Once inside the interface, configuration is broken down into three crucial functional screens. Page 1: Base Parameters
Note: Some resellers (for example, on Alibaba) may provide download links and passwords with your controller purchase. If you bought from a third‑party vendor, check whether the download link was included in your order.
Downloading and installing Votol software is the first step toward fine-tuning your electric vehicle's performance. The software allows you to adjust critical parameters for EM series controllers Download Votol Software
The manual states: “For the IV generation of EM series controller program updates and parameter adjustment can only be done by professional and technical personnel. Non‑professionals do not operate this software” . Take this seriously.
The raw current sent from the controller to the motor windings. Higher phase current equals massive low-end torque, but generates extreme motor heat. 2. Page 2: Motor Parameter Tuning Once inside the interface, configuration is broken down
To apply changes to the vehicle permanently, follow these final steps:
For older, non "-2" series models like the original Downloading and installing Votol software is the first
Navigate to the motor settings tab and toggle the Direction Exchange or Exchange Phase checkbox, then click Write . Safety and Optimization Best Practices
: Connect the controller to your PC using the specific Votol USB data cable. Note the wire colors (typically black, brown, orange, and blue) to ensure a secure fit. COM Port Configuration : Open your computer's Device Manager