1.引入倍福的TWINCAT的文件
引用--管理NUGET程序包--搜索Twincat--选择这个包安装
2.安装完成后,写一个倍福ADS通讯操作类
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Timers;
using TwinCAT.Ads;
namespace SIC上位.BeckoffHelp
{
public class BHelp
{
/// <summary>
/// 创建Ads对象
/// </summary>
public TwinCAT.Ads.TcAdsClient _adsClient = new TcAdsClient();
///// <summary>
///// 定义连接PLC的AMSNetID
///// </summary>
public string string_AmsNetID = "";
///// <summary>
///// 定义连接PLC的端口号
///// TwinCAT2,端口号801;TwinCAT3,端口号为851
///// </summary>
public int iPort = 851;
////public int iPort = 851;
/// <summary>
/// PLC连接成功的标志
/// </summary>
public bool bConnectToBeckhoffOK = false;
public ArrayList notificationHandles = new ArrayList();
public void ADS()
{
_adsClient = new TcAdsClient();
}
/// <summary>
/// 连接到PLC
/// </summary>
public void ConnectPLC()
{
try
{
_adsClient.Connect(string_AmsNetID, iPort);
//_adsClient.Connect(iPort);
bConnectToBeckhoffOK = true;
}
catch
{
bConnectToBeckhoffOK = false;
}
}
/// <summary>
/// 断开PLC
/// </summary>
public void DisConnectPLC()
{
_adsClient.Dispose();
}
/// <summary>
/// 读取int类型的变量,非实时刷新
/// </summary>
/// <param name="PlcVariableName"></param>
/// <returns></returns>
public int ReadInt(string PlcVariableName)
{
int dresult = 0;
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
dresult = (int)(_adsClient.ReadAny(iHandleTemp, typeof(int)));
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { return 0; }
return dresult;
}
/// <summary>
/// 读取string类型的变量,非实时刷新
/// </summary>
/// <param name="PlcVariableName"></param>
/// <returns></returns>
public char[] Readchar(string PlcVariableName)
{
char[] dresult = { };
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
dresult = (char[])(_adsClient.ReadAny(iHandleTemp, typeof(char[])));
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { }
return dresult;
}
/// <summary>
/// 读取string类型的变量,非实时刷新
/// </summary>
/// <param name="PlcVariableName"></param>
/// <returns></returns>
public string Readstring(string PlcVariableName)
{
string dresult = "";
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
dresult = _adsClient.ReadAny(iHandleTemp, typeof(string), new int[] { 80 }).ToString();
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { }
return dresult;
}
/// <summary>
/// 读取float类型的变量,非实时刷新
/// </summary>
/// <param name="PlcVariableName"></param>
/// <returns></returns>
public float Readfloat(string PlcVariableName)
{
float dresult;
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
dresult = (float)(_adsClient.ReadAny(iHandleTemp, typeof(float)));
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { return 0; }
return dresult;
}
/// <summary>
/// 读取short类型的变量,非实时刷新
/// </summary>
/// <param name="PlcVariableName"></param>
/// <returns></returns>
public short Readshort(string PlcVariableName)
{
short dresult;
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
dresult = (short)(_adsClient.ReadAny(iHandleTemp, typeof(short)));
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { return 0; }
return dresult;
}
/// <summary>
/// 读取bool类型的变量,非实时刷新
/// </summary>
/// <param name="PlcVariableName"></param>
/// <returns></returns>
public bool Readbool(string PlcVariableName)
{
bool dresult;
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
dresult = (bool)(_adsClient.ReadAny(iHandleTemp, typeof(bool)));
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { return false; }
return dresult;
}
/// <summary>
/// 根据PLC变量名,写PLC变量
/// </summary>
/// <param name="PlcVariableName"></param>
/// <param name="dresult"></param>
public void WriteVariable(string PlcVariableName, Double dresult)
{
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
_adsClient.WriteAny(iHandleTemp, dresult);
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { }
}
/// <summary>
/// 根据PLC变量名,写PLC变量
/// </summary>
/// <param name="PlcVariableName"></param>
/// <param name="dresult"></param>
public void WriteVariable(string PlcVariableName, short dresult)
{
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
_adsClient.WriteAny(iHandleTemp, dresult);
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { }
}
/// <summary>
/// 根据PLC变量名,写PLC变量
/// </summary>
/// <param name="PlcVariableName"></param>
/// <param name="dresult"></param>
public void WriteVariable(string PlcVariableName, bool dresult)
{
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
_adsClient.WriteAny(iHandleTemp, dresult);
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { }
}
/// <summary>
/// 根据PLC变量名,写PLC变量
/// </summary>
/// <param name="PlcVariableName"></param>
/// <param name="dresult"></param>
public void WriteVariable(string PlcVariableName, float dresult)
{
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
_adsClient.WriteAny(iHandleTemp, dresult);
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { }
}
/// <summary>
/// 根据PLC变量名,写PLC变量
/// </summary>
/// <param name="PlcVariableName"></param>
/// <param name="dresult"></param>
public void WriteVariable(string PlcVariableName, int dresult)
{
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
_adsClient.WriteAny(iHandleTemp, dresult);
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { }
}
/// <summary>
/// 根据PLC变量名,写PLC变量
/// </summary>
/// <param name="PlcVariableName"></param>
/// <param name="dresult"></param>
public void WriteVariable(string PlcVariableName, byte dresult)
{
try
{
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
_adsClient.WriteAny(iHandleTemp, dresult);
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch { }
}
/// <summary>
/// 根据PLC变量名,写PLC变量
/// </summary>
/// <param name="PlcVariableName"></param>
/// <param name="dresult"></param>
public void WriteVariable(string PlcVariableName, string dresult)
{
int stringlen = dresult.Length;
AdsStream datastream = new AdsStream(stringlen + 1);
BinaryWriter binwrite = new BinaryWriter(datastream, System.Text.Encoding.ASCII);
datastream.Position = 0;
try
{
binwrite.Write(dresult.ToCharArray());
binwrite.Write('\0');
int iHandleTemp = _adsClient.CreateVariableHandle(PlcVariableName);
_adsClient.Write(iHandleTemp, datastream);
_adsClient.DeleteVariableHandle(iHandleTemp);
}
catch (Exception err)
{
}
}
}
}
![点击并拖拽以移动](/i/l/?n=23&i=blog/2841809/202308/2841809-20230821140159345-705316182.gif)
3.操作类写完后可以在主程序中引用,按钮中写如下代码,点击主界面即可连接,实现通讯。
private void uiSymbolButtonConnectSign_Click(object sender, EventArgs e)
{
bHelp.string_AmsNetID = "5.126.62.10.1.1";
bHelp.iPort = 851;
bHelp.ConnectPLC();//开始连接PLC
uiSymbolLabel1.Text = fLogin.UserName;
timer2.Enabled = true;
}
![点击并拖拽以移动](/i/l/?n=23&i=blog/2841809/202308/2841809-20230821140159345-705316182.gif)
4.因为倍福无心跳通讯信号,需在PLC中写一个心跳变量来实现通讯是否接通的显示。
标签:dresult,ADS,C#,iHandleTemp,public,adsClient,PLC,PlcVariableName,string From: https://www.cnblogs.com/lsh-love/p/17645846.html