Rockwell Automation FactoryTalk View Site Edition Users Guide - Manual (Page 567)

20 • C REATING EXPRESSIONS
20–21
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Example 2: Nested if –then –else
This expression:
If statement1 Then
If statement2 Then value1
Else value2
Else value3
is interpreted in this way:
value3 value2
statement2
exit
true
false
value1
enter
statement1
true
false