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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS5047D датащи(PDF) 21 Page - ams AG |
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AS5047D датащи(HTML) 21 Page - ams AG |
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21 / 40 page  ams Datasheet Page 21 [v1-07] 2016-Apr-27 Document Feedback AS5047D − Detailed Description UVW Commutation Interface The AS5047D can emulate the UVW signals generated by the three discrete Hall switches commonly used in BLDC motors. The UVWPP field in the SETTINGS register selects the number of pole pairs of the motor (from 1 to 7 pole pairs). The UVW signals are generated with 14-bit resolution. During the start-up time, after power on of the chip, the UVW signals are low. Figure 32: UVW Signals The Figure 32 shows the UVW signal flow if the magnet rotates in clockwise direction and counter-clockwise direction (DIR=0). In this example the sensor to magnet arrangement is done like shown in Figure 43. With the bit DIR, it is possible to invert the rotation direction. 180° 240° 300° 360° 120° 60° U V W 0° angle Clockwise rotation Counter-clockwise rotation 180° 240° 300° 360° 120° 60° 0° |
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