Re: [CAD_CAM_EDM_DRO] power supply
Posted by
Jon Elson
on 2002-02-03 22:08:43 UTC
JanRwl@... wrote:
main DC motor supply is grounded. If you connect to chassis ground
at several locations, you can have "ground loops" where high currents
may be taking "short cuts" through the ground pin on the power plugs.
If you disconnect a plug, or unplug a cable somewhere, it can start
forcing current through the computer, for instance, causing a lot of
mayhem.
Jon
> In a message dated 03-Feb-02 12:09:31 Central Standard Time,This is not a good idea. It is best to have exactly one place where the
> cncforum@... writes:
>
> > Does the ground leg of the DC output of the bridge rectifier in an
> > unregulated power supply need to be connected to earth?
> >
>
> This has been a way to simplify wiring for decades, to "return" one side of
> the DC-power through the metal housing, which is very often connected to
> "earth", primarily for safety-reasons re the AC-mains, NOT because the
> "electronics" needs to match its Kharma with Mother Earth. Did I
> sufficiently confuse? I did not TRY to do so, promise! Jan Rowland
main DC motor supply is grounded. If you connect to chassis ground
at several locations, you can have "ground loops" where high currents
may be taking "short cuts" through the ground pin on the power plugs.
If you disconnect a plug, or unplug a cable somewhere, it can start
forcing current through the computer, for instance, causing a lot of
mayhem.
Jon
Discussion Thread
wanliker@a...
2001-10-14 12:06:43 UTC
Members
Art Fenerty
2001-10-14 12:51:59 UTC
Re: [CAD_CAM_EDM_DRO] Members
JanRwl@A...
2001-10-14 13:23:28 UTC
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cadcamcenter@y...
2001-10-14 17:38:02 UTC
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Art Fenerty
2001-10-14 18:38:44 UTC
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JanRwl@A...
2001-10-14 18:43:33 UTC
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Art Fenerty
2001-10-14 19:07:52 UTC
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cadcamcenter@y...
2001-10-14 19:19:07 UTC
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Tim Goldstein
2001-10-14 19:57:00 UTC
RE: [CAD_CAM_EDM_DRO] Re: Members
wanliker@a...
2001-10-14 21:08:49 UTC
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cadcamcenter@y...
2001-10-15 06:24:45 UTC
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Tim Goldstein
2001-10-15 07:05:03 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
JanRwl@A...
2001-10-15 09:57:10 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
Alan Marconett KM6VV
2001-10-15 11:30:33 UTC
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Tim
2001-10-15 12:41:25 UTC
RE: [CAD_CAM_EDM_DRO] Re: Members
Art Fenerty
2001-10-15 12:45:31 UTC
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machines@n...
2001-10-15 13:31:45 UTC
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2001-10-15 14:44:04 UTC
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2001-10-15 15:47:26 UTC
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2001-10-15 16:30:21 UTC
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2001-10-15 17:02:57 UTC
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Tom Murray
2001-10-15 18:37:21 UTC
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brian
2001-10-15 19:48:45 UTC
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Sven Peter
2001-10-15 20:37:06 UTC
Re: [CAD_CAM_EDM_DRO]Members
Michael Dhabolt
2001-10-15 20:55:03 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
Jon Elson
2001-10-15 22:04:24 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
Jon Elson
2001-10-15 22:08:18 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
Carol & Jerry Jankura
2001-10-16 06:22:48 UTC
RE: [CAD_CAM_EDM_DRO] Re: Members
Smoke
2001-10-16 07:10:34 UTC
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HighTech
2001-10-16 08:00:31 UTC
RE: [CAD_CAM_EDM_DRO] Re: Members
Jon Elson
2001-10-16 10:16:35 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
Jon Elson
2001-10-16 10:28:58 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
Smoke
2001-10-16 10:29:59 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
cadcamcenter@y...
2001-10-16 10:31:08 UTC
power supply
Bob Campbell
2001-10-16 11:00:09 UTC
Re: [CAD_CAM_EDM_DRO] power supply
Alan Marconett KM6VV
2001-10-16 11:02:42 UTC
Re: [CAD_CAM_EDM_DRO] power supply
Carol & Jerry Jankura
2001-10-16 11:11:20 UTC
RE: [CAD_CAM_EDM_DRO] Re: Members
Art Fenerty
2001-10-16 11:18:49 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
Les Newell
2001-10-16 12:27:16 UTC
Re: [CAD_CAM_EDM_DRO] power supply
mariss92705@y...
2001-10-16 13:11:55 UTC
Re: Members
beer@s...
2001-10-16 13:17:04 UTC
Re: Members
Paul
2001-10-16 14:39:35 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
beer@s...
2001-10-16 15:55:58 UTC
Re: power supply
JanRwl@A...
2001-10-16 16:37:40 UTC
Re: [CAD_CAM_EDM_DRO] power supply
cadcamcenter@y...
2001-10-16 16:51:42 UTC
Re: power supply
mariss92705@y...
2001-10-16 17:26:20 UTC
Re: power supply
mariss92705@y...
2001-10-16 17:30:24 UTC
Re: power supply
Alan Marconett KM6VV
2001-10-16 17:36:19 UTC
Re: power supply
cadcamcenter@y...
2001-10-16 18:42:31 UTC
Re: Members
cadcamcenter@y...
2001-10-16 18:55:21 UTC
Re: power supply
brian
2001-10-16 19:50:52 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
mariss92705@y...
2001-10-16 19:54:17 UTC
Re: Members
Jon Elson
2001-10-16 20:13:13 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
Ron Knittle
2001-10-16 21:36:44 UTC
Re: [CAD_CAM_EDM_DRO] Re: Members
cncforum
2002-02-03 10:04:42 UTC
power supply
Bob Campbell
2002-02-03 11:56:43 UTC
Re: [CAD_CAM_EDM_DRO] power supply
JanRwl@A...
2002-02-03 12:51:23 UTC
Re: [CAD_CAM_EDM_DRO] power supply
Jon Elson
2002-02-03 22:08:43 UTC
Re: [CAD_CAM_EDM_DRO] power supply
ballendo
2002-02-04 07:52:15 UTC
Ground loops and star wiring was Re: power supply
Raymond Heckert
2002-02-04 14:07:25 UTC
Re: [CAD_CAM_EDM_DRO] power supply
Gene
2002-03-07 22:46:13 UTC
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Mike Snodgrass
2002-09-12 05:42:58 UTC
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turbulatordude
2002-09-12 07:07:48 UTC
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bsptrades
2002-09-12 10:18:00 UTC
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mariss92705
2002-09-12 11:10:36 UTC
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Mike Snodgrass
2002-09-12 16:53:46 UTC
Re: [CAD_CAM_EDM_DRO] Re: power supply
Alan Marconett KM6VV
2002-09-12 17:27:55 UTC
Re: [CAD_CAM_EDM_DRO] Re: power supply
Jon Elson
2002-09-12 22:31:29 UTC
Re: [CAD_CAM_EDM_DRO] Re: power supply
Lee Studley
2002-09-13 10:42:48 UTC
Re: power supply
Yesamazza@a...
2002-12-28 21:25:25 UTC
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Robert Campbell
2002-12-29 06:04:49 UTC
Re: [CAD_CAM_EDM_DRO] power supply
turbulatordude <davemucha@j...
2002-12-29 06:51:13 UTC
Re: power supply
Yesamazza@a...
2002-12-29 09:02:08 UTC
Re: [CAD_CAM_EDM_DRO] power supply
turbulatordude <davemucha@j...
2002-12-29 10:37:56 UTC
Re: power supply
Ron Yost
2002-12-29 11:48:43 UTC
Re: [CAD_CAM_EDM_DRO] Re: power supply
RichD
2002-12-29 13:17:26 UTC
Re: [CAD_CAM_EDM_DRO] Re: power supply
turbulatordude <davemucha@j...
2002-12-29 13:52:49 UTC
Re: power supply
Ron Yost
2002-12-29 14:11:42 UTC
Re: [CAD_CAM_EDM_DRO] Re: power supply
Ron Yost
2002-12-29 14:14:51 UTC
Re: [CAD_CAM_EDM_DRO] Re: power supply
Tim Goldstein
2002-12-29 14:34:13 UTC
RE: [CAD_CAM_EDM_DRO] Re: power supply
afogassa
2003-09-08 18:50:44 UTC
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2003-09-10 15:02:44 UTC
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2004-02-01 14:06:37 UTC
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2004-02-01 15:10:07 UTC
Re: [CAD_CAM_EDM_DRO] power supply