Mesa 7i76e and toolchanger.comp

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25 Apr 2017 00:19 #92019 by PCW
Replied by PCW on topic Mesa 7i76e and toolchanger.comp
The stepgenerator really dislikes step inputs (this is why you have overshoot) so one solution would to feed the position
command through the limit3 component so an actual trapezoidal velocity profile is generated

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25 Apr 2017 00:22 #92020 by mikeross
I'll give that a try - as a quick hint - will that need to be in the toolchanger.comp or can I just reroute it in the hal file?
Mike

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25 Apr 2017 00:24 - 25 Apr 2017 00:24 #92021 by PCW
Replied by PCW on topic Mesa 7i76e and toolchanger.comp
You can just loadrt/addf a limit3 component in your hal file for this
Last edit: 25 Apr 2017 00:24 by PCW.

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25 Apr 2017 00:26 #92022 by mikeross
Thanks - I'll look that up.

Mike

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20 Feb 2021 10:00 #199509 by javanree
Hello Mike
Did you ever get this fully working ? I'm trying exactly the same thing (also a Compact 5 CNC with stepper) and have been struggling for weeks to get anything working...

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20 Feb 2021 16:48 #199541 by andypugh
You could try the "carousel" HAL component, which aims to be able to control the Emco changer.
See also: forum.linuxcnc.org/26-turning/41416-linu...-axis-for-att#198549

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20 Feb 2021 18:10 #199548 by mikeross
Yes and No.
I had it working on a pre2.8 install. Then I did something really stupid and installed 2.8 from the LiveCD download and overwrote my files somehow so I lost the working copy and didn't have a good backup cause I could never get that machine to connect to the internet and its USB ports were inaccessible...enough excuses. I figured that I got it working once before I could do it again (and now the machine is internet connected its a bit easier to search for answers while working on it).
But I didn't get it working yet
Here is the thread where I took this up again,

Issues with toolchanger.comp

I'm going to continue providing my feedback and as necessary asking questions in that thread.

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20 Feb 2021 20:24 #199557 by andypugh

didn't have a good backup


There is a good chance that your original config was backed-up for you in a folder inside the config folder.

Look for {machine}.old.

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