IEC 60870-5-104 .NET library
The IEC 60870-5-104 library is a .Net-library, which supports the transfer of process data via the IEC 60870-5-104 protocol. It can be used to develop simple .Net-Plugins which support the transfer of process data; without having to implement the complex IEC 60870-5-104 protocol. Thus it is very easy to provide process control data for other applications.
Convince yourself, how easy accessibility via IEC 60870-5-104 may be. Under Downloads you find the manual, a 30 days testversion and plugin sample code.