How to start Hal in interactive mode

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09 Feb 2016 05:00 #69819 by Todd Zuercher
I usually just do incremental jog moves for my movements.
For the trigger I usually set it to normal use the rising edge of the velocity command for the axis I'm testing as the trigger.
I like to plot the velocity command, velocity feed back, and the pid error.

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09 Feb 2016 17:53 #69871 by jamby
Todd, JT

I've got a interactive HalScope session running. Channel 1 is "axis.0.f-error", channel 2 is "axis.0.joint-vel-cmd", channel 3 is "axis.0.joint-vel-fb", and channel 4 is "axis.0.motor-cmd".
Using MDI mode to move X axis back and forth 1.0 inch at a time.

Run Mode is set to "Normal", Trigger is set to "Normal". I have tried all 4 channels as trigger but still don't get anything on the screen.

Do you see what I am doing wrong??
Jim

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09 Feb 2016 18:30 #69874 by BigJohnT
Use the vel pin as a trigger and move the level to just above the blue line so when the vel passes the trigger a trace is recorded... don't worry it took me a while to sort out halscope in my head too.

JT

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09 Feb 2016 18:50 - 09 Feb 2016 19:00 #69876 by jamby
JT

Well now that I finally got something, what do I do with it?

X axis



Then I got this for Y axis


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Last edit: 09 Feb 2016 19:00 by jamby.

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09 Feb 2016 22:38 #69887 by BigJohnT
Zoom in to 200ms the following error.

Look at the screen shots here .

JT

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10 Feb 2016 00:02 - 10 Feb 2016 00:26 #69891 by jamby
NO - these don't look anything like yours. I don't know maybe it will all make sense tomorrow!

Jim





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Last edit: 10 Feb 2016 00:26 by jamby.

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10 Feb 2016 00:37 - 10 Feb 2016 00:38 #69892 by BigJohnT
Time to tune! Make adjustments like the tutorial and observe the results then adjust...

JT
Last edit: 10 Feb 2016 00:38 by BigJohnT.

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10 Feb 2016 00:49 #69894 by jamby
Am I suppose to bring the hump in the line down along the original line?
Jim

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10 Feb 2016 00:51 #69895 by BigJohnT
Yes, you want to reduce the following error as much as you can.

JT

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10 Feb 2016 02:22 #69902 by jamby

I just do a MDI G0 for rapid and a G1 for cutting speed check. So if I'm tuning the X axis I have two MDI's that I click one like this:
G0 X2
G0 X0

JT


What feed rate do use when doing this?
The only way to control the feed is to use a F5.0 or etc.
Jim

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