Flowserve 400MD Logix - Manual (Page 10)

1 Logix 3400MD Digital Positioner Description
1.1 Introduction
This section is intended for users who have never worked with the Logix 3400MD digital positioner fieldbus positioner interface. It provides
some general information to acquaint the user with the Logix 3400MD digital positioner.
CAUTION: Flowserve recommends NI-FBUS Configurator software that runs on a variety of Personal Computer (PC) platforms using Windows
NT ™ , Windows XP ™ , Windows VISTA ™ or Windows 7 ™ . It is a bundled Windows software and PC-interface hardware solution that allows quick, error-free
configuration and diagnosis of Flowserve control products with FOUNDATION fieldbus communications. The NI-FBUS Configurator allows users to com-
municate with the Logix 3400MD digital positioner from a remote location to:
• Configure the Logix 3400MD digital positioner by selecting and setting operating parameters.
• Access diagnostic information to identify configuration, communication, Logix 3400MD digital positioner or process problems.
• Calibrate Logix 3400MD digital positioner.
• Request and display Logix 3400MD digital positioner data.
• Configure the Fieldbus network.
1.2 Fieldbus Logix 3400MD Digital Positioner
About the Logix 3400MD Digital Positioner
The Logix 3400MD digital positioner includes FOUNDATION fieldbus electronics for operating in a Fieldbus network as an H1 device. It features standard
fieldbus function blocks with manufacturer specific additions for enhanced operation. This Logix 3400MD digital positioner is a Link Master device, which
means it can function as the backup Link Active Scheduler in a fieldbus network.
In addition to providing the Fieldbus Interface the Logix 3400MD digital positioner can also perform loop control functions. In conjunction with other FOUN-
DATION fieldbus compliant devices, its func tion block set allows the formation of an extensive set of basic control applications.
Figure 1.1 Fieldbus Positioner (Logix 3400MD Digital Positioner)
The Logix 3400MD digital positioner in conjunction with any valve will, in essence, form a Fieldbus valve. When configured in conjunction with an Honey-
well ST3000 fieldbus transmitter (for example) a complete control loop can be configured. Figure 1.2 shows a block diagram of the Logix 3400MD digital
positioner digital positioner operating with other instrument
Logix 3400MD Digital Positioner LGENIM3405-02 11/13
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