Re: [CAD_CAM_EDM_DRO] Re: Print Servers for CNC

On Tue Feb 25 05:15:18 2003 turbulatordude <davemucha@...> wrote:

>Hi Bill,
>
>I'm not sure if I understand your question, but I assume you are
>looking at these as a method of expanding the ports.

Yup, that's it exactly.

>I think it could be workable as the server itself would require at
>least 2 pins to tell which output was being used. unfortunatly, it
>would also mean that only one output could be used at any time. so
>you could not have 2 ports running concurrently.

Wouldn't running all three through a bi-directional bus latch, activated by a
common signal line, with it's own signal(s) work for any simultaneity needed?
In other words, feed each one, then activate them all at once?

>the unit would need to be hacked to see what is a pass thru and what
>is internal control, then find how to switch them. more than likely
>you could get any program to swith them IF (that should be in about
>24 point type) the selection is just a digital state on one or 2
>pins. if it is a serial interface, then the hacking is a lot more
>and then each software vendor would need to add that code.

Hmmm, I'm not that sharp on that level of programming, but the info might be
available from the OEM.

>Interesting idea to say the least.
>
>Dave
>
>
>--- In CAD_CAM_EDM_DRO@yahoogroups.com, ccq@x wrote:
>> The following URLs have a print server on them; That's a 10/100
>ethernet port
>> feeding three parallel ports. Would these be usable for CNC work?
>Would the
>> software be able to access them properly? I would think they'd be
>speedy enough
>> for smaller, slower machines, but.....
>>
>> http://www.pcbay.net/gen3parpor10.html
>> http://www.amastore.com/gen3porparpr.html
>>
>> Bill

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