All Guides Limits & Derating udcmax
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Limits & Derating

How to Tune udcmax on ZombieVerter VCU

Maximum DC voltage (overvoltage derating).

Quick Reference

Param ID

43

Unit

V

Range

0 — 1000

Default

520

📖 What Does It Do?

Maximum DC voltage (overvoltage derating).

🎯 Recommended Values

Default value: 520

Valid range: 0 to 1000

Tuning Strategy

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

💡 Tuning Tips

Set to your pack's max charge voltage + small margin.

96s × 4.2V = 403V → set to ~420V.

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🔗 Related Parameters

Other parameters in the Limits & Derating category that work together with udcmax: