Most recent
IEC 60870-5-3 Ed. 1.0 b:1992
Telecontrol equipment and systems - Part 5: Transmission protocols - Section 3: General structure of application data
Applies to telecontrol equipment and systems with coded bit serial data transmission for monitoring and controlling geographically widespread processes; specifies rules for structuring application data units in transmission frames of telecontrol systems.
International Electrotechnical Commission [iec]