Event journal
The journal shows everything that happens on the server: register writes, behavior changes, injections and attempts to write into locked registers. It is shared across all users and keeps the last 1000 events in memory - a server restart wipes the records. New events appear in the table immediately, no page reload needed. The page loads records via GET /api/modbus/journal, live events arrive over WebSocket /ws/events.
| Time | Source | IP | Action | Unit ID | Area | Address | Value |
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Support the project
The server is free and stays that way. We are raising money for a test bench with real instruments to run every ModbusToolkit build against.