On Tuesday, March 1, 2022 4:27:21 AM EST Les Newell wrote: > > I was not specificaly seeking the monetary cost, more the loss of > > rights, which could be far more costly than the monetary cost. As > > always, keep TANSTAAFL in mind. > > As far as Beckhoff are concerned this isn't a free lunch. Similar to > Mesa they make their money on the hardware. Supporting the software is > simply a cost of doing business. > > Obviously they sell their own hardware but they also charge a royalty > fee for every Ethercat slave device manufactured. For instance > Microchip sell Ethercat device controllers. For each controller chip > they sell, they pay a royalty to Beckhoff. > > Les
So once you've bought the controller, there is no other restriction. And I assume that royalty is 2x per axis, once for each end of the cable. That no doubt makes the cheese more binding. Or can one receiver handle more than 1 axis with acceptable latency? Thanks Les, take care & stay well. 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, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
