龙岗个性化网站建设价格低,小米手机做网站服务器吗,互联网营销有哪些方式,河南网站建设制作目录
一、西门子PLC仿真环境搭建
【1.1】创建PLC项目
【1.2】编写PLC程序
二、C#代码编写
【2.1】窗口制作
【2.2】效果演示
【2.3】读取源码
【2.4】FrmSiemensSet源码
【2.5】Variable源码 一、西门子PLC仿真环境搭建
【1.1】创建PLC项目 搭建PLCSIM-Advacend模拟仿…目录
一、西门子PLC仿真环境搭建
【1.1】创建PLC项目
【1.2】编写PLC程序
二、C#代码编写
【2.1】窗口制作
【2.2】效果演示
【2.3】读取源码
【2.4】FrmSiemensSet源码
【2.5】Variable源码 一、西门子PLC仿真环境搭建
【1.1】创建PLC项目 搭建PLCSIM-Advacend模拟仿真 设置PLC的IP地址和PLCSIM一致 勾选GET/PUT(如果是S7协议必须勾选)选项 勾选块编译时仿真 创建变量用于测试相关的DB块需要设置为去除优化访问 【1.2】编写PLC程序
【PLC作为服务器】 【Modbus Poll测试】 二、C#代码编写
【2.1】窗口制作 【2.2】效果演示 【2.3】读取源码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using Approach.DataConvertLib;
using Approach.ModbusTCPLib;
namespace Approach.ModbusTCP
{public partial class FrmSiemens : Form{/// summary/// 【字段】ModbusTCP连接对象/// /summaryprivate ModbusTcp _modbusTcp new ModbusTcp();
/// summary/// 【字段】ModbusTCP连接成功标识/// /summaryprivate bool _isConnected false;
/// summary/// 【字段】多线程取消对象/// /summaryprivate CancellationTokenSource _cts null;
public FrmSiemens(){InitializeComponent();}
/// summary/// 【控件事件】建立连接/// /summary/// param namesender/param/// param namee/paramprivate void btn_Connect_Click(object sender, EventArgs e){// 获取UI信息string plcIp txt_Ip.Text.Trim();int plcPort int.Parse(txt_Port.Text.Trim());
_isConnected _modbusTcp.Connect(plcIp, plcPort);if (_isConnected true){MessageBox.Show(与西门子PLC连接成功, 连接提示);// 开启线程(创建取消线程对象)_cts new CancellationTokenSource();// 开启线程(创建线程对象)Task.Run(new Action(() {PlcCommunicatin();}), _cts.Token);}else{MessageBox.Show(与西门子PLC连接失败, 连接提示);}}
/// summary/// 【方法】与PLC进行通信的线程方法/// /summaryprivate void PlcCommunicatin(){// 线程循环执行while(!_cts.IsCancellationRequested){// 通过ModbusTCP读取寄存器信息(PLC发送182字节-读取91个字)byte[] readData _modbusTcp.ReadOutputRegisters(0, 91);// 读取对应的字节个数if(readData ! null readData.Length 182) // 读取成功{// 解析报文跟新UI数据Invoke(new Action(() {UpdateUI(readData, gb_Read);UpdateUI(readData, gb_Write);}));}}}
/// summary/// 【方法】/// /summary/// param namedata 被处理的数据字节数组 /param/// param nameconrtol 控件对象 /paramprivate void UpdateUI(byte[] data, Control control){if (!control.HasChildren)return;
// 程序走到这里说明Control控件中包含一个或者多个子控件foreach (var item in control.Controls.OfTypeLabel()){// 排除掉一些标签控件if (item.Tag null || item.Tag.ToString().Length 0)continue;// 程序走到这里说明获取的控件是需要进行操作的控件Variable variable GetVariableByTag(item.Tag.ToString());if (variable ! null){switch (variable.ValueType){case DataType.Bool:{item.BackColor BitLib.GetBitFromByteArray(data, variable.Start, variable.OffsetOrLength) true ? Color.LimeGreen : Color.Red;break;}case DataType.Byte:{item.Text ByteLib.GetByteFromByteArray(data, variable.Start).ToString();break;}case DataType.Short:{item.Text ShortLib.GetShortFromByteArray(data, variable.Start).ToString();break;}case DataType.UShort:{item.Text UShortLib.GetUShortFromByteArray(data, variable.Start).ToString();break;}case DataType.Int:{item.Text IntLib.GetIntFromByteArray(data, variable.Start).ToString();break;}case DataType.UInt:{item.Text UIntLib.GetUIntFromByteArray(data, variable.Start).ToString();break;}case DataType.Float:{item.Text FloatLib.GetFloatFromByteArray(data, variable.Start).ToString();break;}case DataType.Double:{item.Text DoubleLib.GetDoubleFromByteArray(data, variable.Start).ToString();break;}case DataType.Long:{item.Text LongLib.GetLongFromByteArray(data, variable.Start).ToString();break;}case DataType.ULong:{item.Text ULongLib.GetULongFromByteArray(data, variable.Start).ToString();break;}case DataType.String:{item.Text StringLib.GetSiemensStringFromByteArray(data, variable.Start, variable.OffsetOrLength);break;}}}}}
/// summary/// 【方法】解析Lable-Tag的内容将其转换为Variable这个类/// /summary/// param nametagText/param/// returns/returnsprivate Variable GetVariableByTag(string tagText){if (!tagText.Contains(;))return null;
// 程序走到这里说明该控件Tag内容是可以解析的string[] values tagText.Split(;); // 分割字符串if (values.Length ! 3)return null;
try{return new Variable(){ValueType (DataType)Convert.ToInt32(values[0]),Start Convert.ToInt32(values[1]),OffsetOrLength Convert.ToInt32(values[2])};}catch (Exception){return null;}}
/// summary/// 【控件事件】断开连接/// /summary/// param namesender/param/// param namee/paramprivate void btn_DisConnect_Click(object sender, EventArgs e){if (_isConnected true){_modbusTcp.DisConnect();}}
/// summary/// 【控件事件】双击Label控件弹出数据修改对话框/// /summary/// param namesender/param/// param namee/paramprivate void CommonModify_DoubleClick(object sender, EventArgs e){if(sender is Label label){if (label.Tag null || label.Tag.ToString().Length 0)return;
// 程序走到这里说明Label的Tag的值可以解析// 获取源值string srcValue label.Text;// 获取Variable对象Variable variable GetVariableByTag(label.Tag.ToString());FrmSiemensSet frmSiemensSet new FrmSiemensSet(srcValue, variable, _modbusTcp);frmSiemensSet.ShowDialog();}}}
}
【2.4】FrmSiemensSet源码
using Approach.DataConvertLib;
using Approach.ModbusTCPLib;
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;
namespace Approach.ModbusTCP
{public partial class FrmSiemensSet : Form{private Variable _variable null;private ModbusTcp _modbusTcp null;
public FrmSiemensSet(string srcValue, Variable variable, ModbusTcp modbusTcp){InitializeComponent();lbl_SrcValue.Text srcValue;lbl_ValueType.Text variable.ValueType.ToString();
_variable variable;_modbusTcp modbusTcp;}
private void btn_Ok_Click(object sender, EventArgs e){bool bResult false;try{switch (_variable.ValueType){case DataType.Short:{bResult _modbusTcp.PreSetSingleRegister((ushort)(_variable.Start / 2), Convert.ToInt16(txt_SetValue.Text.Trim()));break;}case DataType.UShort:{bResult _modbusTcp.PreSetSingleRegister((ushort)(_variable.Start / 2), Convert.ToInt16(txt_SetValue.Text.Trim()));break;}case DataType.Int:{bResult _modbusTcp.PreSetMultiRegisters((ushort)(_variable.Start / 2), ByteArrayLib.GetByteArrayFromInt(Convert.ToInt32(txt_SetValue.Text.Trim())));break;}case DataType.UInt:{bResult _modbusTcp.PreSetMultiRegisters((ushort)(_variable.Start / 2), ByteArrayLib.GetByteArrayFromUInt(Convert.ToUInt32(txt_SetValue.Text.Trim())));break;}case DataType.Float:{bResult _modbusTcp.PreSetMultiRegisters((ushort)(_variable.Start / 2), ByteArrayLib.GetByteArrayFromFloat(Convert.ToSingle(txt_SetValue.Text.Trim())));break;}case DataType.Double:{bResult _modbusTcp.PreSetMultiRegisters((ushort)(_variable.Start / 2), ByteArrayLib.GetByteArrayFromDouble(Convert.ToDouble(txt_SetValue.Text.Trim())));break;}case DataType.Long:{bResult _modbusTcp.PreSetMultiRegisters((ushort)(_variable.Start / 2), ByteArrayLib.GetByteArrayFromLong(Convert.ToInt64(txt_SetValue.Text.Trim())));break;}case DataType.ULong:{bResult _modbusTcp.PreSetMultiRegisters((ushort)(_variable.Start / 2), ByteArrayLib.GetByteArrayFromULong(Convert.ToUInt64(txt_SetValue.Text.Trim())));break;}case DataType.String:{bResult _modbusTcp.PreSetMultiRegisters((ushort)(_variable.Start / 2), ByteArrayLib.GetByteArrayFromSiemensString(txt_SetValue.Text.Trim()));break;}default:{MessageBox.Show(不支持该数据类型写入, 参数设置);return;}}}catch(Exception ex){MessageBox.Show(请检查参数数据类型是否正确 ex.Message, 参数设置);return;}
if (bResult true){this.DialogResult DialogResult.OK;}}private void btn_Cancel_Click(object sender, EventArgs e){this.DialogResult DialogResult.Cancel;}
private void FrmSiemensSet_KeyDown(object sender, KeyEventArgs e){if (e.KeyCode Keys.Enter)btn_Ok_Click(null, null);}}
}
【2.5】Variable源码
using Approach.DataConvertLib;
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Approach.ModbusTCP
{/// summary/// 变量实体类封装/// /summarypublic class Variable{/// summary/// 标签名称/// /summarypublic string ValueName { get; set; }
/// summary/// 起始字节/// /summarypublic int Start { get; set; }
/// summary/// 数据类型/// /summarypublic DataType ValueType { get; set; }
/// summary/// (位偏移)或(字符串)长度/// /summarypublic int OffsetOrLength { get; set; }
/// summary/// 变量实际值/// /summarypublic object Value { get; set; }}
}
