3-7
In Figure 3-10 the first and second statements are linked in Series and the third
statement is linked in Parallel with the first and second statements. Remember,
a Link operator links that statement with all previous statements, not just
the statement before it.
Field 1 Field 2 Field 3 Field 4
[] [] [),5(] []
Field 1 Field 2 Field 3 Field 4
[$1'] [] [),5(] []
Field 1 Field 2 Field 3 Field 4
[25] [] [),5(] []
Figure 3-10. An Example of an And Link First and
an OR Link Second
In Figure 3-11, IF the condition of 03-01 is Fire AND the condition of 03-02 is
Fire, OR 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
and second statements (together) or the third statement must be true.
18-01
18-03
18-02
Figure 3-11. A Series and Parallel Statement
Continued on next page
Input Field 1, Continued
Using the AND Operator first
and the OR Operator second
FIRST STATEMENT
SECOND STATEMENT
THIRD STATEMENT
03-02
Points 03-01 and 03-02 (in
Series) are Parallel with 03-03.
03-01 & 03-02 must be true
(together) or 03-03 must be
true in order to go from the
INPUT to the OUTPUT.
03-01
03-03
OUTPUT SIDE INPUT SIDE
(Statements 1,2, & 3)
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