Re: Final EMC Testing In-House

2001-02-26 Thread John Woodgate
of81d18a4a.0bea4c26-on862569ff.0057e...@us.tuv.com, ggars...@us.tuv.com wrote: Do any product standards actually set limits for immunity to supply frequency variations? One that comes to mind (specific to Programmable Controllers [ aka PLC's]) is EN 61131-2 (IEC 61131-2). 6.3.7.1.1 (table 47)

Re: Final EMC Testing In-House

2001-02-26 Thread ggarside
by: marti...@appliedbiosystems.com, 'emc-p...@majordomo.ieee.org' owner-emc-pstemc-p...@majordomo.ieee.org c...@ieee.org Subject: Re: Final EMC Testing In-House

Re: Final EMC Testing In-House

2001-02-23 Thread Pryor McGinnis
:19 PM Subject: RE: Final EMC Testing In-House Joe: You also should budget for: 1. A place to put the test equipment. 2. All the little associated goodies, like cables probes connectors the usual forgotten items. 3. Cost of maintenance and periodic calibration. 4. Somebody to learn how

Re: Final EMC Testing In-House

2001-02-23 Thread John Woodgate
01c09d74.1acbb9a0.chris.chile...@ultronics.co.uk, Chris Chileshe chris.chile...@ultronics.co.uk wrote: If 1), then I believe you have covered all the tests, assuming supply frequency variations are captured in Voltage fluctuations. Do any product standards actually set limits for immunity to

Re: Final EMC Testing In-House

2001-02-23 Thread John Woodgate
f9d85b6af82bd4119ae800d0b769603b2c6...@kestrel.vgscientific.com, Brian Harlowe brian.harl...@vgscientific.com wrote: Another English pennyworth to add to all the other correspondents. You will need to have the equipment calibrated at least once a year by a NAMAS lab or similar in order to

RE: Final EMC Testing In-House

2001-02-23 Thread Brian Harlowe
Another English pennyworth to add to all the other correspondents. You will need to have the equipment calibrated at least once a year by a NAMAS lab or similar in order to maintain credibility of your measurements!!! Brian Harlowe Thermo V.G. Scientific Tel +44 (0)1342 327211 Fax +44 (0)1342

RE: Final EMC Testing In-House

2001-02-23 Thread Chris Chileshe
Hi Joe, Not sure I've understood your question correctly. Are you asking 1) If there are further tests that need to be added to your list to complete the EMC requirements (excluding of course radiated emissions and immunity) or 2) What extra equipment you need to perform the tests you

RE: Final EMC Testing In-House

2001-02-22 Thread O'Shaughnessy, Paul
Keep in mind that some of these tests call for a rather specific table and floor with grounded planes and very specific distances. When I've seen this done properly, it was an extensive (and possibly expensive) job. Look carefully at the EN documents, particularly the appendices which typically

RE: Final EMC Testing In-House

2001-02-22 Thread Price, Ed
Joe: You also should budget for: 1. A place to put the test equipment. 2. All the little associated goodies, like cables probes connectors the usual forgotten items. 3. Cost of maintenance and periodic calibration. 4. Somebody to learn how to do the testing and operate the equipment.

Re: Final EMC Testing In-House

2001-02-22 Thread John Woodgate
of55390c23.34feabb4-on882569fb.005ea...@pe-c.com, marti...@appliedbiosystems.com wrote: Group, We are planning to perform final EMC testing in-house for the following tests per EN 61326: EN 61000-4-2 ESD EN 61000-4-4 Line Transients EN 61000-4-5 Surge EN 61000-4-6 Conducted Immunity EN