Bits 7 – 9: Speed class

The value of bits 7 to 9 of parameter 8425.20 defines the speed class of synchronous motors.

Bits 7 – 9

Meaning

Speed class

Binary value

22

21

20

No synchronous motor

0

0

0

2000 min-1

0

1

1

3000 min-1

1

0

0

Select the value "No synchronous motor" when starting up an asynchronous motor.