
Function Blocks
4OR Function Block
Revision 11
HC900 Hybrid Control Designer Function Block Reference Guide
245
2/07
4OR Function Block
Description
The
4OR
label stands for the inclusive
OR (4 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 X4 are
OFF
. Thus,
•
If input X1
o
r X2
or
X3
or
X4 is
ON
, then:
OUT = ON
.
•
If all inputs are OFF, then:
OUT = OFF
.
Input
X1
= First digital signal
X2
= Second digital signal
X3
= Third digital signal
X4
= Fourth 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.
Содержание HC900
Страница 453: ...Function Blocks XOR Function Block Revision 11 HC900 Hybrid Control Designer Function Block Reference Guide 439 2 07 ...
Страница 454: ......
Страница 455: ......