On 15 June 2012 06:58, Viesturs Lācis <viesturs.la...@gmail.com> wrote:
> Unfortunately it requires relatively larger power supply with higher > current output. This is a problem with motors like the Keling ones, with a 48V rated voltage. It is far simpler to make a 300V PSU than a 48V one. Simply rectifying mains voltage into a big capacitor makes a PSU that the 8i20 is happy with. Those Keling motors have a 500V / 1 min rating. I don't know if that meas that they can run indefinitley on a 300V PWM (with a 48V "average" or not). In the US I suppose a rectified-mains PSU would be around 150V which sounds more reasonable. (only 3x rated voltage, and it is conventional to run steppers at that sort of overvoltage) -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
