See Add Stats FB
If you can connect a wire to a Graph FB to plot its data...
...then you can connect a wire to a Statistics FB to find the Statistical information for the same data.
The Statistics FB calculates various Statistical values of the data at its inputconnector over one machinecycle.
Compare with Element Properties, which are motionvalues at the 'instant' of the Master Machine Angle.

Edit the Statistics FB:


Statistics DataChannel dialogbox
Note: You should connect a wire to the inputconnector of the Statistics FB before you select a Derivative 

Statistic FB dialogbox 
Select Derivative
Note: FunctionBlocks have three DataChannels at their outputconnectors. DataChannels for a KinematicFB :
DataChannels for a ForceData FB :
Note: the DataChannels in the dropdown box are always labelled: Dis, Vel, and Acc
Optimization Parameters  Do Note Use Numerical Estimation of Min/Max  Do Not Use 
Open the Statistics Properties dialogbox
Statistic Properties dialog 
To open the Statistic Properties dialogbox
The Statistics for the DataChannel show in a Readonly dialogbox. 