Stream SCADA can be an IEC60870-5 Client/Master to any compliant device.


From Stream Explorer, select Data Sources and click on the Add button.



  • Name: Unique name for the data source..
  • Description: Optional information about the data source.
  • Protocol: Selecting IEC 60870-5-104 means that Stream SCADA is a Client that will establish communications with RTUs.
  • IP Address: RTU IP address.
  • Port: RTU port, the default port is 2404.
  • CoT Size : Cause of Transmission Size, default is 2.
  • Common Addresses (CAs): All required common addresses representing stations of the RTU. If a tag is linked to a common address, this common address must be added in this field. You can add multiple CAs separating with semi-coloumn.
  • Originator Address (OA): If required, add a none-zero value. A zero value means it’s not used.
  • T0: Time out of connection establishment in seconds (1-255s)
  • T1: Time out of send or test APDUs in seconds (1-255s)
  • T2: Time out for acknowledges in case of no data message t2 M t1 in seconds (1-172800 sec)
  • T3: Time out for sending test frames in case of long idle state in seconds ( 1 to 48h( 172800sec))
  • K: Maximum difference receive sequence number to send state variable (k: 1 to 32767) default – 12
  • W: Latest acknowledge after receiving w I format APDUs (w: 1 to 32767 APDUs, accuracy 1 APDU (Recommendation: w should not exceed two-thirds of k) default :8)


Note: You need to install VC++ Redistributable (x86). You'll find it in installation CD (vcredist_x86.exe).