Emerson Rosemount 3051CF Series Manual
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Emerson Rosemount 3051CF Series Manual

Emerson Rosemount 3051CF Series Manual

Pressure transmitter with 4-20 ma hart protocol
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Manual
00809-0100-4007, Rev BG
July 2024
Rosemount
™
3051 Pressure Transmitter
with 4-20 mA HART
Protocol
®

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  • Page 1 Manual 00809-0100-4007, Rev BG July 2024 Rosemount ™ 3051 Pressure Transmitter with 4-20 mA HART Protocol ®...
  • Page 2  WARNING Replacement equipment Replacement equipment or spare parts not approved by Emerson for use as spare parts could reduce the pressure retaining capabilities of the transmitter and may render the instrument dangerous. Use only bolts supplied or sold by Emerson as spare parts.
  • Page 3 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 Rosemount nuclear-qualified products, contact your local Emerson Sales Representative. NOTICE...

  • Page 5: Table Of Contents

    Operation and maintenance....................83 5.1 Overview.............................83 5.2 Safety messages........................83 5.3 Recommended calibration tasks..................... 83 5.4 Calibration overview......................... 84 5.5 Trimming the pressure signal....................88 5.6 Trimming the analog output....................91 Chapter 6  Troubleshooting........................95 6.1 Overview.............................95 6.2 Safety messages........................95 6.3 Troubleshooting for 4-20 mA output..................95 6.4 Diagnostic messages........................ 97 www.emerson.com...
  • Page 6 A.2 Product certifications......................115 Appendix B  Device Driver (DD) menu trees.................... 117 Appendix C  Quick Service buttons......................127 Appendix D  Local operator interface (LOI)..................... 129 D.1 Enter numbers in the Local Operator Interface (LOI)............129 D.2 Enter text in the Local Operator Interface (LOI)..............130 www.emerson.com...

  • Page 7: Chapter 1 Introduction

    Rosemount 3051L Liquid Level Transmitter — Measures level and specific gravity up to 300 psi (20.7 bar). • Rosemount 3051CF Series Flow Meter — Measures flow in line sizes from ½ in. (15 mm) to 96 in. (2400 mm). Note...
  • Page 8 Introduction Manual July 2024 00809-0100-4007 www.emerson.com...

  • Page 9: Chapter 2 Configuration

    Refer to Safety messages. 2.3  System readiness If using HART -based control or asset management systems, confirm the HART capability ® of such systems prior to commissioning and installation. Not all systems can communicate with HART Revision 7 devices. www.emerson.com...
  • Page 10 10_01 enable legacy device descriptor revisions to continue to communicate with new HART devices. To access new functionality, you must download the new device descriptor. Emerson recommends downloading new device descriptor files to ensure full functionality. Valid for Manual revision BD or later. Changes include: •...

  • Page 11: Configuration Tools

    Note You do not need the resistor if you are connected in one of the following ways: • AMS Trex (HART + power) ® • AMS Device Configurator Bluetooth ® • Quick Service buttons • Local operator interface (LOI) www.emerson.com...
  • Page 12 ® Related information Device Driver (DD) menu trees 2.4.4  Configuring using the Quick Service buttons You can use the Quick Service buttons for the following configuration and maintenance tasks: • View Configuration • Zero • Rerange/Span • Loop Test www.emerson.com...
  • Page 13 Configure with the local operator interface (LOI) When using the LOI for configuration, several features require multiple screens for a successful configuration. Data entered is saved on a screen-by-screen basis; the LOI indicates this by flashing SAVED on the LCD display each time. www.emerson.com...
  • Page 14 The last two options are Back to Menu and Exit Menu. If you continue to press the scroll button after Exit Menu, the menu repeats from the beginning. Remove the housing cover to access the LCD display. www.emerson.com...

  • Page 15: How To Configure

    Manual. You must set the loop to Manual control as a separate operation. 2.5.2  Verifying configuration parameters Emerson recommends verifying the following configuration parameters prior to installation into the process: • Alarm and Saturation Values •...
  • Page 16 Pressure. Set Pressure units with a communication device Procedure Go to Device Settings → Output → Pressure → Setup. Set Pressure units with the local operator interface (LOI) Procedure 1. Click either button to activate the LOI. 2. Select Units. www.emerson.com...
  • Page 17 Low Flow Cut-off at four percent and a Low Flow Cut-in of five percent of the square root analog output range. Emerson recommends using application-specific configuration to configure differential pressure (DP) flow applications. Refer to...
  • Page 18 Select Enter Values to manually enter range points. • Select Apply Values and follow the prompts to use a pressure input source. Rerange with the Zero and Span buttons Procedure 1. Locate the external Zero and Span buttons. 2. Apply transmitter pressure. www.emerson.com...
  • Page 19 Customize the LCD display to suit application requirements. The LCD display will alternate between the selected items. • Pressure • Module Temperature • Percent of Range • Analog Output • Level • Volume • Flow Rate • Totalized Flow www.emerson.com...
  • Page 20 For gauge and absolute transmitters, you can enable a Gauge Pressure (GP) or Absolute Pressure (AP) unit label. For example, if units are psi and the GP/AP unit label is enabled, then the units will display as on the graphical display. psi-g psi-a www.emerson.com...
  • Page 21 You can also rotate the display manually in 90 degree increments to meet installations requiring a 90 degree or 270 degree rotation. Configure the graphical LCD display using a communication device Procedure Go to Device Settings → Display → Display → Display Parameters. www.emerson.com...

  • Page 22: Application Specific Configuration

    Go to Device Settings → Output → Flow → Setup → Configure Flow. Configuring Low Flow Cut-off Emerson highly recommends using the Low Flow Cut-off function to have a stable output and avoid problems due to process noise at a low flow or no flow condition. There are two key definitions to aid in understanding Low Flow Cut-off: The pressure at which the field device will stop measuring the flow rate.
  • Page 23 For a flow rate of USGPH, the Totalizer Unit would be USGAL, and the Flow Unit of Time would be Hours. The flow unit is displayed on the communication device for convenience when you configure totalized flow on a communication device. Direction The totalizer can be configured to support the following flow orientations: www.emerson.com...
  • Page 24 Set the Totalizer Mode value to Stopped. c) Run the Clear Totalizer method. d) Set the Totalizer Mode value to Totalizing. Note If either the hardware Security switch or the software Security setting is On, it is not possible to clear the totalizer. www.emerson.com...
  • Page 25 To simplify configuration and to capture the unique applications that are associated with level measurement, Emerson recommends using the built-in level configurator to quickly and easily configure the transmitter to measure level. Level configuration parameters...
  • Page 26 10 feet above. The Level Configurator method walks you through the configuration to establish the pressure at both minimum and maximum level. Level Configurator unit information screen Figure 2-7: Level Configurator tank configuration screen Figure 2-8: www.emerson.com...
  • Page 27 Configuration 00809-0100-4007 July 2024 Level Configurator technology screen Figure 2-9: Level Configurator Water Return screen Figure 2-10: After you complete the Level Configurator method, you can view the Level Output screen to confirm that the values are set as expected. www.emerson.com...
  • Page 28 Adjust the level reading on the Level Configuration window. • Use a strapping table to configure the level and volume relationship. The Configure Tank method creates a relationship between level and volume using the following parameters: User-selectable tank geometry Tank type • Sphere • Vertical bullet www.emerson.com...

  • Page 29: Detailed Transmitter Setup

    See Move Alarm switch. Table 2-6: Rosemount 3051 alarm and saturation values Level 4-20 mA saturation 4-20 mA alarm 3.9 mA ≤ 3.75 mA High 20.8 mA ≥ 21.75 mA www.emerson.com...
  • Page 30 HART variable assignments. This means that an Analog Output Alarm can be triggered by any of the dynamic process variables listed above, even if they are not assigned to be the HART primary variable. www.emerson.com...
  • Page 31 Variable, beyond the Alert Value trigger when a process alert will not be enunciated. A user-defined amount of time (30 seconds maximum) after alert detection Time Delay when the process alert will not be enunciated. Alert Name The name that will be shown for the alert on the device display. www.emerson.com...

  • Page 32: Configure Via Bluetooth ® Wireless Technology

    Device Settings → Communication → HART → Variable Mapping. Re-map the primary variable with the Local Operator Interface (LOI) Procedure 1. Click either button to activate the LOI. 2. Go to Extended Menu → Assign PV. 2.8  Configure via Bluetooth wireless technology ® Procedure 1. Launch AMS Device Configurator. www.emerson.com...

  • Page 33: Configuring Transmitter Diagnostics

    Manual Configuration 00809-0100-4007 July 2024 AMS Device Configurator for Emerson Field Devices. 2. Select the device where you want to connect. 3. On first connection, enter the key for selected device. 4. At the top left, select the menu icon to navigate the desired device menu.
  • Page 34 D. 20 mA Overview Emerson ships the transmitter with Loop Integrity off as default and without any loop characterization performed. Once the transmitter is installed and powered up, you must perform a loop characterization for the Loop Integrity diagnostic to function.
  • Page 35 Severe changes in the electrical loop may inhibit HART communication or the ability to ® reach alarm values. Therefore, Emerson cannot absolutely warrant or guarantee that the correct Failure alarm level (High or Low) can be read by the host system at the time of annunciation.
  • Page 36 Adding the Wireless THUM Adapter to the transmitter ™ Note Emerson does not recommend the loop integrity diagnostic for transmitters operating in multidrop mode. Loop integrity action When the voltage deviation exceeds the set limit, you can configure three possible actions: •...
  • Page 37 Manual Configuration 00809-0100-4007 July 2024 Figure 2-15: Changes in process noise or variability and effect on statistical parameters A. Process noise B. Standard deviation C. Mean D. Time (minutes) Note Standard deviation increases or decreases with changing noise level. www.emerson.com...
  • Page 38 CV is stable if mean is proportional to standard deviation. A. Mean B. Standard deviation C. Coefficient of variation Typical applications for the plugged line impulse diagnostic include detecting abnormal process connection conditions, such as: • Plugged impulse lines • Process leaks • Coated or plugged Rosemount Annubar www.emerson.com...

  • Page 39: Performing Transmitter Tests

    The analog loop test command verifies the output of the transmitter, the integrity of the loop, and the operations of any recorders or similar devices installed in the loop. Emerson recommends testing the 4-20 mA (1-5 Vdc) points in addition to alarm levels when installing, repairing, or replacing a transmitter.
  • Page 40 Simulating the primary variable drives the digital reading and the analog output to match the user-defined value. You can set the primary variable to any of the following output variables: • Pressure • Level • Volume • Flow rate • Totalized flow www.emerson.com...

  • Page 41: Configuring Burst Mode

    Trigger mode options: • Continuous • Rising • Falling • Windowed • On change NOTICE Consult host system manufacturer for Burst mode requirements. 2.11.1  Configure Burst mode using a communication device Procedure Go to Device Settings → Output (or Communication) → HART → Burst Mode Configuration. www.emerson.com...

  • Page 42: Establishing Multidrop Communication

    ® B. Power supply Emerson sets the Rosemount 3051 to address zero (0) at the factory, which allows operation in the standard point-to-point manner with a 4-20 mA output signal. To activate multidrop communication, you must change the transmitter address to a number from 1 to 63.
  • Page 43 To set up a communication device for polling: Procedure 1. Go to Utility → Configure HART Application. 2. Select Polling Addresses. 3. Enter 0-63 Communicate with a multidropped transmitter using AMS Device Manager Procedure 1. Click the HART modem icon. 2. Select Scan All Devices. www.emerson.com...
  • Page 44 Configuration Manual July 2024 00809-0100-4007 www.emerson.com...

  • Page 45: Chapter 3 Hardware Installation

    Overview The information in this section covers installation considerations for the Rosemount 3051 with HART protocol. Emerson ships a Quick Start Guide with every transmitter to describe ® recommended pipe-fitting and wiring procedures for each initial installation. Dimensional drawings for each Rosemount 3051 variation and mounting configuration are...
  • Page 46 Output damping At the factory, Emerson sets the output damping for the Rosemount 3051CD0 to 3.2. If the transmitter output is still noisy, increase the damping time. If you need a faster response, decrease the damping time.

  • Page 47: Installation Procedures

    You can rotate the electronics housing up to 180 degrees in either direction to improve field access or to better view the optional LCD/Local Operator Interface (LOI) display. Figure 3-2: Transmitter housing set screw A. Housing rotation set screw (5/64 in.) www.emerson.com...
  • Page 48 Always ensure a proper seal by installing the electronics housing cover(s) so that metal contacts metal. Use Rosemount O-rings. Flange bolts Emerson can ship the Rosemount 3051 with a coplanar flange or a traditional flange installed with four 1.75-in. flange bolts. Table 3-1...
  • Page 49 A. Differential transmitter B. Gauge/absolute transmitter C. Drain/vent D. Vented fitting E. 1.75 in. (44 mm) x 4 F. 1.50 in. (38 mm) x 4 Dimensions are in inches (millimeters). For gauge and absolute transmitters: 150 (38) x 2 www.emerson.com...
  • Page 50 Flange bolts 1.75 in. (44 mm) Flange/adapter bolts 2.88 in. (73 mm) Gauge/absolute pressure  Flange bolts 1.75 in. (44 mm) Flange/adapter bolts 2.88 in. (73 mm) Rosemount 3051T Transmitters are direct mount and do not require bolts for process connection. www.emerson.com...
  • Page 51 July 2024 Figure 3-5: Mounting bracket option codes B1, B7, and BA Note Dimensions are in inches (millimeters). Figure 3-6: Panel mounting bracket option codes B2 and B8 A. Mounting holes 0.375 diameter (10) Note Dimensions are in inches (millimeters). www.emerson.com...
  • Page 52 Figure 3-8 dimensional and mounting configuration information. Table 3-2: Mounting brackets Option Process connections Mounting Materials code In-Line Tradi- Pipe Panel Flat Carbon Stainless CS bolts SST bolts planar tional mount mount panel steel steel mount (CS) (SST) bracket bracket www.emerson.com...
  • Page 53 Dimensions are in inches (millimeters). Table 3-3: Head markings Carbon steel (CS) head markings Stainless steel (SST) head markings Alloy K-500 head marking The last digit in the FS93_ head marking may be any letter between A and M. www.emerson.com...
  • Page 54 In steam service above 250 °F (121 °C), fill impulse lines with water to prevent steam from contacting the transmitter directly and to ensure accurate measurement start-up. NOTICE For steam or other elevated temperature services, it is important that temperatures at the process connection do not exceed the transmitter’s process temperature limits. www.emerson.com...
  • Page 55 For gas service, slope the piping at least 1 in./ft. (8 cm/m) downward from the transmitter toward the process connection. • Avoid high points in liquid lines and low points in gas lines. • Ensure impulse legs are the same temperature. www.emerson.com...
  • Page 56 O-rings with O-rings designed for Rosemount transmitters. You may reuse undamaged O-rings. If you replace the O-rings, retorque the flange bolts after installation to compensate for cold flow. NOTICE If you remove the flange adapter, then replace PFTE O-rings. www.emerson.com...
  • Page 57 NOTICE Electronics damage Rotation between the sensor module and the process connection can damage the electronics. Do not apply torque directly to the sensor module. To avoid damage, apply torque only to the hex-shaped process connection. See Figure 3-11. www.emerson.com...
  • Page 58 You can mount the traditional 305 Integral Manifold to most primary elements with mounting adapters in the market today. The 306 Integral Manifold is used with 3051T In-Line Transmitters to provide block-and-bleed capabilities of up to 10,000 psi (690 bar). www.emerson.com...
  • Page 59 3. Leak-check assembly to maximum pressure range of transmitter. Install 305 Integral Manifold Procedure 1. Inspect the PTFE sensor module O-rings. You may reuse undamaged O-rings. If the O-rings are damaged (if they have nicks or cuts, for example), replace with O-rings designed for Rosemount transmitters. www.emerson.com...
  • Page 60 Install and tighten all four flange bolts before applying pressure. Do not attempt to loosen or remove flange bolts while the transmitter is in service. Assemble the Rosemount 306 Manifold to the Rosemount 3051T In-Line Transmitter with a thread sealant. www.emerson.com...
  • Page 61 Perform zero trim at static line pressure. In normal operation, the two block valves between the process and instrument ports are open, and the equalizing valve is closed. A. High B. Low C. Drain/vent valve D. Isolate (open) E. Equalize (closed) F. Process www.emerson.com...
  • Page 62 Open the center (equalize) valve to equalize the pressure on both sides of the transmitter. The manifold valves are now in the proper configuration for zeroing the transmitter. A. High B. Low C. Drain/vent valve D. Isolate (open) E. Equalize (open) F. Process G. Isolate (closed) www.emerson.com...
  • Page 63 E. Equalize (closed) F. Process Zero a five-valve natural gas manifold Perform zero trim at static line pressure. In normal operation, the two block valves between the process and instrument ports will be open, and the equalizing valves will be closed. www.emerson.com...
  • Page 64 Hardware installation Manual July 2024 00809-0100-4007 A. High B. Low C. Test (plugged) D. Isolate (open) E. Process F. Equalize (closed) G. Drain vent (closed) www.emerson.com...
  • Page 65 (downstream) side of the transmitter and the vent valve.Close the block valve on the low pressure (downstream) side of the transmitter. A. High B. Low C. Test (plugged) D. Isolate (open) E. Process F. Equalize (closed) G. Drain vent (closed) H. Isolate (closed) www.emerson.com...
  • Page 66 2. Open the equalize valve on the high pressure (upstream) side of the transmitter. A. High B. Low C. Test (plugged) D. Isolate (open) E. Process F. Equalize (open) G. Equalize (closed) H. Drain vent (closed) I. Isolate (closed) www.emerson.com...
  • Page 67 3. Open the equalize valve on the low pressure (downstream) side of the transmitter. The manifold is now in the proper configuration for zeroing the transmitter. A. High B. Low C. Test (plugged) D. Isolate (open) E. Process F. Equalize (open) G. Drain vent (closed) H. Isolate (closed) www.emerson.com...
  • Page 68 4. After zeroing the transmitter, close the equalize valve on the low pressure (downstream) side of the transmitter. A. High B. Low C. Test (plugged) D. Isolate (open) E. Process F. Equalize (open) G. Equalize (closed) H. Drain vent (closed) I. Isolate (closed) www.emerson.com...
  • Page 69 Manual Hardware installation 00809-0100-4007 July 2024 5. Close the equalize valve on the high pressure (upstream) side. A. High B. Low C. Test (plugged) D. Isolate (open) E. Process F. Equalize (closed) G. Drain vent (closed) H. Isolate (closed) www.emerson.com...
  • Page 70 The vent valve can remain open or closed during operation. A. High B. Low C. Test (plugged) D. Isolate (open) E. Process F. Equalize (closed) G. Drain vent (closed) www.emerson.com...

  • Page 71: Chapter 4 Electrical Installation

    Safety messages. 4.3  Install LCD display Emerson ships transmitters ordered with the LCD display, graphical LCD display, or Local Operator Interface (LOI) options with the display installed. To install the display on an existing Rosemount 3051 Transmitter: Prerequisites Small instrument screwdriver Procedure Carefully align the desired display connectors with the electronics board connector.
  • Page 72 Insert 10-pin connector into the display board for the correct orientation. Carefully align pins for insertion into the output board. 4. Re-insert screws. 5. Reattach transmitter housing cover. Ensure that the cover is fully engaged to comply with explosion-proof requirements. 6. Re-attach power and return loop to automatic control. www.emerson.com...

  • Page 73: Configuring Transmitter Security

    If you set the Security switch to Locked, the transmitter will reject any configuration requests sent via HART , Bluetooth , Local Operator Interface (LOI), or local configuration ® ® buttons, and it will not modify the configuration data. See Figure 4-2 for the location of the Security switch. www.emerson.com...

  • Page 74: Move Alarm Switch

    3. Use a small screwdriver to slide the switch to the Lock position. 4. Reattach transmitter housing cover. Emerson recommends tightening the cover until there is no gap between the cover and housing to comply with explosion proof requirements. 4.4.2 ...

  • Page 75: Electrical Considerations

    Mount the transmitter with the electrical housing positioned downward for drainage. To avoid moisture accumulation in the housing, install wiring with a drip loop and ensure the bottom of the drip loop is mounted lower than the conduit connections of the transmitter housing. Figure 4-3 shows recommended conduit connections. www.emerson.com...
  • Page 76 If you are using a single power supply to power more than one transmitter, ensure the power supply used and the circuitry common to the transmitters do not have more than 20 Ω of impedance at 1200 Hz. www.emerson.com...
  • Page 77 Incorrect wiring can damage test circuit. Do not connect the power signal wiring to the test terminals. Note Use shielded twisted pairs to yield best results. To ensure proper communication, use 24 AWG or larger wire and do not exceed 5,000 ft. (1,500 m). www.emerson.com...
  • Page 78 B. Voltmeter Procedure 1. Remove the housing cover on terminal compartment side.  WARNING Explosions Explosions could result in death or serious injury. In an explosion-proof/flameproof installation, do not remove the transmitter covers when power is applied to the transmitter. www.emerson.com...
  • Page 79 Figure 4-7: Wiring pair and ground A. Insulate shield and shield drain wire. B. Insulate exposed shield drain wire. C. Terminate cable shield drain wire to earth ground. Grounding transmitter case for instructions on grounding the transmitter case. www.emerson.com...
  • Page 80 Figure 4-8: Internal ground connection A. Internal ground location • External ground connection: The external ground connection is located on the exterior of the transmitter housing. Refer to Figure 4-9. This connection is only available with option V5 and T1. www.emerson.com...
  • Page 81 T1) or as a spare part to retrofit existing transmitters in the field. See the Spare parts section of the Rosemount 3051 Product Data Sheet for part numbers. The lightning bolt symbol shown in Figure 4-10 identifies the transient protection terminal block. www.emerson.com...
  • Page 82 A. External ground connection location B. Lightning bolt connection NOTICE The transient protection terminal block does not provide transient protection unless the transmitter case is properly grounded. Use the guidelines to ground the transmitter case. Refer to Figure 4-10. www.emerson.com...

  • Page 83: Operation And Maintenance

    If any trim is done improperly or with inaccurate equipment, it may degrade the transmitter's performance. Emerson calibrates absolute pressure transmitters (Rosemount 3051CA and 3051TA) at the factory. Trimming adjusts the position of the factory characterization curve. Emerson provides instructions to perform configuration functions with the following: •...

  • Page 84: Calibration Overview

    5.4  Calibration overview Note Emerson fully calibrates the Rosemount 3051 Pressure Transmitter at the factory. Emerson provides a field calibration option to meet plant requirements or industry standards. Note Sensor calibration allows you to adjust the pressure (digital value) reported by the transmitter to be equal to a pressure standard.
  • Page 85 Calibration frequency can vary greatly depending on the application, performance requirements, and process conditions. See How to Calculate Pressure Transmitter Calibration Intervals Technical Note. To determine the calibration frequency that meets the needs of your application: Procedure 1. Determine the performance required for your application. www.emerson.com...
  • Page 86 TPE = = 0.105% of span Where: ±0.04% of span Reference Accuracy Ambient Temperature Effect Span Static Pressure Effect 4. Calculate the stability per month. 5. Calculate calibration frequency. Zero static pressure effect removed by zero trimming at line pressure. www.emerson.com...
  • Page 87 In the example above, at Step 4, apply the nominal pressure value of 1500 inH O.In the preceding example, when calculating the stability per month, apply the nominal pressure value of 1500 inH O Lo. However, enter the calculated correct upper sensor trim value of 1517.1 inH O with a communication device. www.emerson.com...

  • Page 88: Trimming The Pressure Signal

    Always adjust the low trim value first to establish the correct offset. Adjustment of the high trim value provides a slope correction to the characterization curve based on the low trim value. The trim values help optimize performance over a specific measurement range. www.emerson.com...
  • Page 89 Select pressure points so that lower and upper values are equal to or outside the expected process operation range. To do this, see Rerange the transmitter. 3. Follow the commands provided by the communication device to complete the adjustment of the lower value. www.emerson.com...
  • Page 90 Table 5-1 for DZ button location. Procedure 1. Loosen the top tag of the transmitter to expose buttons. 2. Press and hold the Digital zero button for at least two seconds; then release to perform a digital zero trim. www.emerson.com...

  • Page 91: Trimming The Analog Output

    4 and 20 mA points to match the plant standards. Perform this trim after the digital to analog conversion, so that it only affects the 4-20 mA analog signal. Figure 5-3 Figure 5-4 graphically show the two ways the characterization curve is affected when an analog output trim is performed. www.emerson.com...
  • Page 92 Operation and maintenance Manual July 2024 00809-0100-4007 Figure 5-3: 4-20 mA output trim - zero/lower trim A. Before trim B. After trim C. Meter reading D. mA output www.emerson.com...
  • Page 93 20 mA output with additional loop resistance. Refer to Power supply for a 4-20 mA HART communication device. ® Perform a 4-20 mA output trim with a communication device Procedure Go to Device Settings → Calibration → Analog Output → Calibration → Analog Calibration. www.emerson.com...
  • Page 94 This command can be useful for recovering from an inadvertent trim, incorrect plant standard, or faulty meter. Recall factory trim - analog output with a communication device Procedure Go to Device Settings → Calibration → Analog Calibration → Factory Calibration → Restore Analog Calibration. www.emerson.com...

  • Page 95: Chapter 6 Troubleshooting

    1. Verify terminal voltage is 10.5 to 42.2 Vdc. 2. Check loop resistance. Note (Power supply voltage - terminal voltage)/loop current must be 250 Ω minimum. 3. Check that power wires are connected to signal terminals and not test terminals. 4. Verify clean Dc power to transmitter. www.emerson.com...
  • Page 96 Factory Calibration → Restore Pressure Calibration. 6.3.6  Digital pressure variable reading is erratic Recommended actions 1. Check application for faulty equipment in pressure line. 2. Verify transmitter is not reacting directly to equipment turning On/Off. 3. Verify damping is set properly for application. www.emerson.com...

  • Page 97: Diagnostic Messages

    The electronic circuit board has detected a sensor module that is incompatible with the system. Graphical LCD Incompatible Sensor Module display LCD display XMTR MSMTCH Local Operator XMTR MSMTCH Interface (LOI) Recommended action Replace the incompatible sensor module. No Pressure Updates There are no pressure updates from the sensor to the electronics. www.emerson.com...
  • Page 98 2. Replace the pressure sensor. 6.4.2  Diagnostic message: Function Check Primary or Device Variable Simulated The primary or device variable is being simulated and does not represent the process measurement. Graphical LCD [Variable] Simulated display (None) LCD Display Local operator (None) interface (LOI) www.emerson.com...
  • Page 99 Graphical LCD Bluetooth Functionality Limited display LCD display Local operator interface (LOI) Recommended actions 1. Remove the front housing cover (considering hazardous location requirements) and check that the display assembly is properly seated and connected to the electronic circuit board. www.emerson.com...
  • Page 100 This may indicate degraded or loop integrity. Graphical LCD Loop Integrity Diagnostic display LCD display POWER ADVISE Local Operator POWER ADVISE Interface (LOI) Recommended actions 1. Check the DC power supply to make sure the power is correct, stable, and has minimal ripple. www.emerson.com...
  • Page 101 Process Alert 2 The device has detected a change in the monitored variable that exceeds the configured thresholds for Process Alert 2 [Alert Name] Graphical LCD Process Alert 2 display LCD display [Alert Name] [Alert Name] Local Operator Interface (LOI) www.emerson.com...
  • Page 102 The loop current is saturated due to the analog value being outside the saturation value range, or the primary variable is being saturated. Graphical LCD Loop Current Saturated display LCD display ANLOG SAT ANALOG SAT Local operator interface (LOI) Recommended actions 1. Verify the conditions of the process where the transmitter is installed. www.emerson.com...

  • Page 103: Disassembling The Transmitter

    6. For the Rosemount 3051C, whenever you remove the process flange or flange adapters, visually inspect the PTFE O-rings. Replace the O-rings if they show any signs of damage, such as nicks or cuts. Note You may reuse undamaged O-rings. www.emerson.com...
  • Page 104 Remove sensor module from the electronics housing Procedure 1. Remove the electronics board. Refer to Remove electronics board. NOTICE To prevent damage to the sensor module ribbon cable, disconnect it from the electronics board before you remove the sensor module from the electrical housing. www.emerson.com...

  • Page 105: Reassemble The Transmitter

    Procedure 1. Remove the cable connector from its position inside of the internal black cap and attach it to the electronics board. 2. Using the two captive screws as handles, insert the electronics board into the housing. www.emerson.com...
  • Page 106 Hold the process flange in place by installing the two alignment screws to finger tightness (screws are not pressure retaining). Do not over-tighten, as this will affect module-to-flange alignment. b. Install the four 1.75-in. (44 mm) flange bolts by finger tightening them to the flange. www.emerson.com...
  • Page 107 NOTICE Ensure the opening on the valve is placed so that process fluid will drain toward the ground and away from human contact when the valve is opened. 2. Tighten the drain/vent valve to 250 in.-lb. (28.25 N-m). www.emerson.com...
  • Page 108 Troubleshooting Manual July 2024 00809-0100-4007 www.emerson.com...

  • Page 109: Safety Instrumented Systems (Sis) Requirements

    Rosemount 3051 Product Data Sheet for environmental and operational limits. Design the loop so that terminal voltage does not drop below 10.5 Vdc when the transmitter output is set to 23 mA. NAMUR Software Revision: Located on the metal device tag. www.emerson.com...

  • Page 110: Configuring In Safety Instrumented Systems (Sis) Applications

    The figures below identify the three alarm levels available and their operation values. Figure 7-1: Rosemount alarm level A. Low saturation B. Normal operation C. High saturation Figure 7-2: NAMUR alarm level A. Low saturation B. Normal operation C. High saturation www.emerson.com...

  • Page 111: Safety Instrumented Systems (Sis) Operation And Maintenance

    7.4  Safety Instrumented Systems (SIS) operation and maintenance 7.4.1  Proof-tests Emerson recommends the following proof-tests. If you find an error in safety or functionality, you can document proof-test results and corrective actions taken at Contact Measurement Solutions Instrumentation Customer Service.
  • Page 112 This tests for possible quiescent current related failures. This tests for compliance voltage problems, such as a low loop power supply voltage or increased wiring distance. This also tests for other possible failures. www.emerson.com...

  • Page 113: Inspection

    Beta factor estimates. 7.5.4  Failure values ±2.0 percent Safety deviation Transmitter response time See the Specifications section of the Rosemount 3051 Product Data Sheet. At least once every 60 minutes Self-diagnostics test interval www.emerson.com...
  • Page 114 Safety Instrumented Systems (SIS) requirements Manual July 2024 00809-0100-4007 7.5.5  Product life Product life is 50 years. This is based on worst case component wear-out mechanisms. It is not based on wear-out of process wetted materials. www.emerson.com...

  • Page 115: Appendix A Reference Data

    To view current Rosemount 3051 ordering information, specifications, and drawings, follow these steps: Procedure 1. Go to Emerson.com/Rosemount3051CP. 2. Scroll as needed to the green menu bar and click Documents & Drawings. 3. For installation drawings, click Drawings & Schematics and select the appropriate document.
  • Page 116 Reference data Manual July 2024 00809-0100-4007 www.emerson.com...

  • Page 117: Appendix B Device Driver (Dd) Menu Trees

    Manual Device Driver (DD) menu trees 00809-0100-4007 July 2024 B  Device Driver (DD) menu trees Figure B-1: First level menu trees www.emerson.com...
  • Page 118 Device Driver (DD) menu trees Manual July 2024 00809-0100-4007 Process Variables menu Figure B-2: Device Settings 1 Figure B-3: www.emerson.com...
  • Page 119 Manual Device Driver (DD) menu trees 00809-0100-4007 July 2024 Device Settings 2 Figure B-4: www.emerson.com...
  • Page 120 Device Driver (DD) menu trees Manual July 2024 00809-0100-4007 Device Settings 3 Figure B-5: www.emerson.com...
  • Page 121 Manual Device Driver (DD) menu trees 00809-0100-4007 July 2024 Device Settings 4 Figure B-6: www.emerson.com...
  • Page 122 Device Driver (DD) menu trees Manual July 2024 00809-0100-4007 Diagnostics 1 Figure B-7: www.emerson.com...
  • Page 123 Manual Device Driver (DD) menu trees 00809-0100-4007 July 2024 Diagnostics 2 Figure B-8: www.emerson.com...
  • Page 124 Device Driver (DD) menu trees Manual July 2024 00809-0100-4007 Maintenance 1 Figure B-9: www.emerson.com...
  • Page 125 Manual Device Driver (DD) menu trees 00809-0100-4007 July 2024 Maintenance 2 Figure B-10: www.emerson.com...
  • Page 126 Device Driver (DD) menu trees Manual July 2024 00809-0100-4007 www.emerson.com...

  • Page 127: Appendix C Quick Service Buttons

    Trim to PV Zero Set current reading as 4 mA Rerange Set 4 mA Set 20 mA Loop Test Set 4 mA Set 8 mA Set 12 mA Set 16 mA Set 20 mA Flip screen Flip 180 Degrees www.emerson.com...
  • Page 128 Quick Service buttons Manual July 2024 00809-0100-4007 www.emerson.com...

  • Page 129: Appendix D Local Operator Interface (Loi)

    13. Press the Enter button to select for the eight digit. 000011.2 The number entry is complete. A SAVE screen appears. Usage notes: • To move backwards in the number, scroll to the Left arrow symbol and press Enter. www.emerson.com...

  • Page 130: Enter Text In The Local Operator Interface (Loi)

    Enter numbers in the Local Operator Interface (LOI), except the following characters are available in all locations: , space. Note If the current text contains a character the LOI cannot display, it will be shown as an asterisk " ". www.emerson.com...
  • Page 131 Manual 00809-0100-4007 July 2024 www.emerson.com...
  • Page 132 The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a mark of one of the Emerson family of companies. All other marks are the property of their respective owners. The "Bluetooth" word mark and logos are registered trademarks owned by Bluetooth SIG, Inc.

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