No unhoming after emergency-stop or limit-sw trigger

Hmm,
seems like the Problem is not yet solved.


VOLATILE_HOME = 1 forces the machine to unhome when manualy switched off ( F2 ).
Means the command is active working. And correct so far.

If a limit switch is trigger the machine, it switches off. But is still homed.
This is not correct.

Do you have any further ideas??

Tom...

I encountered the same problem.
My external Estop disables the servo drives through a saftey relay and triggers the Estop signal in Linuxcnc.
When I press the Estop during a program it seems like the program stops not as fast as the drives.
Therefore the GUI positions do not match the actual positions.

Volatile_Home works for my since Estop is the only condition which causes a difference, but I agree that a unintentional triggered limit should unhome the corresponding axis.
Is there a way to achieve this?

But now I have another problem.

I would like to add a door switch that triggers and Estop so nobody can access the machine while running. But the door switch will also be triggered when the machine is in idle and therefore I would have to home the machine every time the door has been opened.

Is there a way to unhome the axis only when the estop happened while an axis was moving?

For the door, it is better to use feed-inhibit or motion-is-enabled or machine-is-on, of the top of my head, as those do not require homing but should stop the machine.
E-stop should definitely not be used for it.

Thanks, I will look into these parameters!

My thought behind adding it as an E-stop was to have it as part of the safety relay circuit outside of linuxcnc.