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Low-power autonomous controller compliant with Foundation fieldbus

08 February 2010

Yokogawa Electric Corporation has released an enhanced version of the Stardom network-based control system's FCN-RTU low power autonomous controller.

Low-power autonomous controller compliant with Foundation fieldbus
Low-power autonomous controller compliant with Foundation fieldbus

The functional enhancements include the addition of support for the Foundation fieldbus and Hart digital communication protocols. This makes it possible to acquire multi-variable data from a multi-sensing transmitter over a single cable, and also allows multi-drop connections with field devices. This reduces wiring installation and maintenance costs, and the simplified wiring is easier to maintain.

Key benefits of this version include enhanced accuracy and the ability to carry out highly efficient device inspection and predictive maintenance.

To reliably calculate the oil and natural gas production volume, it is necessary for a controller to obtain highly accurate data. This controller's support of digital communications with field devices lessens the need for digital-to-analogue and analogue-to-digital data conversion, which improves the accuracy of production volume calculation by reducing conversion error.


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