IEC PAS 61850-9-3:2015(E) specifies a precision time protocol (PTP) profile of IEC 61588:2009 applicable to power utility automation which allows compliance with the highest synchronization classes of IEC 61850-5 and IEC 61869-9.
33.200 Telecontrol. Including Supervising, Control and Data Acquisition System (SCADA) / Телемеханика. Телеметрия. Включая систему диспетчерского управления и сбора данных (SCADA)