Breakaway error

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5 years 11 months ago #188771 by KaleD
Breakaway error was created by KaleD
I'm in Linuxcnc 2.8 and using Gmoccapy. I have a Mesa 7i96 and thcad.

I just built a breakaway for my machine and I keep getting an error. It reads: breakaway switch activated program is paused.
It happens right after the probe and the torch fires for less than a second before the error.
The LED and Halshow don't light up. I can get them to light by manually breaking the torch.
Thanks for any help

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5 years 11 months ago #188777 by snowgoer540
Replied by snowgoer540 on topic Breakaway error
Without seeing your breakaway design, it's hard to say. Post some pictures of what you've got going on.

Is it possible that the pressure from the torch is causing your switch to become un-tripped?

Is your Breakaway LED lit before you start cutting?

You could do a halplot, but I'm sure it will show that the breakaway switch is tripped some time after the torch fires.

Have you tried wiring the breakaway switch out the equation?

Again, not sure how helpful we can be without seeing anything.

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5 years 11 months ago #188784 by KaleD
Replied by KaleD on topic Breakaway error
There are two switches that are depressed by the springs and in open mode. When the torch collides to switches are no longer depressed and a 5v signal is sent to the board.

The breakaway LED is not tripped before I start.

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5 years 11 months ago #188790 by tommylight
Replied by tommylight on topic Breakaway error
That is from EMI interference, so will need shielded wiring and shielding around the switches.
BTW, this is the 5 or 6 topic you started regarding the same machine, and this one is after you have been told to keep everything in one topic! You are making a mess for you and for us who are trying to help as some issues are related and you are presenting them as separate, hence the answers will be messed up.
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5 years 11 months ago #188805 by KaleD
Replied by KaleD on topic Breakaway error
I'll try to shield everything. Thanks Tommy.

I'm sorry about having so many posts. I must not have read the rebuke. I had it in my head that I should be starting new threads. I was wrong.
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5 years 11 months ago - 5 years 11 months ago #188813 by snowgoer540
Replied by snowgoer540 on topic Breakaway error
I guess I missed the other posts. But one thing I do wonder is why you wired them normally open. Industry practice is to wire these sort of safety switches normally closed, so if a wire ever breaks, becomes disconnected, smashed, etc. the machine will fault out and prevent you from further issue....
Last edit: 5 years 11 months ago by snowgoer540.

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