Monitored data - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Busbar differential protection (high impedance) - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Power management/Load shedding - IEC 60870-5-103 Communication Manual - 620 series Relion Protection and Control - Relion Protection and Control - 2.0 FP1 IEC - IEC - 22.05.2023

620 series IEC 60870-5-103 Communication Protocol Manual

Table 1. Protocol diagnostic counters (I3C01 and I3C02)
Attribute Values (range) Default Description
Status False = Communication inactive

True = Communication active

False Status (read)
Reset counters False/True False True (reset)
Received frames -1...2147483646 Received frames
Checksum errors -1...2147483646 Checksum errors
Transmitted frames -1...2147483646 Transmitted frames