IEC 61850 reporting is silent
Connection works, but BRCB or URCB values never arrive.
Open guideSymptoms · evidence · diagnostic path
IEC 61850 troubleshooting guides for real project blockers.
Start from the visible symptom, identify the evidence that matters and narrow the cause without hiding negative outcomes or overstating what one tool can prove.
Keep the problem attributable
Separate association, MMS service, report, sequence, frame and IED-behavior evidence before changing configuration.
Guide library
Choose the symptom you are investigating.
Each guide gives an immediate answer, common causes, a bounded diagnostic path, ARSAS evidence and a clear engineering limitation.
BRCB vs URCB
Choose and diagnose buffered versus unbuffered reporting.
Open guideRCB reserved or occupied
Understand ownership, reservation and safe next checks.
Open guideEmpty DataSet
Explain why a report control block exists but carries no useful members.
Open guidePort 102 connection failed
Separate routing, firewall, endpoint and application-layer causes.
Open guideDownload COMTRADE
Diagnose MMS file-service discovery and disturbance-record retrieval.
Open guideGOOSE stNum and sqNum
Interpret state changes, retransmission and sequence anomalies.
Open guideCID or SCL file rejected
Compare parser failure, configured intent and live IED evidence.
Open guideLive model vs SCL
Know when configured files and the running relay disagree.
Open guideDirect vs SBO control
Distinguish direct operation from Select-Before-Operate.
Open guideCommandTermination and AddCause
Read negative completion evidence after a control request.
Open guide
Verified stable release
Download ARSAS 1.6.17 for Windows.
Use the installer for a normal workstation, choose the portable ZIP for a controlled folder deployment, and verify the published SHA-256 before use.
What’s new, limitations and signing status →