Re: [CAD_CAM_EDM_DRO] Re: Digital Readout software - packages on the net for Linux

Thanks Ballendo I will look inot that!

ballendo wrote:

>David,
>
>Mach 1 and 2 can also read encoders in DRO mode. And provide the full
>CNC later when desired. In fact Art even posted to this list in the
>files section a DRO OCX. That might get you going more quickly unless
>you're a "penguin" <G>
>
>Hope this helps,
>
>Ballendo
>
>
>--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:
>
>
>>David A. Frantz wrote:
>>
>>
>>
>>>Hi John;
>>>
>>>I didn't know that. In fact I've seen little information on
>>>interfacing EMC to encoders. I would have imagine though that
>>>
>>>
>the
>
>
>>>realtime system would be needed, if this is not so it makes EMC an
>>>
>>>
>even
>
>
>>>more likly candidate.
>>>
>>>
>>>
>>You would have to run the simulation or non RT version of EMC,
>>
>>
>otherwise
>
>
>>it will attempt to run processes under the RT scheduler system. A
>>
>>
>DRO
>
>
>>has no need for RT, as long as you get 3-5 updates a second.
>>
>>
>>
>>>Is there a page you can reference in the EMC documentation to get
>>>
>>>
>me
>
>
>>>started? To be honest EMC would be nice because of the upgrade
>>>
>>>
>path
>
>
>>>that it offers to full CNC, I just never thought about using it as
>>>
>>>
>a DRO
>
>
>>>replacement.
>>>
>>>
>>>
>>>
>>You need an interface to the enocders, specifically an encoder
>>
>>
>counter.
>
>
>>There is a Dan Mauch/Tok Kulaga DRO card, see
>>http://www.timgoldstein.com/kulagadro/dro.html
>>
>>which has driver software in EMC.
>>
>>Or, there is my Universal Stepper Controller board which also has
>>
>>
>drivers
>
>
>>in EMC, and includes 4 encoder counters. See
>>http://jelinux.pico-systems.com/univstep.html
>>
>>I don't think there's a "page" in the EMC docs about this. But, I
>>
>>
>can
>
>
>>sure advise
>>you on what you need to do to make it work, especially with my
>>
>>
>board.
>
>
>>I know most about the DRO functionality because I use it to test
>>
>>
>certain
>
>
>>things in my hardware, such as verifying that the encoder counters
>>
>>
>are not
>
>
>>losing any counts.
>>
>>Jon
>>
>>
>
>
>
>
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