S7net【C#】
C#项目，跟西门子PLC通讯
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using S7.Net;
namespace MeProgram
{
public class S7NetPlc
{
Plc plc;
///
/// 初始化S7NetPLC
///
///
///
public S7NetPlc(string IP, string CPUType ="S71200")
{
CreatePlc(IP, CPUType);
}
///
/// 实例化PLC IP和CPU型号 CPU型号默认S71200
///
///
///
void CreatePlc(string ip, string cpu)
{
CpuType cputype = new CpuType();
if (Enum.TryParse(cpu.ToUpper(), out cputype))
{
plc = new Plc(cputype, ip, 0, 1);
}
else
{
Console.WriteLine("CPU型号错误");
}
}
///
/// 连接PLC 再次调用可重新连接
///
public async void Connet()
{
try
{
await plc.OpenAsync();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
///
/// PLC连接状态
///
///
/// 读取PLC 输入点 i
///
/// 开始的地址
/// 读取字节数量
///
/// 读取PLC 输出点Q
///
/// 开始的地址
/// 读取字节数量
///
/// 读取PLC默认寄存器地址
///
///
///
///
/// 批量读取连续的 bool 值
///
///
///
///
///
/// 读取PLC DB块字节数据
///
/// DB块
/// 开始的偏移量
/// 读取的长度
///
/// 读取PLC DB快16位有符号数据
///
///
///
/// 读取PLC DB块32位有符号数据
///
///
///
///
/// 读取PLC DB快16位无符号数据
///
///
///
/// 读取PLC DB快32位无符号数据
///
///
///
///
/// 读取PLC Timer 类型数据
///
///
///
/// 读取PLC Real 类型数据
///
/// PLC绝对地址
///
/// 读取PLC string 类型数据
///
/// DB块
/// 开始的偏移量
///
/// 写入PLC输出点Q 地址
///
/// Q5.0 的5
/// Q5.4 的4
/// 值
public void Set_Q(int 输出Q, int 第几位, bool 值)
{
try
{
if (plc.IsConnected)
{
plc.WriteBit(DataType.Output, 0, 输出Q, 第几位, 值);
}
}
catch (Exception ex)
{
Console.WriteLine("写入Q点出错:" + ex.Message);
}
}
///
/// 写入PLC默认寄存器地址
///
///
///
///
public void Set_M(int 地址M, int 第几位, bool 值)
{
try
{
if (plc.IsConnected)
{
plc.WriteBit(DataType.Memory, 0, 地址M, 第几位, 值);
}
}
catch (Exception ex)
{
Console.WriteLine("写入M地址:" + ex.Message);
}
}
///
/// 写入PLCDB块 bool 类型地址
///
///
/// 分配的第几个字节
/// 字节里的第几位
///
public void Set_Bit(int DB, int 偏移量, int 第几位, bool 值)
{
try
{
if (plc.IsConnected)
{
plc.WriteBit(DataType.DataBlock, DB, 偏移量, 第几位, 值);
}
}
catch (Exception ex)
{
Console.WriteLine("写入PLC_bool出错:" + ex.Message);
}
}
///
/// 写入PLC DB块16位有符号数据
///
///
///
public void Set_int(string 绝对地址, short 值)
{
try
{
if (plc.IsConnected)
{
plc.Write(绝对地址.ToUpper(), 值);
}
}
catch (Exception ex)
{
Console.WriteLine("写入PLC_int出错:" + ex.Message);
}
}
///
/// 写入PLC DB块32位有符号数据
///
///
///
public void Set_Dint(string 绝对地址, int 值)
{
try
{
if (plc.IsConnected)
{
plc.Write(绝对地址.ToUpper(), 值);
}
}
catch (Exception ex)
{
Console.WriteLine("写入PLC_Dint出错:" + ex.Message);
}
}
///
/// 写入PLC DB块16位无符号数据
///
///
///
public void Set_Word(string 绝对地址, ushort 值)
{
try
{
if (plc.IsConnected)
{
plc.Write(绝对地址.ToUpper(), 值);
}
}
catch (Exception ex)
{
Console.WriteLine("写入PLC_Word出错:" + ex.Message);
}
}
///
/// 写入PLC DB块32位无符号数据
///
///
///
public void Set_DWord(string 绝对地址, uint 值)
{
try
{
if (plc.IsConnected)
{
plc.Write(绝对地址.ToUpper(), 值);
}
}
catch (Exception ex)
{
Console.WriteLine("写入PLC_DWord出错:" + ex.Message);
}
}
///
/// 写入PLC Real 类型地址
///
///
///
public void Set_Real(string 绝对地址, float 值)
{
try
{
if (plc.IsConnected)
{
plc.Write(绝对地址.ToUpper(), 值);
}
}
catch (Exception ex)
{
Console.WriteLine("写入PLC_Real出错:" + ex.Message);
}
}
///
/// 写入PLC Timer 类型地址
///
///
///
public void Set_Timer(string 绝对地址, int 值)
{
try
{
if (plc.IsConnected)
{
plc.Write(绝对地址.ToUpper(), 值);
}
}
catch (Exception ex)
{
Console.WriteLine("写入PLC_Timer出错:" + ex.Message);
}
}
///
/// 写入PLC string 类型地址
///
/// DB块
/// 分配的偏移量
///
public void Set_String(int DB, int 偏移量, string Values)
{
try
{
if (plc.IsConnected)
{
var lenMax = (byte)plc.Read(DataType.DataBlock, DB, 偏移量, VarType.Byte, 1);//拿到地址申请的字节长度
plc.Write(DataType.DataBlock, DB, 偏移量, GetStringByteArray(lenMax, Values));
}
}
catch (Exception ex)
{
Console.WriteLine("写入PLC_String出错:" + ex.Message);
}
}
///
/// 把 string数据 转换成西门子String数据格式
///
///
///