IEC60870 Master & Client Simulator Tool

The IEC60870 Simulator is a small versatile PC program used for testing the communication to IEC60870-5-101 Slave and IEC60870-5-104 Server devices. It can simulate 101 and 104 Controlling Station.

The main usage of this simulator is to test communication against Brodersen RTU870 or Brodersen RTU32. It supports the most commonly used ASDUs and standard functions like General Interrogation, time synchronization etc. The communication is presented in the communication viewer in both readable text and as complete Hex strings for debugging and verification.


  • IEC60870 master/slave communication details in readable text and in complete frames in Hex
  • Show and support several link layer communication options
  • Report any Events in Monitor Direction
  • Support wide range of ASDU types in Control Direction
  • Standard functions like General Interrogation and clock synchronization
  • IEC60870-5-104 advanced link layer functions for Redundancy Groups
  • IEC60870-5-101 dial connection manager for test of dial connections to remote RTUs


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