In the HW buildingsforum, under Lon Spyder, look for the "Spyder AIA Function Block" tech tip.
Positive experience with flow control is all I have.
Supposedly suitable for mixed air and modulating discharge air temp control with sequenced heating and cooling.
NOT suitable for water loop DP, Bldg Pressure, Duct Static, or Room Temp control.
Adaptive Integral Action is not to be confused with Auto Tuning. "The method of the adaptation is fixed but is adjusted/optimized by the parameters entered."