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Forum: Troubleshooting

Thu 18 February 2010, 13:53

Replies: 24

Loosing Steps - underpowered ?

Views: 20,486

Posted By Richards

Claus, having the signals checked 'active low' in...

Claus, having the signals checked 'active low' in Mach3 will cause roughness. (I've had to scratch my head a few times when I've changed between the G202, which uses active low signals, and the G203...

Forum: Troubleshooting

Thu 18 February 2010, 04:55

Replies: 24

Loosing Steps - underpowered ?

Views: 20,486

Posted By Richards

I looked at your 'build' section and noticed in...

I looked at your 'build' section and noticed in the photo from the first page of the posts that you have JP1 on the PMDX-122 set to positions 1-2 (5V) instead of to positions 2-3 (ground). That...

Forum: Troubleshooting

Wed 17 February 2010, 17:54

Replies: 24

Loosing Steps - underpowered ?

Views: 20,486

Posted By Richards

The current set resistors for a PK296A2A-SG7.2...

The current set resistors for a PK296A2A-SG7.2 motor and a G203v stepper driver should be 35k. I use the closest standard resistor, which is 33k, on the motors at my test bench.

The formula is:...

Forum: Troubleshooting

Wed 17 February 2010, 13:48

Replies: 24

Loosing Steps - underpowered ?

Views: 20,486

Posted By Richards

What is your power supply's voltage? Remember...

What is your power supply's voltage? Remember that Current mostly impacts torque and Voltage mostly impacts speed. You stated that your motors were running about 50-C. That seems a little low to...

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