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Reference Manual
00809-0100-4772, Rev FA
Introduction
March 2016
Introduction
environments. The fieldbus environment is the base level group of digital networks in the
hierarchy of plant networks.
The fieldbus retains the desirable features of the 4–20 mA analog system, including a
standardized physical interface to the wire, bus-powered devices on a single pair of wires,
and intrinsic safety options. In addition, it enables the following capabilities:
Increased capabilities due to full digital communications
Reduced wiring and wire terminations due to multiple devices on one pair of wires
Increased selection of suppliers due to interoperability
Reduced loading on control room equipment with the distribution of some control
and input/output functions to field devices
Speed options for process control and manufacturing applications.
1.3 System description
The Rosemount 8800D Vortex Flowmeter with FOUNDATION fieldbus consists of a meter
body and transmitter. It measures volumetric flow rate by detecting the vortices created by
a fluid passing by the shedder bar.
The meter body is installed in-line with process piping. A sensor is located at the end of the
shedder bar and creates an alternating sine wave signal due to the passing vortices. The
transmitter measures the frequency of the signal and converts it into a flowrate.
This manual is designed to assist in the installation and operation of the flowmeter.
This product is intended to be used as a flowmeter for liquid, gas, or steam
applications. Any use other than for which it was intended may result in serious injury or
death.
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