Mesa 7i92 with Benezan Triple Beast - Problem

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27 Oct 2019 14:58 #148887 by PCW
can you post you current hal and ini files?

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27 Oct 2019 15:31 - 27 Oct 2019 15:47 #148890 by toplakd
Attached .hal and .ini
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Last edit: 27 Oct 2019 15:47 by toplakd.

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27 Oct 2019 15:55 #148892 by PCW
I dont see any artiifacts here (LinuxCNC 2.9 jog after homing)



Can you do a similar plot?
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27 Oct 2019 16:16 #148894 by toplakd
I can open the scope and select all 3 chanel as joints 0 1 and 2 but dont know how to make the plot drawing

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27 Oct 2019 16:20 #148896 by PCW
You set the scope for single trace capture and trigger on velocity

you also need to set the trigger position a bit above 0 for positive jog
(Trigger threshold is the dotted line)

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27 Oct 2019 18:00 - 27 Oct 2019 18:25 #148906 by toplakd
Yes, now i see some movement if i jog.

But stil don't know what to print out.
As machine is running normaly with jogging on homed or unhomed axes.
Only issue is with the probe when trigged manualy withing jogging if axis are already homed.
Like for instance you would like too measure the touch sensor height (where it kicks in)
So you jog manualy onto the touch sensor and than, when touch sensor is activated, the Z axis moves upwards a few steps.

Not to be confused with touch off routine. That works flawlesly.
Last edit: 27 Oct 2019 18:25 by toplakd.

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27 Oct 2019 19:20 #148918 by PCW
I think a unexpectedly triggered probe input causes a fault
so you get an immediate stop. Pretty sure this is expected behaviour

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27 Oct 2019 19:28 - 27 Oct 2019 19:31 #148919 by toplakd
It was not so on previous versions. Behavior was same if homed or unhomed.
But I know it was this way, as i recently manualy remeasured the touch probe height on my old configuration and did manualy jog onto it, and there was no reverse after touching it. :)

But cant check the old computer with stepconf anymore as it's also upgraded to new version and stored as spare.

However, i don't find it problematic, but it just seemed weird to see different behaviour if homed or not.
Last edit: 27 Oct 2019 19:31 by toplakd.

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27 Oct 2019 19:43 #148920 by PCW
Yeah the homing thing is unexpected but a probe hit during a jog is a fault condition AFAIK and not something that's in the range of expected usage

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28 Oct 2019 00:48 #148951 by andypugh

hardware_crash wrote: Is it possible to change the Output State for the Relays on the triple beast within the Firmware of the Mesa 7i92 ?
So the relays are off when Linuxcnc isnt running.


I don't think so.

One option might be to add another relay, NC type, in series with the NO relays on the board.
Then if all outputs are high, the NC relay is open, and if all are low, then the NO one os open.
So the only way that the spindle will run then is if LinuxCNC is actively driving two outputs in to different states.

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