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xhThe Star axis (star axis/directional axis) of Siemens surface mount machine CP20A experiences a "directional timeout" error when returning to the reference point, which is a common but requires careful investigation. This axis is responsible for driving the rotation of the sticker head to achieve the selection and positioning of different suction nozzles.
Error 'commutation timeout' means that during the process of returning to the reference point, the system issued a command to rotate the Star axis to its initial position (usually to find a specific mark or notch), but within the specified time, the axis controller did not receive the expected in place signal (usually the Index signal from the encoder or the in place signal from the sensor).
