Re: [Emc-users] G52 and Fanuc conversion to EMC

[Paul K. <pke...@wo...>]

Never mind on the Fanuc Motor and drive refit. I went through the Fanuc DC 
Servo Unit Manual and found the info I was looking for....

         1. I have the pinout and startup sequence for the connectors and 
drive.

         2. The drive accepts analog VCMD signals.

The only pit fall is the Tach signal being fed to the drive from the 
original control. I don't think it is a big deal though, I read on CNCZone 
that someone just routed the tach feedback straight to the drive instead of 
the control first. From what I see there is no reason it should'nt work. Any 
other thoughts would be appreciated.

Thanks,
      Dave

----- Original Message ----- 
From: "Paul Keeton" <pke...@wo...>
To: "Enhanced Machine Controller (EMC)" <emc...@li...>
Sent: Saturday, March 20, 2010 10:15 AM
Subject: Re: [Emc-users] G52 and Fanuc conversion to EMC


> Thanks Robert,
>
>                   Do you know if anyone might have used the old Fanuc
> drives? If I could reuse mine it could save a big bundle!
>
> Dave
>
> ----- Original Message ----- 
> From: "robert" <ro...@in...>
> To: "Enhanced Machine Controller (EMC)" <emc...@li...>
> Sent: Saturday, March 20, 2010 10:00 AM
> Subject: Re: [Emc-users] G52 and Fanuc conversion to EMC
>
>
>> hi dave
>>
>> the yet to be reelased V 2.4.x has a G10 update which lets you do a
>> incremental shift from a defind point, which works just the same as G52
>> does. this should do what you need todo.
>>
>> see here
>> http://linuxcnc.org/docs/2.4/html/gcode_main.html#sec:G10-L20
>>
>> as i do alot of programing on sheet parts using G52 on fanuc and call
>> the sub program. makes it easy to edit a program also with out reposting
>> it. i have already modded the camworks post to support it with sub calls.
>>
>> robert
>>
>>
>> On 20/03/2010 11:53, Paul Keeton wrote:
>>> A couple of questions -
>>>
>>>            1. Does anyone know when G52 will be available for EMC?
>>>
>>>            2. I will be converting a large 3 spindle profiler to EMC
>>> after my current refit to EMC on another machine is complete. The 3
>>> spindle job currently has a Fanuc 11m control with Fanuc DC drives and
>>> motors. They are the older pwm drives (Not digital). Has anyone ever
>>> connected these drives to EMC? We ran some tests on the bench against 
>>> the
>>> machine production times and EMC cut the program execution times in 
>>> half.
>>> The Fanuc 11 just couldn't process the blocks fast enough (point to
>>> point). We even ran the 11m in "Machine Lock" simulation (no servos, 
>>> just
>>> program processing) so the servos aren't the problem. I have an EMC
>>> control built up with motors and drives on a test stand to run the tests
>>> with for the first project.  On the second project I would like to reuse
>>> the drives and motors if it is possible. Any thoughts on this?
>>>
>>> Congrats to all who work on EMC - It is definitely a contender in the 
>>> CNC
>>> Control market!
>>>
>>>
>>> Thanks,
>>>         Dave
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>>
>> ------------------------------------------------------------------------------
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>> Try the new software tools for yourself. Speed compiling, find bugs
>> proactively, and fine-tune applications for parallel performance.
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>
>
>
> ------------------------------------------------------------------------------
> Download Intel&#174; Parallel Studio Eval
> Try the new software tools for yourself. Speed compiling, find bugs
> proactively, and fine-tune applications for parallel performance.
> See why Intel Parallel Studio got high marks during beta.
> http://p.sf.net/sfu/intel-sw-dev
> _______________________________________________
> Emc-users mailing list
> Emc...@li...
> https://lists.sourceforge.net/lists/listinfo/emc-users
>