easymodbus实例转载()

使用EasyModbus，NuGet安装EasyModbusTCP 5.6.0

添加命名空间using EasyModbus;

byte _DeviceId = 8;ModbusClient modbusClient = null;object _transferLockObj = new object(); public void OpenSerialPort() { try { modbusClient = new ModbusClient(“COM1”); modbusClient.UnitIdentifier = _DeviceId; modbusClient.Baudrate = _baudRate; modbusClient.Parity = Parity.None; modbusClient.StopBits = StopBits.One; modbusClient.ConnectionTimeout = 500; modbusClient.Connect(); } catch (Exception ex) { } } /// <summary> /// 写入单个寄存器并获取响应 /// </summary> public byte[] WriteSingleRegister(ushort regAddr, ushort value) { try { lock (_transferLockObj) { modbusClient.receiveData = null; modbusClient.WriteSingleRegister(regAddr, value); byte[] Rec = modbusClient.receiveData; return Rec; } } catch (Exception ex) { return null; } } /// <summary> /// 读取寄存器 /// </summary> public int[] ReadRegisters(ushort regStartAddr, ushort regEndAddr) { try { lock (_transferLockObj) { ushort Lenth = (ushort)(regEndAddr – regStartAddr + 1); int[] rec = modbusClient.ReadHoldingRegisters(regStartAddr, Lenth); return rec; } } catch (Exception ex) { return null; } }————————————————版权声明：本文为CSDN博主「glmushroom」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。原文链接：https://blog.csdn.net/glmushroom/article/details/125749515

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使用EasyModbus，NuGet安装EasyModbusTCP 5.6.0

添加命名空间using EasyModbus;

byte _DeviceId = 8;ModbusClient modbusClient = null;object _transferLockObj = new object(); public void OpenSerialPort() { try { modbusClient = new ModbusClient(“COM1”); modbusClient.UnitIdentifier = _DeviceId; modbusClient.Baudrate = _baudRate; modbusClient.Parity = Parity.None; modbusClient.StopBits = StopBits.One; modbusClient.ConnectionTimeout = 500; modbusClient.Connect(); } catch (Exception ex) { } } /// <summary> /// 写入单个寄存器并获取响应 /// </summary> public byte[] WriteSingleRegister(ushort regAddr, ushort value) { try { lock (_transferLockObj) { modbusClient.receiveData = null; modbusClient.WriteSingleRegister(regAddr, value); byte[] Rec = modbusClient.receiveData; return Rec; } } catch (Exception ex) { return null; } } /// <summary> /// 读取寄存器 /// </summary> public int[] ReadRegisters(ushort regStartAddr, ushort regEndAddr) { try { lock (_transferLockObj) { ushort Lenth = (ushort)(regEndAddr – regStartAddr + 1); int[] rec = modbusClient.ReadHoldingRegisters(regStartAddr, Lenth); return rec; } } catch (Exception ex) { return null; } }————————————————版权声明：本文为CSDN博主「glmushroom」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。原文链接：https://blog.csdn.net/glmushroom/article/details/125749515