C#和台达PLC通信

C#和台达PLC通信,基于TCP/ip通信方式。适合初学者学习交流。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace BU43
{
    class DeltaPLC
    {
        public static void SetSerial（string Port int Baud int StopBits int Parity int DataBits）
        {
            Modbus.COMPort = Port;
            Modbus.Baud = Baud;
            Modbus.StopBits = StopBits;
            Modbus.Parity = Parity;
            Modbus.DataBits = DataBits;
        }

        public static int SetDReg（int Reg int RegValue）
        {
            int Result = -1;
            int DReg = 0x1000 + Reg;

            try
            {
                string tx = String.Concat（“00“ “06“ DReg.ToString（“X4“） RegValue.ToString（“X4“））;
                string rx = Modbus.Read（tx）;
                Result = 0;
            }
            catch
            {
                Result = 1;
            }

            return Result;
        }

        public static void SetDDReg（int Reg int RegValue）
        {
            int LowWord = 0 HighWord = 0;
            int DReg = 0x1000 + Reg;


            LowWord = RegValue & 0xFFFF;
            HighWord = （RegValue >> 16） & 0xFFFF;

            string tx = String.Concat（“00“ “06“ DReg.ToString（“X4“） LowWord.ToString（“X4“））;
            string rx = Modbus.Read（tx）;


            tx = String.Concat（“00“ “06“ （DReg + 1）.ToString（“X4“） HighWord.ToString（“X4“））;
            rx = Modbus.Read（tx）;

        }

        public static void ReadDReg（int Reg out double RegValue）
        {
            Reg += 0x1000;

            string tx = String.Concat（“00“ “03“ Reg.ToString（“X4“） “0001“）;
            string rx = Modbus.Read（tx）;

            RegValue = Modbus.ToDec（rx.Substring（7 4） 0 4）;
        }


        public static void ReadDDReg（int Reg out double RegValue）
        {
            double RegData_Tmp = 0;
            ushort LowWord = 0 HighWord = 0;

            Reg += 0x1000;

            string tx = String.Concat（“00“ “03“ Reg.ToString（“X4“） “0001“）;
            string rx = Modbus.Read（tx）;

            RegData_Tmp = Modbus.ToDec（rx.Substring（7 4） 0 4）;
            LowWord = （ushort）RegData_Tmp;

            tx = String.Concat（“00“ “03“ （Reg + 1）.ToString（“X4“） “0001“）;
            rx = Modbus.Read（tx）;

            RegData_Tmp = Modbus.ToDec（rx.Substring（7 4） 0 4）;
            HighWord = （ushort）RegData_Tmp;


            RegValue = （int）（LowWord + （HighWord << 16））;
        }

        public static void SetMReg（int Reg bool RegState）
        {
            string RegStateValue;

            Reg += 0x800;

            if （RegState）
                RegStateValue = “FF00“;
            else
                RegStateValue = “0000“;

            string tx = String.Concat（“00“ “05“ Reg.ToString（“X4“） RegStateValue）;
            string rx = Modbus.Read（tx）;

            string sCheck = String.Concat（“:“ tx Modbus.CheckSum（tx） “\r“）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-10-29 17:03  DeltaPLC\
     目录           0  2016-10-29 17:02  DeltaPLC\Class\
     文件        4504  2016-10-29 17:01  DeltaPLC\Class\DeltaPLC.cs
     文件        9032  2016-10-29 16:38  DeltaPLC\Class\Modbus.cs
     目录           0  2016-10-29 17:03  DeltaPLC\DeltaPLC_Demo\
     目录           0  2016-10-29 17:04  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\
     文件         881  2016-10-29 17:03  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo.sln
     文件       22528  2016-11-17 08:34  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo.suo
     目录           0  2016-10-29 17:03  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\bin\
     目录           0  2016-10-29 17:11  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\bin\Debug\
     文件       17920  2016-10-30 10:14  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\bin\Debug\DeltaPLC_Demo.exe
     文件       46592  2016-10-30 10:14  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\bin\Debug\DeltaPLC_Demo.pdb
     文件       11600  2017-02-08 14:34  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\bin\Debug\DeltaPLC_Demo.vshost.exe
     文件         490  2010-03-17 22:39  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\bin\Debug\DeltaPLC_Demo.vshost.exe.manifest
     目录           0  2016-10-29 17:04  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\Class\
     文件       11452  2016-10-30 10:14  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\Class\DeltaPLC.cs
     文件        9836  2016-10-29 18:13  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\Class\Modbus.cs
     文件        3773  2016-10-29 17:10  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\DeltaPLC_Demo.csproj
     文件         522  2016-10-29 17:13  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\Form1.cs
     文件        9807  2016-10-29 17:08  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\Form1.Designer.cs
     文件        5817  2016-10-29 17:08  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\Form1.resx
     目录           0  2016-10-29 17:03  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\
     目录           0  2016-10-29 17:03  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\x86\
     目录           0  2016-11-17 08:34  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\x86\Debug\
     文件         666  2017-02-08 14:34  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\x86\Debug\DeltaPLC_Demo.csproj.FileListAbsolute.txt
     文件         975  2016-10-29 17:10  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\x86\Debug\DeltaPLC_Demo.csproj.GenerateResource.Cache
     文件       17920  2016-10-30 10:14  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\x86\Debug\DeltaPLC_Demo.exe
     文件         180  2016-10-29 17:10  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\x86\Debug\DeltaPLC_Demo.Form1.resources
     文件       46592  2016-10-30 10:14  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\x86\Debug\DeltaPLC_Demo.pdb
     文件         180  2016-10-29 17:10  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\x86\Debug\DeltaPLC_Demo.Properties.Resources.resources
     文件        5359  2016-11-17 08:34  DeltaPLC\DeltaPLC_Demo\DeltaPLC_Demo\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
............此处省略9个文件信息