this doc gives a method of communication between PC and Siemens PLC with S5 protocol ,we use vs2008 and .Net 2 platform and environment to develop a Demo project .the reference docs are all inclusive .

SIEMENS\Demo\西门子CP通信DEMO 2017-03-19 单线程\OwenSocket.sln
.......\....\..................................\OwenSocket.suo
.......\....\..................................\SocketClient\bin\Debug\SocketClient.exe
.......\....\..................................\............\...\.....\SocketClient.pdb
.......\....\..................................\............\...\.....\SocketClient.vshost.exe
.......\....\..................................\............\...\.....\SocketClient.vshost.exe.manifest
.......\....\..................................\............\...\LogDB100_Test9hour2017_03_27.txt
.......\....\..................................\............\...\LogError2017_03_27.txt
.......\....\..................................\............\ClassDiagram1.cd
.......\....\..................................\............\common.cs
.......\....\..................................\............\obj\Debug\SocketClient.csproj.FileListAbsolute.txt
.......\....\..................................\............\...\.....\SocketClient.csproj.GenerateResource.Cache
.......\....\..................................\............\...\.....\SocketClient.exe
.......\....\..................................\............\...\.....\SocketClient.pdb
.......\....\..................................\............\...\.....\SocketClient.Properties.Resources.resources
.......\....\..................................\............\...\.....\SocketClient.SocketClient.resources
.......\....\..................................\............\...\.....\TempPE\Properties.Resources.Designer.cs.dll
.......\....\..................................\............\Program.cs
.......\....\..................................\............\...perties\AssemblyInfo.cs
.......\....\..................................\............\..........\Resources.Designer.cs
.......\....\..................................\............\..........\Resources.resx
.......\....\..................................\............\Recordlog.cs
.......\....\..................................\............\SeimensOperate.cs
.......\....\..................................\............\SocketClient.cs
.......\....\..................................\............\SocketClient.csproj
.......\....\..................................\............\SocketClient.Designer.cs
.......\....\..................................\............\SocketClient.resx
.......\....\......PLCDemo\ApiLog\lock
.......\....\.............\......\LogIDs
.......\....\.............\......\Step7Bas.ver
.......\....\.............\......\Types
.......\....\.............\CONN\CO_3\VerbHomo.dat
.......\....\.............\....\...4\VerbHomo.dat
.......\....\.............\....\LINKVL.dbf
.......\....\.............\....\LOCKVL.LCK
.......\....\.............\....\S7wntcps\HATTARY1.DBF
.......\....\.............\....\........\HATTARY1.DBT
.......\....\.............\....\........\HATTARY1.MDX
.......\....\.............\....\........\iplink.dbf
.......\....\.............\....\........\iplock
.......\....\.............\....\........\IPVERB.DBF
.......\....\.............\....\........\IPVERB.MDX
.......\....\.............\....\........\ip_l_id.pro
.......\....\.............\....\........\IP_MEMO.DBF
.......\....\.............\....\........\IP_MEMO.DBT
.......\....\.............\....\........\IP_MEMO.MDX
.......\....\.............\....\VERBLIST.PRO
.......\....\.............\....\VERBTAB.DBF
.......\....\.............\....\VERBTAB.MDX
.......\....\.............\....\VLTAB53.DBF
.......\....\.............\....\VLTAB53.MDX
.......\....\.............\Global\141099_1.txt
.......\....\.............\......\141099_1_dp_asi.txt
.......\....\.............\......\colorder.dat
.......\....\.............\......\colwidth.dat
.......\....\.............\......\Font_1
.......\....\.............\......\Font_2
.......\....\.............\......\Language
.......\....\.............\......\S7hCompressedMetadata.cmf
.......\....\.............\......\S7hMetaData.umf
.......\....\.............\......\s7netpro.npa
.......\....\.............\......\s7netpro.wnd
.......\....\...........

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