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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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GS-C200 Fiches technique(PDF) 28 Page - STMicroelectronics |
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GS-C200 Fiches technique(HTML) 28 Page - STMicroelectronics |
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28 / 31 page  28/31 In fig. 17 the block diagram of a closed loop system is reported. If the step execution is recognized by a movement detector that uses either a slotted disk or the motor velocity coils, two logic signals (x,y) like those re- ported in fig. 18 are available. Figure 17. Closed Loop System. Figure 18. Signal Output of the Movement Detector. Figure 19. Suggested Logic to Close the Loop. It is possible, by using these two signals as inputs (x, y) of the very simple and inexpensive logic circuit reported in fig. 19, to detect the direction of rotation and the step execution. The output of the circuit is then used to condition the step enable input of the GS-C module allowing the step clock pulse to be issued only if the previous step has been executed. GS-C200 / GS-C200S |
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