Re: [CAD_CAM_EDM_DRO] Encoder question

----- Original Message -----
From: "Peter Homann" <groups@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, March 09, 2006 1:06 AM
Subject: Re: [CAD_CAM_EDM_DRO] Encoder question


> Brian,
> I think Rutex sell brushless DC servo drives. http://www.rutex.com
>
> Cheers,
>
> Peter
>
> Quoting BRIAN FOLEY <ka1bbg@...>:
>
> > Ok, thanks i purchased the motors because of price and availability
hoping i
> > could use the encoders. they draw 17 to 40 ma so should be ok on a Gecko
> > drive. the motors are 3 phase brushless and i havent seen but a few
pricey
> > control drives for them with step and drive inputs.
> > 1.5 amp motors that i wouldnt add a 350 dollar drive card for each one,
i'd
> > get 700 ozin motors used and a gecko and be far ahead in the power
> > department. thanks, brian f.
> > ----- Original Message -----
> > From: "Dan Mauch" <dmauch@...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Wednesday, March 08, 2006 8:40 PM
> > Subject: Re: [CAD_CAM_EDM_DRO] Encoder question
> >
> >
> >> First you should check to see what the current drain is for that
encoder.
> >> The G320/340 can only supply 50 ma. Many encoders typically draw
75-125MA.
> >> You can still use them but you would need an external 5V power supply
> >> capable of handling the current for all the servo motors equiped with
> > those
> >> encoders. Then don't forget to add the 470 ohm resistor between the
G320
> >> Enc+ and enc - terminals.
> >> But from your post you are asking for a a step/direction brushless.
servo
> >> amp. Brushless servo motors wouldn't work with the G320/G340's
> >> Dan Mauch
> >> low cost stepper and servo motors.
> >> cases for Gecko drives
> >> kits and assembled 3-4 axis drives
> >> www.camtronics-cnc.com
> >> www.seanet.com/~dmauch
> >> ----- Original Message -----
> >> From: "BRIAN FOLEY" <ka1bbg@...>
> >> To: <Cad_CAM_EDM_DRO@yahoogroups.com>
> >> Sent: Wednesday, March 08, 2006 2:42 PM
> >> Subject: [CAD_CAM_EDM_DRO] Encoder question
> >>
> >>
> >> > Hi, bought some servo motors with "Qeds" encoders, problem is they
are
> > not
> >> > Qeds but Dunkermotoren RE30-2-500+t15v........
> >> > these are 5 volt, incremental square wave 500 pulse per rev with
> > a,b,/a,/b
> >> > quadrature outputs. can i use these for encoder for say a Gecko drive
> >> > using just a,b outputs?
> >> > Any one have a step/direction brushless servo drives for up to 5 amps
i
> >> > might be interested.
> >> > thanks, brian f.
> >> >
> >> >
> >>
> >>
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> 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.
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> 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........
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