168
Restrictions Section 5-7
FOR i:=0 TO 100 BY 1 DO
a:=a+1;
END_FOR;
Q: What occurs when the array subscript is exceeded?
A: For the array variable INT[10] with 10 elements, an error will not be
detected for the following type of statement. Operation will be unstable when
this statement is executed.
i:=15;
INT[i]:=10;
Q: Are the variables in the structured text editor automatically registered
in the variable tables?
A: No. Register the variables in the variable table before using them.
Q: Can ladder programming instructions be called directly?
A: No.
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