Reference Designs
Single-Phase E-Meter System on Module (SoM)
Texas Instruments
The design implements a highly accurate single-phase electric meter system using the MSP430AFE253 analog front end. It meets the requirements for ANSI C12.20 and IEC-62053 Class 0.2 meters. The System on Module (SoM) is designed to be a plug-in card to a larger motherboard through a standard connector. The SoM is compatible with the TI Smart Meter Board 3.0. The MSP430AFE2xx SoM is suitable for developers of smart e-meters and Distribution Automation equipment that require highly accurate energy measurement.
Features
- Single-phase electricity measurement which exceeds Class 0.2 accuracy requirements from ANSI and IEC
- Compatible with a variety of input circuits and sensing technologies (Shunts, Current Transformers, etc.)
- All analog and digital IOs available on convenient header
- Integrated LEDs for metrology pulse information and status notification
- TI Energy Library firmware calculates all energy measurement parameters including active and reactive power and energy, RMS current and voltage, power factor, and line frequency.
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