CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Re: SS Relays - Revisited

on 2003-12-16 05:42:47 UTC
Phil, I have a customer with the Hypertherm plasma machine and we us a 2
amp sensitive coil relay for the trigger with no problems.
Jim
----- Original Message -----
From: "Moore" <pminmo@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, December 15, 2003 11:51 PM
Subject: [CAD_CAM_EDM_DRO] Re: SS Relays - Revisited


> A mechanical relay isolates also as long as the contacts are not
> wired back to the coil signals in some method. The only issue I
> would potentially have with an automotive relay is if the trigger is
> truely high impedance, over time the contacts may not clean and
> eventually you won't get electrical contact. i.e. no trigger
> I'm just not familiar with plasma triggers. But between the
> automotive relay and the high current ssr, I get the impression there
> is some significant current flow. That doesn't fit with a high
> impedance input, unless it is capacitive in nature thus a high
> initial current.
>
> Phil
>
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Discussion Thread

Jack Hoffa 2003-11-20 14:26:59 UTC SS Relays Egroupscdh (E-mail) 2003-11-20 15:22:40 UTC RE: [CAD_CAM_EDM_DRO] SS Relays Alan Marconett KM6VV 2003-11-20 15:55:32 UTC Re: [CAD_CAM_EDM_DRO] SS Relays James Cullins 2003-11-20 17:55:46 UTC Re: [CAD_CAM_EDM_DRO] SS Relays mrpootoo 2003-11-21 11:55:06 UTC Re: SS Relays Harvey White 2003-11-21 13:16:28 UTC Re: [CAD_CAM_EDM_DRO] Re: SS Relays Erie Patsellis 2003-11-21 13:25:02 UTC Re: [CAD_CAM_EDM_DRO] Re: SS Relays Jon Elson 2003-11-21 20:58:40 UTC Re: [CAD_CAM_EDM_DRO] Re: SS Relays cutthroatplasmaco 2003-12-12 22:35:21 UTC SS Relays - Revisited Jon Elson 2003-12-12 22:45:49 UTC Re: [CAD_CAM_EDM_DRO] SS Relays - Revisited Bob Muse 2003-12-12 23:29:29 UTC Re: [CAD_CAM_EDM_DRO] SS Relays - Revisited Mark Schaaf 2003-12-13 05:57:51 UTC Re: [CAD_CAM_EDM_DRO] SS Relays - Revisited k1hop 2003-12-13 05:58:00 UTC Re: SS Relays - Revisited turbulatordude 2003-12-13 06:18:00 UTC Re: SS Relays - Revisited Moore 2003-12-13 07:03:59 UTC Re: SS Relays - Revisited cutthroatplasmaco 2003-12-13 18:58:54 UTC Re: SS Relays - Revisited Moore 2003-12-13 21:32:43 UTC Re: SS Relays - Revisited cutthroatplasmaco 2003-12-14 20:55:21 UTC Re: SS Relays - Revisited caudlet 2003-12-15 16:13:54 UTC Re: SS Relays - Revisited Moore 2003-12-15 17:23:10 UTC Re: SS Relays - Revisited cutthroatplasmaco 2003-12-15 21:25:16 UTC Re: SS Relays - Revisited Moore 2003-12-15 21:51:52 UTC Re: SS Relays - Revisited james_cullins@s... 2003-12-15 22:29:59 UTC Re: [CAD_CAM_EDM_DRO] Re: SS Relays - Revisited Mark Schaaf 2003-12-15 22:30:27 UTC Re: [CAD_CAM_EDM_DRO] Re: SS Relays - Revisited james_cullins@s... 2003-12-16 05:42:47 UTC Re: [CAD_CAM_EDM_DRO] Re: SS Relays - Revisited info@t... 2003-12-16 21:06:08 UTC Re: SS Relays - Revisited