CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed!

Posted by erie
on 2004-08-28 13:31:07 UTC
Actually some UPS's output an approximated sine wave, APC SmartUPS and
BEST come to mind.

erie


Andy Wander wrote:

>Not necessarily a problem, just that you will need a pretty big UPS to drive
>your motors.
>
>Also, make sure that your controller power supply can handle being powered
>by a UPS-most (or at least many) UPS's don't put out a sine wave, but rather
>a square wave that "equals" the 120VAC sine wave in RMS power.
>
>Some equipment will not stand this kind of a power source. Also, the square
>waves coming out of the UPS will have a large amount of high-frequency
>energy, which may get through your power supply and into the drive
>electronics-again, tit is a function of how good the filtering is on your
>power supply. Most DC supplies are not designed for filtering out HF energy,
>because the designer plans on having them powered by a pure sine wave.
>
>Also, your motor drives may or may not be able to cope with this stuff, if
>it DOES get through.
>
>Finally, I would think that if your spindle drops out due to a power
>failure, you won't want your axis motors to keep moving. I would think in a
>power supply situation, you would want everything to STOP.
>
>If the spindle was powered by the UPS, then maybe continuing, and doing a
>manual stop and shutdown would work.
>
>Andy Wander
>Verrex Corporation
>
>

Discussion Thread

Keith Clark 2004-08-27 23:42:20 UTC new stepper motors wiring mess... Keith Clark 2004-08-28 06:57:52 UTC Re: new stepper motors wiring mess ?fixed! james_cullins@s... 2004-08-28 07:27:19 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! Harvey White 2004-08-28 07:39:20 UTC Re: [CAD_CAM_EDM_DRO] new stepper motors wiring mess... Keith Clark 2004-08-28 07:40:16 UTC Re: new stepper motors wiring mess ?fixed! Harvey White 2004-08-28 07:40:47 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! R Rogers 2004-08-28 07:53:49 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! R Rogers 2004-08-28 07:54:27 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! Keith Clark 2004-08-28 11:09:53 UTC Re: new stepper motors wiring mess ?fixed! Keith Clark 2004-08-28 11:14:42 UTC Re: new stepper motors wiring mess... erie 2004-08-28 11:23:45 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess... Jon Elson 2004-08-28 11:26:17 UTC Re: [CAD_CAM_EDM_DRO] new stepper motors wiring mess... erie 2004-08-28 11:26:50 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess... Keith Clark 2004-08-28 11:32:49 UTC Re: new stepper motors wiring mess... Andy Wander 2004-08-28 11:47:45 UTC RE: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! Stephen Wille Padnos 2004-08-28 11:54:30 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! Andy Wander 2004-08-28 11:55:02 UTC RE: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess... Stephen Wille Padnos 2004-08-28 12:02:30 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess... erie 2004-08-28 12:22:49 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! Harvey White 2004-08-28 13:00:02 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess... Keith Clark 2004-08-28 13:08:08 UTC Re: new stepper motors wiring mess ?fixed! Keith Clark 2004-08-28 13:10:10 UTC Re: new stepper motors wiring mess ?fixed! Keith Clark 2004-08-28 13:12:42 UTC Re: new stepper motors wiring mess... Andy Wander 2004-08-28 13:14:32 UTC RE: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! Andy Wander 2004-08-28 13:15:41 UTC RE: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess... Keith Clark 2004-08-28 13:27:48 UTC Re: new stepper motors wiring mess ?fixed! erie 2004-08-28 13:31:07 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! Stephen Wille Padnos 2004-08-28 13:46:21 UTC Re: [CAD_CAM_EDM_DRO] Re: new stepper motors wiring mess ?fixed! metlmunchr 2004-08-29 10:05:10 UTC Re: new stepper motors wiring mess ?fixed! Keith Clark 2004-08-29 10:21:40 UTC Re: new stepper motors wiring mess ?fixed!