> -----Original Message----- > From: John Kasunich [mailto:[email protected]] > Sent: den 13 april 2009 20:04 > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] [OT] AC Solid State Relay > > Lars Andersson wrote: > > Also when driving highly inductive loads you want to start triggering > at > > voltage maximum and then inject a shower of pulses into the gate for > maybe > > 45 degrees. Otherwise the SCR/Triac main current might not have risen > enough > > at the end of the first trigger pulse to sustain conduction. If we > try with > > a 45 deg. long trigger pulse we might overload the gate so a burst of > short > > pulses is best. > > > > Just to clarify for the original poster: > > The device in question is a simple opto-triac. Pulse gating is not > required. Just turn on the LED when you want the load to turn on, and > turn it off when you want the load to turn off. > > Regards, > > John Kasunich
Sorry, should have read the whole thread. I was carried away by seeing one of my favorite topics. // Lars ------------------------------------------------------------------------------ This SF.net email is sponsored by: High Quality Requirements in a Collaborative Environment. Download a free trial of Rational Requirements Composer Now! http://p.sf.net/sfu/www-ibm-com _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
