using Newtonsoft.Json.Linq; using NModbus; using System; using System.Data; using System.IO; using System.Net.Sockets; using System.Text; namespace Gs.DevApp { public partial class XtraForm1 : DevExpress.XtraEditors.XtraForm { public XtraForm1() { InitializeComponent(); } /// /// 水检 /// /// /// private void simpleButton2_Click(object sender, EventArgs e) { string strCsl1 = ""; string strSw1 = ""; string strCsl2 = ""; string strSw2 = ""; string strCsl3 = ""; string strSw3 = ""; string strCsl4 = ""; string strSw4 = ""; string strCsl5 = ""; string strSw5 = ""; string SJJG = ""; try//水检取数,后面补充 { System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder(); string hostname = "192.168.60.51"; ModbusFactory modbusFactory = new ModbusFactory(); IModbusMaster master = modbusFactory.CreateMaster(new TcpClient(hostname, 502)); master.Transport.ReadTimeout = 10000; master.Transport.Retries = 10000; DataTable dt = new DataTable(); //参数(分别为从站地址,起始地址,长度) byte slaveAddress = byte.Parse(1.ToString()); ushort numberOfPoints = ushort.Parse("1"); float fsw = 0; DataTable dt1 = new DataTable(); ushort[] csl1 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(32.ToString()), numberOfPoints); strCsl1 = csl1[0].ToString(); ushort[] sw1 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(31.ToString()), numberOfPoints); strSw1 = (float.Parse(sw1[0].ToString()) / 10).ToString(); ushort[] csl2 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(34.ToString()), numberOfPoints); strCsl2 = csl2[0].ToString(); ushort[] sw2 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(33.ToString()), numberOfPoints); strSw2 = (float.Parse(sw2[0].ToString()) / 10).ToString(); ushort[] csl3 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(36.ToString()), numberOfPoints); strCsl3 = csl3[0].ToString(); ushort[] sw3 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(35.ToString()), numberOfPoints); strSw3 = (float.Parse(sw3[0].ToString()) / 10).ToString(); ushort[] csl4 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(38.ToString()), numberOfPoints); strCsl4 = csl4[0].ToString(); ushort[] sw4 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(37.ToString()), numberOfPoints); strSw4 = (float.Parse(sw4[0].ToString()) / 10).ToString(); ushort[] csl5 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(40.ToString()), numberOfPoints); strCsl5 = csl5[0].ToString(); ushort[] sw5 = master.ReadHoldingRegisters(slaveAddress, ushort.Parse(39.ToString()), numberOfPoints); strSw5 = (float.Parse(sw5[0].ToString()) / 10).ToString(); bool[] sjjg = master.ReadCoils(slaveAddress, ushort.Parse(77.ToString()), numberOfPoints); SJJG = sjjg[0].ToString(); /////////////////// /// // 3. 读取从站设备的寄存器 ushort startAddress = 0; // 寄存器起始地址 ushort numRegisters = 125; // 读取 10 个寄存器 try { // 读取保持寄存器(从站地址为 1) ushort[] registers = master.ReadHoldingRegisters(1, startAddress, numRegisters); // 输出结果 Console.WriteLine("读取到的寄存器值:"); foreach (var register in registers) { Console.WriteLine(register); stringBuilder.Append(register.ToString()); } richTextBox1.Text = stringBuilder.ToString(); } catch (Exception ex) { Console.WriteLine($"读取错误: {ex.Message}"); } } catch (Exception ex) { //VisiblePanel(txtDQBarCode.EditValue.ToString(), ex.Message, "NG", Color.Yellow); //txtGWM.EditValue = ""; return; } } } }