At what DC voltage level does the Brake resistor engage in the ATV900 drives?

Consulter notre FAQ

Issue:
VDC level where the brake resistor is turned on.

Product line:
Altivar Machines, Altivar 900 series

Environment:
All model and serial numbers

Cause:
Determine adjustments for roller miller or other high inertia applications

Resolution:
The resistor will engage at 780VDC on the DC bus. This setpoint is adjustable using the VBR parameter (Brake Level) listed under the Motor Control Menu.
Factory setting for VBR is 780V