Gert, You mention that there is a conflict, but you don't explain what the conflict is. Can you tell me how the EC definition varies from the definition I quoted from EN 55011?
Sent from my iPhone Doug Nix [email protected] Mobile: (519) 729-5704 > On Oct 18, 2016, at 13:55, ce-test, qualified testing bv - Gert Gremmen > <[email protected]> wrote: > > There is an on-going (silent) conflict between the European commission and a > number of cenelec and cispr committees, notably those responsible > for EN 55032 and EN 55011. > While the EC has expressed their opinion in the generic standards, > and expressed their desire that all product committees comply with > the definitions and limit therein, the market (standard committees) does not > comply to that, > and the EC lacks power (or will) to change that. > Therefore the discrepancy between definitions. > > Note that it’s a rather complex matter as the standards are born as Worldwide > standards (CISPR) and are “common modified” to EN versions. > So CISPR11 (world wide) becomes EN 55011 (Europe harmonised) without > changing the “Industrial” definition. > > > Regards, > > Ing. Gert Gremmen, BSc > > > > [email protected] > www.cetest.nl > > Kiotoweg 363 > 3047 BG Rotterdam > T 31(0)104152426 > F 31(0)104154953 > > Before printing, think about the environment. > > > > Van: Doug Nix [mailto:[email protected]] > Verzonden: dinsdag 18 oktober 2016 18:25 > Aan: [email protected] > Onderwerp: Re: [PSES] Criteria for determining industrial vs. non-industrial > for EMC testing purposes > > My understanding has always been based on the Class and Group designations in > CISPR 11 / EN 55011 for ISM equipment (based on the 2009 edition): > > 5.3 Division into classes > Class A equipment is equipment suitable for use in all establishments other > than domestic and > those directly connected to a low voltage power supply network which supplies > buildings used > for domestic purposes. > > Class A equipment shall meet class A limits. > Warning: Class A equipment is intended for use in an industrial environment. > In the > documentation for the user, a statement shall be included drawing attention > to the fact that > there may be potential difficulties in ensuring electromagnetic compatibility > in other > environments, due to conducted as well as radiated disturbances. > Class B equipment is equipment suitable for use in domestic establishments > and in > establishments directly connected to a low voltage power supply network which > supplies > buildings used for domestic purposes. > Class B equipment shall meet class B limits. > > The key in all of this is the source of power supply for the equipment. If > the equipment is supplied from mains that are shared with domestic > establishments, then it must meet Class B requirements IMO. > > If the equipment is intended for industrial use, i.e., Class A, where the > power supply from the mains is not shared with domestic establishments, then > Class A performance is acceptable. > > The deciding factor is the sharing of the supply with domestic > establishments. If a location is fed from its own substation and there are no > dwellings supplied from that substation, it’s an industrial location, and > therefore Class A. > > Doug Nix > [email protected] > +1 (519) 729-5704 > > On 18-Oct-16, at 08:44, Kortas, Jamison <[email protected]> wrote: > > Good Morning, > > What do you use for criteria when reviewing the intended environment in which > a device will be placed to determine if it is industrial or non-industrial? I > have seen and read varying opinions on what criteria to use. > > It ranges from a transformer isolated factory to the nature of the other > products in the immediate vicinity (a mechanical room in a grocery store = > industrial due to the equipment in its immediate environment). > > I am familiar with some of the definitions in places, but am not so sure that > those are what are typically followed in practice. > > I appreciate any thoughts. > > Thank you. > > > - > ---------------------------------------------------------------- > > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher: <[email protected]> > David Heald: <[email protected]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
