Flowserve 3400IQ Digital Positioner - Manual (Page 19)

Logix 3400IQ Digital Positioner FCD LGENIM3402-00 – 0/07
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2
Installation Overview
2.1 Introduction
About This Section
This section provides a list of components needed to install and operate the Logix 3400IQ digital
positioner. Also provided is a list of typical start-up tasks and places where the user can find detailed
information about performing the tasks.
2.2 Installation Components
Components Needed for Installation
The Logix 3400IQ digital positioner contains electronics that enable it to operate using the
FOUNDATION fieldbus protocol. This digital interface requires a number of components to provide
control and data communications between field devices and the control room environment. Table 2.1
outlines the basic component parts needed to install and operate the Logix 3400IQ digital positioner
on a fieldbus network.
Table 2.1 Components Required for Logix 3400IQ Digital Positioner Installation
Components Description
Logix 3400IQ Digital Positioner Fieldbus positioner.
Power supply Furnishes DC power to fieldbus devices.
Power conditioner Acts as a filter to prevent the power supply from
interfering with the fieldbus signaling. (May be part of
a fieldbus power supply.)
Fieldbus cable Twisted pair shielded wire used to interconnect
fieldbus devices.
Fieldbus terminators A signal termination device used to prevent
reflected signals (noise) from distorting fieldbus
communications.
Fieldbus IS Barriers (For hazardous area installations) Intrinsic safety wire barriers are required for
hazardous location installations.
Fieldbus wiring blocks Wiring blocks allowing easy connection of devices,
cable, terminators, surge suppressors and other
fieldbus network components.