Stepper motor not moving :)

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1 year 2 weeks ago #336374 by Dumitrus
Hello! 

I installed LinuxCNC 2.9.4 on a Dell optiplex 790 PC. I attached a parallel port card to the PCI slot and connected a BOB to it. I attached a single  DM556 driver and a 57BYGH76-8 Nema 23 stepper motor to the X axis following the recommendations for the wiring(attached photos) but the stepper motor is not moving. The motor is powered (it's impossible to turn it by hand when the power supplies are connected). I tried to remove the GPU (Gigabyte NVIDIA GeForce GTX 660) but the stepper is still not working but the OS is running better (before this when I tried to do a Latency Test the OS crashed a several times).
Do you have any suggestions?

Thank you,

Adrian

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1 year 2 weeks ago #336380 by Dumitrus
I removed ENA+ and ENA- connections and also in StepConfig I disabled P14 but still the stepper motor is not moving. Before I used the P14 as Amplifier Enable. Thank you!

 

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1 year 2 weeks ago #336387 by Dumitrus
On the stepper driver, the led is green and on the BOB there are 3 red led lights. I have a 36V 11A Stepperonline and a 24V 6A MeanWell power supply. I measured the output of the power supplies and they are working properly. For now, I just connected the X axis to test if the wiring is correctly and to learn to operate LinuxCNC.I also tried with another driver and stepper motor but is the same. Maybe because I didn't connected the Y and Z axis the stepper motor is not moving? Thank you for your time!

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1 year 2 weeks ago #336390 by tommylight
In StepConf wizard, the "parallel port" page there is an entry for "parport base address" so set that to 0x2000 and test if the stepper moves.
If not, also try 0x2010 but it would be good to reboot the PC before testing it.

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1 year 2 weeks ago #336393 by Dumitrus
Parport base address set to 0x2000 is the solution. Now the motor is working! Thank you very much!

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1 year 2 weeks ago #336394 by tommylight
You are welcomed, always.

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