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From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
09-07-2007 07:45 PM
09-11-2007 06:30 PM
I don't know if this post was overlooked or if you are taking a look at it as I am typing, but I am going to put it to the top because if I am right this could possibly be a serious issue that needs to be investigated.
Sorry for bumping, but I think it is important enough for a closer look.
Have a Nice Day.
09-14-2007 02:36 PM
Hi Nestor
I know you are there. I would like to know if you are looking into these circuits I posted. I have not had any response to this inquiry.
Thanks.
09-14-2007 02:47 PM
Lacy, I have been traveling and doing many assignments, so I check from time to time the forums and see if I can contribute on any of them, I will check with Tech Support if this has been assigned and if they are looking into it...
If you have some urgency email them directly: ewbsupport@ni.com
Thanks for making the forums an active technical discussion place...
09-14-2007 02:56 PM
Thanks, Nestor. It is not urgent on my part, but I thought something like this (if my findings are correct) is fairly major since it concerns a whole family of components and that you would want to include that in any R&D as quickly as possible. Would you prefer me to send items like this direct to them instead of the forum? I can do it anyway you would prefer.
I appreciate your time a responses.
Have a Nice Day
Lacy
04-17-2008 07:03 AM
04-17-2008 09:50 PM
I will enclose a screenshot. The only drawback is that the one that is working is one that I created from a model from LittleFuse and you won't actually be able to see it in action, so to speak, other than the voltage measurements I get on the multimeter. I incorporated both files into one schematic. The top multimeter is the one that is working and the bottom multimeter is the one that isn't. Notice that both "pots" are set to the same value. Also this circuit is one that I acquired off the internet from one of the numerous circuit sites so I am pretty sure it has already been tested in the real world.
NI is aware of this problem with the triacs and hopefully will get it resolved.
Here's the picture
09-14-2012 02:58 PM
I know this post started a long time ago. But I'm also having problems with TRIACs in Multisim. Has any got a circuit where they actually got the TRAIC to fire?
09-17-2012 10:23 AM
Cosmo80,
If you're using Multsim V12, then the Triacs (within the original TRIAC family under Diodes group) that you may want to simulate with are
2N6073BG or MAC12HCDG. All other components within the TRIAC family have no models. Note that components that appear green on the schematic have no simulation model (assuming default Multisim settings).
Also if you're using Multisim V12, you may want to consider using the TRIAC component under the SWITCHES family in the Power group. This component uses a model that is more simplistic and works well if the goal is to study general converter behavior and pulse sequencing rather than the details of triggering a triac device. Click the Help button in the TRIAC component to learn more about it.
Thanks,