<[email protected]>, [email protected] 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) requires (inter alia ) testing incoming power AC >frequency from 0.95 to 1.05 of the nominal. > >(As you may expect, the requirement is that the EUT must function >"properly" both during and after the tests.)
Noted, thank you. -- Regards, John Woodgate, OOO - Own Opinions Only. Phone +44 (0)1268 747839 Fax +44 (0)1268 777124. http://www.jmwa.demon.co.uk Foxhunters suffer from tallyhosis. PLEASE do not mail copies of newsgroup posts to me. ------------------------------------------- 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: Michael Garretson: [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://www.rcic.com/ click on "Virtual Conference Hall,"
