Servo Driver Plasma Retrofit
- tommylight
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27 Jul 2025 17:02 #332432
by tommylight
For a DC motor you would need a reed switch and wind some 5-10 times one of the motor cables around it (not both), wire the reed switch to any input and set it in hal as limit switch or probe.
Replied by tommylight on topic Servo Driver Plasma Retrofit
Yes for a DC motor, no (at least not easy at all) for steppers.Is it possible to use stall force tolerance for z axis home and detecting the sheet metal in qtplasmac?
For a DC motor you would need a reed switch and wind some 5-10 times one of the motor cables around it (not both), wire the reed switch to any input and set it in hal as limit switch or probe.
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- kn612
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27 Jul 2025 23:41 - 27 Jul 2025 23:42 #332450
by kn612
In the hypertherm microedge software that currently controls the table has encoder polarity and dac polarity set to negative for one of the y axis and x axis. Would I need to change the wiring I have going to the 7i97t to reflect that and would that be causing some of my issues?
Replied by kn612 on topic Servo Driver Plasma Retrofit
In the hypertherm microedge software that currently controls the table has encoder polarity and dac polarity set to negative for one of the y axis and x axis. Would I need to change the wiring I have going to the 7i97t to reflect that and would that be causing some of my issues?
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Last edit: 27 Jul 2025 23:42 by kn612.
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- PCW
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28 Jul 2025 00:27 #332452
by PCW
Replied by PCW on topic Servo Driver Plasma Retrofit
There is a basic setup error in the hal file: all PWMgens must be set to use offset mode
for the 7I97/7I97T. Here is an example from the basic7I97 configuration:
for the 7I97/7I97T. Here is an example from the basic7I97 configuration:
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