Smart Energy Module Connects Metering and Control

Published:2011/6/27 5:18:00 Author:Amy From:SeekIC

ByteSnap Design is an embedded systems software development and electronics design consultancy, creating innovative, robust and high quality electronics and software products for our customers. Recently, it has released a ZigBee Smart Energy-compliant module that provides metering and control in smart energy systems. By adopting the ZigBee Smart Energy protocol, the ZMM-01 can use the command-set specified by the standard to control energy equipment within home or office.

Through the ZigBee mesh network, wirelessly connecting to other devices, the ZMM-01 can form a basic part of the smart home, helping to lower power usage by implementing building management protocols.

The company declares that the ZMM-01 is quite suitable for many types of distributed control and monitoring systems, for example: wireless charging for electric vehicles, street lighting control, data centre power monitoring and building air-conditioning control.

The module takes the Ember EM357 as base; a ZigBee radio-on-a-chip which integrates a fully compliant IEEE 802.15.4/ZigBee wireless transceiver with the powerful ARM Cortex-M3 microcontroller, capable of running the ZigBee Smart Energy protocol and application code while still consuming just 30mA to transmit.

The ZMM-01 simplifies working with ZigBee Smart Energy – implementing a complete ZigBee SE smart meter now only requires the addition of a shunt resistor and current transformer (CT). The resulting device can compose the heart of a meter that meets IEC EN62053-21 class 1 or 62053-23 class 2. The ZMM-01 offers a Smart Energy solution that is ready for system integration.

The Cirrus Logic CS5467 Analogue Front End (AFE) is closely coupled to this; developed specifically for energy measurement applications. The AFE incorporates on-chip functions for measuring voltage and current to calculate active, reactive and apparent power/energy with Energy Linearity: ±0.1% of Reading over 1000:1 Dynamic Range.

The ZDM-01 Development Kit complements the ZMM-01 Smart Energy module, offering a complete platform for module evaluation and code development.

Dunstan Power, Director, ByteSnap Design, commented: "Energy management is expected to help drive the M2M market into the mainstream over the next two years. Legislation is being implemented across Europe and other places, producing demand for solutions in this emerging market. The ZMM-01 offers OEMs and ODMs the opportunity to accelerate their entry in to this fast-moving marketplace with a pre-certified and fully compliant turn-key solution." The related integrated circuit is MG51T.

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