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Modbus functionality added to Rosemount Guided Wave Radar transmitter family

03 March 2009

Emerson Process Management has introduced a version of its Rosemount 3300 Series of Guided Wave Radar (GWR) transmitters with a Hart to Modbus Converter; the version includes Modbus ASCII and LevelMaster protocols in addition to the previously available Modbus RTU. The additional protocols, combined with the ability to configure the transmitter remotely over the Modbus communication wires using Hart, provide users with real time level and interface measurement.

The Modbus functionality shows a potential reduction of up to 60% in start-up, programming and on-site maintenance-related costs. For example, remote configuration of the GWR transmitter at grade level eliminates the need for personnel to climb the tank. The LevelMaster emulation enables the 3300 to imitate the ABB, Siemens and Kimray ‘Tank’ protocols and be functional on its systems, so the RTU setup can be completed in just minutes.