On 02/08/2015 11:16 AM, Kirk Wallace wrote: ... snip > technology and components to run the PWM at higher frequency. I got a > Leadshine'ish (MA860H from eBay) drive to replace one of my blown out > drives and the current limit is silent, meaning the frequency is > probably above 10kHz. I suppose young'ns may be able to here it. ... snip
By the way, I have a couple MA860H pictures here: http://wallacecompany.com/ma860h/ This is the vendor: http://www.ebay.com/itm/331393094727 (They shipped it right away, but it took a few weeks to be delivered) It is driving an old NEMA 42 motor with a 75 VAC power input, set to 1/4 stepping, from the parallel port with about 80 IPM maximum speed on this machine: http://www.wallacecompany.com/machine_shop/Shizuoka/ -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/ ------------------------------------------------------------------------------ Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
