On 02/10/2021 10:37 PM, Gene Heskett wrote:
I went to take the bs-1 off its table, and found I can't
take it very far as I have negleted to build a 2nd set of
inline connectors so I can disconnect the encoder and
really take it away. And I've yet to come up with a scheme
to detect that it is plugged in, and if not, disable
linuxcnc's ability to see an error because its not there.
2 of my machines need such a bit of ini and hal magic.
Well, if you have encoder feedback, you'd want to ground the
A and B lines so the encoder counter never detects movement
from electrical noise. And, you'd want to set those axes so
they had to be homed individually, not as part of a
multi-axis homing sequence. Other than that, I don't see
why LinuxCNC needs to know the axis is there or not. Of
course, with open-loop, all move commands will have no
effect, and with feedback, would cause a following error.
Jon
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