113 lines
2.9 KiB
Plaintext
113 lines
2.9 KiB
Plaintext
---
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id: 20005
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title: Dlt645
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---
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import useBaseUrl from "@docusaurus/useBaseUrl";
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import Tag from "@site/src/components/Tag.js";
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import Highlight from '@site/src/components/Highlight.js';
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## 定义
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程序集：[ThingsGateway.Foundation.Dlt645](https://www.nuget.org/packages/ThingsGateway.Foundation.Dlt645)
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## 一、说明
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**ThingsGateway.Foundation.Dlt645**是对于Dlt645-2007协议的封装类库
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支持多个通讯链路：Tcp/Udp/SerialPort
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## 二、Dlt645-2007主站
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1、创建Dlt645Master
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```
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/// <summary>
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/// 新建链路
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/// </summary>
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/// <returns></returns>
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public IChannel GetChannel()
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{
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TouchSocketConfig touchSocketConfig = new TouchSocketConfig();
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return touchSocketConfig.GetSerialPortWithOption(new("COM1")); //直接获取串口对象
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//return touchSocketConfig.GetChannel(ChannelTypeEnum.SerialPortClient, null, null, new("COM1"));//通过链路枚举获取对象
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}
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/// <summary>
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/// 新建协议对象
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/// </summary>
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/// <param name="channel"></param>
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/// <returns></returns>
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public IProtocol GetProtocol(IChannel channel)
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{
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var client = new Dlt645_2007Master(channel);
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client.Station = "311111111114";//表号
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return client;
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}
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```
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2、读写操作
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```
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Dlt645MasterTest dlt645MasterTest = new Dlt645MasterTest();
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var channel = dlt645MasterTest.GetChannel();
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var protocol = dlt645MasterTest.GetProtocol(channel);
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var data = await protocol.ReadDoubleAsync("02010100"); //读取A相电压
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```
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`02010100`是Dlt645中的地址表示方式，代表A相电压，请查看相关协议文档，可在源码附件中找到文档
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- 基本地址
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| 地址 | 说明 |
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| ---------------| --------------------------|
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| 02010100 | 读取02010100(A相电压) |
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参考DLT2007协议文档数据标识，可在插件源码中找到附件
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- 站号(可选)
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当需要指定站号地址时可使用，举例：
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| 地址 | 说明 |
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| ---------------| --------------------------|
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| s=111111111111;02010100 | 读取02010100 ,设备地址为111111111111 |
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- Dtu注册(可选)
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当需要指定Dtu客户端可使用，举例：
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| 地址 | 说明 |
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| ---------------| --------------------------|
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| id=12;40001 | 读取03功能码 ,设备地址为默认，Dtu注册包为"12",注意是UTF8格式 |
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3、其他方法
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修改密码
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```
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var result = await protocol.WritePasswordAsync(level, oldPassword, newPassword);
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```
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更改表号
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```
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var result = await protocol.WriteDeviceStationAsync(station);
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```
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修改波特率
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```
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var result = await protocol.WriteBaudRateAsync(baudRate);
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```
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读取表号
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```
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var result = await protocol.ReadDeviceStationAsync;
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```
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