/// <summary> /// 单个电表查询线程的执行过程 /// </summary> /// <param name="deviceInfo"></param> protected override void InquiryTask(ModbusDeviceInfo deviceInfo) { TcpSocketCommunicator inquirer = new TcpSocketCommunicator(); try { // 与设备模块进行连接(Connect) // 设定Receive的接收超时时间为3000毫秒 AppendUITextBox(" 开始连接: " + deviceInfo.DeviceName); inquirer.Connect(deviceInfo.HostName, deviceInfo.PortNum, 3000); AppendUITextBox(" " + deviceInfo.DeviceName + "连接成功!"); System.Threading.Thread.Sleep(100); // 向设备模块发送查询指令(Modbus协议) // 第一个字节是通信地址(设备号) // 第二个字节是功能码0x03(读数据) // 后面依次是读的起始地址0x0000和读长度0x004E(=78, 读到"正向(吸收)有功电能") // 最后两个字节是CRC16校验码 byte[] tmpBytes = { (byte)deviceInfo.DeviceAddr, 0x03, 0x00, 0x00, 0x00, 0x4E }; // 计算CRC校验码 UInt16 crc16 = CRC16(tmpBytes, 6); byte crcLowByte = (byte)(crc16 & 0x00FF); byte crcHighByte = (byte)((crc16 & 0xFF00) >> 8); byte[] sendBytes = { (byte)deviceInfo.DeviceAddr, 0x03, 0x00, 0x00, 0x00, 0x4E, crcLowByte, crcHighByte }; // 向设备模块发送Modbus读数查询指令 AppendUITextBox(" 查询 " + deviceInfo.DeviceName + " 指令发送!"); inquirer.Send(sendBytes); // 接收设备模块返回的读数查询结果 ReceiveData rd = inquirer.Receive(); AppendUITextBox(" 接收到 " + deviceInfo.DeviceName + " 应答数据: " + rd.RcvLen.ToString() + " 字节."); // 对应答数据进行检查, 返回的第一个字节应该跟设备地址号一致 if ( (rd.RcvLen >= 1) && (deviceInfo.DeviceAddr != rd.RcvBytes[0]) ) { AppendUITextBox(" " + "收到的应答设备地址不一致: " + rd.RcvBytes[0].ToString()); return; } float fValue; string insertStr = GetReportString(rd, deviceInfo, out fValue); if (null == insertStr) { return; } AppendUITextBox(" " + deviceInfo.DeviceName + " : 读数值 = " + fValue.ToString() + " + " + deviceInfo.Adjustment.ToString() + " = " + (fValue + deviceInfo.Adjustment).ToString()); // 上报给服务器 ReportToDBServer(insertStr, deviceInfo.DeviceName); } catch (Exception ex) { System.Diagnostics.Trace.WriteLine(ex.ToString()); AppendUITextBox(" " + deviceInfo.DeviceName + " : 查询失败!"); } finally { inquirer.Close(); } }
/// <summary> /// 单个电表查询线程的执行过程 /// </summary> /// <param name="deviceInfo"></param> override protected void InquiryTask(ModbusDeviceInfo deviceInfo) { TcpSocketCommunicator inquirer = new TcpSocketCommunicator(); try { // 与设备模块进行连接(Connect) // 设定Receive的接收超时时间为3000毫秒 AppendUITextBox(" 开始连接: "+ deviceInfo.DeviceName); inquirer.Connect(deviceInfo.HostName, deviceInfo.PortNum, 3000); AppendUITextBox(" "+ deviceInfo.DeviceName + "连接成功!"); System.Threading.Thread.Sleep(100); // 向设备模块发送查询指令(Modbus协议) // 第一个字节是通信地址(设备号) // 第二个字节是功能码0x03(读数据) // 后面依次是读的起始地址0x0000和读长度0x004E(=78, 读到"正向(吸收)有功电能") // 最后两个字节是CRC16校验码 byte[] tmpBytes = { (byte)deviceInfo.DeviceAddr, 0x03, 0x00, 0x00, 0x00, 0x4E }; // 计算CRC校验码 UInt16 crc16 = CRC16(tmpBytes, 6); byte crcLowByte = (byte)(crc16 & 0x00FF); byte crcHighByte = (byte)((crc16 & 0xFF00) >> 8); byte[] sendBytes = { (byte)deviceInfo.DeviceAddr, 0x03, 0x00, 0x00, 0x00, 0x4E, crcLowByte, crcHighByte }; // 向设备模块发送Modbus读数查询指令 AppendUITextBox(" 查询 "+ deviceInfo.DeviceName + " 指令发送!"); inquirer.Send(sendBytes); // 接收设备模块返回的读数查询结果 ReceiveData rd = inquirer.Receive(); AppendUITextBox(" 接收到 "+ deviceInfo.DeviceName + " 应答数据: " + rd.RcvLen.ToString() + " 字节."); // 对应答数据进行检查, 返回的第一个字节应该跟设备地址号一致 if ((rd.RcvLen >= 1) && (deviceInfo.DeviceAddr != rd.RcvBytes[0])) { AppendUITextBox(" "+ "收到的应答设备地址不一致: " + rd.RcvBytes[0].ToString()); return; } float fValue; string insertStr = GetReportString(rd, deviceInfo, out fValue); if (null == insertStr) { return; } AppendUITextBox(" "+ deviceInfo.DeviceName + " : 读数值 = " + fValue.ToString() + " + " + deviceInfo.Adjustment.ToString() + " = " + (fValue + deviceInfo.Adjustment).ToString()); // 上报给服务器 ReportToDBServer(insertStr, deviceInfo.DeviceName); } catch (Exception ex) { System.Diagnostics.Trace.WriteLine(ex.ToString()); AppendUITextBox(" "+ deviceInfo.DeviceName + " : 查询失败!"); } finally { inquirer.Close(); } }
/// <summary> /// 单个设备查询线程的执行过程 /// </summary> /// <param name="deviceInfo"></param> protected override void InquiryTask(ModbusDeviceInfo deviceInfo) { string dateTimeStr = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); TcpSocketCommunicator inquirer = new TcpSocketCommunicator(); try { // 与设备模块进行连接(Connect) // 设定Receive的接收超时时间为3000毫秒 AppendUITextBox(" 开始连接: " + deviceInfo.DeviceName); inquirer.Connect(deviceInfo.HostName, deviceInfo.PortNum, 3000); AppendUITextBox(" " + deviceInfo.DeviceName + "连接成功!"); System.Threading.Thread.Sleep(100); // 发送查询命令内容 // 帧头:0x10 // 总字节数: 0x07 // 目标地址: 4byte16进制数 // IO功能编号: 0x0A PT100温度采集 string deviceAddrStr = deviceInfo.DeviceAddr.ToString().PadLeft(8, '0'); if (8 != deviceAddrStr.Length) { return; } byte b1 = Convert.ToByte(deviceAddrStr.Substring(0, 2), 16); byte b2 = Convert.ToByte(deviceAddrStr.Substring(2, 2), 16); byte b3 = Convert.ToByte(deviceAddrStr.Substring(4, 2), 16); byte b4 = Convert.ToByte(deviceAddrStr.Substring(6, 2), 16); byte[] sendBytes = { 0x10, 0x07, b1, b2, b3, b4, 0x0a }; // 向设备模块发送读数查询指令 AppendUITextBox(" 查询 " + deviceInfo.DeviceName + " 指令发送!"); inquirer.Send(sendBytes); // 接收设备模块返回的读数查询结果 ReceiveData ir = inquirer.Receive(); AppendUITextBox(" 接收到 " + deviceInfo.DeviceName + " 应答数据: " + ir.RcvLen.ToString() + " 字节."); // 室温返回的结果是字符串, 直接是以小数表示, 所以不用除以量纲 string outStr = System.Text.Encoding.ASCII.GetString(ir.RcvBytes).Substring(0, ir.RcvLen); int idx = -1; string temperatureStr = ""; // 加号表示零上温度,减号表示零下温度 if (-1 != (idx = outStr.IndexOf('+'))) { temperatureStr = outStr.Substring(idx).Trim(); } else if (-1 != (idx = outStr.IndexOf('-'))) { temperatureStr = outStr.Substring(idx).Trim(); } else { return; } float temperatureVal = 0; if (!float.TryParse(temperatureStr, out temperatureVal)) { return; } // 加上校正值进行校正调整得到最终的温度值 float fValue = temperatureVal + deviceInfo.Adjustment; AppendUITextBox(" " + deviceInfo.DeviceName + " 返回值: " + temperatureStr + " + (" + deviceInfo.Adjustment.ToString() + ") = " + fValue.ToString()); // 上报给服务器 string insertStr = GetReportString(dateTimeStr, fValue, deviceInfo); AppendUITextBox(" " + deviceInfo.DeviceName + " : 读数值 = " + fValue.ToString()); ReportToDBServer(insertStr, deviceInfo.DeviceName); // 判断温度值是否在正常区间内 int alarmType = 0; if (0 != (alarmType = IsTemperatureOutOfRange(fValue))) { AddTemperatureAlarmRecord(deviceInfo, alarmType, fValue); } } catch (Exception ex) { AppendUITextBox(" " + deviceInfo.DeviceName + ": 查询失败!"); System.Diagnostics.Trace.WriteLine(ex.ToString()); } finally { inquirer.Close(); } }
/// <summary> /// 单个设备查询线程的执行过程 /// </summary> /// <param name="deviceInfo"></param> override protected void InquiryTask(ModbusDeviceInfo deviceInfo) { string dateTimeStr = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); TcpSocketCommunicator inquirer = new TcpSocketCommunicator(); try { // 与设备模块进行连接(Connect) // 设定Receive的接收超时时间为3000毫秒 AppendUITextBox(" 开始连接: "+ deviceInfo.DeviceName); inquirer.Connect(deviceInfo.HostName, deviceInfo.PortNum, 3000); AppendUITextBox(" "+ deviceInfo.DeviceName + "连接成功!"); System.Threading.Thread.Sleep(100); // 发送查询命令内容 // 帧头:0x10 // 总字节数: 0x07 // 目标地址: 4byte16进制数 // IO功能编号: 0x0A PT100温度采集 string deviceAddrStr = deviceInfo.DeviceAddr.ToString().PadLeft(8, '0'); if (8 != deviceAddrStr.Length) { return; } byte b1 = Convert.ToByte(deviceAddrStr.Substring(0, 2), 16); byte b2 = Convert.ToByte(deviceAddrStr.Substring(2, 2), 16); byte b3 = Convert.ToByte(deviceAddrStr.Substring(4, 2), 16); byte b4 = Convert.ToByte(deviceAddrStr.Substring(6, 2), 16); byte[] sendBytes = { 0x10, 0x07, b1, b2, b3, b4, 0x0a }; // 向设备模块发送读数查询指令 AppendUITextBox(" 查询 "+ deviceInfo.DeviceName + " 指令发送!"); inquirer.Send(sendBytes); // 接收设备模块返回的读数查询结果 ReceiveData ir = inquirer.Receive(); AppendUITextBox(" 接收到 "+ deviceInfo.DeviceName + " 应答数据: " + ir.RcvLen.ToString() + " 字节."); // 室温返回的结果是字符串, 直接是以小数表示, 所以不用除以量纲 string outStr = System.Text.Encoding.ASCII.GetString(ir.RcvBytes).Substring(0, ir.RcvLen); int idx = -1; string temperatureStr = ""; // 加号表示零上温度,减号表示零下温度 if (-1 != (idx = outStr.IndexOf('+'))) { temperatureStr = outStr.Substring(idx).Trim(); } else if (-1 != (idx = outStr.IndexOf('-'))) { temperatureStr = outStr.Substring(idx).Trim(); } else { return; } float temperatureVal = 0; if (!float.TryParse(temperatureStr, out temperatureVal)) { return; } // 加上校正值进行校正调整得到最终的温度值 float fValue = temperatureVal + deviceInfo.Adjustment; AppendUITextBox(" "+ deviceInfo.DeviceName + " 返回值: " + temperatureStr + " + (" + deviceInfo.Adjustment.ToString() + ") = " + fValue.ToString()); // 上报给服务器 string insertStr = GetReportString(dateTimeStr, fValue, deviceInfo); AppendUITextBox(" "+ deviceInfo.DeviceName + " : 读数值 = " + fValue.ToString()); ReportToDBServer(insertStr, deviceInfo.DeviceName); // 判断温度值是否在正常区间内 int alarmType = 0; if (0 != (alarmType = IsTemperatureOutOfRange(fValue))) { AddTemperatureAlarmRecord(deviceInfo, alarmType, fValue); } } catch (Exception ex) { AppendUITextBox(" "+ deviceInfo.DeviceName + ": 查询失败!"); System.Diagnostics.Trace.WriteLine(ex.ToString()); } finally { inquirer.Close(); } }