WinCC OA Manager API for Node.js
The WinCC OA Manager API is a Node.js AddOn that enables you to develop custom managers in JavaScript or TypeScript.
The winccoa-manager package provides the
WinccoaManager class, which gives Node.js applications full access
to the WinCC OA runtime. Custom managers built with this API integrate
into the system architecture like any native manager and communicate directly with the
Event Manager and Data Manager.
Key capabilities
- Read and write datapoint values (
dpGet,dpSet,dpConnect) - Execute CTRL scripts from JavaScript/TypeScript
- Subscribe to system events and alarms
- Access the CNS (Convergent Naming System) tree
- Query datapoint types and structures
- Manage manager lifecycle (start, stop, reconnect)
Use cases
Use the WinCC OA Manager API when you want to implement custom managers, integration services, or automation logic in the Node.js ecosystem. Typical applications include REST API gateways, data transformation services, and third-party system connectors.