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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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LTPH245 데이터시트(PDF) 21 Page - Seiko Instruments Inc |
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LTPH245 데이터시트(HTML) 21 Page - Seiko Instruments Inc |
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21 / 64 page  3-8 3.4.2 Motor Timing Refer to the timing chart in Figure 3-5 when designing the control circuit and/or software for starting and stopping the motor. Also take note of the following precautions: Precautions for Designing the Motor Control Circuit and Software (1) Stop step To stop the motor, excite for a single step period with a phase that is the same as the final one in the printing step. (2) Pause state In the pause state, do not excite the step motor to prevent the motor from overheating. Even when the step motor is not excited, it maintains a holding force to prevent paper from sliding. (3) Start step To restart the motor from the stop step, shift the motor into the printing sequence. To restart the motor from the pause (no excitation) state, shift the motor into the printing sequence after outputting a single step of a phase that is the same as that of the stop step. Figure 3-5 Motor Start/Stop Timing STOP STEP PH2 PH1 PRINT STEP PRINT STEP H L L H H L L H PAUSE STATE START STEP PH3 PH4 1 DOT LINE |
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