通讯"/>
c#rs232与三菱通讯
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using HslCommunication;
using HslCommunication.Profinet.Melsec;
namespace PLC_TestDemo
{
public partial class FrmMain : Form
{
public FrmMain()
{
InitializeComponent();
splitContainer1.Panel2.Enabled = false;
btnBreakConn.Enabled = false;
}
#region 建立通讯连接
MelsecMcNet melsec = new MelsecMcNet();
//建立通讯连接
private void btnConnect_Click(object sender, EventArgs e)
{
melsec.IpAddress = txtIPAddr.Text.Trim();
melsec.Port = Convert.ToInt32(txtPort.Text.Trim());
try
{
OperateResult connectStatus = melsec.ConnectServer();
if (connectStatus.IsSuccess)
{
MessageBox.Show("连接成功");
splitContainer1.Panel2.Enabled = true;
btnBreakConn.Enabled = true;
btnConnect.Enabled = false;
}
else
{
MessageBox.Show("连接失败");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
//断开连接
private void btnBreakConn_Click(object sender, EventArgs e)
{
try
{
melsec.ConnectClose();
splitContainer1.Panel2.Enabled = false;
btnBreakConn.Enabled = false;
btnConnect.Enabled = true;
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#region 读取三菱PLC数据
private void btnReadX_ButtonClick(object Sender)
{
txtResultView.Text = melsec.ReadBool(txtReadX.Text.Trim(), 1).Content[0] .ToString();
}
private void btnReadY_ButtonClick(object Sender)
{
txtResultView.Text = melsec.ReadBool(txtReadY.Text.Trim(), 1).Content[0].ToString();
}
private void btnReadM_ButtonClick(object Sender)
{
txtResultView.Text = melsec.ReadBool(txtReadM.Text.Trim()).Content.ToString();
}
private void btnReadD_ButtonClick(object Sender)
{
txtResultView.Text = melsec.ReadInt16(txtReadD.Text.Trim()).Content.ToString();
}
#endregion
#region 写入三菱PLC数据
private void btnWriteY_ButtonClick(object Sender)
{
bool writebool = false ;
if (txtWriteView .Text .Trim ()=="1"|| txtWriteView.Text.Trim() =="true")
{
writebool = true;
}
if (txtWriteView.Text.Trim() == "0" || txtWriteView.Text.Trim() == "false")
{
writebool = false;
}
OperateResult result= melsec.Write(txtWriteY.Text.Trim(), writebool);
if (result.IsSuccess )
{
MessageBox.Show("写入成功");
}
else
{
MessageBox.Show("写入失败");
}
}
private void btnWriteM_ButtonClick(object Sender)
{
bool writebool = false;
if (txtWriteView.Text.Trim() == "1" || txtWriteView.Text.Trim() == "true")
{
writebool = true;
}
if (txtWriteView.Text.Trim() == "0" || txtWriteView.Text.Trim() == "false")
{
writebool = false;
}
OperateResult result = melsec.Write(txtWriteM.Text.Trim(), writebool);
if (result.IsSuccess)
{
MessageBox.Show("写入成功");
}
else
{
MessageBox.Show("写入失败");
}
}
private void btnWriteW_ButtonClick(object Sender)
{
OperateResult result = melsec.Write(txtWriteW.Text.Trim(), Convert.ToInt16(txtWriteView .Text .Trim ()));
if (result.IsSuccess)
{
MessageBox.Show("写入成功");
}
else
{
MessageBox.Show("写入失败");
}
}
private void btnWriteD_ButtonClick(object Sender)
{
OperateResult result = melsec.Write(txtWriteD.Text.Trim(), Convert.ToInt16(txtWriteView.Text.Trim()));
if (result.IsSuccess)
{
MessageBox.Show("写入成功");
}
else
{
MessageBox.Show("写入失败");
}
}
#endregion
}
}
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