Dword to strf
Type Function: STRING¶
| Input IN | DWORD (input value) |
| N | Int (length of the result string) |
| Output | STRING (result STRING) |
| DWORD_TO_STRF converts a DWORD, Word or byte in a STRING of fixed length. The output string is exactly N digits, with leading zeros inserted or leading digits truncated. The maximum permitted length N is 20 digits. |

Example:
DWORD_TO_STRF(5123, 6) = '005123'
DWORD_TO_STRF(5123, 3) = '123'