, 2009 3:41 PM To: IEEE EMC & SAFETY PSTC Subject: RE: EN61326-1: 2006 The question I then raise is, why? Since the standard has been that way for some time (pre 2000), has there been an interference or safety issues raised by the current levels? If it is to just bring it in line with standards that is really not a technically sound argument. It will force hundreds of manufacturers to spend money again (by my estimate about $500/product for testing and reports) after they just finished spending coming in line with the above 1GHz RF immunity requirement. My opinion. Thanks, Doug From: [email protected] [mailto:[email protected] <mailto:[email protected]> ] On Behalf Of Ross Carlton Sent: Monday, June 08, 2009 4:27 PM To: Gordon,Ian Cc: IEEE EMC & SAFETY PSTC Subject: Re: EN61326-1: 2006 This is a little late, but - I am the U.S. expert assigned to the maintenance team for IEC 61326-1. The disconnect in the required ESD levels for the Basic immunity environment is known. It will be resolved in the next revision of the standard - currently in progress - that should come out in late 2010 or early 2011. Unfortunately, the solution will be to increase the air discharge requirement from 4kV to 8kV to be in line with the rest of this standard as well as the generic standards. Regards, Ross Carlton Sr. EMC Engineer National Instruments (512) 683-6392 [email protected] From: "Gordon,Ian" <[email protected]> To: "IEEE EMC & SAFETY PSTC" <[email protected]> List-Post: [email protected] List-Post: [email protected] List-Post: [email protected] Date: 05/18/2009 06:21 AM Subject: EN61326-1: 2006 Sent by: [email protected] ________________________________ All There seems to be a typographical error in Table 3 of the above standard where the levels specified for ESD testing in controlled environments are given as 4kV/8kV (air/contact). However the level for the same test given in Table 1 which refers to Basic Immunity Requirements is only 4kV/4kV (air/contact). This seems wrong since the controlled EM environment would be inherently less severe. Does anyone else believe this to be the case? 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