This video shows how to simulate IEC 60870-5-104 server and client using the freyrscada Simulator. And in this video also explains, how to send command from client to server simulator . br br file transfer from Server to client using IEC 60870-5-104 protocol. br br if you need any assistance, mail to us. tech.support@freyrscada.combr br Download Evaluation Kit - IEC 60870-5-104 Development Bundlebr br New updated Version of IEC 60870-5-104 Simulator & SDK (Software Development Kit) is available now. br br In the Development Bundle, We included IEC 60870-5-104 Server & Client Simulator, Windows & Linux SDK.