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tailstock removed when home is run

  • RobotMatic
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07 Sep 2020 13:03 #181150 by RobotMatic
tailstock removed when home is run was created by RobotMatic
in a parallel lathe I want with a limit switch to verify before the home process for the Z axis that the tailstock (contrapunta) is removed.
I can't find the signal in the (axis GUI) that starts in the home process for the z axis or for all the axes.

I can see ......homed
......homing
......unhome

I am looking for the signal that I can read to make an and2 and be able to stop the home process so that it does not take place when the switch is not depressed.
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07 Sep 2020 15:18 #181156 by Aciera
Replied by Aciera on topic tailstock removed when home is run
I found this in the motion manual (V2.8) linuxcnc.org/docs/2.8/html/man/man9/motion.9.html

motion.homing−inhibit IN BIT

If this bit is TRUE, initiation of any joint homing move (including "Home All") is disallowed and an error is reported. By default, homing is allowed in joint mode whenever motion is enabled.

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07 Sep 2020 15:27 #181157 by RobotMatic
Replied by RobotMatic on topic tailstock removed when home is run
Thank you!!!. but I am using 2.7.15. and does not exist in motion. I need another solution to keep the latest version stable.

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07 Sep 2020 15:38 - 07 Sep 2020 15:39 #181158 by Aciera
Replied by Aciera on topic tailstock removed when home is run
Ah, maybe use

axis.N.homing OUT BIT

TRUE if the joint is currently homing


And use your signal for "tailstock present" to trigger an estop? Maybe coupled with a message on screen?

Or maybe

axis.N.amp−fault−in IN BIT

Should be driven TRUE if an external fault is detected with the amplifier for this joint


Not really sure what this does though.
Last edit: 07 Sep 2020 15:39 by Aciera.

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07 Sep 2020 15:41 #181159 by RobotMatic
Replied by RobotMatic on topic tailstock removed when home is run
I will try, thank you !!! I'll tell you how it went

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10 Sep 2020 16:35 #181655 by RobotMatic
Replied by RobotMatic on topic tailstock removed when home is run
dear Aciera !!. Thanks to your help I was able to solve the problem, it's perfect !!! thank you!!!. I have learned a lot !!! regards

and2 in0> homing
in1> switch

out > fault

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10 Sep 2020 16:38 #181657 by Aciera
Replied by Aciera on topic tailstock removed when home is run
You're most welcome. Glad you got it working.

Thanks for reporting back.

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