Encoder ppr?

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13 Jun 2018 07:25 #112274 by billykid
Replied by billykid on topic Encoder ppr?
I used these:
HEDR-55L2-BY07 3600 ppr 14400 cpr. with the 7i40 hbridge the positioning accuracy is + or - 0.001 mm, which is not possible with an encoder with less resolution I think.
closed loop servo-thread 8khz
pay attention, however, that the maximum frequency of these encoders is 320 khz,
for me it's fine because I go to more than 100 mm / s
regards
Mauro
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13 Jun 2018 09:12 #112276 by CNCDoc
Replied by CNCDoc on topic Encoder ppr?
The highest frequency seems to be 300 kHz on the COLT encorders.
Certainly, is the correct type of output on these transducer sensors?

Model GHST58-06-G-3600-B-M-T-5- may work


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13 Jun 2018 09:26 #112278 by andypugh
Replied by andypugh on topic Encoder ppr?
I am not clear if the "highest frequency response" refers to the maximum count rate or to the acceleration tracking rate. If these are simple optical encoders then it is unambiguous, but the magnetic ones seem to run a dpll internally and _that_ has limited bandwidth.
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13 Jun 2018 09:30 #112279 by tecno
Replied by tecno on topic Encoder ppr?
CALT 3600ppr 5000 pulse 6mm shaft servo flange optical encoder
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