System 800xA Field Device Integration

System 800xA Field Device Integration (Figure 7) lowers life cycle costs through significant savings in the design, implementation, and operation of field equipment. The harnessing of untapped potential from the substantial installed base of HARTÆ devices conforms with the ARC Advisory Group analysis that: ìUsers can employ many of their HART field devices with new generation automation architectures, making the migration to a new Process Automation System more economical while increasing the availability of intelligent data that has long been underutilized.î

Digital information from HART devices is accessed by the System 800xA Fieldbus Management tools that physically connect to HART multiplexer units. These multiplexers receive HART device data by cable connections from standard Harmony Termination Units. ABBís HART solution supports device parameterization and remote monitoring of signal statuses and process variables as well as diagnostic information through use of device specific Device Type Managers (DTMs), which aresupplied by the respective device manufacturers. In addition, the tight integration of HART devices within Harmony enables improved device maintainability through asset monitoring and optimization. Foundation Fieldbus and Profibus interfaces are available through the AC 800M controller. For more details, refer to the System 800xA Field Device Integration Overview, 3BDD013081.

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