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I don't think so. I think you need a power supply no larger than the servos rated voltage.
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Gecko Motor Voltage? Am I right in my understanding that it doesn't matter if the supply voltage exceeds the maximum servo motor voltage, as long as it's under the 80V Gecko maximum as the G320/G340/G380 act like a switched power supply so the motor will only ever see the appropriate voltage level, as long as they are tuned correctly?
I've got a 65V DC PSU but my motors are rated at 48V max
I don't think so. I think you need a power supply no larger than the servos rated voltage.
Gerry
Mach3 2010 Screenset
http://home.comcast.net/~cncwoodworker/2010.html
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)
From what I have read on servos. You need to stay within +- 5VDC of the rated voltage. If your power supply has a full bridge rectifier, you may be able to change it to a half bridge and get the voltage you need.
Call gecko, they will tell you what you need ask for Mariss or Marcus.
When all is said and done, more is said than done.
Many drive manufacturers specify DC supply 110~120% of motor voltage, there is no direct line between PS and motor, there is a drive in between, higher than specified peak voltage perse on a motor does not damage it, unless allowed to overspeed, RPM is is relative to voltage, so as long as the drive controls both the average voltage and max current level, usually no harm is done.
Here is an exellent article on PS, Drive and motor selection.
http://electronicdesign.com/Articles...ArticleID=7635
Al.
CNC, Mechatronics Integration and Custom Machine Design (Skype Avail).
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.
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