通过MODBUS实现PLC与上位机通讯的C#

D:\worker\vs\Modbus_测试\Modbus_测试\bin\Debug\Modbus_测试.exe D:\worker\vs\Modbus_测试\Modbus_测试\bin\Debug\Modbus_测试.pdb D:\worker\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\ResolveAssemblyReference.cache D:\worker\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Form1.resources D:\worker\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Properties.Resources.resources D:\worker\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\GenerateResource.read.1.tlog D:\worker\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\GenerateResource.write.1.tlog D:\worker\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.exe D:\worker\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.pdb D:\workspace\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.exe D:\workspace\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.pdb D:\workspace\vs\Modbus_测试\Modbus_测试\bin\Debug\Modbus_测试.exe D:\workspace\vs\Modbus_测试\Modbus_测试\bin\Debug\Modbus_测试.pdb D:\workspace\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\ResolveAssemblyReference.cache D:\workspace\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Form1.resources D:\workspace\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Properties.Resources.resources D:\workspace\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\GenerateResource.read.1.tlog D:\workspace\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\GenerateResource.write.1.tlog D:\workspace\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.frmDaBaoCheng.resources D:\workspace\vs\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Form2.resources C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.exe C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.pdb C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\bin\Debug\Modbus_测试.exe C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\bin\Debug\Modbus_测试.pdb C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\obj\x86\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Form1.resources C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Form2.resources C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.frmDaBaoCheng.resources C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Properties.Resources.resources C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\obj\x86\Debug\GenerateResource.read.1.tlog C:\Documents and Settings\luweida\桌面\智能通风\代码\远程控制PLC\Modbus_测试\Modbus_测试\obj\x86\Debug\GenerateResource.write.1.tlog C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.exe C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.pdb C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\obj\x86\Debug\ResolveAssemblyReference.cache C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Form1.resources C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Form2.resources C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.frmDaBaoCheng.resources C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\obj\x86\Debug\Modbus_测试.Properties.Resources.resources C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\obj\x86\Debug\GenerateResource.read.1.tlog C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\obj\x86\Debug\GenerateResource.write.1.tlog C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\bin\Debug\Modbus_测试.exe C:\Documents and Settings\luweida\桌面\Modbus_测试\Modbus_测试\Modbus_测试\bin\Debug\Modbus_测试.pdb