It would seem that with the motion commands to the FPGA coming in "blocks", any short duration interruption would have little effect on the motion.
----- Original Message ----- From: "???" <[email protected]> To: "Enhanced Machine Controller (EMC)" <[email protected]> Sent: Thursday, March 25, 2010 23:06 Subject: Re: [Emc-users] FPGA and Latency > hi,cal: > In my opinion,FPGA card seems to have little connection with Latency > thing. Generally speaking The PC system just give the FPGA card a > command,so how to send pulse (or voltage),and read encoder number is the > duty of FPGA itself.I think that will take little resource of PC.The > Latency > is sth about the character of OS,(also too much work load may also affect > but obviously FPGA board NOT) > > shining > > 3.26 > > 2010/3/26 Cal Grandy <[email protected]> > >> Will someone comment on the PC system requirements in regard to Latency >> numbers when using FPGA cards such as Mesa 7I43, in a three axis stepper >> application? There seems to be so much attention focused on the latency >> issuein the EMC documentation etc. The FPGA cards would seem to take much >> of >> the load off the machine processor. >> >> Have I some disconnected wire (figurative) somewhere? ;-) >> >> Thanks >> >> Cal >> >> >> >> ------------------------------------------------------------------------------ >> Download Intel® Parallel Studio Eval >> Try the new software tools for yourself. Speed compiling, find bugs >> proactively, and fine-tune applications for parallel performance. >> See why Intel Parallel Studio got high marks during beta. >> http://p.sf.net/sfu/intel-sw-dev >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
