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Technology Migration Plan at Japan Power Generation Limited

Japan Power Generation Limited, a 135 MW with 24 high speed diesel engines power plant was installed with the OEM provided Diasys system running on 386 machines with Unix 4.2.

Japan Power was faced with similar technology migration issues as are faced with every organization today. The technology migration strategy at Japan Power was:

Select a product that is based on open standards
Phase out the migration process
Provide a thorough industry standard OPC interface to their entire automation system
Use the standards now deployed to live out the entire life cycles of the products being used

The powers of Standards Based Connectivity

When Japan Power initially started out in their venture to develop a migration system they were faced with a number of issues, the first and foremost issue was to collect data from a proprietary system into a system that worked on open standards. OPC was the logical choice here for the following reasons:

Managing the continual migration process would only be possible if they were
using an open standards product
Fetching data from a proprietary system would have only been possible by
using OPC
Using industry standards they now could phase out their migration plans

IntelliMAX, with it’s through and through standards based connectivity interfaces was chosen by Japan Power. Not only did IntelliMAX provide them with all six interfaces of OPC, it also provided them with ODBC, SOAP and XML data connectors for eventual enterprise wide integration.

The SENSYS Solutions team joined hands with the Japan Power engineering team to help them develop the most amicable solution. IO Server was chosen as the OPC server to fetch data from the Diasys DCS via Thicknet interface and to feed it into IntelliMAX server through IntelliMAX DA client.

The architecture that SENSYS solutions suggested to Japan Power has been laid out in Fig 2

The Power of Advanced Historian

Japan Power’s management was previously not able to archive data. With the integrated historian DataMAX, they were now able to archive history data, analyze for plant metrics and evaluate production performance in an objective manner. To top it off, ReportMAX fulfilled the need of a dynamic reporting tool offering both preconfigured and custom Web or Excel based historian reports; both periodic and on-demand.