LinuxCNC is designed to run servos. The stepgens simulate servos and
will throw a following error if they are unable to generate steps at the
commanded rate or acceleration. As Peter says, you probably increase
your stepgen acceleration.
Les
On 04/03/2021 03:17, John Dammeyer wrote:
The Following Error shows up a long way from the home switch. It's the
PageDown key for moving the Knee closer to the spindle that does it.
And flipping between the up/down keys with short knee movements with
the 120 lbs on the table caused the issues.
Recall this is open loop motion with no feedback from the servo other
than if the servo faults which it doesn't. So weight shouldn't matter.
Should it? I removed the fault output from the servo drive so it can't
fault the system.
The comment on the link about Ethernet latency is what interested me.
Again if electrical noise causes retries or delays in the Ethernet
signalling then that could cause this sort of error under heavy load.
John
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