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webscada-client

v1.2.5

Published

webSocket SCADA communication client components

Downloads

5

Readme

WebScadaClient

介绍

这个组件是基于浏览器实现SCADA的前端插件。通过WEBSocket实现与后端服务器的实时通信,实现各种设备数据的采集与变化响应。

软件架构

后端服务器是使用C++语言编写,并采用IOCP技术实现高并发支持的WEBSocket服务器。WEBSocket服务器又通过COM技术与OPCServer连接,以实现与所有PLC型号良好兼容的服务能力。

安装教程

  1. 在VSCode上安装 TagsEditor插件。以实现设备标记名的配置,并自动生成类型定义文件。(通过这个插件定义的标记名可以在代码编写中实现更好的智能提示) 安装方法为在VSCode商店搜索TagsEditor并安装。

  2. 下载并安装服务器端程序OPCWebServer,安装方法请参照该项目说明

  3. 下载安装开发脚手架WebPack

  4. 安装组件

    npm install --save webscada-client

使用说明

  1. 使用TagsEditor插件创建并编辑标签信息。保存后会自动生成对应的定义模块文件"Tags"。(tag定义中,设备如果不指定IP地址,则该设备为内存设备,标记名数据将存储在本地内存)
  2. import { app } from "tags"
  3. 通过app.tagName来读写设备数据。
        app.tagName1="test";
        console.log(app.tagName1);
  4. 数据变化事件捕获:
    //单标记名情况。
    app.on(
        "tagName",
        e=>{
            e.sender 触发事件的TAG对象
            e.type: 触发事件的类型
            e.tagName: 触发事件的标记名
            e.tagAddr?: 触发事件的
            e.devValue: any;
            e.tagValue: any;
        },
        //是否只触发一次,默认为false
        false,
        //事件处理程序的this指针。
        app
    )
    //多标记名情况。
    app.on(["tagName1","tagName2"],e=>{
        
    })
    //条件判断情况。
    app.on((e)=>{
        if (e.tagName1>20) return false;
        return true;
    },{
        //为真时触发
        onTrue(e){

        },
        //为真时延时时间。
        onTrueDelay:1,
        //为真时间隔时间。
        onTrueInterval:5,
        //为假时
        onFalse(e){

        },
        //为假时延时时间
        onFalseDelay:1,
        //为假时间隔时间
        onFalseInterval:5
    })

版本说明

1.2.1 增加Number类型的位操作。
console.log(app.tagName_bit2);
app.tagName_bit2=1;
1.2.5 增加Number类型的位操作。
  1. 点状态非192时为非激活状态,不发送事件。
  2. 当点状态激活时,重新发送事件.
  3. 当点状态为非激活时更改点的值会导致控制台输出 "Write Tag in unActive status. Tag:TAGNAME"

注意事项

OPCWebServer及脚手架为非免费软件,如有需要,可电话联系我:13120118297。另外,如有好的工作机会,也可与我联系。