Lenze E94AYFLF Digital frequency module - Manual (Page 25)

EDS94AYFLF EN 3.2 - 10/2010
L
25
Digital frequency extension module | Parameter setting & configuration
Digital frequency output
Parameter setting
3.2.3 Position setting
The digital frequency output provides a 32-bit absolute position for the application via the
output DFOUT_dnActualPos_p. This absolute position is created by integrating the
frequency signal to be output.
This position can be set as follows via the system block LS_DigitalFrequencyOutput :
1. Define the desired absolute position at the input DFOUT_dnReferencePos_p in
[increments].
2. Set the input DFOUT_bLoadReferencePos from FALSE to TRUE to accept the defined
position for the digital frequency output in the next cycle.

Note!
The speed is not affected by setting the position.
If the speed is integrated in the application, the integrator and the position
assume different values, i.e. they diverge. In case of further position changes, the
difference between the values remains the same.