Honeywell HC900 Reference Manual page 261

8OR Function Block
Description
The 8OR label stands for the inclusive OR (8 Inputs) Boolean logic function .
This block is part of the Logic and Fast Logic categories.
Function
Turns digital output (OUT) OFF when inputs X1 through X8 are off, thus:
If input X1 o r X2 or X3 or X4 or X5 or X6 or X7 or X8 is ON , then: OUT = ON.
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If all inputs are OFF, then: OUT = OFF.
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Input
X1 = First digital signal
X2 = Second digital signal
X3 = Third digital signal
X4 = Fourth digital signal
X5 = Fifth digital signal
X6 = Sixth digital signal
X7 = Seventh digital signal
X8 = Eight digital signal.
Output
OUT = Digital signal controlled by status of input signals
Revision 11
2/07
HC900 Hybrid Control Designer Function Block Reference Guide
Function Blocks
8OR Function Block
247