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5.7 Standard Character String Functions
5.7.2 String concatenation
CONCAT(_E)
Operation Error
No operation error occurs in the execution of the CONCAT(_E) function.
Program Example
The program which concatenates the character string input to following the one input to ,
and outputs the operation result from .
(a) Function without EN/ENO (CONCAT)
[Structured ladder]
[ST]
g_string3:=CONCAT(g_string1, g_string2);
(b) Function with EN/ENO (CONCAT_E)
[Structured ladder]
[ST]
g_bool3 := CONCAT_E(g_bool1, g_string1, g_string2, g_string3);
s2
s1
d
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