Re: [Emc-users] looking for info on yaskawa servo drive model numbers from morbidelli cnc router

[Scott Harwell via Emc-users]

 Try this link for manual 
https://www.yaskawa.com/delegate/getAttachment?documentId=TSE-S800-16=documents=TSE-S800-16E.pdf
Scott

On Sunday, May 23, 2021, 10:16:31 PM CDT, andrew beck 
 wrote:  
 
 hey everyone

just fixing a large cnc router and need to hack into servos.

I can't work out if the servo drives are able to be controlled with 0-10v

just hoping someone one here has retrofitted similar stuff and has a idea
of where to start.

machine is a A600k machine

servo drives are SGDB -15VDY104

hopefully someone can help

regards

Andrew

___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
  
___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users

[Emc-users] looking for info on yaskawa servo drive model numbers from morbidelli cnc router

[andrew beck]

hey everyone

just fixing a large cnc router and need to hack into servos.

I can't work out if the servo drives are able to be controlled with 0-10v

just hoping someone one here has retrofitted similar stuff and has a idea
of where to start.

machine is a A600k machine

servo drives are SGDB -15VDY104

hopefully someone can help

regards

Andrew

___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] homing off glass scale

[Gene Heskett]

On Sunday 23 May 2021 02:17:28 Roland Jollivet wrote:

> On Sun, 23 May 2021 at 03:31, Jon Elson  wrote:
> > On 05/22/2021 07:12 PM, dave engvall wrote:
> > >> Has anyone tried homing off the reference channel on a
> > >> glass scale? There is information on the web indicating
> > >> that at least some of the chinese glass
> > >> scales mask and compare the 4 lines each side of the
> > >> reference mark in addition to the reference. This might
> > >> imply that the usual homing routine would work.
> > >> I haven't tried this only because I have nothing running
> > >> at the moment capable of doing this.
> >
> > If the "reference channel" produces one pulse at a specific
> > spot on the scale with no other pulses within a few tenths
> > of an inch, you should be able to use it for precise
> > homing.  You'd have a limit switch that would begin the
> > search for index sequence of the homing routine.  Then, it
> > would advance until it saw the pulse from the scale.  Just
> > like the Z mark on a rotary encoder.
> >
> > Jon
>
> I often feel like that I live in a world where cars have three wheels,
> and no-one wants to believe that 4 wheels are better..
>
> So  I don't understand why the reference strip in an encoder isn't
> half black, half clear, along the full length. Now;
> - there is only a single transition that marks the reference point
> - it's always obvious which way to go to find that transition;  0:go
> left 1:go right
> - you don't have to worry (as much) about missing that obscure 'pulse'
> - it will remove the homing dilemma plaguing machinists all over the
> world
>
> What am I missing here?
>
> Roland

Nothing Roland. I do exactly that but with a switch thats closed from its 
hit point clear to the chuck and beyond on my Sheldom lathe for Z 
homing. It's 10" or so from the chuck.  Cheap mini micro switches. $5 
for a bag of 10.  An error from either of the 2 stepper servos unhomes 
the machine as the reset on those requires a driver powerdown achieved 
with an f2 disable that shuts down a pair of 40 amp SSR's killing both 
sides of the 250 volt line. And I have .hal configured to do that. So 
after an error, I pull the tool holder, hit f2 to re-enable and rehome 
the machine which goes not destroy the previously set touch-offs. The 
rehome is within .0002" with those cheap switches, then re-install the 
tool and comtinue where it was interrupted. Whats not to like?

Take care and stay well.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis
Genes Web page 


___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users

Re: [Emc-users] homing off glass scale

[Andy Pugh]

> On 22 May 2021, at 16:12, dave engvall  wrote:
> 
> Hi,
> Has anyone tried homing off the reference channel on a glass scale?

There has been discussion on the forum of one type of scale (distance coded) 
https://forum.linuxcnc.org/12-milling/42195-retrofitting-mikron-wf41c-distance-coded-homing?start=40#209006
___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users

[Emc-users] homing off glass scale

[Roland Jollivet]

On Sun, 23 May 2021 at 03:31, Jon Elson  wrote:

> On 05/22/2021 07:12 PM, dave engvall wrote:
> >
> >> Has anyone tried homing off the reference channel on a
> >> glass scale? There is information on the web indicating
> >> that at least some of the chinese glass
> >> scales mask and compare the 4 lines each side of the
> >> reference mark in addition to the reference. This might
> >> imply that the usual homing routine would work.
> >> I haven't tried this only because I have nothing running
> >> at the moment capable of doing this.
> If the "reference channel" produces one pulse at a specific
> spot on the scale with no other pulses within a few tenths
> of an inch, you should be able to use it for precise
> homing.  You'd have a limit switch that would begin the
> search for index sequence of the homing routine.  Then, it
> would advance until it saw the pulse from the scale.  Just
> like the Z mark on a rotary encoder.
>
> Jon
>
>

I often feel like that I live in a world where cars have three wheels, and
no-one wants to believe that 4 wheels are better..

So  I don't understand why the reference strip in an encoder isn't half
black, half clear, along the full length. Now;
- there is only a single transition that marks the reference point
- it's always obvious which way to go to find that transition;  0:go left
   1:go right
- you don't have to worry (as much) about missing that obscure 'pulse'
- it will remove the homing dilemma plaguing machinists all over the world

What am I missing here?

Roland

___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users