爱默生控制器.doc

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爱默生控制器

Emerson controller Features ?? Secure, reliable and mission-critical control capability providing “bumpless” automatic failover between redundant controllers. ?? Diverse control capability using graphical control sheets combining modulating,sequential, sequence, and data acquisition. ?? One-step data acquisition functionality through the definition of the I/O data base. ?? Small footprint with low power requirements and fanless operation. ?? Native interfaces to Ovation and WDPF I/O,both local and remote. ?? Integrated virtual I/O capability for third-party OEM systems over Ethernet protocols. ?? Non-volatile storage of application software,point database, configuration information, and operating tuning constants. ?? Managed by a commercial, real-time operating system which supports multi-tasking and preemptive task scheduling to POSIX1003.1b open system standards. ?? Integrated sequence of events capability with 1 millisecond resolution. Ovation Controller Emerson Process Management’s Ovation expert control system incorporates a powerful controller for secure, mission-critical operations such as those of power and water plants. The Ovation Controller executes simple or complex modulating and sequential control strategies, performs data acquisition functions, and interfaces to the Ovation Network and various I/O sub-systems. It has the capability to originate up to 16,000 points. Process Applications The Ovation Controller is designed to meet the demanding requirements of a wide range of process applications. It performs numerous functions, including: ?? Continuous (PID) control ?? Boolean logic ?? Advanced Control ?? Special logic and timing functions ?? Data acquisition ?? Sequence of events processing ?? Cold junction compensation ?? Process point sensor/limit checking ?? Process point alarm processing ?? Process point conversion to engineering units ?? Process point database storage ?? Local and remote I/O interface ?? Process point tagout Standard Controller Fu

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