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At which DC bus voltage DBR (Dynamic Braking Resistor) triggers in Lexium 32 drives

Published date: 29 July 2018

Braking resistor switch on voltage is fixed by hardware and it is not configurable in LXM32.
For LXM32___M2 range threshold is 430 vdc if parameter DCbus_compat  = 0 (default) and 395 vdc if parameter DCbus_compat = 1
For LXM32___N4 range threshold is 780 vdc irrespective of parameter DCbus_compat settings.

 

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