I looked at the scope of the EN 62493:2015 standard and was confused by a statement at the end of section 1 scope on page 9 (of the preview). It states “This standard does not apply to built-in components for luminaires such as electronic controlgear.”
What is supposed to be meant by that and why would it not apply? Electronic controlgear is defined in the standard as 3.1.5 electronic controlgear mains-supplied a.c./d.c. to a.c./d.c. invertor including stabilizing elements for starting and operating one or more lamps, generally at high frequency Note 1 to entry: All kinds of igniters, starters, switches, dimmers (including phase control units e.g. triac, GTO) and sensors are not considered as electronic controlgear. e.g. Say we have a LED ‘table lamp’ which is a luminaire with the AC-DC switch-mode power supply for the LED lamp, or perhaps a battery and some voltage regulation for the LED, along with some additional circuity to maybe dim the LED lamp all built in to the base of the luminaire. The LED in a holder above the base, nice shade over it etc. Does that statement in the scope mean none of that electronics in the base has to meet the standard? So if that is the case, and all excluded, what exactly is there left to test for electromagnetic fields? Thanks for any help with my confusion. I’m not being daft am I? (It has been known!) Matthew Wilson, Technical Director, GB Electronics (UK) Ltd. From: Pete Perkins [mailto:00000061f3f32d0c-dmarc-requ...@ieee.org] Sent: 09 April 2018 19:20 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] BS EN 62493:2015 Assessment of lighting equipment related to human exposure to electromagnetic fields Andy, I have not used 62493 so I’m not familiar with the details; I looked it up on the IEC website to get an idea as to what it covered and reported their summary. In reading thru this I see several points here. 1) The broad band radiation up to 300MHz must be for radiated emissions; 2) light itself is very limited in frequency and bandwidth so this must apply to the SMPS which are driving the lamps. Interestingly enough I have seen quite robust Touch Current measurements from LED lighting SMPS; which will eventually be tamed by proper Touch Current measurements which include the up to 1Mhz HF portion allowed by the human body response to HF current. But note that these HF components exist and can give rise to both conducted and radiated emissions; 3) SAR measurements indicate radiated emissions which would apply to LED systems (including their SMPS) which are worn on or close to the human body in their application. Perhaps someone else on this thread has more definite insight into the application and the need for these requirements; it would be good to hear from them. :>) br, Pete Peter E Perkins, PE Principal Product Safety & Regulatory Affairs Consultant PO Box 23427 Tigard, ORe 97281-3427 503/452-1201 IEEE Life Fellow p.perk...@ieee.org<mailto:p.perk...@ieee.org> From: McCallum, Andy <andy.mccal...@mottmac.com<mailto:andy.mccal...@mottmac.com>> Sent: Monday, April 9, 2018 7:52 AM To: Pete Perkins <peperkin...@cs.com<mailto:peperkin...@cs.com>> Subject: RE: [PSES] BS EN 62493:2015 Assessment of lighting equipment related to human exposure to electromagnetic fields Pete Thanks yes it is LED so not an issue. Out of interest what type of lighting does it cover? The exemption list is quite comprehensive. Andy From: Pete Perkins [mailto:peperkin...@cs.com] Sent: 29 March 2018 19:11 To: McCallum, Andy <andy.mccal...@mottmac.com<mailto:andy.mccal...@mottmac.com>>; EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: RE: [PSES] BS EN 62493:2015 Assessment of lighting equipment related to human exposure to electromagnetic fields Andy, Just to clarify: Abstract; IEC 62493:2015 applies to the assessment of lighting equipment related to human exposure to electromagnetic fields. The assessment consists of the induced internal electric field for frequencies from 20 kHz to 10 MHz and the specific absorption rate (SAR) for frequencies from 100 kHz to 300 MHz around lighting equipment. This second edition cancels and replaces the first edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) identification of lighting product types deemed to comply with the standard without the need for test; b) deletion of the need for CISPR-15-compliance as a prerequisite for IEC 62493 compliance; c) inclusion of the consequences of the ICNIPR 2010 guidelines for (up to 100 kHz); d) adding some guidance to the Van der Hoofden test head method to improve reproducibility of results; e) inclusion of compliance demonstration method for products having intentional radiators. Does your lighting product fall under the exemption? :>) br, Pete Peter E Perkins, PE Principal Product Safety & Regulatory Affairs Consultant PO Box 23427 Tigard, ORe 97281-3427 503/452-1201 IEEE Life Fellow p.perk...@ieee.org<mailto:p.perk...@ieee.org> From: McCallum, Andy <andy.mccal...@mottmac.com<mailto:andy.mccal...@mottmac.com>> Sent: Thursday, March 29, 2018 7:28 AM To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: [PSES] BS EN 62493:2015 Assessment of lighting equipment related to human exposure to electromagnetic fields Anyone have any experience of this standard? Do any lighting systems get close to the ICNIRP limits? Any thoughts welcome Andy - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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