Have had someone such a problem? July 09, 2015 03:57AM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 09, 2015 05:18AM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 09, 2015 05:29AM |
Registered: 11 years ago Posts: 43 |
Re: Have had someone such a problem? July 09, 2015 06:07AM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 09, 2015 07:17AM |
Registered: 9 years ago Posts: 257 |
Re: Have had someone such a problem? July 09, 2015 07:30AM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 09, 2015 11:02AM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 09, 2015 12:43PM |
Registered: 9 years ago Posts: 124 |
Re: Have had someone such a problem? July 09, 2015 03:59PM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 10, 2015 01:22PM |
Registered: 9 years ago Posts: 1,873 |
I'm not aware of any A4988 that can deliver 4A, nor would many nema 17 motors require that much current. How did you measure the temperature of the driver and motor? Something does not seem to add up here.Quote
Checked current for the motor driver - VREF = 1.57 V, that have to mean: 3.925 A - the absolute max for this driver ( ±2 A)
The driver temperature is 27-30°C, the motors temperature is 28 - 31°C.
Re: Have had someone such a problem? July 10, 2015 01:37PM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 10, 2015 01:50PM |
Registered: 9 years ago Posts: 1,873 |
Re: Have had someone such a problem? July 10, 2015 06:59PM |
Admin Registered: 12 years ago Posts: 1,063 |
Re: Have had someone such a problem? July 11, 2015 12:50AM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 11, 2015 11:42AM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 11, 2015 01:33PM |
Registered: 9 years ago Posts: 425 |
Re: Have had someone such a problem? July 11, 2015 01:48PM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 12, 2015 09:06AM |
Registered: 9 years ago Posts: 59 |
Re: Have had someone such a problem? July 12, 2015 10:56AM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 12, 2015 11:02AM |
Registered: 9 years ago Posts: 27 |
Re: Have had someone such a problem? July 12, 2015 03:35PM |
Admin Registered: 12 years ago Posts: 1,063 |
Quote
DBS
I set all Vref's of all drivers. Now they are max 10% more than by motors specs. This didn't help me.
Re: Have had someone such a problem? July 18, 2015 01:45PM |
Registered: 9 years ago Posts: 27 |