Commissioning
5.2 Preparing for commissioning
Converter with control units CU250D-2
Operating Instructions, 04/2014, FW V4.7, A5E34261542B AA
57
Preparing for commissioning
Overview
Before starting commissioning, you must know the answer to the following questions:
●
What are the data specifications of my inverter?
→ SINAMICS G120D CU250D-2 Inverter (Page 23).
●
What inverter interfaces are active?
→ Connections and cables (Page 36).
●
How is the inverter integrated in the higher-level control system?
●
What technological requirements must the drive fulfill?
→ Introduction, V/f control, vector control (Page 58).
→ Defining additional requirements for the application (Page 60).
●
Which motor is connected to the inverter?
If you are using one of the STARTER commissioning tools or Startdrive and a SIEMENS
motor, then you only need the order number of the motor. Otherwise, note down the data
on the motor rating plate.
●
In which region of the world will the motor be used?
- Europe IEC: 50 Hz [kW]
- North America NEMA: 60 Hz [hp] or 60 Hz [kW]
●
How is the motor connected?
Pay attention to the connection of the motor (star connection [Y] or delta connection [Δ]).
Note the appropriate motor data for connecting.
●
What is the ambient temperature of the motor?
For commissioning, you will need the ambient temperature of the motor if it differs by
more than 10 °C from the factory setting (20 °C).
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