Function Blocks 
PID Function Block 
Revision 11    HC900 Hybrid Control Designer Function Block Reference Guide  287 
2/07     
Example 1 - Basic PID configuration example 
HFigure 71 shows a Function Block Diagram using a simplified PID Configuration (reference only) and its 
basic Configuration. 
 
Analog Input block
PID Block  (Simplified)
Analog Output Block
Analog Variable- used to provide 
a remote setpoint  value.
Remote Setpoint Input
Alarm Outputs  (Digital Signal)
FAIL
 
 
 
 
 
Figure 71 PID function block example