DIN EN 60870-5-101:2016-11
Telecontrol equipment and systems - Part 5-101: Transmission protocols - Companion standard for basic telecontrol tasks (IEC 60870-5-101:2003 + A1:2015); German version EN 60870-5-101:2003 + A1:2016 / Note: DIN EN 60870-5-101 (2003-12) remains valid al...