node-opcua-client an implementation of an OPC UA stack fully written in javascript and NodeJS seehttp://node-opcua.github.io/ Documentation "NodeOPCUA by Example" (https://leanpub.com/node-opcuabyexample-edition2024) provides a good starting point to understand and start using node-opcua...
1、打开模拟器【Prosys OPC UA Simulation Server】,自动创建【Server】。 需要注意的是: 运行状态,是否变为【Running】 复制OPC连接地址【opc.tcp://windows10.microdone.cn:53530/OPCUA/SimulationServer】 注意这个地址改为自己对应的IP【opc.tcp://192.168.1.27:53530/OPCUA/SimulationServer】 2、关闭模拟器上...
$ git clone https://github.com/node-opcua/node-opcua-sample $ cd node-opcua-sample $ npm install $ node simple_client.js More informationThe book NodeOPCUA by Example - Edition 2024 provides a comprehensive set of examples that goes beyond the simple example provided here....
mkdir node-opcua-example cd node-opcua-example npm init -y ``` ### 步骤 3: 安装 node-opcua 模块 在终端中,运行以下命令来安装 node-opcua 模块: ```bash npm install node-opcua ``` ### 步骤 4: 编写 OPC UA 客户端代码 创建一个新的 JavaScript 文件(例如:client.js)并编写以下代码来...
opc.tcp://SKY-20201126GIK:4380/UADEMO"; var client = opcua.OPCUAClient.create(option); await client.connect(url); } catch (err) { console.log(err); return; } if (!client) { console.log("连接失败!"); return; } //b)创建会话 try { var userIdentity...
const { OPCUAServer, DataType, AttributeIds} = require("node-opcua"); async function main() { //a)创建OPC UA Client并连接到OPC UA Server try { var option = {}; option.securityPolicy = opcua.SecurityPolicy.None; option.securityMode = opcua.MessageSecurityMode.None; ...
1. 打开你的项目目录,并通过命令行工具进入。2. 运行以下命令以初始化项目:npm init 3. 然后,安装必要的依赖包:npm i node-opcua --save 4. 创建一个名为 client.js 的文件,并将以下代码粘贴进去:在命令行中,切换到项目目录并执行:node client 最后,使用UaExpert工具验证var2的写入是否...
Example: 10225 Data Types: single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64 | char | string uaClient— OPC UA client opc.ua.Client object OPC UA client, specified as an opc.ua.Client object. You can create the client using the opcua function...
"node-opcua-client": ">=2.124.0" }, "devDependencies": { "node-opcua": "2.138.0", "node-opcua-address-space": "2.138.0", "node-opcua": "2.138.1", "node-opcua-address-space": "2.138.1", "node-opcua-assert": "2.120.0", "node-opcua-client": "2.138.0", "node-opcua...
OpcUa-Client节点成功连接到OpcUa服务器。 3.UaExpert账号登陆 点击工具栏的“加号”按钮,打开Add Server窗口,选择Discovery选项卡 在树形列表中双击Custom Discovery下的“加号”按钮,打开URL输入对话框,输入上面复制的服务器端点“opc.tcp://127.0.0.1:49320”,点击“OK”按钮确定。