One of the big problems I had with a similar setup was the back emf from the motors destroying the driver, especially with a power supply close to the maximum rating. According to the datasheet the driver mosfets arte only rated for 50vdc. It doesent take an awful lot of back emf to push that above 50volts.
The other was setting the motor current and microstepping.
With the driver powered, and no pulses, the motor spindle should be quite tight as the driver tries to hold the motor in position. At least this will tell you the driver is functioning to a point.
The other was setting the motor current and microstepping.
With the driver powered, and no pulses, the motor spindle should be quite tight as the driver tries to hold the motor in position. At least this will tell you the driver is functioning to a point.
Statistics: Posted by john_m0ers — Wed Mar 19, 2025 9:13 am