2-10 Brake Function
Default value: [0] Off Parameter type: Option
Setup: All setups Conversion index: –
Data type: Uint8 Change during operation: True
Select method for dissipation of excess brake energy.
Option Name Description
[0] Off No brake resistor is installed.
[1] Resistor brake A brake resistor is incorporated in the
system for dissipating surplus brake
energy as heat. Connecting a brake
resistor allows a higher DC-link voltage
during braking (generating operation).
The brake resistor function is only active in
drives with an integral dynamic brake.
[2] AC brake
 NOTICE
The AC brake is not as efficient as
dynamic braking with resistor. AC
brake is for VVC+ and flux mode in
both open and closed loop.
Improve braking without using a brake
resistor. This parameter controls an
overmagnetization of the motor when
running with a generatoric load. This
function can improve the OVC function.
Increasing the electrical losses in the
motor allows the OVC function to increase
braking torque without exceeding the
voltage limit.
2-11 Brake Resistor (ohm)
Default value: Size related Parameter type: Range (0.0–6200.0 Ohm)
Setup: All setups Conversion index: -1
Data type: Uint16 Change during operation: False
Set the brake resistor value in Ω. This value is used for monitoring the power to the brake resistor. Parameter 2-11 Brake Resistor (ohm) is
only active in drives with an integral dynamic brake. Use this parameter for values without decimals.
2-12 Brake Power Limit (kW)
Default value: Size related Parameter type: Range (0.001–2000.000 kW)
Setup: All setups Conversion index: -3
80 | Danfoss A/S © 2024.01 AU275649936274en-001401 / 130R0507
Programming Guide | VLT® AutomationDrive FC 360
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