Pierre, The compliance criteria for abnormal operating and fault conditions are specified in 5.3.8.1 (during the tests) and 5.3.8.2 (after the tests). These specs do not require you to measure SELV voltages during or after abnormals and this is why in many test reports you do not see the SELV limits under this clause.
However, look at 2.2.3 "Voltages under Fault Conditions". This spec requires you to measure the SELV voltages under fault conditions. Therefore, to answer you question, yes, you dio need to measure the voltages uner single fault conditions and make sure it complies with 2.2.3. Best Regards, This e-mail message may contain privileged or confidential information. If you are not the intended recipient, you may not disclose, use, disseminate, distribute, copy or rely upon this message or attachment in any way. If you received this e-mail message in error, please return by forwarding the message and its attachments to the sender. PETER S. MERGUERIAN Technical Director I.T.L. (Product Testing) Ltd. 26 Hacharoshet St., POB 211 Or Yehuda 60251, Israel Tel: + 972-(0)3-5339022 Fax: + 972-(0)3-5339019 Mobile: + 972-(0)54-838175 http://www.itl.co.il http://www.i-spec.com -----Original Message----- From: Pierre SELVA [mailto:[email protected]] Sent: Thursday, August 29, 2002 11:08 PM To: Forum Safety-emc Subject: Abnormal test and SELV / 60950 Hi all, When abnormal tests are performed against clause 5.3 of IEC 60950 3rd ed, do we have to measured the SELV voltage to be sure they are in the limits as defined in case of first default. I never seen reports where it's done, but I've performed tests where these voltage were outside the SELV values. What is your opinion on this matter ? Thanks a lot for your answers, Pierre Selva eLABs (emc, safety, radio, eco-design - product regulations) 1 rue des Essarts 38610 GIERES - FRANCE e-mail : [email protected] ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list" ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
