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There are several EDM machines using LinuxCNC on youtube, BaxEDM is one of them who builds and sells complete machines.
For retrofit, check if the existing drives and motors work and what control signal they accept, usually step/dir or analog +-10V.

Did you ever finish your retrofit? I have a Sodick that needs the same, I made a spark generator that seems to work so I am now ready to start the machine control part. I would benefit from your experience!

Aciera wrote:

Not sure but what you can do is this:1. Open you config the way you are used to.2. Close linuxcnc3. open terminal and run (note the minus letter 'L' which should automatically open the last config you used):

linuxcnc -lPlease see attachment, afterwards, the came out Gmocapy screen still not okay

Start a new topic for that.

Maybe have a look at this:
forum.linuxcnc.org/10-advanced-configura...-axis-display#314070

For testing the individual inputs, setting them to single ended mode
allows you to test each signal by simply grounding the A+,B+,IDX+
inputs

if you jumper the 7I76 for TTL/single ended mode,
you can test each input by simply grounding each
encoder+ input (TB3 pins 7,10,13 = A,B,IDX) and
watching them in halshow.
 

W4, W5, W6 are in the right hand position. Mode is differential.

Hi, I am playing with qtdragon_hd and cannot seem to get a fourth rotary axis (XYZB) working in the preview in the way I would like. At the moment, in the simulation samples in the latest 2.9.3 release such as "qtdravon_hd_xyza", the rotary A-axis rotates the spindle. But in my setup, I want to rotate the stock. I've tried changing the "trivkins" in the INI file to other options, but then the machine doesn't even turn on for some reason! Does anyone have a working example they could share where the stock rotates rather than the spindle? Thanks! 

if you jumper the 7I76 for TTL/single ended mode,
you can test each input by simply grounding each
encoder+ input (TB3 pins 7,10,13 = A,B,IDX) and
watching them in halshow.

 

PCW wrote:

Are the glass scales differential out or single ended?

The 7I76 encoder input needs to be jumpered to match the encoder type

Output Signal: EIA-422
The glas scales works fine, no problems on 7i85

 

Not sure but what you can do is this:

1. Open you config the way you are used to.
2. Close linuxcnc
3. open terminal and run (note the minus + letter 'L' which should automatically open the last config you used):

Hmm. Could some one point me how to configue dual corexy ? For each side separate axis.