Скачать или смотреть Encoder Videobytes: Marker Pulse Incremental Encoders from SICK

Incremental encoders output a square wave when the shaft is turned. The Z channel (also called the marker channel) emits 1 pulse per rotation. The marker pulse may be a certain number of degrees of the electrical cycle or a certain number of degrees of the revolution of the shaft. The reason for the different widths of the marker is so that it’s easier for the controller to pick up the pulse. The marker pulse is used a reference or home position in applications.

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