Function - Get the number of characters in a string.
IN : STRING Character string
NBC : DINT Number of characters currently in the string. 0 if string is empty.
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.
NBC := MLEN (IN);
(* The function is executed only if EN is
(* ENO keeps the same value as EN *)
Op1: LD IN
+ DELETE INSERT FIND REPLACE LEFT RIGHT MID