Function Blocks 
2AND Function Block 
Revision 11    HC900 Hybrid Control Designer Function Block Reference Guide  71 
2/07     
2AND Function Block 
Description 
The 2AND label stands for the AND Boolean function (2 Inputs). 
 
 
 
This block is part of the 
Logic and Fast Logic categories. 
Function 
Turns digital output (OUT) ON when inputs X1 and X2 are ON. Thus, 
•  If all inputs are ON, then: OUT = ON. 
•  If any input is OFF, then: OUT = OFF. 
Input 
X1
 = First digital signal. 
X2 = Second digital signal. 
Output 
OUT
 = Digital signal controlled by status of input signals. 
Block properties