企业官网建设流程全解析

简述网站设计流程,开发网站的流程细节,室内设计人才网,建设手机网站平台一、目前国内接入最常见、最有代表性的 4 类光伏设备二、华为 SUN2000 逆变器通讯报文示例 这是一个标准 Modbus TCP 请求报文#xff1a; 00 01 00 00 00 06 01 03 75 30 00 06 含义#xff1a; Modbus TCP 报文由两部分组成#xff1a; MBAP Header#xff08;7字节…一、目前国内接入最常见、最有代表性的 4 类光伏设备二、华为 SUN2000 逆变器通讯报文示例这是一个标准 Modbus TCP 请求报文00 01 00 00 00 06 01 03 75 30 00 06含义Modbus TCP 报文由两部分组成MBAP Header7字节 PDU功能码 数据在光伏逆变器里这类请求通常用于响应这是一个标准的Modbus TCP 响应报文结构00 01 00 00 00 0F 01 03 0C 09 C4 00 64 13 88 00 32MBAP Header7字节 PDU功能码 数据PDU数据解析结合光伏业务的数值换算厂家协议通常定义倍率Scale最终物模型字段赋值示例{ “dcVoltage”: 250.0, “dcCurrent”: 10.0, “dcPower”: 5.0, “internalTemp”: 50 }三、示例代码报文请求构造 → 响应报文解析 → 寄存器解码 → 光伏设备物模型组织目标协议层、解析层、物模型层解耦方便后续做多品牌 Adapter 配置化映射代码结构1、Modbus TCP 请求报文构造ModbusRequest.cs/* by 01130.hk - online tools website : 01130.hk/zh/tuya.html */ public class ModbusRequest { public ushort TransactionId { get; set; } public byte UnitId { get; set; } public byte FunctionCode { get; set; } 0x03; public ushort StartAddress { get; set; } public ushort Quantity { get; set; } public byte[] ToBytes() { var buffer new Listbyte(); // Transaction ID buffer.AddRange(BitConverter.GetBytes(TransactionId).Reverse()); // Protocol ID (0x0000) buffer.Add(0x00); buffer.Add(0x00); // Length UnitId PDU ushort length 1 1 2 2; buffer.AddRange(BitConverter.GetBytes(length).Reverse()); // Unit ID buffer.Add(UnitId); // PDU buffer.Add(FunctionCode); buffer.AddRange(BitConverter.GetBytes(StartAddress).Reverse()); buffer.AddRange(BitConverter.GetBytes(Quantity).Reverse()); return buffer.ToArray(); } }2. Modbus TCP 响应解析ModbusResponse.cs/* by 01130.hk - online tools website : 01130.hk/zh/tuya.html */ public class ModbusResponse { public ushort TransactionId { get; set; } public byte UnitId { get; set; } public byte FunctionCode { get; set; } public byte ByteCount { get; set; } public byte[] Data { get; set; } }ModbusParser.cspublic static class ModbusParser { public static ModbusResponse ParseResponse(byte[] response) { if (response.Length 9) throw new Exception(Invalid Modbus response length); var result new ModbusResponse(); result.TransactionId ReadUInt16(response, 0); ushort protocolId ReadUInt16(response, 2); ushort length ReadUInt16(response, 4); if (protocolId ! 0) throw new Exception(Invalid Protocol ID); result.UnitId response[6]; result.FunctionCode response[7]; result.ByteCount response[8]; result.Data response.Skip(9).Take(result.ByteCount).ToArray(); return result; } private static ushort ReadUInt16(byte[] buffer, int index) { return (ushort)((buffer[index] 8) | buffer[index 1]); } }3. 寄存器解码倍率 字节序RegisterDecoder.cspublic static class RegisterDecoder { public static ushort ReadUInt16(byte[] data, int registerIndex) { int offset registerIndex * 2; return (ushort)((data[offset] 8) | data[offset 1]); } public static double ReadScaledValue( byte[] data, int registerIndex, double scale) { return ReadUInt16(data, registerIndex) / scale; } }4、光伏设备物模型定义PvThingModel.cspublic class PvThingModel { public double DcVoltage { get; set; } public double DcCurrent { get; set; } public double DcPower { get; set; } public double InternalTemperature { get; set; } public DateTime Timestamp { get; set; } DateTime.UtcNow; }5. 从响应到物模型的映射public static class PvThingModelBuilder { public static PvThingModel FromModbus(ModbusResponse response) { var data response.Data; return new PvThingModel { DcVoltage RegisterDecoder.ReadScaledValue(data, 0, 10), // 30000 DcCurrent RegisterDecoder.ReadScaledValue(data, 1, 10), // 30001 DcPower RegisterDecoder.ReadScaledValue(data, 2, 1000), // 30002 InternalTemperature RegisterDecoder.ReadUInt16(data, 3) // 30003 }; } }6. 完整示例调用Demopublic class Demo { public static void Run() { // 1. 构造请求 var request new ModbusRequest { TransactionId 1, UnitId 1, StartAddress 30000, Quantity 6 }; byte[] requestBytes request.ToBytes(); // 这里通常通过 TCP Socket 发送 requestBytes // 2. 模拟接收到的响应报文 byte[] responseBytes { 0x00,0x01,0x00,0x00,0x00,0x0F,0x01,0x03,0x0C, 0x09,0xC4,0x00,0x64,0x13,0x88,0x00,0x32 }; // 3. 解析响应 var response ModbusParser.ParseResponse(responseBytes); // 4. 构建物模型 PvThingModel model PvThingModelBuilder.FromModbus(response); Console.WriteLine($DC Voltage: {model.DcVoltage} V); Console.WriteLine($DC Current: {model.DcCurrent} A); Console.WriteLine($DC Power: {model.DcPower} kW); Console.WriteLine($Temperature: {model.InternalTemperature} ℃); } }