Communication and Accessories
The Rosemount Tank Radar Rex system can be equipped with a wide range of supplementary devices such as switches, display and communication units.
 | The Data Acquisition Unit (DAU 2100) is used together with an associated Radar Tank Gauge for local readout and for connection of temperature sensors.
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 | The Field Bus Modem (FBM) is used for connecting a TankMaster PC to the TRL2 Bus. |
 | The FCU polls data from Rosemount tank gauging field devices and stores the values in a buffer memory. When a request for data is received, the FCU can send data from up to 32 tanks. |
 | This switch is used when a separate high level alarm device is required to prevent overfill situations. It is available in two versions, DS20D for tank roof detection and DS21D for detection of liquid on the floating roof. |
 | RDU 40 is a robust display unit for outdoor use in hazardous areas which can be connected up to 100 m (330 ft) from the gauge. If the number of temperature elements per tank is 6 or less, it is the most cost efficient field display. |
 | The fixed roof alarm switch, Rosemount 2120 Vibrating Fork, is used when a separate alarm switch is required to prevent overfill situations. The radar level gauge itself is also approved for overfill protection. |
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