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DT303 Profibus PA Density Transmitter

DT303 Profibus PA Density Transmitter

The DT303 Profibus PA Density Transmitter is an instrument developed for the continuous, online measurement of liquid concentration and density, directly in the industrial process. Its pioneer technology consists of a capacitive type differential pressure transmitter coupled to a pair of pressure repeaters immersed in the process.

A temperature sensor located between the two pressure repeaters is used to compensate the temperature variations in the process fluid. A dedicated software, by means of an algorithm, calculates the fluid density. Depending on the industrial process, density may be expressed in Brix degree, Gay-Lussac degree, Baumé degree, Plato degree, concentration, etc.

The DT303 is designed for Profibus PA Digital Communication Protocol.

FRI302 Fieldbus Relay and Dry Contact Input

FRI302 Fieldbus Relay and Dry Contact Input

FRI302 is a Foundation™ fieldbus device with two built-in relays and two dry contact inputs. It makes the integration of fieldbus and conventional devices such as solenoids, on/off valves, electrical actuators, motors, pumps and soft starters, easier. FRI302 fieldbus can be field installed close to the conventional input/output devices without the need to run long conventional wiring to the control room. The FRI302 is an integral part of SYSTEM302 and can also be integrated with any control systems supporting FOUNDATION™ Fieldbus technology.

An extensive function block library enables FRI302 to perform logic and regulatory control functions at the field level, compounding larger control strategies with other H1 fieldbus devices and the host control system. Instantiable function blocks provide great flexibility to the control strategies. Link master capability allows FRI302 to work as backup LAS for greater availability to the H1 network communications.