Matt: In this case only interlocks can be applicable because practically somebody can get in danger with 3b laser (worse case).
Yuriy Vygovskiy Engineering Design Compliance -----Original Message----- From: Matt Kilkenny <mkilke...@opthos.com> To: emc-p...@majordomo.ieee.org <emc-p...@majordomo.ieee.org> List-Post: emc-pstc@listserv.ieee.org Date: Friday, June 15, 2001 2:08 PM Subject: Laser Safety > > >I have a question on lasers for ITE concerning IEC-825 and FDA requirements. >According to IEC, class 3b lasers have to have safety doors (interlocks). >Can automatic power reduction be used if you are not pumping the laser to a >3b class level of power. In other words, can we not put interlocks on the >system if the 3b laser power has been reduced to a 3a or class 1 level >through microprocessor limitating it? Or is their single fault concerns if >the microprocessor fails? > >Thanks for any help, > >Matt Kilkenny >mkilke...@opthos.com > > >------------------------------------------- >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: > majord...@ieee.org >with the single line: > unsubscribe emc-pstc > >For help, send mail to the list administrators: > Michael Garretson: pstc_ad...@garretson.org > Dave Heald davehe...@mediaone.net > >For policy questions, send mail to: > Richard Nute: ri...@ieee.org > Jim Bacher: j.bac...@ieee.org > >All emc-pstc postings are archived and searchable on the web at: > http://www.rcic.com/ click on "Virtual Conference Hall," > ------------------------------------------- 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: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: pstc_ad...@garretson.org Dave Heald davehe...@mediaone.net For policy questions, send mail to: Richard Nute: ri...@ieee.org Jim Bacher: j.bac...@ieee.org All emc-pstc postings are archived and searchable on the web at: http://www.rcic.com/ click on "Virtual Conference Hall,"
