Reversed Speed Signal Detected in Travel

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This error occurs when the speed feedback signal from the encoder indicates a reverse direction of travel, but the drive is commanding forward travel (or vice versa). This conflict strongly suggests an encoder wiring error, incorrect encoder mounting, or a faulty feedback device.

• Incorrect wiring of the encoder phases (e.g., A and B phases swapped) to the drive.
• Encoder installed in the wrong physical orientation relative to the motor's expected direction of rotation.
• Faulty encoder unit generating incorrect or reversed direction signals.
• Drive parameter settings for encoder direction or motor phasing are incorrect.

Klikk på steg for å spore fremgangen.

1. 1

   Verify the wiring of the encoder A, B, and Z phases to the drive terminals against the drive manual's specifications.

2. 2

   Check the encoder's mechanical mounting orientation relative to the motor's expected rotation direction.

3. 3

   Command the motor to run in one direction and observe the actual speed feedback direction using the drive's diagnostic tools.

4. 4

   Review and adjust any drive parameters related to encoder direction or motor phasing to match the physical setup.