MVS205 Multi-Variable Sensor
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The inputs from an MVS sensor are used in performing differential pressure type calculations. The MVS205 typically operates as a remote unit that communicates via a serial format.
FloBoss 407 units may use a remote or integral MVS205 sensor. ROC300-Series controllers must be equipped with a Remote MVS Interface (CMA8H). FloBoss 500-Series units must be equipped with a Remote MVS Interface (CR1).
Variables Functionally, the MVS is a sensor device that measures three flow-related variables simultaneously: differential pressure, static pressure, and temperature. These variables are continuously available to the FloBoss or ROC unit that polls the MVS.
An external three or four-wire RTD is used to sense the process temperature. The RTD sensor is connected directly to the interface circuit board in the MVS sensor housing. User-supplied RTD field wiring is required for the connection.