180 Resistor braking
Commissioning the braking circuit
For more information, see the firmware manual.
1. Enable the brake chopper function. Please note that a brake resistor must be
connected when the chopper is enabled from group 43 Brake chopper.
2. Switch Off the overvoltage control of the drive with parameter 30.30 Overvoltage
control.
3. Adjust any other relevant parameters in group 43 Brake chopper.
WARNING! If the drive is equipped with a brake chopper but the chopper is not
enabled by the parameter setting, the internal thermal protection of the drive
against resistor overheating is not in use. In this case, the brake resistor must be
disconnected.
Note: Some brake resistors are coated with oil film for protection. At the start-up, the
coating burns off and produces a little bit of smoke. Ensure proper ventilation at the
start-up.
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