Protocol Server Bridge - IEC 60870-5-101/104 Slave

The IEC 60870-5-101/104 Slave is part of ReLab Protocol Server Bridge.  The Bridge converts a computer into an IEC 60870-5-101/104 Slave Device. The IEC 60870-5-101/104 Slave is fully compatible with a Serial and TCP/IP interfaces.


ReLab IEC 60870-5-101/104 (RLIEC101/104) provides full control over hardware devices through the industry accepted IEC 60870-5-101/104 protocol. The application includes an advanced configuration console designed for ease-of-use.

Combining RLIEC101/104 with ReLab Protocol Server Bridge (RLPSB) users can build “Protocol Bridges” to access OPC address space and perform protocol conversions, converting any protocol to IEC 60870-5-104/104 for Ethernet applications.


  • Is easily configurable, runs in minutes
  • Supports Double Point, Step Position, Integrator Totals, Normalized Value, Scaled Value
  • Supports user configurable reported timestamp (cp16, sp24, sp32)
  • Supports Background Scan as well as Balanced and Unbalanced modes
  • High performance, robust and scalable architecture 
  • Provides a simple method for systems integrators and OEMs to utilize standard tools to implement their systems
  • Provides access to various plant-floor or control room data
  • Unlimited data points (tags)

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program screenshots