Thanks. I'll check them out. If I find one that does what I want I'll let everyone know. The Other Brian
On Thu, May 20, 2021 at 2:05 PM Brent DeWitt <bdew...@ix.netcom.com> wrote: > Manny brings up a great option. Even if you have no need for actual > circuit simulation. I can recommend SiMterix, LTSpice and MicroSim as > totally free programs that will allow you to create schematics, however, > I'm not so sure that any of those offer open/closed switch symbols. > > From a purely graphic approach,"DIA" is a free alternative to Visio and > allows structured drawings with some pre-defined electrical elements: > > > > Fare well, > Brent DeWitt, AB1LF > > On 5/20/2021 1:42 PM, Manny Barron wrote: > > Hi Brian, > > I have found Spice to be useful for scenarios as you describe, in my case > for EMC/EMI analysis. The program is relatively easy to use and changing > circuit elements and re-running an analysis is simple in my opinion. > > There are several variations of Spice on the market today, but I'm not > sure if you'll find a free version. Ten years ago I purchased T-Spice (I > think that's the name) for about $500 and it worked great for current > in-rush analysis I had to do. > > Recommend doing some web searches on Spice to see what turns up, maybe > you'll find what you're looking for, and who knows, maybe even freeware. > > Regards, > > Manny Barron > > > > > On Thu, May 20, 2021 at 8:53 AM Brian Kunde <bkundew...@gmail.com> wrote: > >> >> I am in need of a simple program for creating simple schematics of Safety >> Circuits in a variety of States. I envision something that I can easily >> insert door switches, relays, button switches, e-stops, fuses, circuit >> breakers, etc.. It would be nice if once laid out, I can simply click to >> change the state of a switch or relay to represent different states of a >> Safety Function. And then save it off in .pdf format. >> >> Does anyone know of some software that will do this for a low cost or >> maybe Free? This is something we will use only a few times a year. >> >> Thanks to all in advance for any information. >> >> Regards, >> The Other Brian >> >> >> - >> ---------------------------------------------------------------- >> >> This message is from the IEEE Product Safety Engineering Society emc-pstc >> discussion list. To post a message to the list, send your e-mail to < >> emc-p...@ieee.org> >> >> All emc-pstc postings are archived and searchable on the web at: >> http://www.ieee-pses.org/emc-pstc.html >> >> Attachments are not permitted but the IEEE PSES Online Communities site >> at http://product-compliance.oc.ieee.org/ can be used for graphics (in >> well-used formats), large files, etc. >> >> Website: http://www.ieee-pses.org/ >> Instructions: http://www.ieee-pses.org/list.html (including how to >> unsubscribe) <http://www.ieee-pses.org/list.html> >> List rules: http://www.ieee-pses.org/listrules.html >> >> For help, send mail to the list administrators: >> Scott Douglas <sdoug...@ieee.org> >> Mike Cantwell <mcantw...@ieee.org> >> >> For policy questions, send mail to: >> Jim Bacher <j.bac...@ieee.org> >> David Heald <dhe...@gmail.com> >> > - > ---------------------------------------------------------------- > > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to < > emc-p...@ieee.org> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in > well-used formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) <http://www.ieee-pses.org/list.html> > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <sdoug...@ieee.org> > Mike Cantwell <mcantw...@ieee.org> > > For policy questions, send mail to: > Jim Bacher <j.bac...@ieee.org> > David Heald <dhe...@gmail.com> > > > - > ---------------------------------------------------------------- > > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to < > emc-p...@ieee.org> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in > well-used formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) <http://www.ieee-pses.org/list.html> > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <sdoug...@ieee.org> > Mike Cantwell <mcantw...@ieee.org> > > For policy questions, send mail to: > Jim Bacher <j.bac...@ieee.org> > David Heald <dhe...@gmail.com> > - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <sdoug...@ieee.org> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>