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Diagnostic Case Summary

Issues Configuring a VESC with AS5047P Encoder

Resolved

Robotics · Started Nov 11, 2026 · by Pedro

Diagnostics

AS5047P and Motor Configured in Opposite Directions in VESC
Confirmed
AS5047P Encoder and VESC Controller Systems
Confirmed
AS5047P Encoder Noise Due to SPI Errors
Confirmed
AS5047P Encoder Signal Noise and Instability
Confirmed
AS5047P Responding Correctly with VESC but Motor Doesn't Move
Confirmed
AS5047P SPI Errors With VESC Due to Large Wiring Loops
Confirmed
AS5047P Encoder Noise Due to Electromagnetic Interference
Ruled out
AS5047P Encoder Noise Due to Hardware RC Filtering
Ruled out
AS5047P Encoder Noise Due to Incorrect Wiring Mapping
Ruled out

Remedies

Invert the Encoder in the VESC Tool
This worked
Twist Together Wires Connecting AS5047P to VESC
This worked

Diagnostics and Remedies considered but not confirmed

Install Series Damping Resistors on SPI Clock Lines
Remedy considered