PLc连接与操作例程(C#源码)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using S7.Net;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        //定义PLC类型
        Plc S71500;      
        public Form1()
        {
            InitializeComponent();
           
        }
        private void Form1_Load(object sender, EventArgs e)
        {

            //下拉框添加数据类型项
            Data_Type.Items.Add("Bool");
            Data_Type.Items.Add("Int");
            Data_Type.Items.Add("DInt");
            Data_Type.Items.Add("Real");
            Data_Type.Text = "Real";

            //使能、禁止按钮操作
            button1.Enabled = true;
            button2.Enabled = false;
            Read_Data.Enabled = false;
            Write_Data.Enabled = false;
        }
        
        private void label4_Click(object sender, EventArgs e)
        {

        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            //创建PLC对象
            S71500 = new Plc(CpuType.S71500, "127.0.0.1", 0, 1);

            //调用S7.NET中的方法连接PLC
            S71500.Open();

            //连接成功后使能操作按钮
            if (S71500.IsConnected)
            {
                button1.Enabled = false;
                button2.Enabled = true;
                Read_Data.Enabled = true;
                Write_Data.Enabled = true;
                textBox1.Text = "已连接到PLC";
            }
            else
                textBox1.Text = "PLC 连接不成功，请检查IP地址、机架、插槽等是否正确";
            
        }

        private void button2_Click(object sender, EventArgs e)
        {
            //调用S7.NET中的方法断开PLC
            S71500.Close();

            //断开成功后使能操作按钮
            if (!S71500.IsConnected)
            {
                button1.Enabled = true;
                button2.Enabled = false;
                Read_Data.Enabled = false;
                Write_Data.Enabled = false;
                textBox1.Text = "PLC断开成功";
            }
           else
                textBox1.Text = "PLC断开不成功";

        }

        private void Read_Data_Click(object sender, EventArgs e)
        {
            int Data_Type_Value = 0;
            if (Data_Type.Text == "Bool") Data_Type_Value = 1;
            else if (Data_Type.Text == "Int") Data_Type_Value = 2;
            else if (Data_Type.Text == "DInt") Data_Type_Value = 3;
            else if (Data_Type.Text == "Real") Data_Type_Value = 4;
            else Data_Type_Value = 0;

            switch (Data_Type_Value)
            {
                case 1:
                     Current_Value.Text = Convert.ToString(S71500.Read(DataType.DataBlock,
                     Convert.ToInt16(DB_Number.Text), Convert.ToInt16(Start_Address.Text), VarType.Bit, 1, 0));                  
                     break;
                case 2:
                    Current_Value.Text = Convert.ToString(S71500.Read(DataType.DataBlock,
                    Convert.ToInt16(DB_Number.Text), Convert.ToInt16(Start_Address.Text), VarType.Int, 1, 0));
                    break;
                case 3:
                    Current_Value.Text = Convert.ToString(S71500.Read(DataType.DataBlock,
                    Convert.ToInt16(DB_Number.Text), Convert.ToInt16(Start_Address.Text), VarType.DInt, 1, 0));
                    break;
                case 4:
                    Current_Value.Text = Convert.ToString(S71500.Read(DataType.DataBlock,
                    Convert.ToInt16(DB_Number.Text), Convert.ToInt16(Start_Address.Text), VarType.Real, 1, 0));
                    break;
                default:  break;
            }        

        }

        private void Write_Data_Click(object sender, EventArgs e)
        {
            int Data_Type_Value = 0;
            if (Data_Type.Text == "Bool") Data_Type_Value = 1;
            else if (Data_Type.Text == "Int") Data_Type_Value = 2;
            else if (Data_Type.Text == "DInt") Data_Type_Value = 3;
            else if (Data_Type.Text == "Real") Data_Type_Value = 4;
            else Data_Type_Value = 0;

           
            switch (Data_Type_Value)
            {
               
                case 1:
                    S71500.WriteBit(DataType.DataBlock, Convert.ToInt16(DB_Number.Text),
                   Convert.ToInt16(Start_Address.Text),0, Convert.ToBoolean(Write_Value.Text));
                    break;
                case 2:
                   S71500.Write(DataType.DataBlock, Convert.ToInt16(DB_Number.Text),
                   Convert.ToInt16(Start_Address.Text), Convert.ToInt16(Write_Value.Text));
                    break;
                case 3:
                    S71500.Write(DataType.DataBlock, Convert.ToInt16(DB_Number.Text),
                    Convert.ToInt16(Start_Address.Text), Convert.ToInt32(Write_Value.Text));
                    break;
                case 4:
                    S71500.Write(DataType.DataBlock, Convert.ToInt16(DB_Number.Text),
                    Convert.ToInt16(Start_Address.Text), Convert.ToDouble(Write_Value.Text));
                    break;
                default: break;
            }
        }
       
    }
}

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资源文件列表

S7_1500_Test/WindowsFormsApp1/S7_1500_Test.csproj , 3799
S7_1500_Test/.vs/S7_1500_Test/v14/.suo , 50688
S7_1500_Test/.vs/S7_1500_Test/v15/.suo , 60416
S7_1500_Test/.vs/S7_1500_Test/v15/Server/sqlite3/db.lock , 0
S7_1500_Test/.vs/S7_1500_Test/v15/Server/sqlite3/storage.ide , 618496
S7_1500_Test/packages/S7netplus.0.3.0/lib/net452/S7.Net.dll , 65536
S7_1500_Test/packages/S7netplus.0.3.0/lib/net452/S7.Net.pdb , 21424
S7_1500_Test/packages/S7netplus.0.3.0/lib/netstandard1.3/S7.Net.dll , 65536
S7_1500_Test/packages/S7netplus.0.3.0/lib/netstandard1.3/S7.Net.pdb , 21368
S7_1500_Test/packages/S7netplus.0.3.0/lib/netstandard2.0/S7.Net.dll , 65536
S7_1500_Test/packages/S7netplus.0.3.0/lib/netstandard2.0/S7.Net.pdb , 21424
S7_1500_Test/packages/S7netplus.0.3.0/S7netplus.0.3.0.nupkg , 120700
S7_1500_Test/S7_1500_Test.sln , 1136
S7_1500_Test/S7_1500_Test.v12.suo , 24064
S7_1500_Test/WindowsFormsApp1/App.config , 189
S7_1500_Test/WindowsFormsApp1/bin/Debug/S7.Net.dll , 65536
S7_1500_Test/WindowsFormsApp1/bin/Debug/S7.Net.pdb , 21424
S7_1500_Test/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe , 15360
S7_1500_Test/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.exe.config , 189
S7_1500_Test/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.pdb , 24064
S7_1500_Test/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.vshost.exe , 22696
S7_1500_Test/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.vshost.exe.config , 189
S7_1500_Test/WindowsFormsApp1/bin/Debug/WindowsFormsApp1.vshost.exe.manifest , 490
S7_1500_Test/WindowsFormsApp1/Form1.cs , 5667
S7_1500_Test/WindowsFormsApp1/Form1.Designer.cs , 14490
S7_1500_Test/WindowsFormsApp1/Form1.resx , 5817
S7_1500_Test/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferences.cache , 1464
S7_1500_Test/WindowsFormsApp1/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 7274
S7_1500_Test/WindowsFormsApp1/obj/Debug/S7_1500_Test.csproj.CopyComplete , 0
S7_1500_Test/WindowsFormsApp1/obj/Debug/S7_1500_Test.csproj.CoreCompileInputs.cache , 42
S7_1500_Test/WindowsFormsApp1/obj/Debug/S7_1500_Test.csproj.FileListAbsolute.txt , 3244
S7_1500_Test/WindowsFormsApp1/obj/Debug/S7_1500_Test.csproj.GenerateResource.Cache , 1012
S7_1500_Test/WindowsFormsApp1/obj/Debug/S7_1500_Test.csprojResolveAssemblyReference.cache , 14022
S7_1500_Test/WindowsFormsApp1/obj/Debug/TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs , 0
S7_1500_Test/WindowsFormsApp1/obj/Debug/TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs , 0
S7_1500_Test/WindowsFormsApp1/obj/Debug/TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs , 0
S7_1500_Test/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.csproj.CoreCompileInputs.cache , 42
S7_1500_Test/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.exe , 15360
S7_1500_Test/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.Form1.resources , 180
S7_1500_Test/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.pdb , 24064
S7_1500_Test/WindowsFormsApp1/obj/Debug/WindowsFormsApp1.Properties.Resources.resources , 180
S7_1500_Test/WindowsFormsApp1/packages.config , 137
S7_1500_Test/WindowsFormsApp1/Program.cs , 543
S7_1500_Test/WindowsFormsApp1/Properties/AssemblyInfo.cs , 1348
S7_1500_Test/WindowsFormsApp1/Properties/Resources.Designer.cs , 2845
S7_1500_Test/WindowsFormsApp1/Properties/Resources.resx , 5612
S7_1500_Test/WindowsFormsApp1/Properties/Settings.Designer.cs , 1103
S7_1500_Test/WindowsFormsApp1/Properties/Settings.settings , 249