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Emerson Process Management ControlWave XFC User Manual

Page 37

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CI-ControlWave XFC

Product Features & Overview / 1A-3

Briefly, this library includes function blocks for:

• Average, Compare, Totalize

• Scheduling & Sequencing

• PID & Lead/Lag

• AGA gas flow and liquids calculations
• File

handling


In addition, ControlWave ensures data integrity, in the event of a communication
interruption, by storing critical time-stamped alarm and historical data in the controller
memory. This data is then securely retrieved when communication is restored.

1A.3 STANDARD APPLICATION PROGRAM


ControlWave XFC can come with or without a base, application program that satisfies API
21.1 requirements for a meter station using up to two meter runs. Using ControlWave
Designer, the user can readily modify this load to add or subtract functions, increase the
number of runs, etc.

Overview of the base, application load:

• Uses pre-configured web pages for user readings, configuration and maintenance-web

pages can be modified and new pages configured to work with a modified application
load

• Application load is object oriented
• Standard configuration is a one-run station
• Each run can be orifice, turbine or ultrasonic meter type
• Flow calculations include the following:

• AGA3-1985/NX-19
• AGA3-1992 with selectable AGA8 Gross or AGA8 Detail

• AGA7/NX-19
• AGA7 with selectable AGA8 Gross or AGA8 Detail
• Auto Adjust AGA7/NX-19
• Auto Adjust AGA7 with selectable AGA8 Gross or AGA8 Detail
• Instromet Modbus AGA7 with selectable AGA8 Gross or AGA8 Detail
• Daniel Modbus AGA7 with selectable AGA8 Gross or AGA8 Detail
• Includes run switching
• Includes an auto-selector, PID flow/pressure control algorithm per run or per station
• Interfaces to a chromatograph and provides energy throughput as well as

composition information

• Resides on a BSAP SCADA network

• Supports samplers and odorizers
• Provides audit trail and archives
• Includes a nominations function
• Allows the user to select engineering units, including English and metric

1A.3.1 OpenBSI - Simply Creative


OpenBSI (Open Bristol System Interface) is a set of network setup, communication
diagnostic, and data viewing utilities that provide access to both ControlWave and
Network 3000 controllers and RTUs. OpenBSI is the only product available in the industry
to bring such unique functionality and ease of use to the network level. At the core is the
communication interface, written as a Windows communication server API through which