Emerson Rosemount 975 Communications Manual
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Emerson Rosemount 975 Communications Manual

Flame detector
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Reference Manual
00809-0200-4975, Rev A
June 2017
™
Rosemount
975 Flame Detector
®
HART
Communication Manual

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yanming li
May 21, 2025

Dear sir: We want to purchase the below product. 975-UR-1A-6A-1-A1 Rosemount * 00975-9000-0001: Tilt Mount Kit * 00975-9000-0003: Weather Cover (Plastic) Qty: 01 Could you pls quote us the most competitive price ,weight, lead time，origin? Best Regards Emily Zhang

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Summary of Contents for Emerson Rosemount 975

  • Page 1 Reference Manual 00809-0200-4975, Rev A June 2017 ™ Rosemount 975 Flame Detector ® HART Communication Manual...

  • Page 3: Table Of Contents

    2Section 2: Product Overview 2.1 Rosemount 975 Flame Detector Product Overview ......3 3Section 3: HART Interconnection 3.1 Overview .
  • Page 4 Contents Reference Manual FGD-MAN-928-Wireless-Gas Monitor, Rev A June 2017 Contents...

  • Page 5: Using This Manual

    This manual is designed for use by system integrators and end users to compliment other documentation (for example, the user manual for your Rosemount 975 Flame Detector) by providing a complete, unambiguous description of the HART Host Application and Communication.
  • Page 6 Introduction Reference Manual 00809-0200-4975, Rev A June 2017 Introduction...

  • Page 7: Rosemount 975 Flame Detector Product Overview

    Rosemount 975 Flame Detector Product Overview ........
  • Page 8 Product Overview Reference Manual 00809-0200-4975, Rev A June 2017 Product Overview...

  • Page 9: Overview

    Multidrop mode ..............page 5 Overview The host connects to the Rosemount 975 Flame Detector through the two-wire 4-to-20mA current loop. Refer to the User Manual for your Rosemount 975 Flame Detector for connection details.
  • Page 10 HART Interconnection Reference Manual 00809-0200-4975, Rev A June 2017 HART Interconnection...

  • Page 11: Overview

    HART device. Note For full compliance with the HART Host application, install a Rosemount 975 Flame Detector Device Description on your computer. The Rosemount 975 Flame Detector Device Description enables presenting the HART menu in a graphical mode.
  • Page 12 HART Device Description Language Reference Manual 00809-0200-4975, Rev A June 2017 HART Device Description Language...

  • Page 13: Hart Menu Overview

    HART Menu Structure Reference Manual June 2017 00809-0200-4975, Rev A Section 5 HART Menu Structure HART menu overview ..............page 9 Root menu .

  • Page 14: Root Menu

    HART Menu Structure Reference Manual 00809-0200-4975, Rev A June 2017 Root menu When HART communication is established with the Rosemount 975 Flame Detector, the Root menu opens. Figure 5-2. .Root Menu Table 5-1. Root Menu Commands Manufacturer Rosemount, Inc. Read...

  • Page 15: Status Menu

    Table 5-2. Status Menu Commands 4-20 Value Displays the analog output of the Fire Detection Channel. Read Internal Displays the internal temperature of the Rosemount 975 Read Temperature Flame Detector in degrees Celsius. Input Voltage Displays the Rosemount 975 Flame Detector’s supply voltage.

  • Page 16: Device Setup Menu

    HART Menu Structure Reference Manual 00809-0200-4975, Rev A June 2017 Device setup menu Figure 5-4. Device Setup Menu Table 5-3. Device Setup Menu Commands Manufacturer Rosemount, Inc. Read Model Read Dev ID Device unique identification number Read Config. Changed The number of Device Configuration changes since the Read Counter manufacture.

  • Page 17: Hart Output Menu

    Reference Manual HART Menu Structure 00809-0200-4975, Rev A June 2017 HART output menu Figure 5-5. HART Output Menu Table 5-4. HART Output Menu Num. Req. Preams. HART-specific synchronization messages. Read Num. Resp. Preams. HART-specific synchronization messages. Read Universal Rev. HART protocol revision Read Fld.

  • Page 18: Hart Status Menu

    HART Menu Structure Reference Manual 00809-0200-4975, Rev A June 2017 HART status menu Figure 5-6. HART Status Menu Table 5-5. HART Status Menu Reset the Configuration Changed flag Clears the Configuration Changed bit Button HART Menu Structure...

  • Page 19: Field Device Status Description

    Field Device Status Description ............page 15 Field Device Status Description The following table contains the Rosemount 975 Flame Detector field device statuses and a description of each status.
  • Page 20 Reference Manual Field Device Status June 2017 00809-0200-4975, Rev A Field Device Status...
  • Page 22 Dubai, United Arab Emirates Sale page. +971 4 8118100 The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount and Rosemount logotype are trademarks of Emerson. +971 4 8865465 All other marks are the property of their respective owners.

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