relay-testing

Open-source IEC 61850 engineering workstation for MMS, reporting, GOOSE, file transfer, Sampled Values, SCL, diagnostics, and Smart Control.

Open-source IEC 61850 MMS to Modbus TCP and MQTT gateway for Windows HMI, SCADA, relay testing, FAT/SAT, and substation automation labs.

Open-source IEC 61850 Sampled Values publisher and subscriber for Windows with SCL/SCD configuration, COMTRADE replay, PCAP analysis, waveform, phasor, RMS, and process bus engineering.

IEC 60870-5-103 active master tester and analyzer for protection relay FAT/SAT evidence, event logs, mapping profiles, and raw frame trace.

Portable Windows LAN discovery and relay IP scanner for substation automation, FAT, commissioning, and protocol evidence checks.