8.4 Switching on and switching o
Description
The chapter includes:
• The preconditions for switching on
• The procedure for switching on
• The procedure for switching o
The preconditions for switching on
Note
EMERGENCY OFF
To avoid accidents, inform yourself about the EMERGENCY OFF function before you switch on
the system.
The motor is switched on and o via the converter.
• For more information on this topic, see the chapter in the Operating Instructions for the
converter.
• Ensure that the converter is correctly parameterized.
• All safety relays are functional and activated.
• Check that the motor is always adequately cooled.
• For force-ventilated motors, check that the fan runs when the motor is in operation.
Switching on
Procedure
1. Switch on the motor via the converter.
2. Observe any uneven running and abnormal noise of the motor.
3. For force-ventilated motors carefully check that the fan is functioning correctly.
4. Check the function of the safety equipment.
5. Check whether the motor reaches the required parameters
❒
Switching o
• Switch o the motor via the converter.
❒
Commissioning
8.4Switching on and switching o
SIMOTICS S-1FT2 synchronous motors for SINAMICS S120
100 Operating Instructions, 12/2023, A5E50610821B AF