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Torch Head Breakaway

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Question

Matt Rohrer10 days agoEdited17 comments

Is there a setting to enable the Torch Head breakaway input? Input voltage is there from the switch, but doesn't stop the machine when it's triggered.

17 Comments

showing 6–10 of 17
Matt Rohrer8 days ago

Should be online now.

Matt Rohrer8 days ago

My connection a pain, so let me know when your in the shop and I'll connect it.

Travis GillinStaff8 days ago

I'm available now if you want to connect

Matt Rohrer8 days ago

Should be good to connect.

Travis GillinStaff8 days ago

Thanks for bringing the machine online, Matt. We pulled the machine profile and logs and found the exact issue.

The Breakaway Hook checks two conditions:

  • Digital Input 0 is active
  • Torch Output 0 is active

Input 0 has its Toolbar indicator enabled, which is why you can see the breakaway switch changing. However, Output 0 does not have its indicator enabled, so JC3 never receives its live state. The Hook therefore always sees Torch Output 0 as off and never fires.

Under User I/O, enable Toolbar indicator for Digital Output 0 as well, then save and apply the FluidNC configuration.

I also recommend adding the native Torch Off action immediately after Feed Hold, so the sequence is:

  1. Feed Hold
  2. Torch Off
  3. Stop
  4. Run torch_off
  5. Display the recovery message

This ensures the torch output is shut off immediately before the machine completes its controlled stop and recovery sequence.

One other detail from the logs: the Test button in the Hook editor is a dry run. It lists the actions that would execute but intentionally sends no commands to the machine.

Our earlier instructions only mentioned enabling the Input 0 indicator—we missed that the Torch Output condition also requires Output 0 reporting. Sorry about that.

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