Start-Up - ABB ACS580-01 Hardware Manual

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Start-up

Note: Protective oil on the brake resistors will burn off when the brake resistor is used
for the first time. Make sure that the airflow is sufficient.
Set the following parameters:
1. Disable the overvoltage control of the drive with parameter 30.30 Overvoltage
control.
2. Set the source of parameter 31.01 External event 1 source to point to the digital
input where the thermal switch of the brake resistor is wired.
3. Set parameter 31.02 External event 1 type to Fault.
4. Enable the brake chopper by parameter 43.06 Brake chopper enable. If Enabled
with thermal model is selected, set also the brake resistor overload protection
parameters 43.08 and 43.09 according to the application.
5. Check the resistance value of parameter 43.10 Brake resistance.
With these parameter settings, the drive generates a fault and coasts to a stop on
brake resistor overtemperature.
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.
Resistor braking 195

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