ASCII

Function - Get the ASCII code of a character within a string

Inputs

IN  : STRING Input string
POS : DINT   Position of the character within the string
             (The first valid position is 1)

Outputs

CODE : DINT    ASCII code of the selected character
               or 0 if position is invalid

Remarks

In LD language, the input rung (EN) enables the operation, and the output rung keeps the same value as the input rung. In IL language, the first parameter (IN) must be loaded in the current result before calling the function. The other input is the operand of the function.

ST Language

CODE := ASCII (IN, POS);

FBD Language

LD Language

(* The function is executed only if EN is TRUE *)
(* ENO is equal to EN *)

IL Language:

Op1: LD       IN
     AND_MASK MSK
     ST       CODE

See also

CHAR