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Overview
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 two-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 to increase the accuracy of energy measurement.
Two Phase Power Meter Reference Design
Specifications
Two Phase Power Meter Reference Design Block Diagram
Click on the diagram below to see recommended products
- FXOS8700CQ: Digital Motion Sensor - 3D Accelerometer (±2g/±4g/±8g) + 3D Magnetometer :6-Axis eCompass (3-Axis Mag, 3-Axis Accel)
- KW41Z: Kinetis® KW41Z-2.4 GHz Dual Mode: Bluetooth® Low Energy and 802.15.4 Wireless Radio Microcontroller (MCU) based on Arm® Cortex®-M0+ Core :Nine low-power modes to provide power optimization based on application requirements
- KM1x: Kinetis® KM1x-50 MHz, Mainstream Precision Metrology Microcontrollers based on Arm® Cortex®-M0+ :KM1x MCUs enable single-chip one-, two-, and three-phase electricity meters, as well as flow meter and other precision measurement applications.
- KM3x: Kinetis® KM3x-50–75 MHz Precision Metrology with Segment LCD MCUs based on Arm® Cortex®-M0+ :KM3x MCUs enable single-chip one-, two-, and three-phase electricity meters, as well as flow meters and other precision measurement applications.
Two Phase Power Meter Reference Design Block Diagram
Recommended Products
| Block Diagram | Category | Products | Features |
|---|---|---|---|
| Two Phase Power Meter Reference Design Block Diagram | |||
| Microcontrollers (MCUs) | |||
| KM1x: Kinetis® KM1x-50 MHz, Mainstream Precision Metrology Microcontrollers based on Arm® Cortex®-M0+ | KM1x MCUs enable single-chip one-, two-, and three-phase electricity meters, as well as flow meter and other precision measurement applications. | ||
| KM3x: Kinetis® KM3x-50–75 MHz Precision Metrology with Segment LCD MCUs based on Arm® Cortex®-M0+ | KM3x MCUs enable single-chip one-, two-, and three-phase electricity meters, as well as flow meters and other precision measurement applications. | ||
| Sensor | |||
| FXOS8700CQ: Digital Motion Sensor - 3D Accelerometer (±2g/±4g/±8g) + 3D Magnetometer | 6-Axis eCompass (3-Axis Mag, 3-Axis Accel) | ||
| Wireless MCU | |||
| KW41Z: Kinetis® KW41Z-2.4 GHz Dual Mode: Bluetooth® Low Energy and 802.15.4 Wireless Radio Microcontroller (MCU) based on Arm® Cortex®-M0+ Core | Nine low-power modes to provide power optimization based on application requirements |
Technical and Functional Specifications
Features
- 200 A current range (CL200, TA 30A)
- 85 to 264 V, 50/60Hz voltage range
- Two types of installation: Form 2S or Form 12S
- Accuracy class: ANSI C12.20-2002 Class 0.2
- Line frequency measurement (for precision zero-cross detection)
- Current transformer sensing circuit implementation for each phase
- Low-power modes including the use of built-in RTC (Li-battery backup)
- AMI expansion header supporting 2.4 GHz 802.15.4 or HAN/NAN (with 6loWPAN IPv6) communications for AMR and remote control
- EMC proven design (ANSI C62.41, IEC 61000-4-4)
Peripherals
- 8 x 20 segment LCD, including charge pump
- LED pulse outputs (kWh, kVARh)
- Isolated (4kV) RS-232 port for monitoring, parameterization, and firmware upgrade (optional)
- Infrared optical port according to ANSI C12.18-2006 (optional)
Networking
- Smart Metering Connectivity
Power & Energy
- Two-Phase Meters
Buy
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MKM14Z128ACHH5 Active
- Kinetis KM14: 50MHz Cortex-M0+ Metrology MCU, 128KB Flash, 16KB SRAM, 44-LGA
-
- MKM14Z128ACHH5
- 10K @ US
- $1.50
- Sample
- Buy Direct
- Distributor
Available Distributors:
Distributor Name Region Inventory Inventory Date Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.
No Distributors Available
-
- MKM14Z128ACHH5R
- 10K @ US
- $1.50
- Distributor
Available Distributors:
Distributor Name Region Inventory Inventory Date Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.
No Distributors Available
-
MKM33Z128ACLH5 Active
- Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 128KB Flash, 16KB SRAM, Segment LCD, 64-LQFP
-
- MKM33Z128ACLH5
- 10K @ US
- $1.80
- Sample
- Buy Direct
- Distributor
Available Distributors:
Distributor Name Region Inventory Inventory Date Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.
No Distributors Available
-
- MKM33Z128ACLH5R
- 10K @ US
- $1.80
- Distributor
Available Distributors:
Distributor Name Region Inventory Inventory Date Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.
No Distributors Available
Get Started
Get to know the Two-Phase Power Meter Reference Design and MKM34Z128
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FFT-Based Algorithm for Metering Applications - Application Note
- 26 Jul 2015
- 642.7 kB
- AN4255
Kinetis-M Two-Phase Power Meter - Reference Design- 14 Apr 2014
- 2.4 MB
- DRM149
Design Resources
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Schematics
KM34Z128 1P3W Power Meter Schematics- 10 Nov 2015
- 151.4 kB
- SCH-27700
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Design Files / BOM
Two Phase Power Meter Bill of Materials- 10 Nov 2015
- 15.7 kB
- TWO-PHASE-POWER-METER-BOM
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Tools and Software
Two Phase Power Meter Design Files- 10 Nov 2015
- 1.5 MB
- TWO-PHASE-POWER-METER-DF
FreeMASTER 2.5 Application Installation- 01 Jul 2019
- 31.4 MB
- FMASTERSW25