On Mon, 8 Feb 2016 11:23:23 -0800 Jerry Scharf <jsch...@finsix.com> wrote:
> Bertho, > > I agree with the sentiment that it is less than ideal to have something > that certainly has a local microprocessor that then creates an analog out > which you then read in. It's a lossy channel and subject to any number of > problems. That assumes you have the software skills and documentation > necessary to control the beast. > > IMO, lacking a detailed description of the modbus commands, the digital > interface is best used as a door stop. > > jerry I would agree digital modbus should be the first but do not forget the bits per second needed. 115200 bits/second, 1kHz servo loop => 115.2 bits per servo loop equal to around 14 bytes per servo loop excluding overhead then RS-485 is probably half duplex. ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
