On Tuesday 26 July 2016 04:48:51 andy pugh wrote: > On 26 July 2016 at 09:00, Bruce Layne <linux...@thinkingdevices.com> wrote: > > If your VFD will communicate via RS485, you should be able to plug > > an RS232 to RS485 converter (about $8 delivered from Amazon) into > > the serial port > > Or spend $2 and use USB. > https://forum.linuxcnc.org/forum/18-computer/30675-on-motherboard-modb >us-rs485-connection#72351 > > (This is about a hack that I made to one, but it worked as-delivered). > Current eBay price is slightly less than £1.
Looks good but isn't carrying a ground. I see dongles with 3 and 4 terminals or a cable on the far end that I'd assume would allow, if the VFD wants it, both a common ground, and a supply reference. I'll check the VFD later today sometime. If it looks like it can, I'll do it. Thanks Andy. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports.http://sdm.link/zohodev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
