T&D World Magazine

Integrated Universal Meter Platform Capable of Supporting Multiple Smart Grid Systems

Elster has announced that an integrated universal meter and radio platform, the REXUniversal meter, is expected to be commercially available in North America in the second quarter of 2012.

Elster's REXUniversal meter platform allows EnergyAxis and other smart grid vendors' 900MHz radio frequency mesh communications to run natively on the identical REXUniversal meter hardware with integrated communications, economically delivering meter and network flexibility to utilities.

The fully integrated meter platform is capable of operating in various 900 MHz RF mesh Smart Grid systems without the cost penalty and additional hardware risk associated with specialized radio communication option boards. Previously, if a utility wanted to operate one vendor's communications on another vendor's meter, it had to have a separate proprietary communications card physically installed in the meter.

By integrating interoperability into a single card containing both metrology and communications, Elster's REXUniversal meter is designed to simplify updates to local area network (LAN) communication functionality and enable significant operational efficiencies by eliminating the need to remove meters and physically change-out the communications board to accomplish a system-wide network change.

On the Elster REXUniversal metering platform, communication protocols may be changed remotely to alter the device's personality, allowing the device to operate natively in different network systems without requiring hardware replacement.

The Elster REXUniversal meter platform features a highly advanced radio and communications processor, capable of supporting the future IEEE 802.15.4g standard and IPv6 protocols. This sophisticated technology design supports multiple vendor protocols, provides utilities with greater flexibility to change or upgrade network systems, and offers exceptional security by embedding memory directly on the chip.

In addition to Elster's EnergyAxis and emerging IEEE 802.15.4g protocols, Elster's REXUniversal meter platform will support other major 900 MHz RF mesh Smart Grid communications systems. Elster recently announced an agreement with Landis+Gyr to complete the first integration of outside firmware on Elster's meter platform.

Elster's REXUniversal meter design also supports additional communication modules, including but not limited to, cellular or Ethernet wide area network (WAN) interface cards, and options for local connectivity to in-home devices and gas and water meters.

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