Product category:
Process Control: SCADA, ERP, MES and networks
News Release from: Yokogawa Europe - Industrial Automation | Subject: PRM R3
Edited by the Processingtalk Editorial
Team on 30 November 2006
Asset management of plant information
In today's process plants, software systems integrate and manage maintenance information from field instruments, monitor online conditions, and record historical data from these field devices
In today's process plants, there is a need for software systems to integrate and manage maintenance information from field instruments, monitor on-line conditions, and record historical data from these field devices Only by combining such functions with advanced diagnostics capabilities is it possible to transform the plant maintenance operation from corrective maintenance to predictive and proactive maintenance
This article was originally published on Processingtalk on 25 Jul 2008 at 8.00am (UK)
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The ideal plant management software system is one that enables users to remotely access devices that feature field communication capability - such as Foundation Fieldbus and HART-enabled instruments - and to perform centralised management of the parameters of those devices.
Such functions provide efficient management and maintenance of field devices and allow computerisation of maintenance data to streamline maintenance operations and achieve cost savings.
Information such as the names of flowmeters, valves, and other field instruments, parameter settings, inspection records, and instruction manuals can then be stored in a database, which the operator can easily access as necessary.
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This concept is now a reality in the form of Yokogawa Plant Resource Manager (PRM) R3: the world's first asset management package that incorporates and takes advantage of both FDT/DTM (Field Device Tool/Device Type Manager) and EDDL (Enhanced Device Descriptor Language) technologies.
PRM R3 incorporates a number of innovative features, including major enhancements and changes to the database system.
Whereas earlier (R2) systems used an Oracle database, the new system features SQL server database software 'bundled' as a PRM component.
The SQL database is installed as a part of the PRM package automatically, and upgrading to PRM R3 is straightforward as automatic conversion of the database is part of the installation.
DTM Works is supported as a frame for device setting and tuning.
DTM works can execute device type management for tuning and diagnosis provided from a device vendor, allowing the device vendor to specify the 'look and feel' of the device on the PRM system.
Support is also provided for PST (partial stroke test), providing the means to perform critical functions such as partial stroke testing on HART devices.
The system also offers the facility for data interchange with the Yokogawa FieldMate, a versatile device management wizard, which provides quick and easy device configuration.
In particular, the history of operations, such as parameter changes, made in FieldMate can be imported directly to the PRM system.
Advanced diagnostics include a device diagnostic 'data historian' function, in which some parameters needed for diagnosis are acquired automatically from field devices.
As a result, it becomes possible to enhance development of diagnostic algorithms by using accumulated data.
A general-purpose diagnostic tool (window) is also available to display data and threshold values (upper/lower limits), collected using the PRM advanced diagnostics application, in the form of a trend graph.
The new PRM system is fully scalable in the sense that it can provide a cost-effective solution to the monitoring and maintenance of as few as 25 devices while also being capable of handling as many as 20,000 devices in very large Fieldbus installations.
System expansion can take place in groups of 1000 device units incrementally, allowing users to expand their device capability to their own schedule.
These new enhancements are over and above the existing standard PRM features of maintenance alarm/process alert functions, custom user views, device security, device viewing with built-in trending and a graphical user interface supporting both EDDL and FDT/DTM implementations.
PRM is one of the key elements in the Yokogawa VigilantPlant concept, promising asset excellence to visionary plants and creating an environment where plant personnel can 'See Clearly, Know in Advance, and Act with Agility'.
This article was supplied by John van der Geer, Industrial Automation Marketing Manager for Yokogawa Europe, based in Amersfoort.
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