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Re: Step #1 Encoder #RELS

 

The cheaper MKS uses the A1333 encoder. At first people all thought it was the lesser encoder, based on the bits.

Khalid dug down to the truth.

Alex actually bought a pair and did extensive testing.

"On Wed, Feb 5, 2020 at 05:28 PM, Alexander Varakin wrote:
Looking at the datasheets, I see that A1333 has a lower resolution - 12 bits, whereas AS5047D?has 14 bits.?
That is what I thought too, based on the 12bits vs. 14bits specs.?
But the datasheet for the AS5047D says otherwise: 2048 clicks maximum.

Also, in the??there are these lines in the respective header file for each model:

#define A1333_DEGREES_PER_BIT? (360.0/(float)(0x7FFF))
So: 0.0109 degree per bit

#define AS5047D_DEGREES_PER_BIT? (360.0/(float)(0x3FFF))
So: 0.0219 degree per bit

No wonder MKS went with the A1333.

Khalid"
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