Yokogawa Marex introduced the VISA (Value-added Information Sourced Applications) product suite in January 2001 as a complete solution to automated Operations Management providing the following core functionality:

• Object Oriented plant model complete with integration to ERP, Maintenance, Planning and Scheduling etc.
• Mass Balancing
• Production Accounting
• Performance Monitoring
• Environmental Monitoring
• Plant Information Management
• Laboratory Information Management
• Operations Activity Management

The VISA suite is now complimented by an embedded data validation/reconciliation solution provided by Belsim's VALI III reconciliation product. This embedded solution enables automatic generation of a VALI compatible data model for the VALI reconciliation engine directly from the VISA Plant Model. In this way, optional validation of data for mass balances and production accounting used in the VISA applications can be provided automatically as a software option. This transparent integration of the VISA and VALI products provides considerable benefits to customers in the form of:

• Limited additional engineering to move from non-reconciled to fully reconciled VISA solutions
• Single source embedded training and support reduces total cost of ownership for the complete solution
• Single point of contact for issue resolution and help-desk support from one vendor eliminates risk of contention between mutliple third party software providers
• The VALI model may be upgraded to provide a full development environment for detailed thermodynamic plant modelling giving access to the full potential of the software for plant follow-up and optimisation
• Belsim's long-standing chemical engineering experience in process modelling and optimisation of complex process plants is available through a single turnkey supply within Yokogawa.

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