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7.9.5 CONCAT

Function​

CONCAT is called an extensible string connection function. It merges the current string IN1 with the string IN2, and outputs the combined content from OUT

LD graphics​

Alt text

Parameter description​

Interface variableDeclarationData typeDescription
IN1InputSTRINGString
IN2InputSTRINGString
Function nameReturn valueSTRINGString

Corresponding syntax​

  • IN1: The first string to be merged
  • IN2: The second string to be merged
  • OUT: merged string

Example​

  • LD sample animation is as follows:

alt text

  • ST example is shown in the following code:
OUT:=CONCAT(IN1:=IN1,IN2:=IN2);
OUT2:=CONCAT(IN1:=IN1,IN2:=IN2,IN3:=IN3,IN4:=IN4);