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大师兄法号随缘
2025-08-26 08:37:44 +08:00
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常用工具集/Utility/Network/S7netplus/S7Helper.cs Normal file
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using System;
using System.Text;
using S7.Net;
using S7.Net.Types;
namespace MES.Utility.Network.S7netplus
{
public class S7Helper : IDisposable
{
private object _lock = new object();
private Plc plc;
public S7Helper(CpuType cpuType, string ipAddress) : this(cpuType, ipAddress, 0, 1)
{
}
public S7Helper(CpuType cpuType, string ipAddress, short rack, short slot)
{
plc = new Plc(cpuType, ipAddress, 102, rack, slot);
plc.Open(1000);
}
#region BOOL类型读写
/// <summary>
/// 写入BOOL
/// </summary>
/// <param name="address">例如：DB45.DBX52.0</param>
/// <param name="value">true/false</param>
/// <returns></returns>
public bool WriteBool(string address, bool value)
{
lock (_lock)
try
{
plc.Write(address, value);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 读取bool类型
/// </summary>
/// <param name="address">例如：DB45.DBX52.0</param>
/// <param name="value">输出bool值</param>
/// <returns>返回false 读取失败，PLC通信异常</returns>
public bool ReadBool(string address, out bool value)
{
lock (_lock)
try
{
value = (bool)plc.Read(address);
return true;
}
catch
{
value = false;
return false;
}
}
#endregion
#region INT16读写
public bool ReadInt16(string address, out ushort value)
{
lock (_lock)
try
{
value = (ushort)plc.Read(address);
return true;
}
catch
{
value = 0;
return false;
}
}
public bool WriteInt16(string address, ushort value)
{
lock (_lock)
try
{
plc.Write(address, value);
return true;
}
catch
{
return false;
}
}
#endregion
#region REAL读写
/// <summary>
///
/// </summary>
/// <param name="address">例如 DB1.DBD4.0</param>
/// <param name="value"></param>
/// <returns></returns>
public bool ReadSingle(string address, out float value)
{
lock (_lock)
try
{
value = ((uint)plc.Read(address)).ConvertToFloat();
return true;
}
catch
{
value = 0;
return false;
}
}
public bool ReadBytes(int db, int address, int count, out byte[] value)
{
try
{
value = plc.ReadBytes(DataType.DataBlock, db, address, count);
return true;
}
catch
{
value = null;
return false;
}
}
/// <summary>
///
/// </summary>
/// <param name="address">例如 DB1.DBD4.0</param>
/// <param name="value"></param>
/// <returns></returns>
public bool WriteSingle(string address, float value)
{
lock (_lock)
try
{
plc.Write(address, value);
return true;
}
catch
{
return false;
}
}
#endregion
#region String读写
/// <summary>
///
/// </summary>
/// <param name="address">例如DB45.DBX52.0</param>
/// <param name="strLength">字符串长度</param>
/// <param name="value">返回字符串数据</param>
/// <returns></returns>
public bool ReadString(string address, int strLength, out string value)
{
lock (_lock)
try
{
string[] array = address.Split('.');
int db = Convert.ToInt32(array[0].Replace("DB", ""));
int startAddress = Convert.ToInt32(array[1].Replace("DBX", ""));
value = (string)plc.Read(DataType.DataBlock, db, startAddress, VarType.S7String, strLength);//获取对应长度的字符串
return true;
}
catch
{
value = "";
return false;
}
}
/// <summary>
/// 写入字符串
/// </summary>
/// <param name="address">例如DB45.DBX52.0</param>
/// <param name="value">写入数据</param>
/// <param name="value">写入长度</param>
/// <returns></returns>
public bool WriteString(string address, string value, int strLength)
{
lock (_lock)
try
{
//转换address,取到DB 和 开始地址
string[] array = address.Split('.');
int db = Convert.ToInt32(array[0].Replace("DB", ""));
int startAddress = Convert.ToInt32(array[1].Replace("DBX", ""));
var bytes = S7.Net.Types.S7String.ToByteArray(value, strLength);
plc.WriteBytes(DataType.DataBlock, db, startAddress, bytes);
return true;
}
catch
{
return false;
}
}
#endregion
public bool ReadBytesString(string address, int strLength, out string value)
{
lock (_lock)
try
{
string[] array = address.Split('.');
int db = Convert.ToInt32(array[0].Replace("DB", ""));
int startAddress = Convert.ToInt32(array[1].Replace("DBX", ""));
byte[] values = plc.ReadBytes(DataType.DataBlock, db, startAddress, strLength);
value = Encoding.ASCII.GetString(values);
return true;
}
catch
{
value = "";
return false;
}
}
/// <summary>
/// 写入字符串
/// </summary>
/// <param name="address">例如DB45.DBX52.0</param>
/// <param name="value">写入数据</param>
/// <param name="value">写入长度</param>
/// <returns></returns>
public bool WriteBytesString(string address, string value, int strLength)
{
lock (_lock)
try
{
//转换address,取到DB 和 开始地址
string[] array = address.Split('.');
int db = Convert.ToInt32(array[0].Replace("DB", ""));
int startAddress = Convert.ToInt32(array[1].Replace("DBX", ""));
var bytes = Encoding.ASCII.GetBytes(value);
if (bytes.Length > strLength) throw new ArgumentException($"The provided string length ({bytes.Length} is larger than the specified reserved length ({strLength}).");
var buffer = new byte[strLength];
Array.Copy(bytes, 0, buffer, 0, bytes.Length);
plc.WriteBytes(DataType.DataBlock, db, startAddress, buffer);
return true;
}
catch
{
return false;
}
}
#region INT32读写
/// <summary>
///
/// </summary>
/// <param name="address">例如：DB1.DBD264.0</param>
/// <param name="value"></param>
/// <returns></returns>
public bool ReadInt32(string address, out int value)
{
lock (_lock)
try
{
value = (int)plc.Read(address);
return true;
}
catch
{
value = 0;
return false;
}
}
public bool WriteInt32(string address, int value)
{
lock (_lock)
try
{
plc.Write(address, value);
return true;
}
catch
{
return false;
}
}
#endregion
public void Dispose()
{
plc?.Close();
plc = null;
}
}
}