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Second Wind Introduces Modbus Protocol for Nomad 2 Data Logger
16 May 2005 — Second Wind Inc., an award winning provider of wind data software and hardware solutions, announced today the availability of a Modbus port for its Nomad 2 data logger. Nomad 2 now easily connects to SCADA systems, wireless networks, and PC-based weather station/web servers. Modbus is one of the most popular and widely supported industrial serial communications protocols, used by programmable controllers, measurement equipment, and data concentrators.
In the past, customers have had to install duplicate instrumentation at sites: one device to log wind data, and a second device to transmit wind data to the communications network. Or, customer had to use a general-purpose logger that lacked features found in a product designed specifically for wind energy sites.
Implementing Modbus on in the Nomad 2 data logger provides a rugged stand-alone data logger that can monitor up to twelve anemometers and eight other devices, record the data on a Compact Flash card, transmit email via cellular modem, and respond to data queries from a SCADA or network master.
"Nomad 2 is more than a data logger," said Walter Sass, president of Second Wind Inc. "It's the ideal windfarm weather station. Our customers have been asking us to streamline met monitoring on windfarms, and Modbus on Nomad 2 is the answer."
Nomad 2 incorporates the Modbus protocol with no hardware modifications.
The device port, a standard feature on the Nomad 2, transmits Modbus when
the Nomad has an appropriate version of firmware.
About Second Wind Inc.
Founded in 1980, Second Wind Inc. advances the use of wind data to make wind energy more profitable for owners, painless for operators and practical for consumers. Key products include: Nomad® data logger and tower systems; Triton® sodar systems; SkyServe® satellite wind data service and Phaser® power transducers. Second Wind is headquartered in Somerville, Massachusetts, USA, and is privately held. For more information on the Triton sonic wind profiler or SkyServe satellite wind data service and Second Wind's other products, visit www.secondwind.com.
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