Network-based control system enhanced

01 March 2013

Yokogawa Electric Corporation has released an enhanced version of its STARDOM network-based control system ensures the integrity of the data transferred between SCADA systems and PLCs in challenging upstream oil & gas and other applications.

The FCN autonomous controller and the FCN-RTU low power controller are core components of the STARDOM network-based control system.

The controllers installed at each site in remote applications will generally 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.

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 backup SCADA systems at the same time. When the same essential data is stored on master and backup SCADA servers in separate locations, the system can switch over to the backup SCADA server in the event of a disaster or some other eventuality that could cause the master SCADA server to go offline. This disaster recovery system ensures the uninterrupted monitoring and control of oil & gas fields, water supply facilities, and other types of infrastructure.

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