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General Mach Discussion / Retrieving position after an e-stop or other position loss
« on: December 07, 2018, 10:57:34 AM »
Hello,
I'm building my first system using Mach software. It's a custom unit designed and built in house.
I'm using the warp9 ess board and MACH3 now, tho I'm open to mach4 if it makes more sense.
I've got it built and wired up, it's running well.
The drives are Automation direct sureservo units, the 2kw units. They're actually rebranded delta drives, from what I can tell. Fairly basic, but they do have modbus multi-drop communication and can spit out the motor's actual current position, which leads me to my query...
My question is: Can I have mach3/4 read the actual position of the drives after an e-stop or other position error event where mach would otherwise have lost position certainty due to coasting? I'd like to recover from an e-stop/etc without needing to re-home.
Is this a feature that's already written, and/or would it be reasonable for me to add if it isn't?
Thank you
I'm building my first system using Mach software. It's a custom unit designed and built in house.
I'm using the warp9 ess board and MACH3 now, tho I'm open to mach4 if it makes more sense.
I've got it built and wired up, it's running well.
The drives are Automation direct sureservo units, the 2kw units. They're actually rebranded delta drives, from what I can tell. Fairly basic, but they do have modbus multi-drop communication and can spit out the motor's actual current position, which leads me to my query...
My question is: Can I have mach3/4 read the actual position of the drives after an e-stop or other position error event where mach would otherwise have lost position certainty due to coasting? I'd like to recover from an e-stop/etc without needing to re-home.
Is this a feature that's already written, and/or would it be reasonable for me to add if it isn't?
Thank you