Which products are affected?
9300 servo cam profiler V7.1
Application
Cam drives with master frequency coupling or a master frequency signal via system bus.
Operation with master speed and negative sign at FB CDATA
Description
Drifts can be avoided by parameterising code C1338/2 = 2.
According to the default parameter setting under CDATA the master value integrators are internally set to and kept on 0 when the CDATA-X-RESET input is set.
Incremental deviations of the position signal or master signal at the CDATA-DFIN input are thus no longer considered. A drift may be the result. The behaviour especially appears in case of backwards running master signals, e. g. via FB DFIN.
Thanks to parameter C1338/2 ('XIN-Mode') which has been included in the software as of version V3.1 a function avoiding the faulty behaviour is available. However, this is not documented separately. The documentation will be adjusted in the course of the next revision.
