Function Blocks 
LPSW Loop Switch Function Block 
Revision 11    HC900 Hybrid Control Designer Function Block Reference Guide  185 
2/07     
Example 
HFigure 46 shows a Function Block Diagram using an LPSW function block 
Function:  Digital interface to initiate:   
•  Autotuning 
•  Change Control Action: Direct/Reverse Action 
•  Force Bumpless Transfer (rebalance the algorithm) 
•  Select Tuning Set #1 
•  Select Tuning Set #2 
 
 
 
Figure 46  LPSW function block example