6-91
6 Programming
NJ-series CPU Unit Software User’s Manual (W501)
6-5 Programming Languages
6
6-5-3 Structured Text Language
CASE
Overview:
This construct executes a statement that corresponds to an integer set value that matches the value
of an integer expression.
Reserved Words:
CASE
Construct Structure:
Process Flow Diagram:
CASE <integer_expression> OF
<integer_expression_value_1>:<statement_1>;
<integer_expression_value_2>:<statement_2>;
·
·
·
<integer_expression_value_n>:<statement_n>;
ELSE<statement_m>;
END_CASE;
Statement m
Yes
No
Statement n Statement 2 Statement 1
No
Yes
Yes
No
Equal to
value 2?
Equal to
value 1?
Equal to
value n?