MMS Lite is a portable IEC 61850 source code product for embedding the IEC 61850 protocols in Intelligent Electronic Devices (IEDs) such as RTUs, reclosers, PLCs, meters and other resource-constrained systems. MMS Lite is easily portable to ANY operating system and CPU type supporting an ANSI C compiler for maximum flexibility. MMS Lite supports all the client and server functions needed to implement IEC61850 compatible devices supporting IEC 61850 parts 6, 7-2, 7-3, 7-4, 7-410 (Hydropower models), 7-420 (distributed energy resource (DER) models), 8-1, 9-2, and IEC 61400-25-2 (for wind power models). MMS Lite supports all ACSI client and server services and objects including servers, logical devices, logical nodes, setting groups, data, datasets, logs, buffered and unbuffered reporting, controls, GOOSE, and multicast sampled values. The latest release includes support for Routable GOOSE (R-GOOSE) per IEC TR 61850-90-5 and client/server communications over IPV6. Also available with ICCP-TASE.2 Extensions.


  • Designed specifically for embedded environments to minimize CPU and memory requirements and to maximize performance
  • All code uses standard ANSI C source code to facilitate portation to virtually any environment
  • Supports client and server development for both Ed.1 and Ed.2 of IEC 61850
  • Instantiates data models and mapping to device data on power up using SCL files
  • Client/Server communications supporting both IPV6 and IPV4
  • Support for both Ethernet and IP Multicast Routable GOOSE (R-GOOSE) per IEC TR 61850-90-5
  • Optional IEC 62351 Security Extensions for TLS encryption and strong authentication
  • Complete documentation and sample source code provided to illustrate how to use MMS Lite for application development
  • Field-proven implementation reduces development risk, minimizes development effort, and shortens time-to-market
  • Flexible licensing options available for both small and large volume applications




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