In message <[email protected]>, dated Fri, 5 Dec 2008, Carl Newton <[email protected]> writes:
>This is a computing device with a display and is primarily intended for >use within industrial process control applications. Power interface is >via a field-wired terminal block. But don't you buy in the power supply/supplies? SMPS with active power-factor correction are freely available and the cost uplift is small. Such products are preferred on efficiency grounds, quite apart >from EMC issues, and their harmonic emissions are lower than the limits, mostly much lower. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Either we are causing global warming, in which case we may be able to stop it, or natural variation is causing it, and we probably can't stop it. You choose! John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - 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.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html 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]>
