Yokogawa releases enhanced version of Stardom network-based control system

Yokogawa Electric Corporation has released an enhanced version of the Stardom network-based control system. With this release, the integrity of the data transferred between supervisory control and data acquisition (SCADA) systems and programmable logic controllers (PLCs) is ensured in challenging upstream oil & gas and other applications.

Development Background
The FCN autonomous controller and the FCN-RTU low-power controller are core components of the Stardom network-based control system, which is widely used in applications involving the monitoring and control of oil & gas fields, water supply facilities and other installations that are often hundreds of kilometers apart. In such applications, the controllers installed at each site send data via a narrowband communications link to the SCADA system at a central control facility. To ensure that no data is lost, such systems generally employ DNP3, an open distributed network communications protocol. The Stardom system has been enhanced to make better use of the functions supported by the DNP3 protocol.

Product Features
With this enhancement, the FCN and FCN-RTU controllers now support a dual connection to DNP3 clients, enabling the same data to be sent to master and SCADA systems (the DNP3 clients) at the same time. When the same essential data is stored on master and back-up SCADA servers in separate locations, the system can switch over to the back-up SCADA server in the event of a disaster or some other eventuality that causes the master SCADA server to go offline.

Takashi Nishijima, a Yokogawa director and senior vice president of the Industrial Automation Platform Business Headquarters, says "Dating back to the days when we introduced our flagship Centum system, Yokogawa has continually been focused on maximizing system reliability, and this is one of the core values of our VigilantPlant initiative. We have adopted the same policy with our SCADA systems and are able to prevent the loss of valuable data and guarantee total consistency, even when data is transmitted between customer facilities that may be hundreds of kilometers apart."

About Stardom
Stardom is an open network control system consisting of components with control, operation and monitoring functionality, and is highly acclaimed, as it combines the reliability of a DCS with the versatility and economy of a PLC. The autonomous controllers at the core of Stardom have the same control and monitoring functions found in a PLC as well as the information distribution functions of a PC. They are widely used as intelligent remote terminal units (RTU) in distributed applications such as natural gas and oil wells and pipelines. When used in combination, FCN and FCN-RTU autonomous controllers and the FAST/TOOLS SCADA software give increased flexibility in distributed applications.

Applications include onitoring, operation, control, data collectionand data storage for geographically distributed facilities.

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