Remora - ethernet NVEM / EC300 / EC500 cnc board

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2 years 10 months ago #288052 by zmrdko
are you using steppers without feedback?
i think recommended value of P is 1000 for 1000000ns servo thread (500 for 2000000) and ff=1
check the config example of this guy here:
forum.linuxcnc.org/49-basic-configuration/42385-config-steppers

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2 years 10 months ago #288150 by beauxnez
hello, is it possible to make an nvem card work with qtplasmac?

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2 years 10 months ago #288159 by cakeslob

hello, is it possible to make an nvem card work with qtplasmac?

Shouldnt be a problem, the THC would be an encoder module I think, but Im not sure what the plasma output would be, (PWM or analog?) and which is supported

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2 years 10 months ago #288163 by tommylight
Torch ON = digital output (through relay for safety)
ARC OK = digital in , optional as it can also be derived from arc voltage quite reliably
ARC Voltage = encoder input in counter/velocity mode, directly from Mesa THCAD if it can handle 5V, use a resistor for 3.3V input.
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2 years 10 months ago - 2 years 10 months ago #288173 by beauxnez
hello
I made some modifications to see if I can modify the graphical interface from axis to qtplasmac, I get an error message I have to modify other parameters?
Code:
[DISPLAY] #DISPLAY = axis DISPLAY = qtvcp qtplasmac CYCLE_TIME = 0.100 POSITION_OFFSET = RELATIVE POSITION_FEEDBACK = ACTUAL 

I have an error message
Code:
Traceback (most recent call last):File "/usr/bin/qtvcp", line 545, in <module>_qtvcp = QTVCP()^^^^^^^File "/usr/bin/qtvcp", line 261, in __init__window.load_extension(opts.usermod)File "/usr/lib/python3/dist-packages/qtvcp/qt_makegui.py", line 269, in load_extensionmethods, self[obj].handler_module, self[obj].handler_instance = self._load_handlers([handlerpath], self.halcomp, self[obj])^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File "/usr/lib/python3/dist-packages/qtvcp/qt_makegui.py", line 312, in _load_handlersobjlist = h(halcomp, widgets, self.PATHS) # this sets the handler class signature^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File "/usr/share/qtvcp/screens/qtplasmac/qtplasmac_handler.py", line 6099, in get_handlersreturn [HandlerClass(halcomp, widgets, paths)]^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File "/usr/share/qtvcp/screens/qtplasmac/qtplasmac_handler.py", line 229, in __init__float(self.iniFile.find('AXIS_Z', 'OFFSET_AV_RATIO')) * 60^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^TypeError: float() argument must be a string or a real number, not 'NoneType'  p, li { white-space: pre-wrap; }
Last edit: 2 years 10 months ago by beauxnez.

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2 years 10 months ago - 2 years 10 months ago #288291 by beauxnez
tommylight
Code:
[i] [/i] Torch ON = digital output (through relay for safety)ARC OK = digital in , optional as it can also be derived from arc voltage quite reliably ARC Voltage = encoder input in counter/velocity mode, directly from Mesa THCAD if it can handle 5V, use a resistor for 3.3V input.

yes I think that on this side it will not be too difficult for me, the most complicated thing will be to modify the ini file, hal.......
Last edit: 2 years 10 months ago by beauxnez.
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