Using The Or Operator First And The And Operator Second - Simplex 4005 Programming Instructions Manual

Input Field 1,
Using the OR Operator first
and the AND Operator second
SECOND STATEMENT
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Continued
In Figure 3-12 the first and second statements are linked in Parallel and the third
statement is linked in Series with the first and second statements. Remember, a
Link operator links that statement with all previous statements, not just the
statement before it.
FIRST STATEMENT
[ ]
25
[ ]
$1'
THIRD STATEMENT
[ ]
In Figure 3-13, IF the condition of 03-01 is Fire OR the condition of 03-02 is
Fire, AND the condition of 03-03 is Fire, then the INPUT SIDE is true. In order
to cross from the INPUT SIDE of the equation to the OUTPUT SIDE, the first
or second statements and the third statement must be true.
INPUT SIDE
(Statements 1, 2, & 3)
Figure 3-13. A Parallel Statement in Series with a Series Statement
Field 1 Field 2
[ ]
Field 1 Field 2
[ ]
Field 1 Field 2
[ ]
Figure 3-12. A Parallel and Series Statement
18-01
03-01
18-02 03-02
3-8
Field 3 Field 4
),5( 
[ ] [
Field 3 Field 4
),5( 
[ ] [
Field 3 Field 4
),5( 
[ ] [
03-03
18-03
OUTPUT SIDE
Points 03-01 or 03-02 (in
Parallel) are in Series with
03-03. 03-01 or 03-02 must
be true and 03-03 must be
true in order to go from the
INPUT to the OUTPUT.
]
]
]