I need to start thinking about how to handle some of the remaining
issues with my Hardinge lathe. Some of the items on my todo list:
Spindle Lock Pin
It has a micro-switch to sense engagement.
I could tie it to the e-stop chain, but that seems a
little drastic.
I would like to display a message and lockout certain events.
Cutoff Slide
It has an extend SSR, retract SSR and limit switch.
I need a new g-code or use an m1xx?
Collet Closer
It has an open SSR and close SSR
I need a new g-code or use m1xx?
Part Chute
It has an extend SSR
I need a g-code or use m1xx?
I am planning on hooking up the SSR's to a second parallel port. Then
telling HAL to connect the pins to signals is pretty straight forward.
The trick is in what functions to connect the signals to. I could really
use some pointers on what methods are used to create custom installs,
new g-codes, etcetera. The document:
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?ToolChangerImplementation
mentions making changes to tkio and iosh, but looking at these files is
like watching the circus through a peep hole, its hard to get the whole
picture. Thanks.
Kirk Wallace
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