IEC 61850-7-4:2010/AMD1:2020 Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes
2020IEC 61850-7-4:2010/AMD1:2020 Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes
2020IEC 61850-7-4:2020 Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data classes
2010IEC 61850-7-4:2010 Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data classes
2003IEC 61850-7-4:2003 Communication networks and systems in substations - Part 7-4: Basic communication structure for substation and feeder equipment; Compatible logical node classes and data classes