Gene Heskett wrote: > Yikes Jon. I have mine set for only 500hz, higher obviously limits the > resolution of the control, at least in my system. I tried 10khz once but > found I only had about 4 or 5 steps from creep to wide open due to the loss > in base thread counts per output hz. > Oh, you can't do this with software. Kasey is using my PWM controller board, which is given a 16-bit count value and then counts out the pulse width with an FPGA at 40 MHz. So, you have 25 ns resolution on the PWM width. Even then, you only get 800 steps at a 50 KHz rate. There typically is NO base thread at all using this system.
Jon ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
