On Fri, 26 Jul 2013, Andrew wrote: > Date: Fri, 26 Jul 2013 22:38:55 +0300 > From: Andrew <[email protected]> > Reply-To: "Enhanced Machine Controller (EMC)" > <[email protected]> > To: "Enhanced Machine Controller (EMC)" <[email protected]> > Subject: Re: [Emc-users] Two phase BLDC motors > > 2013/7/26 andy pugh <[email protected]> > >> On 26 July 2013 19:39, Ralph Stirling <[email protected]> >> wrote: >>> That little board doesn't have any heat sinking >> >> I think it has a huge one on the back? >> > > Not so huge (5x5cm), and it looks like it contacts with the board, not the > chips. But say 25A current produces 10W heating, that sink looks enough. > > OK, let's say bldc (or other comp) produces amplitude and sign for 2 > phases. Which MESA FPGA firmware can turn amplitude into PWM? Or > amplitude/sign into LPWM/RPWM for this board? > > Andrew
Any Hostmot2 firmware with a standard PWMgen should be able to do this (PWM mode 2 = up/down mode) Peter Wallace Mesa Electronics ------------------------------------------------------------------------------ See everything from the browser to the database with AppDynamics Get end-to-end visibility with application monitoring from AppDynamics Isolate bottlenecks and diagnose root cause in seconds. Start your free trial of AppDynamics Pro today! http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
