Reference and Support

Reference material is collected here.

Content	Description
Architecture	The core data model, southbound-to-northbound routing, the stream processing engine, and offline caching
HTTP API	Authentication, data types, driver and application settings, and error codes for the REST API
Performance	Measured tag counts and resource usage for the Modbus TCP, OPC UA, and Siemens S7 drivers
FAQ	Common questions on deployment, limits, and protocol support
Release History	New features and fixes per version

For stream processing SQL syntax, functions, and windows, see Data Processing · SQL Reference. For name lengths, group limits, and the minimum polling interval of a single instance, see Data Collection, Processing and Delivery · Configuration specification.