Emerson Rosemount Foundation 8750W Reference Manual
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Emerson Rosemount Foundation 8750W Reference Manual

Emerson Rosemount Foundation 8750W Reference Manual

Transmitter with fieldbus protocol
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Reference manual
00809-0500-4750, Rev AA
May 2019
™
Rosemount
8750W Transmitter with
™
F
Fieldbus Protocol
OUNDATION

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Summary of Contents for Emerson Rosemount Foundation 8750W

  • Page 1 Reference manual 00809-0500-4750, Rev AA May 2019 ™ Rosemount 8750W Transmitter with ™ Fieldbus Protocol OUNDATION...

  • Page 3: Table Of Contents

    Reference manual Contents 00809-0500-4750 May 2019 Contents Chapter 1 Safety messages......................7 Chapter 2 Introduction.........................11 2.1 System description......................... 11 2.2 Product recycling/disposal......................12 Chapter 3 Sensor Installation....................... 13 3.1 Handling and Lifting Safety......................13 3.2 Location and Position........................13 3.3 Sensor installation ......................... 16 3.4 Process reference connection......................20 Chapter 4 Remote Transmitter Installation...................25...
  • Page 4 Contents Reference manual May 2019 00809-0500-4750 8.7 Coated electrode detection......................91 ™ 8.8 SMART Meter Verification......................92 8.9 Run manual SMART Meter Verification................... 95 8.10 Continuous SMART Meter Verification..................97 8.11 SMART Meter Verification test results...................97 8.12 SMART Meter Verification measurements..................98 8.13 Optimizing the SMART Meter Verification.................. 100 Chapter 9 Digital Signal Processing....................
  • Page 5 Reference manual Contents 00809-0500-4750 May 2019 Appendix D Resource block......................177 Appendix E Analog Input (AI) Function Block................187 Reference manual...
  • Page 6 Contents Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 7: Chapter 1 Safety Messages

    The products described in this document are NOT designed for nuclear-qualified applications. Using non-nuclear qualified products in applications that require nuclear-qualified hardware or products may cause inaccurate readings. For information on Emerson nuclear-qualified products, contact your local sales representative. Reference manual...
  • Page 8 Safety messages Reference manual May 2019 00809-0500-4750 WARNING Explosion hazards. Failure to follow these instructions could cause an explosion, resulting in death or serious injury. • If installed in explosive atmospheres (hazardous areas, classified areas, or an “Ex” environment), it must be assured that the device certification and installation techniques are suitable for that particular environment.
  • Page 9 Reference manual Safety messages 00809-0500-4750 May 2019 • The sensor liner is vulnerable to handling damage. Never place anything through the sensor for the purpose of lifting or gaining leverage. Liner damage may render the sensor inoperable. • Metallic or spiral-wound gaskets should not be used as they will damage the liner face of the sensor.
  • Page 10 Safety messages Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 11: Chapter 2 Introduction

    Reference manual Introduction 00809-0500-4750 May 2019 Introduction System description The flowmeter consists of a sensor and a transmitter. The sensor is installed in-line with the process piping; the transmitter can be integrally mounted to the sensor or remotely mounted away from the sensor. Figure 2-1: Intergral field mount transmitter Figure 2-2: Remote field mount transmitter Figure 2-3: Wall mount transmitter...

  • Page 12: Product Recycling/Disposal

    Introduction Reference manual May 2019 00809-0500-4750 Figure 2-4: Sensor cross section A. Electrode B. Coils Product recycling/disposal Recycling of equipment and packaging should be taken into consideration and disposed of in accordance with local and national legislation/regulations. ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 13: Chapter 3 Sensor Installation

    Reference manual Sensor Installation 00809-0500-4750 May 2019 Sensor Installation Related information Remote Transmitter Installation Handling and Lifting Safety CAUTION To reduce the risk of personal injury or damage to equipment, follow all lifting and handling instructions. • Handle all parts carefully to prevent damage. Whenever possible, transport the system to the installation site in the original shipping container.
  • Page 14 Sensor Installation Reference manual May 2019 00809-0500-4750 Remote mounted transmitters may be installed in the control room to protect the electronics from the harsh environment and to provide easy access for configuration or service. 3.2.2 Upstream and downstream piping To ensure specified accuracy over widely varying process conditions, install the sensor with a minimum of five straight pipe diameters upstream and two pipe diameters downstream from the electrode plane.
  • Page 15 Reference manual Sensor Installation 00809-0500-4750 May 2019 3.2.4 Sensor piping location and orientation The sensor should be installed in a location that ensures it remains full during operation. Depending on where it is installed, orientation must also be considered. • Vertical installation with upward process fluid flow keeps the cross-sectional area full, regardless of flow rate.

  • Page 16: Sensor Installation

    Sensor Installation Reference manual May 2019 00809-0500-4750 Figure 3-4: Electrode orientation A. Correct orientation B. Incorrect orientation The sensor may require a specific orientation to comply with Hazardous Area T-code rating. Refer to the appropriate reference manual for any potential restrictions. Sensor installation Gaskets The sensor requires a gasket at each process connection.
  • Page 17 Reference manual Sensor Installation 00809-0500-4750 May 2019 Figure 3-5: Gasket placement for flanged sensors A. Grounding ring and gasket (optional) B. Customer-supplied gasket Bolts Note Do not bolt one side at a time. Tighten both sides simultaneously. Example: 1. Snug upstream 2.
  • Page 18 Sensor Installation Reference manual May 2019 00809-0500-4750 Figure 3-6: Flange bolt torquing sequence Prior to installation, identify the lining material of the flow sensor to ensure the suggested torque values are applied. Table 3-1: Lining material Fluoropolymer liners Non-fluoropolymer liners T - PTFE P - Polyurethane Table 3-2: Suggested flange bolt torque values for Rosemount 8750W (ASME)
  • Page 19 Reference manual Sensor Installation 00809-0500-4750 May 2019 Table 3-3: Suggested flange bolt torque values for Rosemount 8750W sensors with fluoropolymer liners (EN 1092-1) Size Line size Fluoropolymer liners (in Newton-meters) code PN 10 PN 16 PN 25 PN 40 0.5 inch (15 mm) 1 inch (25 mm) 1.5 inch (40 mm) 2 inch (50 mm)

  • Page 20: Process Reference Connection

    Sensor Installation Reference manual May 2019 00809-0500-4750 Table 3-4: Suggested flange bolt torque values for Rosemount 8750W sensors with non-fluoropolymer liners (EN 1092-1) (continued) Size Line size Non-fluoropolymer liners (in Newton-meters) code PN 10 PN 16 PN 25 PN 40 10 inch (250 mm) 12 inch (300 mm) 14 inch (350 mm)
  • Page 21 Reference manual Sensor Installation 00809-0500-4750 May 2019 Table 3-7: Process reference options Type of pipe Grounding Grounding rings Reference Lining protectors straps electrode Conductive Figure 3-7 Figure 3-8 Figure 3-10 Figure 3-8 unlined pipe Conductive lined Insufficient Figure 3-8 Figure 3-7 Figure 3-8 pipe grounding...
  • Page 22 Sensor Installation Reference manual May 2019 00809-0500-4750 Figure 3-8: Grounding with grounding rings or lining protectors in conductive pipe A. Grounding rings or lining protectors Figure 3-9: Grounding with grounding rings or lining protectors in non-conductive pipe A. Grounding rings or lining protectors ™...
  • Page 23 Reference manual Sensor Installation 00809-0500-4750 May 2019 Figure 3-10: Grounding with reference electrode in conductive unlined pipe Figure 3-11: Grounding for line sizes 10-in. and larger Reference manual...
  • Page 24 Sensor Installation Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 25: Remote Transmitter Installation

    Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Remote Transmitter Installation This chapter provides instructions for installing and wiring a remotely mounted transmitter. Related information Sensor Installation Pre-installation Before installing the transmitter, there are several pre-installation steps that should be completed to make the installation process easier: •...
  • Page 26 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 Figure 4-1: Field mount transmitter dimensional drawing 7.49 [190,0] 6.48 1.94 [164,6] [49,0] 3.00 [128] [76,2] 8.81 [224,0] 10.5 [130] 3.07 [78,0] 2.71 [128] [76,2] 11.02 [280.0] 6.48 [164,6] 5.82 [148,0] 2.71 1.97 [68,8] [50,0]...
  • Page 27 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Figure 4-2: Wall mount transmitter dimensional drawing [229] 3.12 3.51 2.81 [79] [89] [71] 12.03 [306] 11.15 [283] 17.68 [449] 11.36 1.70 1.94 1.94 [289] [49] [43] [49] 1.59 [40] 3.90 7.80 [99] [198] A.

  • Page 28: Transmitter Symbols

    Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 Electrical considerations Before making any electrical connections to the transmitter, consider national, local, and plant electrical installation requirements. Be sure to have the proper power supply, conduit, and other accessories necessary to comply with these standards. The transmitter requires external power.
  • Page 29 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Figure 4-3: Rosemount 8750W field mount transmitter mounting hardware A. U-bolt B. Mounting bracket C. Transmitter D. Fasteners (example configuration) Figure 4-4: Rosemount 8750W wall mount transmitter mounting hardware A. U-bolt B. Saddle clamp C.

  • Page 30: Wiring

    Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 1. Assemble the hardware as needed to accommodate the mounting configuration. 2. Secure the transmitter to the mounting hardware. For field mount style transmitters, the LOI/Display can be rotated in 90 degree increments up to 180 degrees if desired.
  • Page 31 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Figure 4-5: Best practice conduit preparation (field mount) A. Power B. Output C. Coil D. Electrode E. Safety ground Reference manual...
  • Page 32 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 Figure 4-6: Best practice conduit preparation (wall mount) A. Safety ground B. Power C. Coil D. Output E. Electrode 4.4.3 Sensor to transmitter wiring Integral mount transmitters Integral mount transmitters ordered with a sensor will be shipped assembled and wired at the factory using an interconnecting cable.
  • Page 33 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Remote mount transmitters Cable kits are available as individual component cables or as a combination coil/electrode cable. Remote cables can be ordered directly using the kit numbers shown in Table 4-3, Table 4-4, and Table 4-5.
  • Page 34 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 Table 4-5: Combination cable kits - coil and electrode cable (-20°C to 80°C) Cable kit # Description 08732-0065-2001 (feet) Kit, Combination Cable, Standard 08732-0065-2002 (meters) 08732-0065-3001 (feet) Kit, Combination Cable, Submersible (80°C dry/60°C Wet) 08732-0065-3002 (meters) (33ft Continuous) Cable requirements...
  • Page 35 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Figure 4-8: Individual component cables 17 18 19 A. Coil drive B. Electrode C. Twisted, stranded, insulated 14 AWG conductors D. Drain E. Overlapping foil shield F. Outer jacket G. Twisted, stranded, insulated 20 AWG conductors •...
  • Page 36 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 Figure 4-9: Combination coil and electrode cable A. Electrode shield drain B. Overlapping foil shield C. Outer jacket • 1 = Red • 2 = Blue • 3 = Drain • 17 = Reference •...
  • Page 37 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Figure 4-10: Cable ends A. Coil B. Electrode C. Combination D. Unshielded length WARNING Shock hazard! Potential shock hazard across remote junction box terminals 1 and 2 (40V). WARNING Explosion hazard! Electrodes exposed to process. Use only compatible transmitter and approved installation practices.
  • Page 38 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 Figure 4-12: Remote junction box views (wall mount) A. Sensor B. Transmitter Table 4-6: Sensor/transmitter wiring Wire color Sensor terminal Transmitter terminal Blue Coil drain 3 or float Black Yellow White Electrode drain or float Note For hazardous locations, refer to...
  • Page 39 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 4.4.4 Installation and wiring drawings Reference manual...
  • Page 40 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...
  • Page 41 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Reference manual...
  • Page 42 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...
  • Page 43 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 4.4.5 Power and fieldbus terminal blocks (field mount) Remove the back cover of the transmitter to access the terminal block. Note To connect pulse output, see Connect pulse output. Figure 4-13: Terminal blocks (field mount) A.
  • Page 44 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 Figure 4-14: Terminal blocks (wall mount) 9 10 19 18 11 12 Table 4-8: Power and fieldbus terminals (wall mount transmitter) Terminal number AC version DC version Coil Positive Coil Positive Coil Negative Coil Negative Coil Shield Coil Shield...
  • Page 45 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 4.4.7 Powering the transmitter Before connecting power to the transmitter, be sure to have the necessary electrical supplies and required power source: • The AC powered transmitter requires 90–250V AC (50/60Hz). • The DC powered transmitter requires 12–42V DC.
  • Page 46 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 DC power supply requirements Standard DC units powered by 12VDC power supply may draw up to 1.2A of current steady state. Peak inrush is 42A at 42VDC supply, lasting approximately 1ms. Inrush for other supply voltages can be estimated with: Inrush (Amps) = Supply (Volts) / 1.0 Figure 4-17: DC current requirements A.
  • Page 47 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 • Connect AC Neutral to terminal 9 (AC N/L2) and AC Line to terminal 10 (AC/L1). For DC powered transmitter: • Connect negative to terminal 9 (DC -) and positive to terminal 10 (DC +). •...
  • Page 48 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 4.4.8 Fieldbus wiring Transmitter communication input The F fieldbus communication requires a minimum of 9VDC and a maximum of OUNDATION 32VDC at the transmitter communication terminals. Do not exceed 32VDC at the transmitter communication terminals.
  • Page 49 Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Figure 4-18: Power connections A. Power conditioner B. Terminators C. Fieldbus segment D. Power supply E. Trunk F. Spurs G. Control room H. F fieldbus host OUNDATION I. Devices 1 through 11 Transmitter wiring connection •...
  • Page 50 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 Figure 4-19: Fieldbus wiring (field mount) A. Fieldbus terminal (2) B. Fieldbus terminal (1) Figure 4-20: Fieldbus wiring (wall mount) A. Fieldbus terminal (7) D0 / A B. Fieldbus terminal (8) D1 / B ™...

  • Page 51: Cover Jam Screw

    Reference manual Remote Transmitter Installation 00809-0500-4750 May 2019 Cover jam screw For flow meters shipped with a cover jam screw, the screw should be installed after the instrument has been wired and powered up. Follow these steps to install the cover jam screw: 1.
  • Page 52 Remote Transmitter Installation Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 53: Chapter 5 Basic Configuration

    Reference manual Basic Configuration 00809-0500-4750 May 2019 Basic Configuration Once the magnetic flowmeter is installed and power has been supplied, the transmitter basic setup parameters must be configured with a F fieldbus host (See OUNDATION Communication methods). Configuration settings are saved in nonvolatile memory within the transmitter.
  • Page 54 Basic Configuration Reference manual May 2019 00809-0500-4750 • Change the physical device tag to a new value. • Change the address to a new address. When the transmitter is at a temporary address, only the physical device tag and address can be changed or written to.

  • Page 55: Basic Setup

    Reference manual Basic Configuration 00809-0500-4750 May 2019 Basic Setup Descriptive tag Enhanced FF host Configure > Device Information > Description Basic FF host TB > TAG_DESC (OD Index 2) The descriptive tag fieldbus parameter permits you to assign a 32 character identifier to a transmitter to distinguish it from others in your system.
  • Page 56 Basic Configuration Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 57: Advanced Installation Details

    Reference manual Advanced installation details 00809-0500-4750 May 2019 Advanced installation details Hardware switches The electronics are equipped with two user-selectable hardware switches. These switches set the Transmitter Security and Simulate Enable. 6.1.1 Transmitter security The SECURITY switch allows the user to lock out any configuration changes attempted on the transmitter.
  • Page 58 Advanced installation details Reference manual May 2019 00809-0500-4750 Figure 6-1: Electronics Stack and Hardware Switches 1. Place the control loop into manual control. 2. Disconnect power to the transmitter 3. Remove the electronics compartment cover. If the cover has a cover jam screw, this must be loosened prior to removal of the cover.
  • Page 59 Reference manual Advanced installation details 00809-0500-4750 May 2019 Figure 6-2: Electronics stack and hardware switches 1. Place the control loop into manual control. 2. Disconnect power to the transmitter 3. Open the electronics compartment cover. 4. Identify the location of each switch (see Figure 6-2 5.

  • Page 60: Connect Pulse Output

    Advanced installation details Reference manual May 2019 00809-0500-4750 Connect pulse output The pulse output function provides a galvanically isolated frequency signal that is proportional to the flow through the sensor. The signal is typically used in conjunction with an external totalizer or control system. The transmitter supports a pulse output with an external power supply that meets the following requirements: •...
  • Page 61 Reference manual Advanced installation details 00809-0500-4750 May 2019 Figure 6-3: 5 VDC Supply A. Resistance (Ω) B. Cable length (feet) At 5000 Hz operation with a 5 VDC supply, pull-up resistances of 200 to 1000 Ohms allow cable lengths up to 660 ft (200 m). Figure 6-4: 12 VDC Supply A.
  • Page 62 Advanced installation details Reference manual May 2019 00809-0500-4750 Figure 6-5: 24 VDC Supply A. Resistance (Ω) B. Cable length (feet) At 5000 Hz operation with a 24 VDC supply, pull-up resistances of 1000 to 10,000 Ohms allow cable lengths up to 660 ft (200 m). Resistances from 1000 to 2500 Ohms allow a cable length of 1000 ft (330 m).
  • Page 63 Reference manual Advanced installation details 00809-0500-4750 May 2019 Figure 6-6: Connecting an electromechanical totalizer/counter with external power supply (field mount) A. Schematic showing FET between terminal 3 and 4 B. 5–24 VDC power supply C. Electro-mechanical counter Figure 6-7: Connecting an electromechanical totalizer/counter with external power supply (wall mount) A.
  • Page 64 Advanced installation details Reference manual May 2019 00809-0500-4750 Figure 6-8: Connecting to an electronic totalizer/counter with external power supply (field mount) A. Schematic showing FET between terminal 3 and 4 B. Electronic counter C. 5–24 VDC power supply ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol...

  • Page 65: Coil Housing Configuration

    Reference manual Advanced installation details 00809-0500-4750 May 2019 Figure 6-9: Connecting to an electronic totalizer/counter with external power supply (wall mount) A. Schematic showing FET between terminal 5 and 6 B. Electronic counter C. 5–24 VDC power supply 1. Ensure the power source and connecting cable meet the requirements outlined previously.
  • Page 66 Advanced installation details Reference manual May 2019 00809-0500-4750 6.3.1 Standard coil housing configuration The standard coil housing configuration is a factory sealed all-welded enclosure and is available for the following models (see Figure 6-10): • 8705 with option code M0 - 8705xxxxxxxxM0 •...
  • Page 67 Reference manual Advanced installation details 00809-0500-4750 May 2019 Figure 6-11: 8705 with M1 Coil Housing Configuration and PRV С A. Conduit connection B. M6 threaded pressure relief port with removable cap screw C. Optional: Use relief port to plumb to safe area (supplied by user). 6.3.3 Process leak containment (Option M2 or M4) The 8705 is available with process leak containment.
  • Page 68 Advanced installation details Reference manual May 2019 00809-0500-4750 Figure 6-12: 8705 with M2 Coil Housing Configuration A. 2x fused glass seal B. 2x sealed electrode compartment Figure 6-13: 8705 with M4 Coil Housing Configuration С A. 2x fused glass seal B.
  • Page 69 Reference manual Advanced installation details 00809-0500-4750 May 2019 electrode compartments that include access covers. The M3 configuration is available on the 8705 only. • 8705 with option code M3 - 8705xxxxxxxxM3 This configuration divides the coil housing into separate compartments, one for each electrode and one for the coils.
  • Page 70 Advanced installation details Reference manual May 2019 00809-0500-4750 sensor reliability, and sensor longevity can be improved with careful attention to proper insulation. 1. In applications where process fluid permeation of the liner has been observed or may be expected, the rate of permeation can be reduced by decreasing the temperature gradient between the process fluid and the outside of the meter body.
  • Page 71 Reference manual Advanced installation details 00809-0500-4750 May 2019 Figure 6-15: Insulating a Rosemount Magnetic Flowmeter for Safety/Plant Standards A. Process piping B. Coil housing C. Insulation Reference manual...
  • Page 72 Advanced installation details Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 73: Advanced Configuration Functionality

    Reference manual Advanced Configuration Functionality 00809-0500-4750 May 2019 Advanced Configuration Functionality Introduction The transmitter features a full range of software functions, transmitter configurations, and diagnostic settings. These features can be accessed and configured using a basic or enhanced FF host. Configure outputs 7.2.1 Pulse output...
  • Page 74 Advanced Configuration Functionality Reference manual May 2019 00809-0500-4750 When selecting pulse output scaling, the maximum pulse rate is 5000 Hz. With the 10 percent over range capability, the absolute limit is 5500 Hz. For example, if you want the transmitter to pulse every time 0.01 gallons pass through the sensor, and the flow rate is 5000 gal/min, you will exceed the 5000 Hz full-scale limit: 5000 gal 1 min...
  • Page 75 Reference manual Advanced Configuration Functionality 00809-0500-4750 May 2019 Table 7-3: Pulse factor other units (continued) Fieldbus unit code Units 1010 Meters Pulse width Enhanced FF host Pulse Output > Pulse Width Basic FF host TB > PULSE CONFIGURATION (OD Index #38) PULSE_WIDTH The factory default pulse width is 0.5 ms.
  • Page 76 Advanced Configuration Functionality Reference manual May 2019 00809-0500-4750 To achieve the greatest maximum frequency output, set the pulse width to the lowest value that is consistent with the requirements of the pulse output power source, pulse driven external totalizer, or other peripheral equipment. The maximum flow rate is 10,000 gpm.
  • Page 77 Reference manual Advanced Configuration Functionality 00809-0500-4750 May 2019 Fixed frequency test mode generates a constant, fixed-frequency pulse output. This can be useful for testing frequency input devices or control loop configurations. Table 7-4: Fixed frequency test mode Fixed frequency parameter Mode value Fixed frequency test mode disabled...
  • Page 78 Advanced Configuration Functionality Reference manual May 2019 00809-0500-4750 Start, stop, reset all totalizers Totalizers Control > Start/Stop Totalizers Enhanced FF host Totalizers Control > Reset All Totals Basic FF host See below. Totalizer funtion Fieldbus parameter (Index #) Parameter value TOTALIZER CONTROL: Start all totalizers ENABLE_ALL (Index #42)
  • Page 79 Reference manual Advanced Configuration Functionality 00809-0500-4750 May 2019 Table 7-5: Volume units Fieldbus unit code Units 1048 US Gallons 1038 Liters 1049 Imperial gallons 1034 Cubic meters 1051 Barrels (42 gallons) 1042 Cubic feet 1036 Cubic centimeters 1052 Barrels (31 gallons) Table 7-6: Mass units Fieldbus unit code Units...

  • Page 80: Configure Loi/Display

    Advanced Configuration Functionality Reference manual May 2019 00809-0500-4750 TB > TOTAL_A_CONFIG (OD Index #43) Basic FF host TB > TOTAL_B_CONFIG (OD Index #44) TB > TOTAL_C_CONFIG (OD Index #45) RESET Independently reset the totalizers. This requires the reset option to be configured as resettable.

  • Page 81: Signal Processing

    Reference manual Advanced Configuration Functionality 00809-0500-4750 May 2019 Table 7-8: Basic FF host languages Parameter value Language English Spanish German French Portuguese 7.3.3 Backlight control Display Setup > Backlight Enhanced FF host Basic FF host TB > LOI_CONFIGURATION (OD Index #53) BACKLIGHT The LOI/Display backlight paramter determines whether or not the backlight is always on or always off.
  • Page 82 Advanced Configuration Functionality Reference manual May 2019 00809-0500-4750 Primary variable damping allows selection of a response time, in seconds, to a step change in flow rate. It is most often used to smooth fluctuations in output. 7.4.2 Process density Enhanced FF host Signal Processing >...
  • Page 83 Reference manual Advanced Configuration Functionality 00809-0500-4750 May 2019 Table 7-11: REVERSE_FLOW parameter Parameter value Operating mode Reverse flow disabled (default) Reverse flow enabled 7.4.5 Coil drive frequency Enhanced FF host Signal Processing > Coil drive > Coil Drive Frequency Basic FF host TB >...
  • Page 84 Advanced Configuration Functionality Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 85: Advanced Diagnostics Configuration

    Reference manual Advanced Diagnostics Configuration 00809-0500-4750 May 2019 Advanced Diagnostics Configuration Introduction Rosemount magnetic flowmeters provide device diagnostics that detect and warn of abnormal situations throughout the life of the meter—from installation to maintenance and meter verification. With Rosemount magnetic flowmeter diagnostics enabled, plant availability and throughput can be improved, and costs through simplified installation, maintenance and troubleshooting can be reduced.

  • Page 86: Licensing And Enabling

    Advanced Diagnostics Configuration Reference manual May 2019 00809-0500-4750 Licensing and enabling All advanced diagnostics are licensed by ordering option code DA1, DA2, or both. In the event that a diagnostic option is not ordered, advanced diagnostics can be licensed in the field through the use of a license key.

  • Page 87: Tunable Empty Pipe Detection

    Reference manual Advanced Diagnostics Configuration 00809-0500-4750 May 2019 Table 8-3: DIAGNOSTIC_HANDLING parameter (continued) Diagnostic function High process noise Grounding/wiring fault Electronics temperature out of range Electrode coating Tunable empty pipe detection The tunable empty pipe detection provides a means of minimizing issues and false readings when the pipe is empty.

  • Page 88: Electronics Temperature

    Advanced Diagnostics Configuration Reference manual May 2019 00809-0500-4750 Empty pipe trigger level is the threshold limit that the empty pipe value must exceed before the empty pipe diagnostic alert activates. The default setting from the factory is 100. Empty pipe (EP) counts Enhanced FF host Diagnostics >...

  • Page 89: Ground/Wiring Fault Detection

    Reference manual Advanced Diagnostics Configuration 00809-0500-4750 May 2019 8.4.1 Turning electronics temperature on/off Diagnostics > Enabled Diagnostics > Electronics Temperature Enhanced FF host Out of Range Basic FF host Enabling the diagnostics. The electronics temperature diagnostic can be turned on or off as required by the application.The electronics temperature diagnostic will be turned on by default.

  • Page 90: High Process Noise Detection

    Advanced Diagnostics Configuration Reference manual May 2019 00809-0500-4750 8.5.2 Ground/wiring fault parameters The ground/wiring fault detection diagnostic has one read-only parameter. It does not have any configurable parameters. Line noise Diagnostics > Ground/Wiring Fault Detection > Line Noise Enhanced FF host TB >...

  • Page 91: Coated Electrode Detection

    Reference manual Advanced Diagnostics Configuration 00809-0500-4750 May 2019 This parameter shows the value of the signal to noise ratio at the coil drive frequency of 5 Hz. This is a read-only value. This number is a measure of the signal strength at 5 Hz relative to the amount of process noise.

  • Page 92: Smart ™ Meter Verification

    Advanced Diagnostics Configuration Reference manual May 2019 00809-0500-4750 Electrode coating (EC) value Diagnostics > Electrode Coating > Electrode Coating Value Enhanced FF host TB > ELECTRODE_COATING > CURRENT_VALUE (OD Index #47) Basic FF host The electrode coating value reads the value of the coated electrode detection diagnostic. Electrode coating (EC) level 1 limit Enhanced FF host Diagnostics >...
  • Page 93 Reference manual Advanced Diagnostics Configuration 00809-0500-4750 May 2019 run continuously in the background during normal operation, or it can be manually initiated as required by the application. 8.8.1 Sensor baseline (signature) parameters The SMART Meter Verification diagnostic functions by taking a baseline sensor signature and then comparing measurements taken during the verification test to these baseline results.
  • Page 94 Advanced Diagnostics Configuration Reference manual May 2019 00809-0500-4750 TB > PERFORM_REFINGERPRINT_FLOWTUBE (OD Index #110) Basic FF host Having the transmitter take an initial sensor baseline when first installed will provide the comparison point for the verification tests that are done in the future. The sensor baseline should be taken during the start-up process when the transmitter is first connected to the sensor, with a full line, and ideally with no flow in the line.

  • Page 95: Run Manual Smart Meter Verification

    Reference manual Advanced Diagnostics Configuration 00809-0500-4750 May 2019 Empty pipe limit Enhanced FF host Meter Verification > Manual Meter Verification Limits > Empty Pipe Basic FF host TB > METER_VERIF_EP_LIM (OD Index #106) Set the test criteria for the empty pipe condition. The factory default for this value is set to five percent with limits configurable between one and ten percent.
  • Page 96 Advanced Diagnostics Configuration Reference manual May 2019 00809-0500-4750 the process flow in applications when a shutdown is not possible. Running the diagnostic under flowing conditions can cause a false test failure if there is significant process noise present. Empty Run the SMART Meter Verification test with an empty pipe. Running the pipe SMART Meter Verification test under this condition provides the ability to verify the magnetic flowmeter health with an empty pipe.

  • Page 97: Continuous Smart Meter Verification

    Reference manual Advanced Diagnostics Configuration 00809-0500-4750 May 2019 8.10 Continuous SMART Meter Verification Continuous SMART Meter Verification can be used to monitor and verify the health of the flowmeter system. The continuous SMART Meter Verification will not report results until 30 minutes after powering up to ensure the system is stable and to avoid false failures.

  • Page 98: Smart Meter Verification Measurements

    Advanced Diagnostics Configuration Reference manual May 2019 00809-0500-4750 Table 8-4: Manual Smart Meter Verification Test Parameters Transducer block parameter name Index number(s) METER_VERIF_TEST_SCOPE METER_VERIF_TEST_COND_IN METER_VERIF_TEST_COND_OUT METER_VERIF_CRITERIA METER_VERIF_RESULT COIL_RESIST_RESULT COIL_INDUCT_RESULT ELECT_RESIST_RESULT INT_SIM_RESULT INT_SIM_DEVIATION Table 8-5: Continuous SMART Meter Verification Test Parameters Parameter Index number(s) CONT_METER_VERIFY_ LIMIT...
  • Page 99 Reference manual Advanced Diagnostics Configuration 00809-0500-4750 May 2019 The coil circuit resistance is a measurement of the coil circuit health. This value is compared to the coil circuit resistance signature measurement taken during the sensor baseline process to determine coil circuit health. This value can be continuously monitored using continuous SMART Meter Verification.

  • Page 100: Optimizing The Smart Meter Verification

    Advanced Diagnostics Configuration Reference manual May 2019 00809-0500-4750 verification test. This value can be continuously monitored using continuous SMART Meter Verification. 8.13 Optimizing the SMART Meter Verification The SMART Meter Verification diagnostic can be optimized by setting the test criteria to the desired levels necessary to meet the compliance requirements of the application.
  • Page 101 Reference manual Advanced Diagnostics Configuration 00809-0500-4750 May 2019 Manual Calibration Verification Results Report parameters Calibration Conditions: ❑ Internal ❑ External User Name: _______________________________________ ______ Test Conditions: ❑ Flowing ❑ No Flow, Full Pipe ❑ Empty Pipe #:_____________________________________ _____________ Flowmeter information and configuration Software Tag: Calibration Number: Line Size:...
  • Page 102 Advanced Diagnostics Configuration Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 103: Digital Signal Processing

    Reference manual Digital Signal Processing 00809-0500-4750 May 2019 Digital Signal Processing Introduction Magmeters are used in applications that can create noisy flow readings. The transmitter has the capability to deal with difficult applications that have previously manifested themselves in a noisy output signal. In addition to selecting a higher coil drive frequency (37 Hz vs.

  • Page 104: Optimizing Flow Reading In Noisy Applications

    Digital Signal Processing Reference manual May 2019 00809-0500-4750 Optimizing flow reading in noisy applications If the flow reading is unstable, first check the wiring, grounding, and process reference associated with the magnetic flowmeter system. Ensure that the following conditions are met: •...
  • Page 105 Reference manual Digital Signal Processing 00809-0500-4750 May 2019 • With the transmitter and sensor installed in their final positions. This procedure is not applicable on the bench. • With the transmitter in 37 Hz coil drive mode. Never attempt this procedure with the transmitter in 5 Hz coil drive mode.
  • Page 106 Digital Signal Processing Reference manual May 2019 00809-0500-4750 Status Signal Processing > Digital Signal Processing > Control Enhanced FF host TB > SP_CONTROL (OD Index #77) Basic FF host Enable or disable the DSP capabilities. When ON is selected, the output is derived using a running average of the individual flow inputs.

  • Page 107: Explanation Of Signal Processing Algorithm

    Reference manual Digital Signal Processing 00809-0500-4750 May 2019 The time limit parameter forces the output and running average values to the new value of an actual flow rate change that is outside the percent limit boundaries. It thereby limits response time to flow changes to the time limit value rather than the length of the running average.
  • Page 108 Digital Signal Processing Reference manual May 2019 00809-0500-4750 1. This scenario is that of a typical non-noisy flow. The input flow signal is within the percent limit tolerance band, therefore qualifying itself as a good input. In this case the new input is added directly into the running average and is passed on as a part of the average value to the output.

  • Page 109: Chapter 10 Maintenance

    Reference manual Maintenance 00809-0500-4750 May 2019 Maintenance 10.1 Introduction This section covers basic transmitter maintenance. Instructions and procedures in this section may require special precautions to ensure the safety of the personnel performing the operations. Read the following safety messages before performing any operation described in this section.

  • Page 110: Installing A Loi/Display (Field Mount)

    Maintenance Reference manual May 2019 00809-0500-4750 10.3 Installing a LOI/Display (field mount) Figure 10-1: Installing a LOI/Display 1. If the transmitter is installed in a control loop, secure the loop. 2. Remove power from the transmitter. 3. Remove the cover on the electronics compartment of the transmitter housing. If the cover has a cover jam screw, loosen it before removing the cover.

  • Page 111: Installing A Loi/Display (Wall Mount)

    Reference manual Maintenance 00809-0500-4750 May 2019 10.4 Installing a LOI/Display (wall mount) Figure 10-2: Cover assembly with LOI/Display 1. If the transmitter is installed in a control loop, secure the loop. 2. Remove power from the transmitter. 3. Loosen the upper door screw and open the top electronics compartment of the transmitter housing.

  • Page 112: Replacing Electronics Stack (Field Mount)

    Maintenance Reference manual May 2019 00809-0500-4750 10.5 Replacing electronics stack (field mount) Make sure that the existing electronics stack is the same as the replacement (Revision 4) electronics stack. There are two ways to make sure: • Look at the complete transmitter model number. Current (Revision 4) electronics are only compatible with Models 8750WM.

  • Page 113: Replacing Electronics Stack (Wall Mount)

    Reference manual Maintenance 00809-0500-4750 May 2019 8. Carefully pull out the electronics stack by the handle marked PULL HERE. 9. Remove the screws from the old electronics stack and insert them into the new electronics stack. 10. Hold the new electronics stack by the handle and carefully insert it into the housing, making certain that the screw holes and electrical connectors are in proper alignment to seat the stack.
  • Page 114 Maintenance Reference manual May 2019 00809-0500-4750 Figure 10-4: Revision 4 electronics stack 1. If the transmitter is installed in a control loop, secure the loop. 2. Remove power from the transmitter. 3. Loosen the upper door screw and open the top electronics compartment of the transmitter housing.

  • Page 115: Replacing A Socket Module/Terminal Block

    Reference manual Maintenance 00809-0500-4750 May 2019 7. Remove the screws from the old electronics stack and insert them into the new electronics stack. 8. Hold the new electronics stack by the handle and carefully insert it into the housing, making certain that the screw holes and electrical connectors are in proper alignment to seat the stack.
  • Page 116 Maintenance Reference manual May 2019 00809-0500-4750 Figure 10-6: Socket Module—Integral Mount Removing an integral mount socket module 1. Disconnect power. 2. Remove electronics cover to gain access to the coil and electrode cables. 3. If the transmitter has a LOI/Display, it will need to be removed to gain access to the coil and electrode cables.
  • Page 117 Reference manual Maintenance 00809-0500-4750 May 2019 10.7.2 Replacing a terminal block socket module The terminal block socket module is shown in Figure 10-7. To gain access to the socket module, remove the junction box from the sensor adapter. Figure 10-7: Socket Module—Terminal Block A.
  • Page 118 Maintenance Reference manual May 2019 00809-0500-4750 3. Reconnect remote cabling and power and replace junction box cover. 10.7.3 Replacing a terminal block with amp clips Figure 10-8: Terminal block with amp clips A. Mounting screws: • 2X—standard • 4X—with I.S. divider Removing a terminal block 1.

  • Page 119: Trims

    Reference manual Maintenance 00809-0500-4750 May 2019 10.8 Trims Trims are used to calibrate the transmitter, re-zero the transmitter, and calibrate the transmitter with another manufacturer's sensor. Proceed with caution whenever performing a trim function. 10.8.1 Digital trim Enhanced FF host Service Tools >...

  • Page 120: Review

    Maintenance Reference manual May 2019 00809-0500-4750 5. The flow rate reading after warm-up should be between 29.97 (9.1 m/s) and 30.03 ft/s (9.2 m/s). 6. If the reading is within the range, return the transmitter to the original configuration parameters. 7.

  • Page 121: Chapter 11 Troubleshooting

    Consider all sources when identifying a problem in the system. If the problem persists, consult the local Rosemount representative to determine if the material should be returned to the factory. Emerson offers several diagnostics that aid in the troubleshooting process. Instructions and procedures in this section may require special precautions to ensure the safety of the personnel performing the operations.

  • Page 122: Installation Check And Guide

    Troubleshooting Reference manual May 2019 00809-0500-4750 11.3 Installation check and guide Use this guide to check new installations of Rosemount magnetic flowmeter systems that appear to malfunction. 11.3.1 Transmitter Checking the transmitter before applying power Before applying power to the magnetic flowmeter system, make the following transmitter checks: 1.

  • Page 123: Diagnostic Messages

    Reference manual Troubleshooting 00809-0500-4750 May 2019 Sensors with a ground electrode will not require the grounding straps to be connected. 11.3.3 Remote wiring 1. The electrode signal and coil drive wires must be separate cables, unless Rosemount specified combo cable is used. Sensor to transmitter wiring.
  • Page 124 Troubleshooting Reference manual May 2019 00809-0500-4750 Table 11-1: Fieldbus communication diagnostic messages Error message Potential cause Corrective action Fieldbus Not Fieldbus segment is disconnected Connect the fieldbus segment Communicating Fieldbus segment power missing Verify the segment fieldbus voltage Electronics failure Replace electronics Table 11-2: Basic Diagnostic Messages Error message...
  • Page 125 Reference manual Troubleshooting 00809-0500-4750 May 2019 Table 11-2: Basic Diagnostic Messages (continued) Error message Potential cause Corrective action Incorrect calibration number entered Replace sensor calibration number with into transmitter for Universal Auto- 1000005010000000 Trim routine Wrong sensor size selected Correct sensor size setting - see Sensor failure Perform sensor tests - see Installed sensor tests...
  • Page 126 Troubleshooting Reference manual May 2019 00809-0500-4750 Table 11-3: Advanced Process Diagnostic Messages (continued) Error message Potential cause Corrective action Faulty ground connection Check wiring for corrosion, moisture in the terminal block -see Process reference connection Sensor not full Verify sensor is full Enable empty pipe detection High Process Noise Slurry flows - mining/pulp stock...
  • Page 127 Reference manual Troubleshooting 00809-0500-4750 May 2019 Table 11-4: Advanced Meter Verification Messages Error message Potential cause Corrective action Meter Ver Failed Transmitter calibration verification Verify pass/fail criteria test failed ™ Rerun SMART Meter Verification under no flow conditions Verify calibration using 8714D Calibration Standard Perform digital trim Replace electronics board Sensor calibration test failed...
  • Page 128 Troubleshooting Reference manual May 2019 00809-0500-4750 Table 11-4: Advanced Meter Verification Messages (continued) Error message Potential cause Corrective action Transmitter drift or faulty electronics Verify transmitter electronics with 8714D Calibration Standard. The dial on the 8714D should be set to 30 ft/s (9.14 m/s). The transmitter should be set up with the nominal calibration number (1000015010000000) and 5 Hz coil drive frequency.
  • Page 129 Reference manual Troubleshooting 00809-0500-4750 May 2019 6. Properly connect the wiring between the sensor and the transmitter. Corresponding terminal block numbers in the sensor and transmitter must be connected. 7. Perform the sensor electrical resistance tests. For more detailed information, consult Installed sensor tests.
  • Page 130 Troubleshooting Reference manual May 2019 00809-0500-4750 that occurs as the fluid passes through the flowmeter and high concentration slurry flows where the particulates are constantly passing over the electrode head. An example of this type of flow stream would be a basis weight stream in a paper mill. This type of noise can be mitigated by switching to the 37Hz coil drive frequency and enabling the digital signal processing.
  • Page 131 Reference manual Troubleshooting 00809-0500-4750 May 2019 Table 11-5: Troubleshooting the Electrode Coating Diagnostic Error message Potential causes of error Steps to correct Electrode Coating • Insulating coating is • Verify process fluid conductivity Level 1 starting to build up on the •...

  • Page 132: Basic Troubleshooting

    Troubleshooting Reference manual May 2019 00809-0500-4750 Table 11-6: Troubleshooting the SMART Meter Verification Diagnostic (continued) Test Potential cause Corrective action Electrode Circuit • Electrode resistance Health baseline was not taken after installation • Test condition was not selected properly • Moisture in the sensor terminal block •...
  • Page 133 Reference manual Troubleshooting 00809-0500-4750 May 2019 Table 11-7: Common magmeter issue (continued) Symptom Electronics failure Corrective action Reading does not • Transmitter, control • Check all configuration variables for appear to be within system, or other receiving the transmitter, sensor, rated accuracy device not configured communicator, and/or control system...
  • Page 134 Troubleshooting Reference manual May 2019 00809-0500-4750 Table 11-7: Common magmeter issue (continued) Symptom Electronics failure Corrective action • Transmitter failure • Verify transmitter operation with an 8714 Calibration Standard or replace the electronics board Noisy Process • Chemical additives • Troubleshooting high process upstream of magnetic noise...

  • Page 135: Sensor Troubleshooting

    Reference manual Troubleshooting 00809-0500-4750 May 2019 Table 11-7: Common magmeter issue (continued) Symptom Electronics failure Corrective action • Electrode incompatibility • Check the Technical Data Sheet, Magnetic Flowmeter Material Selection Guide (document number 00816-0100-3033), for chemical compatibility with electrode material •...
  • Page 136 Troubleshooting Reference manual May 2019 00809-0500-4750 Figure 11-1: Sensor Circuit Diagram (Simplified) A. Electrodes B. Coils C. Sensor housing 11.6.1 Sensor adapter feed through pins The sensor adapter is the part of the sensor that provides the internal connection feed- through wiring from the internal sensor components to the socket module connections.
  • Page 137 Reference manual Troubleshooting 00809-0500-4750 May 2019 Figure 11-2: Sensor Adapter Feed-through Pins A. Electrode side B. Coil side C. Process reference D. Orientation key 11.6.2 Sensor adapter direct lead pins The sensor adapter direct leads are the part of the sensor that provides the direct connection from the internal sensor components to the terminal block connections.

  • Page 138: Installed Sensor Tests

    Troubleshooting Reference manual May 2019 00809-0500-4750 Figure 11-3: Sensor adapter direct lead pins A. Electrode side B. Coil side 11.6.3 Socket module Figure 11-4: Remote Mount Socket Module 11.7 Installed sensor tests If a problem with an installed sensor is identified, refer to Table 11-8 through Table 11-12...
  • Page 139 Reference manual Troubleshooting 00809-0500-4750 May 2019 through remote cabling as close to the sensor as possible. Readings taken through remote cabling that is more than 100 feet (30 meters) in length may provide incorrect or inconclusive information and should be avoided. The expected values in the test below assume the measurements have been taken directly at the pins.

  • Page 140: Uninstalled Sensor Tests

    Troubleshooting Reference manual May 2019 00809-0500-4750 Table 11-11: Test D. Electrode to electrode shield Test conditions Expected Potential cause Corrective action value • Location: installed • and R • Unstable R or R values • Remove coating from sensor should be confirm coated electrode wall •...
  • Page 141 Reference manual Troubleshooting 00809-0500-4750 May 2019 The expected values in the test below assume the measurements have been taken directly at the pins. Table 11-13: Test A. Terminal to front electrode Test conditions Expected Potential cause Corrective action value • Location: uninstalled ≤...

  • Page 142: Technical Support

    Clean terminal block Multimeter • Replace terminal block • 17 and 1 11.9 Technical support Email addresses: Worldwide: flow.support@emerson.com Asia-Pacific: APflow.support@emerson.com Middle East and Africa: FlowTechnicalSupport@emerson.com North and South America Europe and Middle East Asia Pacific United States 800-522-6277 U.K.

  • Page 143: Service

    Reference manual Troubleshooting 00809-0500-4750 May 2019 North and South America Europe and Middle East Asia Pacific Venezuela +58 26 1731 3446 Central & Eastern +41 (0) 41 7686 Japan +81 3 5769 6803 Russia/CIS +7 495 981 9811 South Korea +82 2 3438 4600 Egypt 0800 000 0015...
  • Page 144 Troubleshooting Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 145: Appendix A Product Specifications

    Reference manual Product Specifications 00809-0500-4750 May 2019 Product Specifications Basic specifications The tables below outline some of the basic performance, physical, and functional specifications. Table A-1: Wall mount transmitter Specifications Style Wall mount Base accuracy 0.5% Standard 0.25% High Accuracy Option Mounting Remote...
  • Page 146 Product Specifications Reference manual May 2019 00809-0500-4750 Table A-3: Sensor specifications Style Flanged Base accuracy 0.5% Standard 0.25% High Accuracy Option Line sizes ½-in. to 48-in. (15 mm to 1200 mm) Design features Standard Process Design Detailed specifications Sensor specifications Ordering information Product Data Sheet For complete accuracy specifications, refer to the sensor detailed specifications.
  • Page 147 Reference manual Product Specifications 00809-0500-4750 May 2019 Table A-6: Electrode Type Electrode type General characteristics Standard Lowest cost Measurement Good for most applications Measurement + Low cost grounding option especially for large line sizes Reference Minimum conductivity of 100 microSiemens/cm Electrode Not recommended for electrolytic or galvanic corrosion applications (Also see...

  • Page 148: Transmitter Specifications

    Product Specifications Reference manual May 2019 00809-0500-4750 Transmitter specifications A.2.1 Transmitter functional specifications Transmitter coil drive current 500mA Flow rate range Capable of processing signals from fluids with velocities between 0.04 and 39 ft/s (0.01 to 12 m/s) for both forward and reverse flow in all sensor sizes. Full scale continuously adjustable between –39 and 39 ft/s (–12 to 12 m/s).
  • Page 149 Reference manual Product Specifications 00809-0500-4750 May 2019 Figure A-1: AC current requirements 0.24 0.22 0.20 0.18 0.16 0.14 0.12 A. Supply current (amps) B. Power supply (VAC) Figure A-2: Apparent power A. Apparent power (VA) B. Power supply (VAC) DC power supply requirements Units powered by 12VDC power supply may draw up to 1.2A of current steady state.
  • Page 150 Product Specifications Reference manual May 2019 00809-0500-4750 Figure A-3: DC current requirements A. Supply current (amps) B. Power supply (VDC) Ambient temperature limits • Operating: — –58 to 140 °F (–50 to 60 °C) without LOI/Display — –4 to 140 °F (–20 to 60 °C) with LOI/Display —...
  • Page 151 Reference manual Product Specifications 00809-0500-4750 May 2019 Start-up time 50ms from zero flow Low flow cut-off Adjustable between 0.01 and 38.37 ft/s (0.003 and 11.7 m/s). Below selected value, output is driven to the zero flow rate signal level. Overrange capability Signal output will remain linear until 110% of upper range value or 44 ft/s (13 m/s).
  • Page 152 Product Specifications Reference manual May 2019 00809-0500-4750 Virtual Communications One (1) predefined (F6, F7) Nineteen (19) Relationships (VCRs) configurable ™ fieldbus function blocks OUNDATION Table A-9: Function block execution times Block Execution time (milliseconds) Resource (RB) — Transducer (TB) — Analog Input (AI) Proportional/Integral/Derivative (PID) Integrator (INT)
  • Page 153 Reference manual Product Specifications 00809-0500-4750 May 2019 deviation. The PID type (series or Instrument Society of America [ISA]) is user-selectable on the derivative filter. Integrator The standard integrator block is available for totalization of flow. Reverse Flow Detects and reports reverse flow Software A write-lock switch and software lockout are provided in the resource function block.
  • Page 154 Product Specifications Reference manual May 2019 00809-0500-4750 — ±0.25% of rate ±1.0 mm/sec from 3 to 39 ft/s (1 to 12 m/s) 0.25% 0.25% 0.5% 0.5% 12 12 18 18 24 24 30 30 (10) (10) A. Percentage of rate B.
  • Page 155 316/316L unpainted, option code SH Type 4X and IEC 60529 IP66 Cover gasket Aluminum housing: Buna-N Ingress protection Consult Emerson for installations requiring IP67/IP68/IP69K. Electrical connections Conduit entries Available in 1/2 inch NPT or M20. See ordering table footnotes for details Terminal block screws 6-32 (No.

  • Page 156: Sensor Specifications

    Product Specifications Reference manual May 2019 00809-0500-4750 Sensor specifications A.3.1 Functional specifications Service Conductive liquids and slurries Line sizes ½ –in. to 48-in. (15 mm to 1200 mm) Sensor coil resistance 7 - 16 Ω Interchangeability System accuracy is maintained regardless of line size or optional features. Each sensor nameplate has a sixteen-digit calibration number that can be entered into a transmitter during configuration.
  • Page 157 Installer must use IP68 approved cable glands, conduit connections, and/or conduit plugs. For more details on proper installation techniques for IP68, reference Rosemount Technical Note 00840-0100-4750 available on www.emerson.com. Conductivity limits Process liquid must have a minimum conductivity of 5 microSiemens/cm (5 micromhos/cm) or greater.
  • Page 158 Product Specifications Reference manual May 2019 00809-0500-4750 Table A-12: Temperature vs. Pressure Limits for EN 1092-1 flanges Sensor temperature vs. pressure limits for EN 1092-1 flanges (15 mm to 600 mm Line Sizes) Flange material Flange rating Pressure @ -29 to 50 °C @ 100 °C (212 °F) @ 150°C (302 °F) @ 175°C (347 °F)
  • Page 159 Reference manual Product Specifications 00809-0500-4750 May 2019 A.3.2 Physical specifications Non-wetted materials Sensor Pipe Type 304/304L SST Flanges Carbon steel, Type 304/304L SST Coil housing Rolled carbon steel Paint Polyurethane coat (2.6 mils or greater) Process-wetted materials Lining PTFE, Polyurethane, Neoprene Electrodes 316L SST, Nickel Alloy 276 (UNS N10276) Flat-faced flanges...
  • Page 160 Product Specifications Reference manual May 2019 00809-0500-4750 Safety grounding External stainless assembly, M5; internal 8-32 (No. 8) screws Process reference electrode (optional) A process reference electrode can be installed similarly to the measurement electrodes through the sensor lining. It will be made of the same material as the measurement electrodes.

  • Page 161: Appendix B Product Certifications

    Reference manual Product Certifications 00809-0500-4750 May 2019 Product Certifications For detailed approval certification information and installation drawings, please see the appropriate document listed below: • Document number 00825-MA00-0004: Rosemount 8750W Approval Document - IECEx and ATEX • Document number 00825-MA00-0005: Rosemount 8750W Approval Document – Class Division •...
  • Page 162 Product Certifications Reference manual May 2019 00809-0500-4750 ™ ™ Rosemount 8750W Transmitter with F Fieldbus Protocol OUNDATION...

  • Page 163: Appendix C Transducer Block

    Reference manual Transducer block 00809-0500-4750 May 2019 Transducer block This section contains information on the flowmeter transducer block. Descriptions of all transducer block parameters, errors, and diagnostics are listed. Also, the modes, alarm detection, status handling, application information, and troubleshooting are discussed. Quick transducer block configuration guide Proper configuration of the flowmeter is essential for accurate performance.
  • Page 164 Transducer block Reference manual May 2019 00809-0500-4750 Table C-2: Device specific parameters TB Index Parameter Name Description PRIMARY_VALUE_TYPE The type of measurement represented by the primary value. Parameter is RW but only value accepted is 101 PRIMARY_VALUE The measured value and status available to the Function Blocks PRIMARY_VALUE_RANGE The High and Low Range limit values, the engineering units code and the number of digits to the right of the decimal point to be...
  • Page 165 Reference manual Transducer block 00809-0500-4750 May 2019 Table C-2: Device specific parameters (continued) TB Index Parameter Name Description TOTAL_A_VALUE Totalizer A Value: This is the accumulated volumetric flow stored in totalizer A. TOTAL_B_VALUE Totalizer B Value: This is the accumulated volumetric flow stored in totalizer B.
  • Page 166 Transducer block Reference manual May 2019 00809-0500-4750 Table C-2: Device specific parameters (continued) TB Index Parameter Name Description UNITS Units: The units used by totalizer. These units are independent of the flow units and the other 2 totalizers. The totalizer units are R/W until you use the AI block XD_SCALE to change the units.
  • Page 167 Reference manual Transducer block 00809-0500-4750 May 2019 Table C-2: Device specific parameters (continued) TB Index Parameter Name Description LEVEL_2 Level 2: Electrode Coating Threshold Level 2 (kOhms) Note: Electrode Coating Level 2 must be greater or equal to Electrode Coating Level 1. CLEAR_MAX Clear Max: Reset the Electrode Coating Max Value.
  • Page 168 Transducer block Reference manual May 2019 00809-0500-4750 Table C-2: Device specific parameters (continued) TB Index Parameter Name Description TA_LOI_TIME TA LOI/Display Time: Time in seconds for which the LOI/Display should show the value of totalizer A. 0 indicates that the totalizer A shall not be displayed on the LOI/Display.
  • Page 169 Reference manual Transducer block 00809-0500-4750 May 2019 Table C-2: Device specific parameters (continued) TB Index Parameter Name Description UPDATE_IN_PROGRESS This parameter is used to tell when a long command, such as electronics trim, is running. This is very similar to the “Update in Progress”...
  • Page 170 Transducer block Reference manual May 2019 00809-0500-4750 Table C-2: Device specific parameters (continued) TB Index Parameter Name Description LICENSE_STATUS Bit mask that shows which diagnostics are licensed. Parameter is writable in the factory. Note The license status can be written directly via the factory info parameters.
  • Page 171 Reference manual Transducer block 00809-0500-4750 May 2019 Table C-2: Device specific parameters (continued) TB Index Parameter Name Description INT_SIM_REF_VALUE Internal Flow Simulator Reference Value. INT_SIM_VALUE The internal flow simulator reading. METER_VERIF_EP_LIM Flowmeter Verification Limit – Empty Pipe condition. METER_VERIF_FLOWING_LIM Flowmeter Verification Limit – Flowing condition. METER_VERIF_NO_FLOW_LIM Flowmeter Verification Limit –...
  • Page 172 Transducer block Reference manual May 2019 00809-0500-4750 Table C-4: XD_ERR conditions Condition number Condition name and description Out of Service: The actual mode is out of service. Unspecified error: An unidentified error occurred. General Error: A general error that cannot be specified below occurred. Calibration Error: An error occurred during calibration of the device, or a calibration error was detected during normal operations.
  • Page 173 Reference manual Transducer block 00809-0500-4750 May 2019 Table C-5: Supported line sizes (continued) Fieldbus code Line size Fieldbus code Line size 2 inch (50 mm) 42 inch (1050 mm) 2.5 inch (65 mm) 44 inch (1100 mm) 3 inch (80 mm) 48 inch (1200 mm) 4 inch (100 mm) 54 inch (1350 mm)
  • Page 174 Transducer block Reference manual May 2019 00809-0500-4750 Table C-6: Engineering units for PRIMARY_VALUE, PRIMARY_VALUE_RANGE, SENSOR_RANGE, LOW_FLOW_CUTOFF (continued) Fieldbus code Unit Fieldbus code Unit 1373 barrels/hr 1322 Kilograms/second 1374 barrels/day 1323 Kilograms/minute 1634 barrels (US Beer)/sec 1324 Kilograms/hour 1633 barrels (US Beer)/min 1325 Kilograms/day 1632...
  • Page 175 Reference manual Transducer block 00809-0500-4750 May 2019 Table C-8: Diagnostics (continued) XMTR STATUS REG Description Local display error message [2] bit 13 Electrode Resistance Error Elect Resist Err [2] bit 10 Coil Inductance Error Coil Induct Err [0] bit 0 Sensor Out of Range Flow >...
  • Page 176 Transducer block Reference manual May 2019 00809-0500-4750 Table C-9: Calibration conditions (continued) XMTR STATUS REG Description Local Display Error Message [1] bit 12 Calibration Attempt Without Calibrator Modes The resource block supports two modes of operation as defined by the MODE_BLK parameter: Automatic The block is processing its normal background memory checks.
  • Page 177 Reference manual Resource block 00809-0500-4750 May 2019 Resource block This section contains information on the resource block. Descriptions of all resource block parameters, errors, and diagnostics are included. Also,the modes, alarm detection, status handling, virtual communication relationships (VCRs), and troubleshooting are discussed. Definition The resource block defines the physical resources of the device, such as measurement and memory.
  • Page 178 Resource block Reference manual May 2019 00809-0500-4750 Table D-1: Resource block parameters and views (continued) Description Index Parameter View 3_1 4 4_1 4_2 TEST_RW Read/write test parameter - used only for conformance testing. DD_RESOURCE String identifying the tag of the resource which contains the Device Description for the resource.
  • Page 179 Reference manual Resource block 00809-0500-4750 May 2019 Table D-1: Resource block parameters and views (continued) Description Index Parameter View 3_1 4 4_1 4_2 NV_CYCLE_T Minimum time interval specified by the manufacturer for writing copies of NV parameters to non-volatile memory. Zero means it will never be automatically copied.
  • Page 180 Resource block Reference manual May 2019 00809-0500-4750 Table D-1: Resource block parameters and views (continued) Description Index Parameter View 3_1 4 4_1 4_2 BLOCK_ALM The BLOCK_ALM is used for all configuration, hardware, connection failure, or system problems in the block. The cause of the alert is entered in the sub code field.
  • Page 181 Reference manual Resource block 00809-0500-4750 May 2019 Table D-1: Resource block parameters and views (continued) Description Index Parameter View 3_1 4 4_1 4_2 FD_OFFSPEC_MAP This parameter maps conditions to be detected as active for FD_OFFSPEC alarm category. FD_MAINT_MAP This parameter maps conditions to be detected as active for FD_MAINT alarm category.
  • Page 182 Resource block Reference manual May 2019 00809-0500-4750 Table D-1: Resource block parameters and views (continued) Description Index Parameter View 3_1 4 4_1 4_2 FD_CHECK_ALM This parameter is used primarily to broadcast a change in the associated active conditions, which are not masked, for this alarm category to a Host System.
  • Page 183 Reference manual Resource block 00809-0500-4750 May 2019 Table D-1: Resource block parameters and views (continued) Description Index Parameter View 3_1 4 4_1 4_2 FINAL_ASSY_NUM The same final assembly number placed on the neck label. DOWNLOAD_MODE Gives access to the boot block code for downloading new firmware image to device HEALTH_INDEX Parameter representing the overall health of...
  • Page 184 Resource block Reference manual May 2019 00809-0500-4750 Table D-1: Resource block parameters and views (continued) Description Index Parameter View 3_1 4 4_1 4_2 MAINT _ACTIVE Enumerated list of maintenance needed conditions within a device. This parameter is the Read Only copy of FD_OFFSPEC_ACTIVE ADVISE_PRI Designates the alarm priority of the PWA...
  • Page 185 Reference manual Resource block 00809-0500-4750 May 2019 Out of Service The block is not processing its tasks. When the resource block is in (O/S) O/S, all blocks within the resource (device) are forced into O/S. The BLOCK_ERR parameter shows OUT OF SERVICE. In this mode, you can make changes to all configurable parameters.
  • Page 186 Resource block Reference manual May 2019 00809-0500-4750 Table D-4: Troubleshooting (continued) Symptom Possible causes Corrective action Block alarms will not work Features FEATURES_SEL does not have Alerts enabled. Enable the Alerts bit. Notification LIM_NOTIFY is not high enough. Set equal to MAX_NOTIFY.
  • Page 187 Reference manual Analog Input (AI) Function Block 00809-0500-4750 May 2019 Analog Input (AI) Function Block This section defines the parameters of the transmitter's four Analog Input function blocks. Table E-1: AI block parameters Index Parameter Available values Units Default Read/write Description ST_REV Not applicable...
  • Page 188 Analog Input (AI) Function Block Reference manual May 2019 00809-0500-4750 Table E-1: AI block parameters (continued) Index Parameter Available values Units Default Read/write Description SIMULATE Not applicable None Disable Read and A group of data that Write contains the current transducer value and status, the simulated transducer value and...
  • Page 189 Reference manual Analog Input (AI) Function Block 00809-0500-4750 May 2019 Table E-1: AI block parameters (continued) Index Parameter Available values Units Default Read/write Description CHANNEL for AI3 3: Totalizer B 3: Totalizer Read and be used going to or from Write the physical world.
  • Page 190 Analog Input (AI) Function Block Reference manual May 2019 00809-0500-4750 Table E-1: AI block parameters (continued) Index Parameter Available values Units Default Read/write Description ALARM_SUM Enable/Disable None Enable Read and The summary alarm is used Write for all process alarms in the block.
  • Page 191 Reference manual Analog Input (AI) Function Block 00809-0500-4750 May 2019 Table E-1: AI block parameters (continued) Index Parameter Available values Units Default Read/write Description HI_HI_ALM Not applicable None Uninitialized Read only The HI HI alarm data, which includes a value of the alarm, a timestamp of occurrence and the state of the alarm.
  • Page 192 © 2019 Rosemount, Inc. All rights reserved. The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount, 8600, 8700, 8800 marks are marks of one of the Emerson Automation Solutions family of companies. All other marks are property of their respective owners.

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