Boxford 125 lathe Tool Changer Comp FERROR (SOLVED)
I've been struggling for over a year with this project. I'm finding that there is a lot of information regarding Linuxcnc but its scattered all over the place in a matter that makes it very difficult to work out what to do with it. I think its a very capable and impressive system , but probably the worst thing I've ever encountered in thirty years in terms of guidance on how to use. There is just to much stuff to wade through in order to simply understand the basics of how it all works. I think there is to much assumption that every one is a Linux coding expert. However, I'm starting to get to grips with it.
It's taken me this long to even find out that you have actually got this ATC to work, as your thread didn't bubble to the surface until Andy pointed me to you.
Thanks for your help so far, and sharing your work
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So if .ini & .hal are set up correctly, is this all that is required for the turret to rotate at the command of M6?
I'm assuming that 'toolchange.comp' handles the messages, or are there other things that are required?
I can't see anything else that has changed after issuing HALcompile.
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You need, as a minimum, these connections:
loadrt toolchanger
addf toolchanger servo-thread
net tool-change iocontrol.0.tool-change => toolchanger.toolchange
net tool-changed iocontrol.0.tool-changed <= toolchanger.toolchanged
net tool-number iocontrol.0.tool-prep-number => toolchanger.toolnumber
net tool-oldnumber iocontrol.0.tool-number => toolchanger.currenttoolnumber
net apos-cmd toolchanger.position-cmd => stepgen.2.position-cmd
net toolchanger-stepgen-fb <= stepgen.2.position-fb => toolchanger.stepgen-pos-fb
net tool-prepare-loopback iocontrol.0.tool-prepare => iocontrol.0.tool-prepared
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#### CONNECT TOOLCHANGER.ENABLE AND STEPGEN.n.ENABLE TO THE SIGNAL YOU WANT
net ATC-enable <= YOURPIN => toolchanger.enable => stepgen.2.enable
Yet, this isn't present in Clive's .HAL file ?
Also, what is YOURPIN supposed to mean?
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Instead of using the '.emc-enable-in' I borrowed ' iocontrol.0.lube' because the other was already being used.
So I have:
net ATC-enable <= iocontrol.0.lube => toolchanger.enable => stepgen.2.enable
Am I correct in thinking you are borrowing this iocontrol.0.lube Pin as a signal channel ?
The footer of my HAL file for my Boxford 160 now reads:
loadrt toolchanger
addf toolchanger servo-thread
net tool-change iocontrol.0.tool-change => toolchanger.toolchange
net tool-changed iocontrol.0.tool-changed <= toolchanger.toolchanged
net tool-number iocontrol.0.tool-prep-number => toolchanger.toolnumber
net tool-oldnumber iocontrol.0.tool-number => toolchanger.currenttoolnumber
net apos-cmd toolchanger.position-cmd => stepgen.2.position-cmd
net toolchanger-stepgen-fb <= stepgen.2.position-fb => toolchanger.stepgen-pos-fb
net tool-prepare-loopback iocontrol.0.tool-prepare => iocontrol.0.tool-prepared
net ATC-enable <= iocontrol.0.lube => toolchanger.enable => stepgen.2.enable
Works fine so far. I'll give it a good testing
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Try swapping one set of coils over on the stepper A or B.Turret rotating wrong way
Or try changing the sign on this line setp stepgen.2.position-scale 33.446
to setp stepgen.2.position-scale -33.446 (but use your number in scale)
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Not exactly sure what you are doing there but the idea of toolchanger.enable is to connect it to a signal that reflects the state of the machine enable (eg you would not want it enabled if the machine was in estop)net ATC-enable <= iocontrol.0.lube => toolchanger.enable => stepgen.2.enable
Am I correct in thinking you are borrowing this iocontrol.0.lube Pin as a signal channel ?
Note that if you want to reuse a signal then you need to use the same signal name. So if your 'iocontrol.0.emc-enable-in' pin was already connected like this:
net yoursignalname <= iocontrol.0.emc-enable-in ...
then you can connect it to another pin by connecting that pin to the same signal:
net yoursignalname => toolchanger.enable => stepgen.2.enable
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Turret is moving 90degrees per each movement and not 45..
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