RE: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
Posted by
Andy Wander
on 2005-01-28 15:19:17 UTC
Yeah, that'll work. I had these nice little PC mount relays that can switch
up to 1A and only take about 10mA at 5V to turn them on, so I used them.
Andy Wander
Verrex Corporation
-----Original Message-----
From: turbulatordude [mailto:dave_mucha@...]
Sent: Friday, January 28, 2005 5:32 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
--- In CAD_CAM_EDM_DRO@yahoogroups.com, Andy Wander <awander@v...>
wrote:
the parallal port, then a transistor from the opto and the transistor
can be a small 2n2222 or even a TIP120 or such.
But, the simplest way is to just use a SSR and save all the problems.
Just make sure the SSR is rated for the thing being driven. Most are
AC only or DC only. so, you cannot use a DC only to drive an AC
motor.
Dave
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up to 1A and only take about 10mA at 5V to turn them on, so I used them.
Andy Wander
Verrex Corporation
-----Original Message-----
From: turbulatordude [mailto:dave_mucha@...]
Sent: Friday, January 28, 2005 5:32 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
--- In CAD_CAM_EDM_DRO@yahoogroups.com, Andy Wander <awander@v...>
wrote:
> Alan:the "control",
>
> I'm talking about the huge inductive "spike" that occurs when
> whether it is a switch, a parallel port pin, or whatever, opens thecircuit.
> This causes a voltage spike that WILL fry transistors!installed
>
> But the OP has indicated that he DID have a suppression diode
> across the coil, so that is probably not the problem.directly;
>
>
> And it is very possible to control relays with the parallel port
> I'm controlling some small 5V relays directly with my parallelport. You
> just nned to make sure that the relays source less current than theport can
> sink(low-active is recommended).Most of us who have made such a circuit drive a opto-isolator from
>
>
>
> Andy Wander
> Verrex Corporation
the parallal port, then a transistor from the opto and the transistor
can be a small 2n2222 or even a TIP120 or such.
But, the simplest way is to just use a SSR and save all the problems.
Just make sure the SSR is rated for the thing being driven. Most are
AC only or DC only. so, you cannot use a DC only to drive an AC
motor.
Dave
Addresses:
FAQ: http://www.ktmarketing.com/faq.html
FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
timg@...
Moderator: pentam@... indigo_red@... davemucha@...
[Moderators]
URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
OFF Topic POSTS: General Machining
If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
http://www.metalworking.com/news_servers.html
http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
bill
List Mom
List Owner
Yahoo! Groups Links
Discussion Thread
bertmantx
2005-01-27 19:07:15 UTC
Getting Parallel port to run relay
Robert Campbell
2005-01-27 19:25:28 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
codeSuidae
2005-01-27 20:02:30 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
lanebarr@b...
2005-01-27 20:07:49 UTC
re:Getting Parallel port to run relay
bertmantx
2005-01-27 20:28:50 UTC
Re: Getting Parallel port to run relay
Stephen Wille Padnos
2005-01-27 20:35:58 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
bertmantx
2005-01-27 20:55:31 UTC
Re: re:Getting Parallel port to run relay
bertmantx
2005-01-27 20:59:10 UTC
Re: Getting Parallel port to run relay
codeSuidae
2005-01-27 21:14:36 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
codeSuidae
2005-01-27 21:40:30 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
JanRwl@A...
2005-01-27 23:39:39 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
JanRwl@A...
2005-01-27 23:43:18 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
jerrydotson32531
2005-01-28 03:25:21 UTC
Re: Getting Parallel port to run relay
Wayne
2005-01-28 03:34:47 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
Andy Wander
2005-01-28 05:20:20 UTC
RE: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
vrsculptor
2005-01-28 06:21:46 UTC
Re: Getting Parallel port to run relay
JCullins
2005-01-28 06:47:32 UTC
Re: [CAD_CAM_EDM_DRO] re:Getting Parallel port to run relay
JCullins
2005-01-28 06:54:04 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
turbulatordude
2005-01-28 07:37:29 UTC
Re: Getting Parallel port to run relay accessing the paralle port
bertmantx
2005-01-28 10:07:02 UTC
Re: Getting Parallel port to run relay
bertmantx
2005-01-28 10:09:31 UTC
Re: Getting Parallel port to run relay
bertmantx
2005-01-28 10:17:51 UTC
Re: Getting Parallel port to run relay
Codesuidae
2005-01-28 10:34:53 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
Alan Marconett
2005-01-28 11:24:23 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
Alan Marconett
2005-01-28 12:02:31 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Andy Wander
2005-01-28 12:28:37 UTC
RE: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Roy J. Tellason
2005-01-28 12:37:22 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Alan Marconett
2005-01-28 13:13:07 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
turbulatordude
2005-01-28 14:32:43 UTC
Re: Getting Parallel port to run relay
Andy Wander
2005-01-28 15:19:17 UTC
RE: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
Scott L Golden
2005-01-28 17:47:35 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Wayne
2005-01-28 18:25:04 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
Andy Wander
2005-01-28 18:50:57 UTC
RE: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Scott L Golden
2005-01-28 19:18:19 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
turbulatordude
2005-01-28 19:54:06 UTC
Re: Getting Parallel port to run relay
Alan Marconett
2005-01-29 10:37:20 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Tom Hubin
2005-01-29 12:40:35 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Tom Hubin
2005-01-29 13:17:49 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
codeSuidae
2005-01-29 13:19:27 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Scott L Golden
2005-01-29 17:00:14 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Raymond Heckert
2005-01-29 18:51:29 UTC
Re: [CAD_CAM_EDM_DRO] Getting Parallel port to run relay
Tom Hubin
2005-01-30 16:07:42 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay
Roy J. Tellason
2005-01-30 16:53:34 UTC
Re: [CAD_CAM_EDM_DRO] Re: Getting Parallel port to run relay