the amps that I built had a boot strap that required charging.. I also never had issues with it not charging at startup. I figured there was enough dithering that everything 'just worked' tm
sam On 1/13/2011 11:56 AM, Anders Wallin wrote: >> I believe there are a few people using the Pico Systems brush PWM servo >> amp with >> mesa controller boards. > We are using this combination on our mill. I'm not using any special > boot-up HAL code for the servo amp. > > When dry-testing the servos on the bench (no load attached), this > boot-up sometimes causes the servo > to spin in one direction, causing a following error. > In practice with a load attached and with a tuned PID-loop there are > no problems. I guess the encoder input is noisy > enough, or the PID-settings are such, that the drive gets the required > boot-up dir/pwm anyway, and with the load attached > this never causes a following error on our mill. > > Anders > > ------------------------------------------------------------------------------ > Protect Your Site and Customers from Malware Attacks > Learn about various malware tactics and how to avoid them. Understand > malware threats, the impact they can have on your business, and how you > can protect your company and customers by using code signing. > http://p.sf.net/sfu/oracle-sfdevnl > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > ------------------------------------------------------------------------------ Protect Your Site and Customers from Malware Attacks Learn about various malware tactics and how to avoid them. Understand malware threats, the impact they can have on your business, and how you can protect your company and customers by using code signing. http://p.sf.net/sfu/oracle-sfdevnl _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
