
The Function Block UTF8_DECODE converts a UTF-8 encoded ISO-8859-1 character string into a simple ISO-8859-1 character string.
The Input defines the character string to be converted.
The Output returns the converted character string.
Bytes in the character string that are not valid UTF-8 and UTF-8 characters that do not exist in ISO-8859-1 (i.e., characters greater than U+00FF) are replaced with a ?.