Resolver Synchronization - Baumuller b maXX BM3000 Operating Manual

Description of the Software Modules and Parameters
In addition, an automatic identification of the correction values is possible in ProDrive.
The current and the starting speed must be entered for this purpose - the maximum speed
during the identification is approximately factor 3.6. The evaluation is determined by a
constant current input. The present status is displayed in Z106.72–.

4.4.6.6 Resolver synchronization

The resolver can be operated with two different excitation frequencies, 7.8125 kHz and
8 kHz. By using the 8 kHz thereby the resolver excitation can be synchronized on the
fieldbus. Additionally the phase of the resolver excitation can be set to set the resulting
sine and cosine tracks to a certain time.
Figure 88:
In
Z106.43–
The Dsp interrupt is synchronized to the fieldbus and the resolver tracks (blue) are syn-
chronized to the first Dsp interrupt. The excitation (green) is shifted so that the maximum
of the resulting sine and cosine track is synchronous to the Dsp interrupt. The phase shift
between the Dsp interrupt and the accordant maximums are set via the parameter
Z106.52–
the amplitude and the phase towards one another can deviate depending on the imped-
ance of the resolver.
Synchronization of the resolver
ZFig. 88–
the synchronization of the resolver is represented. Via bit 4 of parameter
the excitation frequency can be set to 8 kHz and activates the synchronization.
and accepts values between 0 and 124 µs. Thereby, the excitation voltages of
Parameter manual b maXX BM3000
Document no.: 5.12001.07
4
171
of 820