Freescale MCF51EM Polyphase Meter Reference Design

Freescale announced a turnkey metering reference design built upon an advanced microcontroller (MCU) customized for the electrical metering market. The polyphase reference design, based on Freescale’s advanced MCF51EM256 ColdFire MCU, is a cost-optimized implementation of a single-phase or three-phase smart electrical meter. The reference design contains necessary hardware and software to make development of smart meters quick and easy. The Freescale polyphase reference design is available now for loan and evaluation.

Freescale MCF51EM Polyphase Meter Reference Design for electrical metering

Freescale MCF51EM Polyphase Meter Reference Design Features

  • Complete solution for 1-phase, 3-phase, 110V and 230V electricity meters for all global regions
  • Able to achieve class 0.5 or better for active energy
  • Enables rapid development and deployment of a production meter
  • Full documentation including pre-compliance test data is available, to simplify and speed certification process
  • Software source code is supplied as a CodeWarrior project for easy re-use:
    • Direct use in a metering application
    • Customization and extension
    • Use of individual modules in other projects
  • Full working reference design is available for loan and evaluation

The Freescale polyphase reference design, based on the MCF51EM256 MCU, includes the necessary design documentation and software to help customers quickly develop a production meter design. It has been designed and tested against the following International Electrotechnical Commission (IEC) standards:

  • IEC 62053-22 International Energy Metering Specification, class 0.5 or better for active energy
  • IEC 62053-23 International Energy Metering Specification, class 2 for reactive energy
  • IEC 62056-21 International Energy Metering data exchange Specification
  • IEC 62053-22, IEC 62053-23, IEC 62052-11 Electro Static Discharge (ESD), tested per IEC 61000-4

More Info: Freescale Semiconductor Metering Solutions