Jun 10, 2010 #1 S sigurd.haruto Newbie level 3 Joined May 9, 2010 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location Indonesia Activity points 1,302 why the pin 14 and pin 15 not out ...? causes what? please help me!!!!
Jun 10, 2010 #2 keith1200rs Super Moderator Staff member Joined Oct 9, 2009 Messages 10,865 Helped 2,065 Reputation 4,130 Reaction score 1,596 Trophy points 1,403 Location Yorkshire, UK Activity points 57,270 Pins 14 and 15 give a pulse out one the rising and falling zero crossing point. See page 3 of the data sheet. www.call-n-deal.de/uwe/projekte/stagelightning/pp785/tca785.pdf Keith.
Pins 14 and 15 give a pulse out one the rising and falling zero crossing point. See page 3 of the data sheet. www.call-n-deal.de/uwe/projekte/stagelightning/pp785/tca785.pdf Keith.
Jun 10, 2010 #3 S sigurd.haruto Newbie level 3 Joined May 9, 2010 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location Indonesia Activity points 1,302 keith1200rs said: Pins 14 and 15 give a pulse out one the rising and falling zero crossing point. See page 3 of the data sheet. www.call-n-deal.de/uwe/projekte/stagelightning/pp785/tca785.pdf Keith. Click to expand... but in my project ... the pins 14 and 15 did not issue pulse ... just being in the point 0 .. according to you ,,over-current,, over voltage or other reasons?
keith1200rs said: Pins 14 and 15 give a pulse out one the rising and falling zero crossing point. See page 3 of the data sheet. www.call-n-deal.de/uwe/projekte/stagelightning/pp785/tca785.pdf Keith. Click to expand... but in my project ... the pins 14 and 15 did not issue pulse ... just being in the point 0 .. according to you ,,over-current,, over voltage or other reasons?
Jun 10, 2010 #4 keith1200rs Super Moderator Staff member Joined Oct 9, 2009 Messages 10,865 Helped 2,065 Reputation 4,130 Reaction score 1,596 Trophy points 1,403 Location Yorkshire, UK Activity points 57,270 I would need to see your circuit. Have you built the circuit as on page 13 of the datasheet? Keith.