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Терраэлектроника

Single-Phase Energy Meter with CPU-Independent Metrology Engine and Tamper Detection (TIDM-SINGLEPHASEMETER-FE427A)

This single-chip electric meter solution implements a single-phase e-meter utilizing the MSP430FE427A SoC and TPS77033 LDO regulator. It utilizes the CPU-independent ESP430 Metrology Engine to perform all of the required e-meter calculations with no impact on the main MCU core. This allows the developer to add other functions into the SoC, reducing overall e-meter BOM cost. With this tool developers can quickly determine that the FE427A e-meter SoC fits the requirements for their low-cost smart e-meter. In addition, this EVM has tamper detection capabilities which assist the engineer’s development of methods to prevent theft of electricity from utilities.

Возможности

Single-phase electricity meter design meets the accuracy requirements for ANSI C12.20 and IEC-62053 Class 0.5 meters. The ESP430 independently calculates active and reactive power and energy, RMS current and voltage, power factor and line frequency. Built-in 128-segment display Powered from line voltage from 110V-240V Tamper detection algorithms implemented in the ESP430 with user-configurable threshold detection levels.

Файлы

Схемы и диаграммы

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Тесты и симуляция

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Спецификация (BOM)

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Single-Phase Energy Meter with CPU-Independent Metrology Engine and Tamper Detection TIDM-SINGLEPHASEMETER-FE427A

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