Commissioning
5.2 Preparing for commissioning
Defining additional requirements for the application
What speed limits should be set (minimum and maximum speed)?
● Minimum speed - factory setting 0 [rpm]
The minimum speed is the lowest speed of the motor independent of the speed setpoint.
A minimum speed is, for example, useful for fans or pumps.
● Maximum speed - factory setting 1500 [rpm]
The inverter limits the motor speed to this value.
What motor ramp-up time and ramp-down time are needed for the application?
The ramp-up and ramp-down time define the maximum motor acceleration when the speed
setpoint changes. The ramp-up and ramp-down time is the time between motor standstill and
the maximum speed, or between the maximum speed and motor standstill.
● Ramp-up time - factory setting 10 s
● Ramp-down time - factory setting 10 s
Converter with control units CU240D-2
Operating Instructions, 04/2015, FW V4.7.3, A5E34262100B AB
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