Function Blocks 
SQRT Function Block 
362    HC900 Hybrid Control Designer Function Block Reference Guide  Revision 11 
  2/07 
SQRT Function Block 
Description 
The SQRT label stands for Square Root.  
 
 
 
This block is part of the 
Calculations category. 
Function 
Extracts the square root of the analog input (X) as long as the input is greater than the configured 
DROPOFF value. 
•  If X > DROPOFF, then: OUT = square root of X. 
•  Otherwise, OUT = 0. 
Input 
X
 = Analog value for square root extraction 
Output 
OUT
 = Square Root value 
Block properties 
 
 
 
Double click on the function block to access the function block properties dialog box.