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Throttle

How to Tune regenBrake on ZombieVerter VCU

Maximum regen when pressing brake pedal. Separate from throttle-lift regen.

Quick Reference

Param ID

122

Unit

%

Range

-35 — 0

Default

-10

🔍 See a sample config →

📖 What Does It Do?

Maximum regen when pressing brake pedal. Separate from throttle-lift regen.

🎯 Recommended Values

Default value: -10

Valid range: -35 to 0

Inverter-Specific Recommendations

Leaf Gen1/2/3 -15

Tuning Strategy

Start with the default value and adjust in small increments. Monitor vehicle behavior after each change before making further adjustments.

💡 Tuning Tips

  • -10%: Mild brake regen
  • -20%: Moderate
  • -35%: Strong

    • START at -10 or -15.

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    🔗 Related Parameters

    Other parameters in the Throttle category that work together with regenBrake:

    potmin

    dig

    Throttle pedal MINIMUM raw ADC value (pedal fully released).

    potmax

    dig

    Throttle pedal MAXIMUM raw ADC value (pedal floored).

    pot2min

    dig

    Second throttle channel MINIMUM (for dual-channel pedals). Leave at 4095 if unused.

    pot2max

    dig

    Second throttle channel MAXIMUM.

    potmode

    enum

    Throttle input mode. Single = one pot. Dual = redundant channels for safety.

    dirmode

    enum

    Direction control mode. How the VCU determines forward/reverse.

    DirChange

    enum

    Restrict direction changes while moving (safety).

    DirChangeRpm

    rpm

    RPM threshold for direction change restriction.

    reversemotor

    enum

    Reverse motor rotation. Set to 1 if motor spins wrong way.

    throtramp

    %/10ms

    Throttle ramp rate. How fast motor responds to pedal. Lower = smoother.
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