User ManualTable of ContentsRosemount 3051N Smart Pressure Transmitter for Nuclear Service1Rosemount 3051N Smart Pressure Transmitter for Nuclear Service3Rosemount Nuclear Instruments, Inc. Warranty and Limitations of Remedy4Section 1 Introduction11Using This Manual11Section 3: Installation11Section 4: Troubleshooting11Section 5: Specifications and Reference Data11Section 6: Options11Appendix A: HART Communicator11Section 2 Transmitter Functions13Overview page 2-113Overview13Safety Messages13Warnings13Failure Mode Alarm14Table 2-1. Standard Alarm and Saturation Values.14NOTE14NOTE14Alarm Level Verification14Transmitter Security141. Security Jumper: prevents all writes to transmitter configuration.152. Local Keys (Local Zero and Span) Software Lock Out: prevents changes to transmitter range points via local zero and span adjustment keys. With local keys security enabled, changes to configuration are possible via HART.153. Physical Removal of Local Keys (Local Zero and Span) Magnetic Buttons: removes ability to use local keys to make transmitter range point adjustments. With local keys security enabled, changes to configuration are possible via HART.15NOTE15Security Jumper (Write Protect)15Local Zero and Span (Local Keys) Software Lock Out15Physical Removal of Local Zero and Span (Local Keys)15Configuring Transmitter Alarm and Security Jumper Procedure151. If the transmitter is installed, secure the loop and remove power.152. Remove the housing cover opposite the field terminal side. Do not remove the transmitter covers in explosive atmospheres when the circuit is alive.153. Reposition the jumpers as desired.154. Reattach the transmitter cover. Transmitter covers must be fully engaged to meet explosionproof requirements.15Figure 2-1. Electronics Board.16Electronics Board16Figure 2-2. Rosemount 3051N with Optional LCD Meter.16NOTE16Commissioning the Rosemount 3051N with a HART-Based Communicator16Setting the Loop to Manual17Wiring Diagrams (Bench Hook-up)17Figure 2-3. Bench Hook-up (4–20 mA Transmitters).17Wiring Diagrams (Field Hook-up)18Figure 2-4. Field Hook-up (4–20 mA Transmitters).18Review Configuration Data19HART Comm191, 519NOTE19Check Output19Process Variables19HART Comm.19219NOTE20Sensor Temperature20HART Comm.201, 1, 420Basic Setup20Set Process Variable Units20HART Comm.201, 3, 220Set Output20HART Comm.201, 3, 520Figure 2-5. Square Root Output Transition Point.21Rerange21Rerange with a Communicator Only21HART Comm.211, 2, 3, 1, 121Note21Note22Rerange with a Pressure Input Source and a Communicator22HART Comm.221, 2, 3, 1, 222Note22Note22Rerange with a Pressure Input Source and the Local Zero and Span Buttons22Note221. Loosen the screw holding the label on top of the transmitter housing, and rotate the label to expose the zero and span buttons (see Figure 2-6).232. Using a pressure source with an accuracy three to ten times the desired calibrated accuracy, apply a pressure equivalent to the lower range value to the high side of the transmitter.233. To set the 4 mA point, press and hold the zero button for at least two seconds, then verify that the output is 4 mA. If a meter is installed, it will display ZERO PASS.234. Apply a pressure equivalent to the upper range value to the high side of the transmitter.235. To set the 20 mA point, press and hold the span button for at least two seconds, then verify that the output is 20 mA. If a meter is installed, it will display SPAN PASS.23Note23Figure 2-6. Local Zero and Span Adjustments.23Damping24HART Comm.241, 3, 624LCD Meter Options24HART Comm.241, 4, 3, 424Detailed Setup24Local Span and Zero Control (Local Keys)24HART Comm.241, 4, 4, 1, 724Note24Sensor Temperature Output Unit Selection24HART Comm.241, 4, 1, 2, 224Diagnostics and Service24Transmitter Test25HART Comm.251, 2, 1, 125Loop Test25HART Comm.251, 2, 2251. Connect a reference meter to the transmitter. To do so, either connect the meter to the test terminals on the transmitter terminal block, or shunt the power to the transmitter through the meter at some point in the loop.252. From the online screen, select 1 Device Setup, 2 Diagnostics and Service, 2 Loop Test, to prepare to perform a loop test.253. Select OK after you set the control loop to manual (see “Setting the loop to Manual”). The communicator displays the loop test menu.254. Select a discreet milliamp level for the transmitter to output. At the Choose analog output prompt, select 1 4mA, 2 20mA, or select 3 other to manually input a value. If you are performing a loop test to verify the output of a transmitter, then en...255. Check the electrical current meter installed in the test loop to verify that it reads the value you commanded the transmitter to output. If the readings match, then the transmitter and the loop are configured and functioning properly. If the readi...25Note25Calibration25Note26Table 2-2. Recommended Calibration Tasks.261. Set output configuration parameters:26a. Set the process variable units.26b. Set the output type.26c. Set the range points.26d. Set the damping value.262. Optional: Perform a full sensor trim. (Accurate multimeter required.)263. Optional: Perform an analog output trim. (Accurate multimeter required.)261. Reconfigure parameters if necessary.262. Zero trim the transmitter to compensate for mounting effects or static pressure effects.261. Set output configuration parameters:26a. Set the process variable units.26b. Set the output type.26c. Set the range points.26d. Set the damping value.262. Optional: Perform a full sensor trim if equipment available (accurate absolute pressure source required), otherwise perform the low trim value section of the full sensor trim procedure.263. Optional: Perform an analog output trim (accurate multimeter required).261. Reconfigure parameters if necessary.262. Perform low trim value section of the full sensor trim procedure to correct for mounting position effects.26Notes:26Calibration Overview27Configure the Analog Output Parameters27Calibrate the Sensor27Calibrate the 4–20 mA Output (Digital-to-Analog [D/A] Signal Conversion)271. A change in pressure is measured by a change in the sensor output (Sensor Signal).272. The sensor signal is converted to a digital format that can be understood by the microprocessor (Analog-to-Digital Signal Conversion).273. Corrections are performed in the microprocessor to obtain a digital representation of the process input (Digital PV).274. The Digital PV is converted to an analog value (Digital-to-Analog Signal Conversion).27Figure 2-7. Transmitter Data Flow with Calibration Options.28Transmitter Electronics Module28Deciding Which Trim Procedure to Use281. Connect a pressure source, a HART Communicator, and a digital readout device to the transmitter.282. Establish communication between the transmitter and the communicator.283. Apply pressure equal to the upper range point pressure (100 inH20, for example).284. Compare the applied pressure to the Process Variable (PV) line on the Communicator On-line Menu. If the PV reading on the communicator does not match the applied pressure, and you are confident that your test equipment is accurate, then perform a ...285. Compare the Analog Output (AO) line on the communicator on-line menu to the digital readout device. If the AO reading on the communicator does not match the digital readout device, and you are confident that your test equipment is accurate, then p...28Sensor Trim28Note29Figure 2-8. Typical Zero vs. Non-zero-Based Application Illustrations.29Zero-Based Flow Application29Zero Trim29HART Comm.291, 2, 3, 3, 1291. Vent the transmitter and attach a communicator to the measurement loop.292. From the communicator menu select 1 Device setup, 2 Diagnostics and service, 3 Calibration, 3 Sensor trim, 1 Zero trim to prepare to adjust the zero trim.29NOTE293. Follow the commands provided by the communicator to complete the adjustment of the zero trim.29Full Trim30HART Comm.301, 2, 3, 3301. Assemble and power the entire calibration system including a transmitter, HART Communicator, power supply, pressure input source, and readout device (see Figure 2-9).30Note302. From the communicator menu select 1 Device setup, 2 Diagnostics and service, 3 Calibration, 3 Sensor trim, 2 Lower sensor trim to prepare to adjust the lower trim point.30Note303. Follow the commands provided by the communicator to complete the adjustment of the lower value.304. Repeat the procedure for the upper value, replacing 2 Lower sensor trim with 3 Upper sensor trim in Step 2.30Figure 2-9. Digital Trim Connection Drawing (4–20 mA Transmitters).30Recall Factory Trim31Recall Factory Trim— Sensor Trim31HART Comm.311, 2, 3, 4, 131Recall Factory Trim— Analog Output31HART Comm.311, 2, 3, 4, 231Analog Output Trim31Digital-to-Analog Trim31HART Comm.311, 2, 3, 2, 1311. From the online screen, select 1 Device setup, 2 Diag/Service, 3 Calibration, 2 Trim Analog Output, 1 Digital-to-Analog Trim. Select OK after you set the control loop to manual (see “Setting the Loop to Manual” on page 2-5).312. Connect an accurate reference ammeter to the transmitter at the Connect reference meter prompt. To do so, connect the positive lead to the positive terminal and the negative lead to the test terminal in the transmitter terminal compartment, or shu...313. Select OK after connecting the reference meter.314. Select OK at the Setting fld dev output to 4 mA prompt. The transmitter outputs 4.00 mA.315. Record the actual value from the reference meter, and enter it at the Enter meter value prompt. The communicator prompts you to verify whether or not the output value equals the value on the reference meter.316. Select 1 Yes if the reference meter value equals the transmitter output value, or 2 No if it does not. If you select 1 Yes, then proceed to Step 7. If you select 2 No, then repeat Step 5.317. Select OK at the Setting fld dev output to 20 mA prompt, and repeat Steps 5 and 6 until the reference meter value equals the transmitter output value.318. Select OK after you return the control loop to automatic control.31Digital-to-Analog Trim Using Other Scale31HART Comm.311, 2, 3, 2, 231Note32Compensating Rosemount 3051N Range 4 and 5 Differential Transmitters for Line Pressure32Note33Section 3 Installation35Overview page 3-135Overview35Safety Messages35Warnings35Figure 3-1. Typical Installation Flowchart.37START HERE37General Considerations38Special Draft Range Considerations38Installation38Reducing Process Noise38Output Damping38Reference Side Filtering38Important38Mechanical Considerations38Note38Note39Note39Note39Figure 3-2. Coplanar Flange Mounting Configurations with Optional Bracket (Code B4) for Panel Mounting39Figure 3-3. Rosemount 3051N Coplanar Flange Dimensional Drawing (Differential Pressure Transmitter Shown)40Figure 3-4. Traditional Flange Mounting Configurations with Optional Brackets for Panel Mounting412.63 (66.8)41Figure 3-5. Traditional Flange (Option Code H2) Dimensional Drawing42Mounting43Note43Mounting Requirements43Liquid Flow Measurement43Gas Flow Measurement43Steam Flow Measurement43Note44Figure 3-6. Typical Installation Examples to Illustrate Transmitter and Impulse Piping Locations.45Impulse Piping45Process Connections46Housing Rotation461. Loosen the housing rotation set screw using a 9/64-in. hex wrench.462. Turn the housing up to 180 degrees to the left or right of its original (as shipped) position. Do not rotate the housing more than 180 degrees. Over-rotation will sever the electrical connection between the sensor module and the electronics module.463. Retighten the housing rotation set screw.46Electrical Considerations46Power Supply464–20 mA Transmitters46Note46Figure 3-7. Power Supply Load Limitations.47Wiring471. Remove the housing cover on the side marked “FIELD TERMINALS.” Do not remove the cover in explosive atmospheres when the circuit is alive. All power to the transmitter is supplied over the signal wiring.472. Connect the lead that originates at the positive side of the power supply to the terminal marked “+” and the lead that originates from the negative side of the power supply to the terminal marked “–”. Avoid contact with the leads and ter...473. Plug and seal unused conduit connections on the transmitter housing to avoid moisture accumulation in the terminal side of the housing. If you do not seal the unused connections, mount the transmitter with the electrical housing positioned downwar...47Note47Signal Wiring Grounding47Grounding the Transmitter Case48Note48Environmental Considerations48Access Requirements48Process Flange Orientation48Housing Rotation48Terminal Side of Electronics Housing48Circuit Side of Electronics Housing48Exterior of Electronics Housing48Cover Installation48Section 4 Troubleshooting49Overview page 4-149Overview49Safety Messages49Warnings49Table 4-1. Rosemount 3051N Troubleshooting Chart.50Returning Rosemount Products and Materials50Section 5 Specifications and Reference Data51Nuclear Specifications page 5-151Nuclear Specifications51Seismic51Table 5-1. Seismic Specifications Summary51Environmental52Quality Assurance Program52Nuclear Cleaning52Hydrostatic Testing52Performance Specifications53Reference Accuracy53Rosemount 3051ND53Rosemount 3051NG53Rosemount 3051NA53Drift53Rosemount 3051ND, NG, NA53Ambient Temperature Effect(1)53Rosemount 3051ND/NG53Rosemount 3051NA53Overpressure Effect54Rosemount 3051ND54Rosemount 3051NG54Rosemount 3051NA54Static Pressure Effect54Rosemount 3051ND54Rosemount 3051ND54Power Supply Effect54Load Effect54Mounting Position Effect54Rosemount 3051ND/NG54Rosemount 3051NA54Functional Specifications55Service55Output55Power Supply55Temperature Limits55Ambient55Process55Storage55Span and Zero, Zero Elevation, and Suppression56Table 5-2. Rosemount 3051ND and 3051NG Range and Sensor Limits56Table 5-3. Rosemount 3051NA Range and Sensor Limits56Humidity Limits56Volumetric Displacement56Turn-on Time56Response Time56Dead Time (Td)56Update Rate56Minimum Time Constant (Tc)56Adjustable Damping56Figure 5-1. Typical Smart Transmitter Response Time57Maximum Working Pressure57Rosemount 3051ND57Rosemount 3051NG and Rosemount 3051NA57Static Pressure Limits57Rosemount 3051ND only57Overpressure Limits57Rosemount 3051ND/NG57Rosemount 3051NA57Burst Pressure57Physical Specifications58Materials of Construction58Isolating Diaphragms58Drain/Vent Valves58Process Flanges58Process O-rings58Fill Fluid58Flange Bolts58Electronics Housing58Non-wetted O-rings58Sensor Module Housing58Mounting Bracket58Mounting Bolts (bracket-to-transmitter)58Process Connections58Electrical Connections58Weight58Ordering Information60Note61Configuration Information61Rosemount 3051N 4-20 mA/HART Output Smart Pressure Transmitters Typical Configuration Data Worksheet62Figure 5-2. Rosemount 3051N Exploded View (with Coplanar Process Flange).64Section 6 Options67Overview page 6-167Overview67Safety Messages67Warnings67LCD Meter67Custom Meter Configuration681. Connect the communicator to the transmitter. Before connecting a communicator in an explosive atmosphere, make sure the instruments in the loop are installed according to intrinsically safe or nonincendive field wiring practices.682. From the Online screen, select 1 Device Setup, 3 Basic Setup, 7 Meter Options, 2 Custom Meter Setup.683. To specify decimal point position:68a. Select 1 Sel dec pt pos. Choose the decimal point representation that will provide the most accurate output for your application. For example, when outputting between 0 and 75 GPM, choose XX.XXX.68b. Go to Step 8.684. To specify a custom upper range value:68a. Select 2 CM Upper Value. Type the value that you want the transmitter to read at the 20 mA point.68b. Go to Step 8.685. To specify a custom lower range value:68a. Select 3 CM Lower Value. Type the value that you want the transmitter to read at the 4 mA point.68b. Go to Step 8.686. To define custom units:68a. Select 4 CM Units. Enter the custom units (five characters maximum) that you want the meter to display.68b. Go to Step 8.687. To choose the transmitter transfer function for the meter:68a. Select 5 CM xfer fnct. Enter the transmitter transfer function for the meter. Select sq root to display flow units. The custom meter transfer function is independent of the analog output transfer function.698. Select Send (F2) to upload the configuration to the transmitter.69Figure 6-1. Exploded View of the Rosemount 3051N with Optional LCD Meter.69Installing the Meter691. If the transmitter is installed in a loop, then secure the loop and disconnect power.692. Remove the transmitter cover opposite the field terminal side. Do not remove the instrument covers in explosive environments when the circuit is alive.693. Remove the failure mode and alarm jumpers from the electronics module and insert them in their new positions above and below the meter readout on the meter assembly.694. Insert the interconnection header in the ten-pin socket exposed by removal of the jumpers.705. Remove the two captive screws from the electronics module. To do so, loosen the screws to release the module, then pull out the screws until they are stopped by the captive thread inside of the circuit board standoffs. Continue loosening the screw...706. If necessary, rotate the electronics housing up to 180 degrees (left or right) to improve field access or to better view the LCD meter. To rotate the housing:70a. Loosen the housing rotation set screw using a 9/64-in. hex wrench.70b. Turn the housing up to 180 degrees to the left or right of its original (as shipped) position. Do not rotate the housing more than 180 degrees. Over-rotation will sever the electrical connection between the sensor module and the electronics module.70c. Retighten the housing rotation set screw.707. Decide which direction to orient the meter. Insert the long meter screws into the two holes on the meter assembly that coincide with the holes on the electronics module. You can install the meter in 90-degree increments for easy viewing. Position ...708. Attach the meter assembly to the electronics module by threading the screws into the captive threads and attaching the meter assembly to the interconnection pins. Tighten the screws to secure the meter assembly and electronics board in place.709. Attach and tighten the extended cover. Transmitter covers must be fully engaged to meet explosion proof requirements and to achieve the proper environmental seal.70Note70Figure 6-2. Rosemount 3051N with Optional LCD Meter.71Diagnostic Messages71Error71Fail71Fail Module71Fail Elect72Fail Config72Warnings72Press Limit72Temp Limit72Curr Saturd72Loop Test72Xmtr Info72Operation73Zero Pass73Zero Fail73Span Pass73Span Fail73Local Dsbld73Write Protect73Mounting Brackets73Traditional Flange (H2)74Figure 6-3. Typical Traditional Flange.74Traditional Flange and Rosemount 3051N74Transient Protection Terminal Block (T1)74Note74Figure 6-4. Transient Protection Terminal Block (T1).75Appendix A HART Communicator77Introduction page A-177Introduction77Note77Safety Messages77Warnings78Figure A-1. HART Communicator Typical Abbreviated Menu Tree for Rosemount 3051.79Table A-1. Typical HART Fast Key Sequences for the Rosemount 3051 (partial listing).80NOTE80Connections and Hardware81Note81Figure A-2. Rosemount 275 Rear Connection Panel with Optional NiCad Recharger Pack.81Note81Figure A-3. Rosemount 375 HART terminal access door.81Figure A-4. Bench Hook-up (4–20 mA Transmitters).82Figure A-5. Field Hook-up (4–20 mA Transmitters).82Rosemount 27583Communicator Keys83Figure A-6. Rosemount 275 HART Communicator.83Action Keys83On/Off Key83Directional Keys83Hot Key84Function Keys84Alphanumeric and Shift Keys84Figure A-7. HART Communicator Alphanumeric and Shift Keys.84Data Entry84Figure A-8. Data Entry Key Sequence.84Fast Key Sequences85Fast Key Sequence Conventions85Fast Key Sequence Example85Menus and Functions85Main Menu85Note86Online Menu86NOTE86Rosemount 37587Communicator Keys87Figure A-9. Rosemount 375 HART Communicator.87Action Keys87On/Off Key87Arrow Navigation Keys87Enter Key88Tab Key88Alphanumeric Keys88Figure A-10. Keypad button functionality example.88Function Key88Multifunction LED88Table A-2. Multifunction LED88Touch Screen88Using the Soft Input Panel (SIP) keyboard89Menus and Functions89Interpreting the HART Icon89HART Application Startup891. Turn on the Rosemount 375 Field Communicator. The Rosemount 375 Main Menu is displayed with HART as the default application.892. Double-tap HART Application. If a live HART device is connected to the Rosemount 375 HART Field Communicator, the HART Application main menu will be displayed automatically with key parameters from the connected device. If a device is not connecte...89Main Menu89Fast Key Sequences90Hot Key options901. Connect the Rosemount 375 Field Communicator to a HART loop or device.902. Tap the Hot Key. The Hot Key menu is displayed.903. Double-tap the desired option.90Diagnostic Messages90Glossary95Analog Output Trim95Cloning95Commissioning95Configuration95Damping95Descriptor95Digital Trim95Failure Mode Alarm95Factory Characterization95Full Trim95HART (Highway Addressable Remote Transducer) Protocol95Lower Range Limit (LRL)95Lower Range Value (LRV)96Multidropping96Reranging96Send Data96Sensor Trim96Smart96SMART FAMILY96Span96Tag96Transmitter Address96Transmitter Security96Upper Range Limit (URL)96Upper Range Value (URV)96Zero Trim96Size: 4.1 MBPages: 100Language: EnglishOpen manual