Several transmission frame formats for use in telecontrol systems with different hamming distance are specified. In 6.2.4.2.2 the start character in first and fourth table line each are corrected in accordance with IEC 60870-5-1:1990.
2001DIN EN 60870-5-1 Berichtigung 1:2001 Telecontrol equipment and systems - Part 5: Transmission protocols; section 1: Transmission frame formats
1994DIN EN 60870-5-1:1994-07 Telecontrol equipment and systems - Part 5: Transmission protocols; section 1: Transmission frame formats (IEC 60870-5-1:1990); German version EN 60870-5-1:1993
1994DIN EN 60870-5-1:1994 Telecontrol equipment and systems - Part 5: Transmission protocols; section 1: Transmission frame formats (IEC 60870-5-1:1990); German version EN 60870-5-1:1993