Possible cause for the error triggering

The calculation model for calculating the current commutation angle error requires the values for the inductance and the resistance of the motor winding. The correct values in parameter P-0-0066 are therefore very important:

The effective inductance decreases with increasing current. For Beckhoff motors this relationship is stored in parameter P-0-0075:

For third-party motors these values are usually not known. Especially in the case of linear motors that accelerate very dynamically with a multiple of the nominal current, it is therefore possible that the model calculates with an incorrect value for the inductance during acceleration and as a result delivers a too large deviation of the commutation angle.

The options described in the next section can be used to determine whether the fault is actually always detected at high currents.