Identifying Motor Data - Siemens SINAMICS G120 Operating Instructions Manual

Commissioning
5.4 Basic commissioning with STARTER
5. Click on "Load data to the drive".
6. ☑ In the screen form, select "After loading copy RAM to ROM".
7. Load your configuration into the inverter.
8. Close the "Commissioning" screen form.
You have loaded your configuration into the drive and therefore performed the basic
commissioning.
5.4.6

Identifying motor data

Preconditions
● In the basic commissioning, you have selected the motor identification (MOT ID). In this
case, after the basic commissioning has been completed, the converter issues the alarm
A07991.
● The motor has cooled down to the ambient temperature.
If the motor is too hot, the motor data identification will provide incorrect values and the
closed-loop speed control will become unstable.
Risk of injury or material damage as a result of machine movements when switching on the
motor
Switching on the motor for identification purposes may result in hazardous machine
movements.
Secure dangerous machine parts before starting motor data identification:
• Before switching on, check that no parts are loose on the machine or can be spun out.
• Before switching on, ensure that nobody is working on the machine or located within its
• Secure the machine's work area against unintended access.
• Lower hanging/suspended loads to the floor.
92
DANGER
working area.
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB