Honeywell HC900 Reference Manual page 257

2OR Function Block
Description
The 2OR label stands for the inclusive OR (2 Inputs) Boolean logic function .
This block is part of the Logic and Fast Logic categories.
Function
Monitors two digital input signals (X, Y) to set state of digital output signal (OUT).
If X = OFF and Y = OFF, then OUT = OFF.
•
If X = ON and/ or Y = ON, then: OUT = ON.
•
Input
X = First digital signal.
Y = Second digital signal.
Output
OUT = Digital signal controlled by status of input signals
Block properties
Double click on the function block to access the function block properties dialog box.
Revision 11
2/07
HC900 Hybrid Control Designer Function Block Reference Guide
Function Blocks
2OR Function Block
243