node-opcua-nodeset-ua

import { OPCUAServer } from 'node-opcua-server'; import { standardNodeSet2 } from 'node-opcua-nodeset-ua'; async function main() { // Create an OPC UA Server instance const server = new OPCUAServer({ port: 4840, // Default OPC UA port resourcePath: '/UA/MyNodeSetServer', buildInfo: { productName: 'NodeSet Example Server', buildNumber: '1', buildDate: new Date(), }, }); // Initialize the server await server.initialize(); console.log('Server initialized.'); // Load the standard OPC UA NodeSet (version 2) into the server's address space // The `standardNodeSet2` export provides the XML content as a string. await server.loadUAModel({ nodeset_filename: [standardNodeSet2], // Pass the NodeSet XML string here }); console.log('Standard NodeSet2 loaded.'); // Optionally, extend the address space with custom objects or variables const addressSpace = server.engine.addressSpace; if (addressSpace) { const objectsFolder = addressSpace.getFolder('ObjectsFolder'); const myDeviceFolder = objectsFolder?.addFolder({ browseName: 'MyCustomDevices', displayName: 'My Custom Devices', }); myDeviceFolder?.addVariable({ browseName: 'Temperature', dataType: 'Double', value: { get: () => new server.variant({ dataType: server.DataType.Double, value: 25.5 }) }, }); } console.log('Custom objects added to address space.'); // Start the server await server.start(); console.log(`Server is now listening on port ${server.port}`); console.log(`Server discovery URL: ${server.getEndpointUrl()}`); console.log('Press Ctrl+C to stop the server.'); // Handle server shutdown on SIGINT process.on('SIGINT', async () => { console.log('Shutting down server...'); await server.shutdown(); console.log('Server shut down.'); process.exit(0); }); } main().catch(console.error);