Honeywell HC900 - NOT Function Block; Figure 60 NOT Function Block Example

Function Blocks
NOT Function Block
224 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07
NOT Function Block
Description
The NOT label stands for the NOT Boolean logic function or Logic Inverter.
This block is part of the
Logic and Fast Logic categories..
Function
Reverse state of a digital input (X).
• OUT = Opposite state of X
If X = ON, then:
OUT = OFF.
IF X = OFF, then:
OUT = ON.
Input
X
= Digital signal
Output
OUT
= Complement of input signal
Block properties
Double click on the function block to access the function block properties dialog box.
Example
HFigure 60 shows a Function Block Diagram using a NOT function block. Use a single input to place a loop
in manual when the input is ON (1) and return to Auto when OFF (0).
Figure 60 NOT function block example