Introduction; Overview; Product Description; Foundation Fieldbus - Honeywell XNX Technical Manual

Introduction

Overview

This manual will assist the user in installing, operating, and maintaining
the XNX Universal transmitter with the Foundation Fieldbus
communication option. It is assumed that the user has a thorough
understanding of operating principals for Foundation Fieldbus protocol,
the XNX Universal transmitters, as well as the specific host control
system in use . Users should contact the host system vendor directly for
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configuration questions specific to their systems. Users should review the
XNX Universal Transmitter Technical Manual prior to reading this manual.

Product Description

Foundation Fieldbus is one of three communication options availalble for
the XNX Universal Transmitter. The Foundation Fieldbus option is a fully
digital communication protocol conforming to the standards of Fieldbus
Foundation. This enables the unit to interface with host control systems
offered by manufacturers conforming to Foundation Fieldbus operating
standards. As this type of control system platform utilizes a plant-wide
communication "bus" network, wiring is accomplished by connecting to
the network at any point near the process.

Foundation Fieldbus

Foundation Fieldbus is used in process control and monitoring. Process
control refers to the monitoring and regulation of continuous processes
such as flow, temperature, or tank levels. These types of processes are
typically found in places like oil refineries, chemical plants, and paper
mills.
Foundation Fieldbus can also be used for monitoring over long distances
through distributed control, which means that control is performed by the
devices instead of by a monitoring computer. Input, output, and process
control devices configured on a Fieldbus network can run independently
of a computer system.
Foundation Fieldbus is an all-digital, two-way, multi-drop communication
system which brings control algorithms to gas detection instrumentation.
Foundation Fieldbus supports digital encoding of data and many types of
messages. Unlike many traditional systems, which require a set of wires
for each device, multiple Foundation Fieldbus devices can be connected
with a single set of wires. Foundation Fieldbus overcomes some of the
disadvantages of proprietary networks by providing a standardized
network for connecting systems and devices.
1 Illustrations in this manual were made with a Honeywell Experion host controller. Other
host controllers are available.
XNX Foundation Fieldbus Technical Manual
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