node_opcua.js

import { OPCUAClient, AttributeIds } from "node-opcua";

const endpoint = "opc.tcp://192.168.100.64:4840";
const PITCH_NODE = "ns=6;s=::CuttingLab:DataExchange.Cfg.Cutting.Pitch";

(async () => {

    try {
        const client = OPCUAClient.create({
            endpoint_must_exist: false,
            connectionStrategy: {
                maxRetry: 2,
                initialDelay: 2000,
                maxDelay: 10 * 1000
            }
        });
    
        await client.connect(endpoint);
    
        const session = await client.createSession({ userName: 'XXXXXX', password: 'XXXXXX' });

        const pitch = await session.read({
            nodeId: PITCH_NODE,
            attributeId: AttributeIds.Value,
        });

        console.log(pitch);

    } catch (err) {
        console.log(err);
    }
})();

import { OPCUAClient, AttributeIds } from "node-opcua";

const endpoint = "opc.tcp://192.168.100.64:4840";
const PITCH_NODE = "ns=6;s=::CuttingLab:DataExchange.Cfg.Cutting.Pitch";

(async () => {

    try {
        const client = OPCUAClient.create({
            endpointMustExists: false, // Now in camelCase
            connectionStrategy: {
                maxRetry: 2,
                initialDelay: 2000,
                maxDelay: 10 * 1000
            }
        });
    
        await client.connect(endpoint);
    
        const session = await client.createSession({ userName: 'XXXXXX', password: 'XXXXXX' });

        const pitchDataValue = await session.read({
            nodeId: PITCH_NODE,
            attributeId: AttributeIds.Value,
        });

        console.log(pitchDataValue .toString());   // use toString() to get friendly output
      
        // do not forget to close the session and disconnect (to free up ressources)
        await session.close();
        await client.disconnect();

    } catch (err) {
        console.log(err);
    }
})();