| | |
| | | |
| | | // 常用的Modbus功能码方法 |
| | | /// <summary> |
| | | /// 读一个或多个线圈,返回一个bit真假数组 |
| | | /// 读一个或多个线圈,返回一个bit真假数组 |
| | | /// </summary> |
| | | /// <param name="startingAddress"></param> |
| | | /// <param name="quantity"></param> |
| | | /// <returns></returns> |
| | | bool[] ReadCoils(int startingAddress, int quantity); |
| | | /// <summary> |
| | | /// 读一个或多个离散输入,返回一个bit真假数组 |
| | | /// 读一个或多个离散输入,返回一个bit真假数组 |
| | | /// </summary> |
| | | /// <param name="startingAddress"></param> |
| | | /// <param name="quantity"></param> |
| | | /// <returns></returns> |
| | | bool[] ReadDiscreteInputs(int startingAddress, int quantity); |
| | | /// <summary> |
| | | /// 批量读取或单独读取保持寄存器,返回的是32位int数组 |
| | | /// 批量读取或单独读取保持寄存器,返回的是32位int数组 |
| | | /// </summary> |
| | | /// <param name="startingAddress"></param> |
| | | /// <param name="quantity"></param> |
| | | /// <returns></returns> |
| | | int[] ReadHoldingRegisters(int startingAddress, int quantity); |
| | | /// <summary> |
| | | /// 读一个或多个输入寄存器,返回一个int32位数组 |
| | | /// 读一个或多个输入寄存器,返回一个int32位数组 |
| | | /// </summary> |
| | | /// <param name="startingAddress"></param> |
| | | /// <param name="quantity"></param> |
| | |
| | | case ModbusCommunicationType.TcpSocket: |
| | | return new TcpSocketCommunicator(); |
| | | default: |
| | | //throw new ArgumentException("不支持的Modbus通信方式:请选择EasyModbus或TcpSocket"); |
| | | LogHelper.Info("不支持的Modbus通信方式:请选择EasyModbus或TcpSocket"); |
| | | //throw new ArgumentException("不支持的Modbus通信方式:请选择EasyModbus或TcpSocket"); |
| | | LogHelper.Info("不支持的Modbus通信方式:请选择EasyModbus或TcpSocket"); |
| | | return null; |
| | | } |
| | | } |
| | |
| | | _modbusClient.Connect(); |
| | | |
| | | if (IsConnected) { |
| | | LogHelper.Info($"连接成功:{ipAddress}:{port}"); |
| | | LogHelper.Info($"连接成功:{ipAddress}:{port}"); |
| | | } |
| | | else { |
| | | LogHelper.Info($"连接失败:{ipAddress}:{port}"); |
| | | LogHelper.Info($"连接失败:{ipAddress}:{port}"); |
| | | } |
| | | } |
| | | |
| | |
| | | _modbusClient?.Disconnect(); |
| | | |
| | | if (IsConnected) { |
| | | LogHelper.Info($"连接成功:{_modbusClient.IPAddress}:{_modbusClient.Port}"); |
| | | LogHelper.Info($"连接成功:{_modbusClient.IPAddress}:{_modbusClient.Port}"); |
| | | } |
| | | else { |
| | | LogHelper.Info($"连接失败:{_modbusClient.IPAddress} : {_modbusClient.Port}"); |
| | | LogHelper.Info($"连接失败:{_modbusClient.IPAddress} : {_modbusClient.Port}"); |
| | | } |
| | | } |
| | | |
| | |
| | | res = _modbusClient.ReadCoils(startingAddress, quantity); |
| | | if (res.Length != 0) { |
| | | //读取成功 |
| | | LogHelper.Info($"读取成功:ReadCoils:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"读取成功:ReadCoils:IP:{ip},Port:{port}"); |
| | | } |
| | | else { |
| | | //读取失败 |
| | | LogHelper.Info($"读取失败:ReadCoils:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"读取失败:ReadCoils:IP:{ip},Port:{port}"); |
| | | } |
| | | } |
| | | catch (Exception ex) { |
| | |
| | | } |
| | | } |
| | | else { |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | } |
| | | return res; |
| | | } |
| | |
| | | res = _modbusClient.ReadDiscreteInputs(startingAddress, quantity); |
| | | if (res.Length != 0) { |
| | | //读取成功 |
| | | LogHelper.Info($"读取成功:ReadDiscreteInputs:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"读取成功:ReadDiscreteInputs:IP:{ip},Port:{port}"); |
| | | } |
| | | else { |
| | | //读取失败 |
| | | LogHelper.Info($"读取失败:ReadDiscreteInputs:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"读取失败:ReadDiscreteInputs:IP:{ip},Port:{port}"); |
| | | } |
| | | } |
| | | catch (Exception ex) { |
| | |
| | | } |
| | | } |
| | | else { |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | } |
| | | return res; |
| | | } |
| | |
| | | var ip = client.IPAddress; |
| | | var port = client.Port; |
| | | try { |
| | | //一个寄存器是16位,返回2个int类型 |
| | | //一个寄存器是16位,返回2个int类型 |
| | | res = client.ReadHoldingRegisters(startingAddress, quantity); |
| | | if (res.Length != 0) { |
| | | //读取成功 |
| | | LogHelper.Info($"读取成功:ReadHoldingRegisters:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"读取成功:ReadHoldingRegisters:IP:{ip},Port:{port}"); |
| | | } |
| | | else { |
| | | //读取失败 |
| | | LogHelper.Info($"读取失败:ReadHoldingRegisters:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"读取失败:ReadHoldingRegisters:IP:{ip},Port:{port}"); |
| | | } |
| | | } |
| | | catch (Exception ex) { |
| | | //如果请求数量超出保持寄存器的最大数据行数,会报错 |
| | | //如果请求数量超出保持寄存器的最大数据行数,会报错 |
| | | LogHelper.InfoEx(ex); |
| | | } |
| | | } |
| | | else { |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | } |
| | | return res; |
| | | } |
| | |
| | | res = client.ReadInputRegisters(startingAddress, quantity); |
| | | if (res.Length != 0) { |
| | | //读取成功 |
| | | LogHelper.Info($"读取成功:ReadInputRegisters:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"读取成功:ReadInputRegisters:IP:{ip},Port:{port}"); |
| | | } |
| | | else { |
| | | //读取失败 |
| | | LogHelper.Info($"读取失败:ReadInputRegisters:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"读取失败:ReadInputRegisters:IP:{ip},Port:{port}"); |
| | | } |
| | | } |
| | | catch (Exception ex) { |
| | |
| | | } |
| | | } |
| | | else { |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | } |
| | | return res; |
| | | } |
| | |
| | | res = value == client.ReadCoils(coilAddress, 1)[0]; |
| | | if (res) { |
| | | //写入成功 |
| | | LogHelper.Info($"写入成功:WriteSingleCoil:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"写入成功:WriteSingleCoil:IP:{ip},Port:{port}"); |
| | | } |
| | | else { |
| | | //写入失败 |
| | | LogHelper.Info($"写入失败:WriteSingleCoil:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"写入失败:WriteSingleCoil:IP:{ip},Port:{port}"); |
| | | } |
| | | } |
| | | catch (Exception ex) { |
| | |
| | | } |
| | | } |
| | | else { |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | } |
| | | return res; |
| | | } |
| | |
| | | res = value == client.ReadHoldingRegisters(registerAddress, 1)[0]; |
| | | if (res) { |
| | | //写入成功 |
| | | LogHelper.Info($"写入成功:WriteSingleRegister:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"写入成功:WriteSingleRegister:IP:{ip},Port:{port}"); |
| | | } |
| | | else { |
| | | //写入失败 |
| | | LogHelper.Info($"写入失败:WriteSingleRegister:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"写入失败:WriteSingleRegister:IP:{ip},Port:{port}"); |
| | | } |
| | | } |
| | | catch (Exception ex) { |
| | |
| | | } |
| | | } |
| | | else { |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | } |
| | | return res; |
| | | } |
| | |
| | | res = values.SequenceEqual(dataRead); |
| | | if (res) { |
| | | //写入成功 |
| | | LogHelper.Info($"写入成功:WriteMultipleCoils:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"写入成功:WriteMultipleCoils:IP:{ip},Port:{port}"); |
| | | } |
| | | else { |
| | | //写入失败 |
| | | LogHelper.Info($"写入失败:WriteMultipleCoils:IP:{ip},Port:{port}"); |
| | | LogHelper.Info($"写入失败:WriteMultipleCoils:IP:{ip},Port:{port}"); |
| | | } |
| | | } |
| | | catch (Exception ex) { |
| | |
| | | } |
| | | } |
| | | else { |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | } |
| | | return res; |
| | | } |
| | |
| | | } |
| | | } |
| | | else { |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | LogHelper.Info($"未找到Modbus设备实例对象,或对象未成功连接"); |
| | | } |
| | | return res; |
| | | } |
| | |
| | | if (quantity < 1 || quantity > 2000) |
| | | throw new ArgumentException("Quantity must be between 1 and 2000"); |
| | | |
| | | // 构建请求报文(12字节) |
| | | // 构建请求报文 (12字节) |
| | | byte[] request = new byte[12]; |
| | | request[0] = 0x00; // 事务ID高字节 |
| | | request[1] = 0x01; // 事务ID低字节(示例值) |
| | | request[2] = 0x00; // 协议ID高字节(固定0) |
| | | request[3] = 0x00; // 协议ID低字节(固定0) |
| | | request[4] = 0x00; // 长度高字节(后续6字节) |
| | | request[1] = 0x01; // 事务ID低字节 (示例值) |
| | | request[2] = 0x00; // 协议ID高字节 (固定0) |
| | | request[3] = 0x00; // 协议ID低字节 (固定0) |
| | | request[4] = 0x00; // 长度高字节 (后续6字节) |
| | | request[5] = 0x06; // 长度低字节 |
| | | request[6] = unitIdentifier; // 单元标识符 |
| | | request[7] = 0x01; // 功能码(读线圈) |
| | | request[7] = 0x01; // 功能码 (读线圈) |
| | | request[8] = (byte)(startingAddress >> 8); // 起始地址高字节 |
| | | request[9] = (byte)startingAddress; // 起始地址低字节 |
| | | request[10] = (byte)(quantity >> 8); // 数量高字节 |
| | |
| | | // 发送请求 |
| | | _networkStream.Write(request, 0, request.Length); |
| | | |
| | | // 读取响应头(8字节) |
| | | // 读取响应头 (8字节) |
| | | byte[] responseHeader = new byte[8]; |
| | | int bytesRead = _networkStream.Read(responseHeader, 0, 8); |
| | | if (bytesRead != 8) |
| | | throw new Exception("Invalid response header length"); |
| | | |
| | | // 校验事务ID、协议ID、单元标识符 |
| | | // 校验事务ID,协议ID,单元标识符 |
| | | if (responseHeader[0] != request[0] || responseHeader[1] != request[1] || |
| | | responseHeader[2] != 0x00 || responseHeader[3] != 0x00 || |
| | | responseHeader[6] != unitIdentifier) |
| | | throw new Exception("Invalid response header"); |
| | | |
| | | // 检查异常响应(功能码 + 0x80) |
| | | // 检查异常响应 (功能码 + 0x80) |
| | | if (responseHeader[7] == 0x81) { |
| | | int errorCode = _networkStream.ReadByte(); |
| | | throw new Exception($"Modbus error. Code: {errorCode}"); |
| | |
| | | else if (responseHeader[7] != 0x01) |
| | | throw new Exception("Invalid function code in response"); |
| | | |
| | | // 读取数据部分(字节数 + 实际数据) |
| | | // 读取数据部分 (字节数 + 实际数据) |
| | | byte byteCount = responseHeader[8]; |
| | | byte[] responseData = new byte[byteCount]; |
| | | bytesRead = _networkStream.Read(responseData, 0, byteCount); |
| | | if (bytesRead != byteCount) |
| | | throw new Exception("Invalid response data length"); |
| | | |
| | | // 解析线圈状态(每个位表示一个线圈) |
| | | // 解析线圈状态 (每个位表示一个线圈) |
| | | bool[] coils = new bool[quantity]; |
| | | for (int i = 0; i < quantity; i++) { |
| | | int byteIndex = i / 8; |
| | |
| | | } |
| | | |
| | | public bool[] ReadDiscreteInputs(int startingAddress, int quantity) { |
| | | // 报文结构与ReadCoils几乎相同,仅功能码改为0x02 |
| | | // 报文结构与ReadCoils几乎相同,仅功能码改为0x02 |
| | | byte[] request = new byte[12]; |
| | | request[0] = 0x00; // 事务ID高字节 |
| | | request[1] = 0x01; // 事务ID低字节(示例值) |
| | | request[2] = 0x00; // 协议ID高字节(固定0) |
| | | request[3] = 0x00; // 协议ID低字节(固定0) |
| | | request[4] = 0x00; // 长度高字节(后续6字节) |
| | | request[1] = 0x01; // 事务ID低字节 (示例值) |
| | | request[2] = 0x00; // 协议ID高字节 (固定0) |
| | | request[3] = 0x00; // 协议ID低字节 (固定0) |
| | | request[4] = 0x00; // 长度高字节 (后续6字节) |
| | | request[5] = 0x06; // 长度低字节 |
| | | request[6] = unitIdentifier; |
| | | request[7] = 0x02; // 功能码:读离散输入 |
| | | request[7] = 0x02; // 功能码:读离散输入 |
| | | request[8] = (byte)(startingAddress >> 8); // 起始地址高字节 |
| | | request[9] = (byte)startingAddress; // 起始地址低字节 |
| | | request[10] = (byte)(quantity >> 8); // 数量高字节 |
| | |
| | | byte[] responseHeader = new byte[8]; |
| | | _networkStream.Read(responseHeader, 0, 8); |
| | | |
| | | // 校验和异常处理(参考ReadCoils) |
| | | // 校验和异常处理 (参考ReadCoils) |
| | | if (responseHeader[7] == 0x82) // 异常响应 |
| | | { |
| | | int errorCode = _networkStream.ReadByte(); |
| | |
| | | if (quantity < 1 || quantity > 125) |
| | | throw new ArgumentException("Quantity must be between 1 and 125"); |
| | | |
| | | // 构建请求报文(12字节) |
| | | // 构建请求报文 (12字节) |
| | | byte[] request = new byte[12]; |
| | | request[0] = 0x00; // 事务ID高字节(示例值) |
| | | request[0] = 0x00; // 事务ID高字节 (示例值) |
| | | request[1] = 0x01; // 事务ID低字节 |
| | | request[2] = 0x00; // 协议ID高字节(固定0) |
| | | request[3] = 0x00; // 协议ID低字节(固定0) |
| | | request[4] = 0x00; // 长度高字节(后续6字节) |
| | | request[2] = 0x00; // 协议ID高字节 (固定0) |
| | | request[3] = 0x00; // 协议ID低字节 (固定0) |
| | | request[4] = 0x00; // 长度高字节 (后续6字节) |
| | | request[5] = 0x06; // 长度低字节 |
| | | request[6] = unitIdentifier; // 单元标识符 |
| | | request[7] = 0x03; // 功能码(读保持寄存器) |
| | | request[7] = 0x03; // 功能码 (读保持寄存器) |
| | | request[8] = (byte)(startingAddress >> 8); // 起始地址高字节 |
| | | request[9] = (byte)startingAddress; // 起始地址低字节 |
| | | request[10] = (byte)(quantity >> 8); // 数量高字节 |
| | |
| | | // 发送请求 |
| | | _networkStream.Write(request, 0, request.Length); |
| | | |
| | | // 读取响应头(8字节) |
| | | // 读取响应头 (8字节) |
| | | byte[] responseHeader = new byte[8]; |
| | | int bytesRead = _networkStream.Read(responseHeader, 0, 8); |
| | | if (bytesRead != 8) |
| | | throw new Exception("Invalid response header length"); |
| | | |
| | | // 校验事务ID、协议ID、单元标识符 |
| | | // 校验事务ID,协议ID,单元标识符 |
| | | if (responseHeader[0] != request[0] || responseHeader[1] != request[1] || |
| | | responseHeader[2] != 0x00 || responseHeader[3] != 0x00 || |
| | | responseHeader[6] != unitIdentifier) |
| | | throw new Exception("Invalid response header"); |
| | | |
| | | // 检查异常响应(功能码 + 0x80) |
| | | // 检查异常响应 (功能码 + 0x80) |
| | | if (responseHeader[7] == 0x83) { |
| | | int errorCode = _networkStream.ReadByte(); |
| | | throw new Exception($"Modbus error. Code: {errorCode}"); |
| | |
| | | else if (responseHeader[7] != 0x03) |
| | | throw new Exception("Invalid function code in response"); |
| | | |
| | | // 读取数据部分(字节数 + 实际数据) |
| | | // 读取数据部分 (字节数 + 实际数据) |
| | | byte byteCount = responseHeader[8]; |
| | | byte[] responseData = new byte[byteCount]; |
| | | bytesRead = _networkStream.Read(responseData, 0, byteCount); |
| | | if (bytesRead != byteCount) |
| | | throw new Exception("Invalid response data length"); |
| | | |
| | | // 解析寄存器值(大端序) |
| | | // 解析寄存器值 (大端序) |
| | | int[] registers = new int[quantity]; |
| | | for (int i = 0; i < quantity; i++) { |
| | | int offset = i * 2; |
| | |
| | | // 构建Modbus TCP请求报文 |
| | | byte[] request = new byte[12]; |
| | | |
| | | // 事务标识符(可以简单递增) |
| | | // 事务标识符 (可以简单递增) |
| | | request[0] = 0x00; |
| | | request[1] = 0x01; |
| | | |
| | | // 协议标识符(Modbus固定为0) |
| | | // 协议标识符 (Modbus固定为0) |
| | | request[2] = 0x00; |
| | | request[3] = 0x00; |
| | | |
| | | // 长度字段(后面还有6字节) |
| | | // 长度字段 (后面还有6字节) |
| | | request[4] = 0x00; |
| | | request[5] = 0x06; |
| | | |
| | | // 单元标识符 |
| | | request[6] = unitIdentifier; |
| | | |
| | | // 功能码(4表示读输入寄存器) |
| | | // 功能码 (4表示读输入寄存器) |
| | | request[7] = 0x04; |
| | | |
| | | // 起始地址 |
| | |
| | | |
| | | _networkStream.Write(request, 0, request.Length); |
| | | |
| | | // 响应应与请求完全一致(回显) |
| | | // 响应应与请求完全一致 (回显) |
| | | byte[] response = new byte[12]; |
| | | int bytesRead = _networkStream.Read(response, 0, 12); |
| | | if (bytesRead != 12) |
| | |
| | | |
| | | _networkStream.Write(request, 0, request.Length); |
| | | |
| | | // 检查回显响应(同WriteSingleCoil) |
| | | // 检查回显响应 (同WriteSingleCoil) |
| | | byte[] response = new byte[12]; |
| | | _networkStream.Read(response, 0, 12); |
| | | if (!response.SequenceEqual(request)) |
| | |
| | | if (quantity < 1 || quantity > 1968) |
| | | throw new ArgumentException("Quantity must be between 1 and 1968"); |
| | | |
| | | // 计算需要的字节数(每个字节存储8个线圈状态) |
| | | // 计算需要的字节数 (每个字节存储8个线圈状态) |
| | | int byteCount = (quantity + 7) / 8; |
| | | byte[] coilBytes = new byte[byteCount]; |
| | | |
| | |
| | | } |
| | | } |
| | | |
| | | // 构建请求报文(13 + 线圈字节数) |
| | | // 构建请求报文 (13 + 线圈字节数) |
| | | byte[] request = new byte[13 + coilBytes.Length]; |
| | | request[0] = 0x00; // 事务ID高字节 |
| | | request[1] = 0x01; // 事务ID低字节 |
| | |
| | | request[4] = (byte)((7 + coilBytes.Length) >> 8); // 长度高字节 |
| | | request[5] = (byte)(7 + coilBytes.Length); // 长度低字节 |
| | | request[6] = unitIdentifier; |
| | | request[7] = 0x0F; // 功能码(写多个线圈) |
| | | request[7] = 0x0F; // 功能码 (写多个线圈) |
| | | request[8] = (byte)(startingAddress >> 8); // 起始地址高字节 |
| | | request[9] = (byte)startingAddress; // 起始地址低字节 |
| | | request[10] = (byte)(quantity >> 8); // 数量高字节 |
| | |
| | | // 发送请求 |
| | | _networkStream.Write(request, 0, request.Length); |
| | | |
| | | // 读取响应(固定12字节) |
| | | // 读取响应 (固定12字节) |
| | | byte[] response = new byte[12]; |
| | | int bytesRead = _networkStream.Read(response, 0, 12); |
| | | if (bytesRead != 12) |
| | |
| | | if (quantity < 1 || quantity > 123) |
| | | throw new ArgumentException("Quantity must be between 1 and 123"); |
| | | |
| | | // 将ushort数组转换为字节数组(大端序) |
| | | // 将ushort数组转换为字节数组 (大端序) |
| | | byte[] valueBytes = new byte[quantity * 2]; |
| | | for (int i = 0; i < quantity; i++) { |
| | | valueBytes[i * 2] = (byte)(values[i] >> 8); |
| | | valueBytes[i * 2 + 1] = (byte)values[i]; |
| | | } |
| | | |
| | | // 构建请求报文(13 + 值字节数) |
| | | // 构建请求报文 (13 + 值字节数) |
| | | byte[] request = new byte[13 + valueBytes.Length]; |
| | | request[0] = 0x00; // 事务ID高字节 |
| | | request[1] = 0x01; // 事务ID低字节 |
| | |
| | | request[4] = (byte)((7 + valueBytes.Length) >> 8); // 长度高字节 |
| | | request[5] = (byte)(7 + valueBytes.Length); // 长度低字节 |
| | | request[6] = unitIdentifier; |
| | | request[7] = 0x10; // 功能码(写多个寄存器) |
| | | request[7] = 0x10; // 功能码 (写多个寄存器) |
| | | request[8] = (byte)(startingAddress >> 8); // 起始地址高字节 |
| | | request[9] = (byte)startingAddress; // 起始地址低字节 |
| | | request[10] = (byte)(quantity >> 8); // 数量高字节 |
| | |
| | | // 发送请求 |
| | | _networkStream.Write(request, 0, request.Length); |
| | | |
| | | // 读取响应(固定12字节) |
| | | // 读取响应 (固定12字节) |
| | | byte[] response = new byte[12]; |
| | | int bytesRead = _networkStream.Read(response, 0, 12); |
| | | if (bytesRead != 12) |