| 摘要 |
An apparatus for determining the status of a motor (301), the apparatus comprising: microprocessor means (307) for determining when the motor (301) has stopped; indicating means (311) for indicating information about the motor under the control of the microprocessor means (307); and a two-way digital data communication interface (313, 319) provided to said microprocessor means (307) to allow data to be obtained from and communicated to said microprocessor means (307).
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