Single-Phase Metering

SINGLE-PHASE-METER

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With the growing consumption of energy worldwide, particularly in the residential market, utility providers need increasingly accurate, and cost-effective energy metering solutions. The KM3x_256 series single-phase electricity meter reference design addresses these accuracy and cost needs by providing a high-performance analog front end combined with an embedded programmable gain amplifier.

Kinetis® M Series MCUs - Fact Sheet

Kinetis KM3x MCU Single-Phase Metering Reference Design - Fact Sheet

Block Diagram

Single Phase Meter

Single Phase Meter Block Diagram
Get diagram PDF

Supported Devices

Wireless Connectivity

Thread

  • KW2xD: Kinetis® KW2xD-2.4 GHz 802.15.4 Wireless Radio Microcontroller (MCU) based on Arm® Cortex®-M4 Core

Processors and Microcontrollers

KM Series Arm Cortex-M0+

  • KM3x: 50–75 MHz Precision Metrology MCUs with Segment LCDs Based on Arm® Cortex®-M0+

Features

MCU

  • MKM34Z256 MCU built on the Arm Cortex-M0+ core with MMAU support

POWER

  • 5 to 80 A current range
  • 85 to 264 V, 50/60Hz voltage range
  • Low-power modes including the use of built-in RTC (Li-battery backup)

PERIPHERALS

  • 8 x 16 segment LCD, including charge pump (values shown on LCD: V, A, W, VAr, VA, kWh, kVArh, cos φ, Hz, THD, time, date)
  • Isolated (4 kV) RS-232 port for monitoring, parameterization, and firmware upgrade
  • IEC 1107 infrared hardware interface
  • RF connector supporting sub GHz or 2.4 GHz 802.15.4 communications for Arm and remote control (KW0x or KW2x wireless MC
  • LED pulse outputs (kWh, kVArh)
  • Single built-in mechanical button as control interface

SENSOR

  • Low-power, 3-axis Xtrinsic tilt sensor for electronic tamper detection (optional)

OTHERS

  • Four-quadrant energy measurement (import/export)
  • Line frequency measurement (for precision zero-cross detection)
  • EMC proven design (EN61000-4-2, EN610004-4)
  • Cost-effective bill of materials (BOM)
  • Cost-effective shunt-resistor sensing circuit implementation
  • Accuracy class C (for active and reactive energy EN50470-3)

Buy Options

TWR-KM34Z75M-Image

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  • TWR-KM34Z75M
    Active

  • Tower System Development Board for Kinetis KM14, KM33 and KM34 (50 MHz) MCUs.

  • Kit contains:

    • TWR-KM34Z75M Tower System module
    • Quick Start Guide
    • USB Cable
  • For a quantity of 1
Order from distributors
N true 0 PSPSINGLE-PHASE-METERen 7 Application Note Application Note t789 2 Application Note Software Application Note Software t783 1 Fact Sheet Fact Sheet t523 2 Reference Manual Reference Manual t877 2 en_US en_US en Reference Manual Reference Manual 2 1 0 English This design reference manual describes a solution for one-phase electronic power meter, based on the MKM34Z256VLL7 MCU. 1434954632943727378532 PSP 10.0 MB Registration without Disclaimer None documents Extended 1434954632943727378532 /secured/assets/documents/en/reference-manual/DRM163.zip 10001358 /secured/assets/documents/en/reference-manual/DRM163.zip DRM163 documents Y N 2016-10-31 MKM34Z256 One-Phase Power Meter Design Reference Manual /webapp/Download?colCode=DRM163 /secured/assets/documents/en/reference-manual/DRM163.zip Reference Manual N 500633505221135046 2023-06-18 zip Y en May 7, 2019 500633505221135046 Reference Manual Y N MKM34Z256 One-Phase Power Meter Design Reference Manual 2 0 English This Design Reference Manual describes the design of a single-phase energy meter reference design, based on Kinetis M metrology microcontrollers (MCU) 1401704309582732444607 PSP 3.9 MB Registration without Disclaimer None documents Extended 1401704309582732444607 /secured/assets/documents/en/reference-manual/DRM142.pdf 3912524 /secured/assets/documents/en/reference-manual/DRM142.pdf DRM142 documents Y N 2016-10-31 Kinetis<sup>®</sup> M Family Single-Phase Design Reference Manual /webapp/Download?colCode=DRM142 /secured/assets/documents/en/reference-manual/DRM142.pdf Reference Manual N 500633505221135046 2023-06-18 pdf Y en Oct 15, 2014 500633505221135046 Reference Manual Y N Kinetis<sup>®</sup> M Family Single-Phase Design Reference Manual Application Note Application Note 2 3 4 English This Application Note describes metering library that implements a Filter-Based Metering algorithm designed for MCU devices featuring sigma-delta converter 1376902952236721193639 PSP 2.1 MB None None documents None 1376902952236721193639 /docs/en/application-note/AN4265.pdf 2134052 /docs/en/application-note/AN4265.pdf AN4265 documents N N 2016-10-31 Filter-Based Algorithm for Metering Applications /docs/en/application-note/AN4265.pdf /docs/en/application-note/AN4265.pdf Application Note N 645036621402383989 2022-12-07 pdf N en May 7, 2019 645036621402383989 Application Note Y N Filter-Based Algorithm for Metering Applications 4 2 Chinese 1386058129756705742722zh PSP 1.0 MB None None documents None 1386058129756705742722 /docs/zh/application-note/AN4847.pdf 1030925 /docs/zh/application-note/AN4847.pdf AN4847 documents N N 2016-10-31 Using the FFT on Sigma-Delta ADCs /docs/zh/application-note/AN4847.pdf /docs/zh/application-note/AN4847.pdf Application Note N 645036621402383989 2022-12-07 zh 645036621402383989 Application Note N 在Σ-Δ ADC上使用FFT 2 English This application note deals with two topics in digital signal processing and metering, namely the Fast Fourier Transform (FFT) and sigma delta Analog-to-Digital Converters (SD ADCs). 1386058129756705742722 PSP 1.0 MB None None documents None 1386058129756705742722 /docs/en/application-note/AN4847.pdf 1030925 /docs/en/application-note/AN4847.pdf AN4847 documents N N 2016-10-31 Using the FFT on Sigma-Delta ADCs /docs/en/application-note/AN4847.pdf /docs/en/application-note/AN4847.pdf Application Note N 645036621402383989 2022-12-07 pdf N en May 7, 2019 645036621402383989 Application Note Y N Using the FFT on Sigma-Delta ADCs Application Note Software Application Note Software 1 5 4 English AN4265: This Software accompanies the application note that describes an accurate and scalable metering algorithm that is intended for use in electronic meters, further referred to as the Filter-Based Metering Algorithm. 1376902762313703245739 PSP 28.4 MB Registration without Disclaimer None documents Extended 1376902762313703245739 /secured/assets/documents/en/application-note-software/AN4265SW.zip 28449226 /secured/assets/documents/en/application-note-software/AN4265SW.zip AN4265SW documents Y N 2016-10-31 Software File for AN4265 /webapp/Download?colCode=AN4265SW /secured/assets/documents/en/application-note-software/AN4265SW.zip Application Note Software N 789425793691620447 2022-12-07 zip Y en Apr 5, 2016 789425793691620447 Application Note Software Y N Software File for AN4265 Fact Sheet Fact Sheet 2 6 8 English Kinetis<sup>&#174;</sup> KMx Fact Sheet: Low-power Arm<sup>®</sup> Cortex<sup>®</sup>-M0+ microcontroller(MCU) w/ 24-bit delta-sigma ADCs, segment LCD, security features for metrology and metering 1349742688252710314935 PSP 331.6 KB None None documents None 1349742688252710314935 /docs/en/fact-sheet/KNTSKM3XFS.pdf 331640 /docs/en/fact-sheet/KNTSKM3XFS.pdf KNTSKM3XFS documents N N 2016-10-31 KM Series MCUs – Fact Sheet /docs/en/fact-sheet/KNTSKM3XFS.pdf /docs/en/fact-sheet/KNTSKM3XFS.pdf Fact Sheet N 736675474163315314 2022-12-07 pdf N en Feb 26, 2021 736675474163315314 Fact Sheet Y N KM Series MCUs – Fact Sheet 7 1 English With the growing consumption of energy worldwide, particularly in the residential market, utility providers need increasingly accurate and cost-effective energy metering solutions. The Kinetis M series single-phase electricity meter reference design addresses these accuracy and cost needs by providing a high-performance analog front end (24-bit AFE) combined with an embedded programmable gain amplifier (PGA) to increase the accuracy of energy measurement, along with a cost-effective shunt sensing circuit implementation and bill of materials (BOM). 1549998838105720496829 PSP 195.2 KB None None documents None 1549998838105720496829 /docs/en/fact-sheet/KNTSKINMSFS.pdf 195168 /docs/en/fact-sheet/KNTSKINMSFS.pdf KNTSKINMSFS documents N N 2019-02-12 Kinetis KM3x MCU Single-Phase Metering Reference Design /docs/en/fact-sheet/KNTSKINMSFS.pdf /docs/en/fact-sheet/KNTSKINMSFS.pdf Fact Sheet N 736675474163315314 2022-12-07 pdf N en Feb 12, 2019 736675474163315314 Fact Sheet Y N Kinetis KM3x MCU Single-Phase Metering Reference Design false 0 SINGLE-PHASE-METER downloads en true 0 Y PSP Application Note 2 /docs/en/application-note/AN4265.pdf 2016-10-31 1376902952236721193639 PSP 3 May 7, 2019 Application Note This Application Note describes metering library that implements a Filter-Based Metering algorithm designed for MCU devices featuring sigma-delta converter None /docs/en/application-note/AN4265.pdf English documents 2134052 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN4265.pdf Filter-Based Algorithm for Metering Applications /docs/en/application-note/AN4265.pdf documents 645036621402383989 Application Note N en None Y pdf 4 N N Filter-Based Algorithm for Metering Applications 2.1 MB AN4265 N 1376902952236721193639 /docs/en/application-note/AN4847.pdf 2016-10-31 1386058129756705742722 PSP 4 May 7, 2019 Application Note This application note deals with two topics in digital signal processing and metering, namely the Fast Fourier Transform (FFT) and sigma delta Analog-to-Digital Converters (SD ADCs). None /docs/en/application-note/AN4847.pdf English documents 1030925 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN4847.pdf Using the FFT on Sigma-Delta ADCs /docs/en/application-note/AN4847.pdf documents 645036621402383989 Application Note N en None Y pdf 2 N N Using the FFT on Sigma-Delta ADCs 1.0 MB AN4847 N 1386058129756705742722 Application Note Software 1 /secured/assets/documents/en/application-note-software/AN4265SW.zip 2016-10-31 1376902762313703245739 PSP 5 Apr 5, 2016 Application Note Software AN4265: This Software accompanies the application note that describes an accurate and scalable metering algorithm that is intended for use in electronic meters, further referred to as the Filter-Based Metering Algorithm. Registration without Disclaimer /secured/assets/documents/en/application-note-software/AN4265SW.zip English documents 28449226 None 789425793691620447 2022-12-07 Y /webapp/Download?colCode=AN4265SW Software File for AN4265 /secured/assets/documents/en/application-note-software/AN4265SW.zip documents 789425793691620447 Application Note Software N en Extended Y zip 4 Y N Software File for AN4265 28.4 MB AN4265SW N 1376902762313703245739 Fact Sheet 2 /docs/en/fact-sheet/KNTSKM3XFS.pdf 2016-10-31 1349742688252710314935 PSP 6 Feb 26, 2021 Fact Sheet Kinetis<sup>&#174;</sup> KMx Fact Sheet: Low-power Arm<sup>®</sup> Cortex<sup>®</sup>-M0+ microcontroller(MCU) w/ 24-bit delta-sigma ADCs, segment LCD, security features for metrology and metering None /docs/en/fact-sheet/KNTSKM3XFS.pdf English documents 331640 None 736675474163315314 2022-12-07 N /docs/en/fact-sheet/KNTSKM3XFS.pdf KM Series MCUs – Fact Sheet /docs/en/fact-sheet/KNTSKM3XFS.pdf documents 736675474163315314 Fact Sheet N en None Y pdf 8 N N KM Series MCUs – Fact Sheet 331.6 KB KNTSKM3XFS N 1349742688252710314935 /docs/en/fact-sheet/KNTSKINMSFS.pdf 2019-02-12 1549998838105720496829 PSP 7 Feb 12, 2019 Fact Sheet With the growing consumption of energy worldwide, particularly in the residential market, utility providers need increasingly accurate and cost-effective energy metering solutions. The Kinetis M series single-phase electricity meter reference design addresses these accuracy and cost needs by providing a high-performance analog front end (24-bit AFE) combined with an embedded programmable gain amplifier (PGA) to increase the accuracy of energy measurement, along with a cost-effective shunt sensing circuit implementation and bill of materials (BOM). None /docs/en/fact-sheet/KNTSKINMSFS.pdf English documents 195168 None 736675474163315314 2022-12-07 N /docs/en/fact-sheet/KNTSKINMSFS.pdf Kinetis KM3x MCU Single-Phase Metering Reference Design /docs/en/fact-sheet/KNTSKINMSFS.pdf documents 736675474163315314 Fact Sheet N en None Y pdf 1 N N Kinetis KM3x MCU Single-Phase Metering Reference Design 195.2 KB KNTSKINMSFS N 1549998838105720496829 Reference Manual 2 /secured/assets/documents/en/reference-manual/DRM163.zip 2016-10-31 1434954632943727378532 PSP 1 May 7, 2019 Reference Manual This design reference manual describes a solution for one-phase electronic power meter, based on the MKM34Z256VLL7 MCU. Registration without Disclaimer /secured/assets/documents/en/reference-manual/DRM163.zip English documents 10001358 None 500633505221135046 2023-06-18 Y /webapp/Download?colCode=DRM163 MKM34Z256 One-Phase Power Meter Design Reference Manual /secured/assets/documents/en/reference-manual/DRM163.zip documents 500633505221135046 Reference Manual N en Extended Y zip 0 Y N MKM34Z256 One-Phase Power Meter Design Reference Manual 10.0 MB DRM163 N 1434954632943727378532 /secured/assets/documents/en/reference-manual/DRM142.pdf 2016-10-31 1401704309582732444607 PSP 2 Oct 15, 2014 Reference Manual This Design Reference Manual describes the design of a single-phase energy meter reference design, based on Kinetis M metrology microcontrollers (MCU) Registration without Disclaimer /secured/assets/documents/en/reference-manual/DRM142.pdf English documents 3912524 None 500633505221135046 2023-06-18 Y /webapp/Download?colCode=DRM142 Kinetis<sup>®</sup> M Family Single-Phase Design Reference Manual /secured/assets/documents/en/reference-manual/DRM142.pdf documents 500633505221135046 Reference Manual N en Extended Y pdf 0 Y N Kinetis<sup>®</sup> M Family Single-Phase Design Reference Manual 3.9 MB DRM142 N 1401704309582732444607 true Y Designs

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