Launch at Smart Grids Paris, CNIT, Paris La Défense, 4th June 2013
23 May 2013
Dusseldorf, May 23, 2013 — Renesas Electronics Europe, a premier provider of advanced semiconductor solutions, today announced the availability of a full reference platform for the RX21A Group of 32-bit microcontrollers (MCUs) for smart electricity meters with advanced functionality. Renesas will launch the platform at Smart Grids Paris on 4th June 2013.
The RX21A meter reference platform comprises a full development support environment including middleware for power measurement and calibration tools, enabling developers to easily design ultra-compact smart electricity meters allowing short time-to-market. Key hardware features include a modular design supporting both 3-phase 4 wire and single-phase operation, and configurable sensor types including current transformer. This enables it to operate at nominal 230V 50Hz~60Hz, with full 100mA to 100A measurement range. Accuracy is equivalent to IEC62053-22 (and ANSI C12.20), to at least 0.5s, and compliant with IEC6205-23, class 2 reactive.
A full set of metrology libraries is provided, enabling precision measurement of voltage and current on each phase, active and reactive power on each phase, and apparent and harmonic power on each phase. Power quality measurement functions such as voltage sag are also provided. Key software features include single point calibration for the 24-bit precision A/D converter (ADC) and analogue front-end (AFE), and temperature compensation for the AFE including programmable gain amplifier (PGA) and ADC, voltage reference, and real time clock. Data exchange can be carried out via the IEC62056-21 (also known as IEC1107) optical port and isolated USB virtual COM port. A user-friendly, multi-function graphical display and an intuitive PC graphical user interface allow easy operation.
The RX21A Group of MCUs implements in a single chip functions that previously required separate devices, such as power measurement, meter control, calculation of electricity charges, and data encryption. This reduces the number of external components required and helps to lower the overall cost. In addition, the RX21A Group includes product versions for a variety of meter models, allowing common and effective system design.
Renesas is presenting the RX21A meter reference platform on its stand (A8) at Smart Grids Paris.
Further highlights include Renesas’ award-winning software configurable flexible Powerline Communication (PLC) modem solution supporting multiple standards, including OFDM PRIME and G3. This future-proof solution features high robustness, low power and low system bill-of-material, and can be ideally combined with a wide range of Renesas’ highly integrated RX MCU application processors.
Renesas' RX21A Group of MCUs is available in mass production. The RX21A electricity meter reference platform is available in limited quantities.
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About Renesas Electronics Europe
Renesas delivers trusted embedded design innovation with complete semiconductor solutions that enable billions of connected, intelligent devices to enhance the way people work and live – securely and safely. As the number one global supplier of microcontrollers, and a leader in A&P and SoC products, Renesas provides the expertise, quality, and comprehensive solutions for a broad range of Automotive, Industrial, Home Electronics (HE), Office Automation (OA) and Information Communication Technology (ICT) applications to help shape a limitless future.
Renesas Electronics Corporation was established in 2010 and is headquartered in Japan.With over 800 hardware and software alliance partners worldwide, it has the industry’s largest local support network. Renesas Electronics’ European structure is comprised of three business units – the Automotive, the Broad-based and the Industrial Solution Business Unit.
Further information about Renesas Electronics Europe is available at at www.renesas.com.
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