MLEN

Function - Get the number of characters in a string.

Inputs

IN : STRING  Character string

Outputs

NBC : DINT   Number of characters currently in the string. 0 if string is empty.

Remarks

In LD language, the operation is executed only if the input rung (EN) is TRUE. The output rung (ENO) keeps the same value as the input rung. In IL, the input must be loaded in the current result before calling the function.

ST Language

NBC := MLEN (IN);

FBD Language

LD Language

(* The function is executed only if EN is TRUE *)
(* ENO keeps the same value as EN *)

IL Language:

Op1: LD   IN
     MLEN
     ST   NBC

See also

+   DELETE   INSERT   FIND   REPLACE    LEFT   RIGHT   MID