local ua = require("opcua.api") local config = { applicationName = 'RealTimeLogic example', applicationUri = "urn:opcua-lua:example", productUri = "urn:opcua-lua:example", securePolicies = { { -- #1 securityPolicyUri = ua.Types.SecurityPolicy.None } } } local client = ua.newClient(config) trace("connecting to server") local endpointUrl = "opc.tcp://localhost:4841" local err = client:connect(endpointUrl) if err ~= nil then trace("connection failed: "..err) else trace("Connected sucessfully") end client:disconnect()