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Figure 7-2: Changes in Process Noise or Variability and Affect on Statistical
Parameters

A. Normal.

B. Increased noise.

C. Reduced noise.

D. Standard deviation increases or decreases with changing noise level.

E. Mean is unchanged.

The device can provide the statistical information in two ways. First, it can make the
statistical parameters available to the host system directly via F

OUNDATION

™

Fieldbus

communication protocol or FF to other protocol converters. Once available, the system
may make use of these statistical parameters to indicate or detect a change in process
conditions. In the simplest example, the statistical values may be stored in the DCS
historian. If a process upset or equipment problem occurs, these values can be examined

Reference Manual

Advanced pressure diagnostics

00809-0100-4774

July 2020

Reference Manual

121

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Summary of Contents for Rosemount 3051 CF Series

Page 1: ...Reference Manual 00809 0100 4774 Rev DB July 2020 Rosemount 3051 Pressure Transmitter with FOUNDATION Fieldbus Protocol ...

Page 2: ... Install and tighten process connectors before applying pressure Do not attempt to loosen or remove flange bolts while the transmitter is in service Electrical shock Electrical shock can result in death or serious injury Avoid contact with the leads and terminals High voltage that may be present on leads can cause electrical shock Replacement equipment Replacement equipment or spare parts not appr...

Page 3: ...igned 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 3 ...

Page 4: ...4 ...

Page 5: ...on 57 3 1 Overview 57 3 2 Safety messages 57 3 3 Installation considerations 58 3 4 Tagging 59 3 5 Installation procedures 60 3 6 Rosemount 305 306 and 304 manifolds 71 Chapter 4 Electrical installation 83 4 1 Overview 83 4 2 Safety messages 83 4 3 LCD display 84 4 4 Configuring transmitter security and simulation 84 4 5 Electrical considerations 86 4 6 Wiring 87 Chapter 5 Operation and maintenanc...

Page 6: ... diagnostics 119 7 1 Overview 119 7 2 Process Intelligence 119 7 3 PIL diagnostics 120 7 4 Process Intelligence technology 120 7 5 SPM configuration and operation 124 7 6 Plugged impulse line detection using SPM 130 Appendix A Reference data 137 A 1 Ordering information specifications and drawings 137 A 2 Product certifications 137 Appendix B Field Communicator 139 B 1 Field Communicator menu tree...

Page 7: ...pecifications ordering information and dimensional drawings Field Communicator menu trees and fast keys provides full menu trees and abbreviated Fast Key sequences for commissioning tasks 1 2 Models covered The following Rosemount 3051 Transmitters are covered by this manual Rosemount 3051C Coplanar Pressure Transmitter Measures differential and gage pressure up to 2000 psi 137 9 bar Measures abso...

Page 8: ... on Fieldbus org The DTM can be found at Emerson com The current release of the Rosemount 3051 with Foundation Fieldbus protocol is device revision 8 This manual is for revision 8 1 4 Product recycling disposal Consider recycling equipment Dispose of packaging in accordance with local and national legislations regulations Introduction Reference Manual July 2020 00809 0100 4774 8 Rosemount 3051 ...

Page 9: ...ansmitter covers when power is applied to the unit Process leaks Install and tighten process connectors before applying pressure Electrical shock Avoid contact with the leads and terminals High voltage that may be present on leads can cause electrical shock Static electricity Observe safe handling precautions for static sensitive components Conduit cable entries Unless marked the conduit cable ent...

Page 10: ...of any security program and fundamental to protecting your system Restrict physical access by unauthorized personnel to protect end users assets This is true for all systems used within the facility 2 2 1 Device Description DD and Device Type Manager DTM based interfaces The Rosemount 3051Pressure Transmitter Rev 8 has both DD based and DTM based user interfaces available All device configuration ...

Page 11: ...tree entry has a dedicated screen see Figure 2 3 On PC based user interfaces several menu tree entries may be displayed on a single screen with each menu tree entry used as the heading for a section of that screen see Figure 2 2 The net result is that you can use the menu tree to navigate all DD s and DTM s however you may need to perform actions on one screen or several screens to perform the sam...

Page 12: ...hes of the menu tree These branches are Overview Configure and Service Tools From this screen select any of the three main branches to access detailed device functionality Note Some tasks can be performed from multiple locations on the menu tree This is done to allow you to perform related tasks with a minimum of screen changes and keystrokes The organization of the device menu tree is further des...

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Page 14: ...eps If you are not familiar with a specific task Emerson recommends guided setup so task steps are done in the correct order and all needed steps are performed Figure 2 7 Classic View ODVVLF 9LHZ 9LHZ OO 3DUDPHWHUV 0RGH 6XPPDU 0DVWHU 5HVHW 9LHZ OO 3DUDPHWHUV 5HVRXUFH ORFN 6HQVRU 7UDQVGXFHU ORFN ORFN 630 ORFN 0RGH 6XPPDU 5HWXUQ OO WR 6HUYLFH 3XW OO 2XW RI 6HUYLFH 5HVRXUFH ORFN ದ 0RGH KDQJH 6HQVRU 7...

Page 15: ...ctory default Device alerts and PlantWeb alerts Note the diagnostics performed and the recommended actions for NE107 alerts and Plantweb alerts are identical The only difference is that NE107 alerts and Plantweb alerts annunciate the alerts using different categories NE107 requires device manufacturers to provide a way for you to enable suppress and re categorize alerts NE107 alerts can be defined...

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Page 18: ...6LPXODWLRQ ULWH RFN 6HWXS XLGHG 6HWXS HUR 7ULP KDQJH DPSLQJ RFDO LVSOD 6HWXS RQILJXUH QDORJ QSXW ORFNV DVLF 630 6HWXS Black text Navigation selection available Text Name of selection used on parent menu screen to access this screen Green text Automated methods Red text Configuration task numbers from configuration flow chart 2 2 8 Navigation To navigate click the navigation button labeled with the...

Page 19: ... to the values that existed before the terminated task was started If you are not very familiar with a device consider using guided configuration Manual setup with manual and automated task procedures If you are familiar with the mode changes and configuration steps needed to complete a task and properly return the device to service you can use manual setup You can also use manual setup used when ...

Page 20: ...aded on your systems to ensure proper communications Download the latest DD at Emerson com or Fieldbus org In the Browse by Member dropdown menu select Rosemount business unit of Emerson Select desired product Use the device revision numbers to find the correct Device Driver Table 2 1 FOUNDATION Fieldbus Device Revisions and Files Device revision 1 Host Device driver DD 2 DD download web address D...

Page 21: ...0 VCRs Two are permanent and 18 are fully configurable by the host system 25 link objects are available Network parameter Value Slot time 6 Maximum response delay 4 Maximum inactivity to claim LAS delay 47 Minimum inter DLPDU delay 7 Time sync class 4 1 ms Maximum scheduling overhead 21 Per CLPDU PhL overhead 4 Maximum inter channel signal skew 0 Required number of post transmission gab ext units ...

Page 22: ...tion including the sensor diagnostics and the ability to trim the pressure sensor or recall factory calibration LCD display transducer block The LCD display transducer block is used to configure the LCD display meter Statistical process monitoring SPM block The SPM block is available on a new transmitter if the D01 option is ordered With this block you can view configure and monitor the statistica...

Page 23: ...uging ratio control and others Signal characterizer block The signal characterizer SGCR function block characterizes or approximates any function that defines an input output relationship The function is defined by configuring as many as 20 X Y coordinates The block interpolates an output value for a given input value using the curve defined by the configured coordinates You can process two separa...

Page 24: ...esses 1600 and higher are instantiated and can be deleted 2 5 2 Modes The resource transducer and all function blocks in the device have modes of operation These modes govern the operation of the block Every block supports both automatic AUTO and out of service OOS modes The blocks may also support other modes Changing modes To change the operating mode set the MODE_BLK TARGET to the desired mode ...

Page 25: ... ROut IMan and LO For more information see the Function Block Reference Manual Mode propagation Note When an upstream block is set to OOS this will impact the output status of all downstream blocks The figure below depicts the hierarchy of blocks 2 5 3 Block instantiation When a device supports block instantiation you can define the number of blocks and block types to match specific application ne...

Page 26: ...re supported by the transmitter See the Specifications section of the Rosemount 3051S Product Data Sheet for the complete list Use FEATURES_SEL to turn on any of the supported features that are found in the FEATURES parameter UNICODE All configurable string variables in the transmitter except tag names are octet strings You may use either ASCII or Unicode If the configuration device is generating ...

Page 27: ...s are reported 2 6 3 Alerts alarms The transmitter annunciates alerts as either Plantweb or NE107 Status Signals All alerts are configured masked and mapped as NE 107 Status Signals If the control host is DeltaV version 11 5 or older alerts are automatically annunciated as PlantWeb Alerts No user configuration is needed for this conversion The alerts and recommended actions should be used in conju...

Page 28: ... conditions will be reported NE 107 mapping can be user modified 4 Masking of conditions determines which conditions are reported to the host and which are not by status signal All status signals remain 5 Unmasked active conditions are reported to the host The unmasked or PlantWeb Alert Sensor Status condition 1 Detailed Status Sensor Status condition N Electronics Status condition 1 Electronics S...

Page 29: ... Active device diagnostics are still shown within the Device Description even if the alert has been cleared 1 The associated alert is not sent as a notification If the priority is above 1 then the alert must be reported 2 Reserved for alerts that do not require the attention of a plant operator e g diagnostic and system alerts Block alert error alert and update event have a fixed priority of 2 3 7...

Page 30: ...status signal indicates a failure within a device that will make the device or some part of the device non operational This implies that the process variable may no longer be available and the device is in need of immediate repair 2 FD_OFFSPEC_ACTIVE a Pressure out of limits b Sensor temperature out of limits A FD_OFFSPEC_ACTIVE status signal indicates that the device is experiencing pressure or t...

Page 31: ...ignals 4 FD_CHECK_MASK to mask FD_CHECK_ACTIVE status signals If you configure a consolidated diagnostic condition to annunciate in multiple status signal categories it can be masked in one or several status signal categories but left active and annunciate in others This provides significant flexibility but can lead to confusion when responding to alerts Generally alert conditions are assigned to ...

Page 32: ...s reported in each parameter are 1 FAILED_ALM a Incompatible module b Sensor failure c Electronics failure A FAILED_ALM indicates a failure within a device that will make the device or some part of the device non operational This implies that the process variable may no longer be available and the device is in need of immediate repair 2 MAINT_ALM a Pressure out of limits b Sensor temperature out o...

Page 33: ...etup is the same as in the Quick Start Guide Reference Analog input AI function block through Advanced device setup for more detailed configuration information 2 7 1 Configure Each FOUNDATION Fieldbus host or configuration tool has a different way of displaying and performing configurations Some use DD methods for configuration and to display data consistently across platforms There is no requirem...

Page 34: ...AI Blocks Channel Mapping Master Reset Process Variable Pressure Pressure Damping Sensor Temperature Change Damping 7 9 Security Simulation Write Lock Setup 2 10 Guided Setup Zero Trim Change Damping 7 9 Local Display Setup 8 9 Configure Analog Input Blocks 3 4 5 6 Standard Text Navigation selections available Text Name of selection used on parent menu screen to access this screen Bold Text Automa...

Page 35: ...oftware write lock Note Place the control loop in Manual mode before beginning analog input block configuration Note Always check and reconcile function block configuration with the exception of resource and transducer blocks after commissioning the transmitter to the control host You may not save function block configuration including AI blocks made prior to device commissioning to the control ho...

Page 36: ...r AI blocks Channel 1 is the primary variable Channel 2 is the sensor temperature If the FOUNDATION Fieldbus Diagnostics Option Code D01 is enabled these additional channels are available Channel 12 is the SPM mean Channel 13 is the SPM standard deviation To configure SPM refer to Advanced pressure diagnostics Note Step 3 through Step 6 are all performed in a single step by step method under guide...

Page 37: ...Block in AUTO mode to return the device to service Guided Setup does this automatically 5 If L_TYPE is Indirect Square Root a LOW FLOW CUTOFF function is available a Enable LOW FLOW CUTOFF b Set the LOW_CUT VALUE in XD_SCALE UNITS c You may place the AI Block in AUTO mode to return the device to service Guided Setup does this automatically 6 Change damping To use guided setup Navigate to Configure...

Page 38: ...guided setup navigation sequences for AI Block Unit Setup Change Damping and Set up LCD Display b Change any values as necessary c Return to the Overview screen d If mode is Not in Service click the Change button and then click Return All to Service Note If hardware or software write protection is not needed you can skip Step 9 9 Set switches and software write lock a Check switches see Figure 1 N...

Page 39: ...parameters are described below with example configurations shown at the end of this section AI block configuration edits Note Always check and reconcile function block configuration with the exception of resource and transducer blocks after commissioning the transmitter to the control host You may not save function block configuration including AI blocks made prior to device commissioning to the c...

Page 40: ...measurement pressure or sensor temperature Indirect Select indirect when the desired output is a calculated measurement based on the sensor measurement e g a pressure measurement is made to determine level in a tank The relationship between the sensor measurement and the calculated measurement will be linear Indirect square root Select indirect square root when the desired output is an inferred me...

Page 41: ...ngineering Units Note Select only the units that are supported by the device Pa bar torr at 0 C ft H2O at 4 C m H2O at 4 C kPa mbar kg cm2 ft H2O at 60 F mm Hg at 0 C mPa psf kg m2 ft H2O at 68 F cm Hg at 0 C hPa Atm in H2Oat 4 C mm H2O at 4 C in Hg at 0 C Deg C psi in H2O at 60 F mm H2O at 68 C m Hg at 0 C Deg F g cm2 in H2O at 68 F cm H2O at 4 C Out_Scale Scale and engineering units Note When th...

Page 42: ...ro based measurement devices such as flowmeters Note Low cutoff is the only I O option supported by the AI block Set the I O option in manual or out of service mode only Process alarms Process alarms are part of the process loop control strategy They are configured in the control host Process alarm configuration is not included in the configuration menu tree See your control host documentation for...

Page 43: ...rted by the AI block are shown below Propagate fault forward If the status from the sensor is Bad Device failure or Bad Sensor failure propagate it to OUT without generating an alarm The use of these sub status in OUT is determined by this option Through this option the user may determine whether alarming sending of an alert will be done by the block or propagated downstream for alarming Uncertain...

Page 44: ...ly Do not interpret the starting screen used in the manual as the preferred starting screen Note Physical layout of the parameters on the screen may be different for different configuration tools The parameters parameter names and operations performed will be consistent regardless of screen layout Note Before performing any configuration or service task contact the control room and have the loop p...

Page 45: ...new damping value in seconds 3 The device returns to Auto mode 2 9 3 Gauge scaling Menu navigation Overview Use scale gaugesto change the scaling displayed on the gauges used to view variables From the Overview screen click the Scale Gauges button An automated task procedure called a Method guides you through scaling the gauges Procedure 1 Enter the desired value for the lower range of the pressur...

Page 46: ...ducer block Menu navigation Configure Manual Setup Display The local display can be configured using guided setup or manual setup Basic display setup Basic display setup provides a check the box way for the user to configure up to four parameters to display on the LCD display These parameters are displayed on a rotating basis Procedure 1 Check the box next to each parameter the LCD display should ...

Page 47: ... where you can configure parameters from any function block in the device to be displayed on the LCD display Setup is a two step process First define each of up to four parameters To define a parameter select the Block Type Parameter Index and Units Type from dropdown menus You can enter Block Tag Custom Tag and Custom Units Once you have defined all desired parameters select parameters for displa...

Page 48: ...inked to it may not function as anticipated The Rosemount 3051 DD s and DTM s have automated procedures that manage transducer resource and analog input block modes placing them out of service to allow configuration then returning them to auto mode when the configuration task is completed or canceled If you complete tasks with manual procedures you are responsible for managing modes The Mode Summa...

Page 49: ...e same way One example is shown Ne107 alerts category configuration NE107 alerts are divided into Device alerts Process alerts or Diagnostics alerts Each alert type has a dedicated Configuration screen and a dedicated Suppress Alerts screen The Configure Device Alerts screen is used here See Alerts alarms for more information on the conditions of each The alerts are categorized as Failure alerts O...

Page 50: ...category Alerts suppression Menu Navigation Configure Alert Setup Device Alerts OR Process Alerts OR Diagnostic Alerts Once you have configured alerts you can suppress them To suppress alerts click Suppressed Device Alerts on the Configuration screen You can suppress alerts by selecting the check box next to the alert To stop suppressing an alert deselect the check box suppressing the alert Config...

Page 51: ...d for training or to verify alert configuration Menu navigation Service Tools Simulate To enable alert simulation click the Enable Disable Alerts Simulation button When simulate is active it will display on the screen Once alerts simulation is active you can simulate individual alerts by checking the check box next to the desired alert condition The device status indication located on the upper ri...

Page 52: ...imulation is 3 A screen is displayed stating Alert Simulation is enabled 4 The screen presents the question Do you want to disable alerts simulation Below this sentence are two radio buttons labeled Yes and No Click Yes 2 9 8 Statistical Process Monitoring SPM Note Set up SPM in the SPM transducer block For block oriented user interfaces configure SPM in the SPM transducer block Menu navigation Co...

Page 53: ...ion 3 Enter the thresholds in percent a The first threshold is the Mean Change that will trigger an alert b The second threshold is the High Variation Limit that will trigger an alert Typical values are from 40 80 percent c The third threshold is the Low Dynamics Limit that will trigger an alert d Filtering is selected or disabled 4 Enable software write lock Example Note To enable or disable moni...

Page 54: ...e lock the position of the hardware lock switch on the transmitter electronics board will determine if device writes are permitted Hardware write lock is typically used to prevent writes from a remote location Software write lock is used to prevent local or remote writes unless the write lock is disabled When the write lock procedure is initiated it first informs you if write lock is currently ena...

Page 55: ... D Enable E Disable F Simulate enable disable switch The screen shown in Figure 2 24 above allows you to see if the device has simulation active to see if any form of write lock is active and to configure hardware and software write lock Reference Manual Configuration 00809 0100 4774 July 2020 Reference Manual 55 ...

Page 56: ...Configuration Reference Manual July 2020 00809 0100 4774 56 Rosemount 3051 ...

Page 57: ...njury Installation of device in an explosive environment must be in accordance with appropriate local national and international standards codes and practices Before connecting a handheld communicator in an explosive atmosphere ensure that the instruments in the loop are installed in accordance with intrinsically safe or non incendive field wiring practices In an explosion proof flameproof install...

Page 58: ...all the enclosed pipe plug found in the box in unused housing conduit opening with a minimum of five threads of engagement to comply with explosion proof requirements For material compatibility considerations refer to Material Selection Technical Note 3 3 1 Mechanical considerations Steam service For steam service or for applications with process temperatures greater than the limits of the transmi...

Page 59: ... lower location of the commissioning tag Tear off the bottom portion for each device on the segment and use it for commissioning the segment in the control system Figure 3 1 Commissioning Tag Commissioning Tag DEVICE ID 0011513051010001440 121698091725 DEVICE REVISION 7 2 PHYSICAL DEVICE TAG DEVICE ID 0011513051010001440 121698091725 DEVICE REVISION 7 2 S N PHYSICAL DEVICE TAG Device Barcode A Com...

Page 60: ...ing the transmitter in any other position will shift the zero point to the equivalent amount of liquid head pressure caused by the varied mounting position To reset zero point refer to Sensor trim overview Housing rotation To improve field access to wiring or to better view the optional LCD display Procedure 1 Loosen the housing rotation set screw using a 5 64 in hex wrench 2 Turn the housing left...

Page 61: ...ote The use of a pin or ferrule wire terminal is not recommended as the connection may be more susceptible to loosening over time or under vibration Mounting brackets Table 3 1 Mounting Brackets Option code Process connections Mounting Materials Coplanar In Line Traditional Pipe mount Panel mount Flat panel mount CS bracket SST bracket CS bolts SST bolts B4 X X N A X X X N A X N A X B1 N A N A X X...

Page 62: ...king may be any letter between A and M Figure 3 4 Mounting Bracket Option Codes B1 B7 and BA Dimensions are in inches millimeters Figure 3 5 Panel Mounting Bracket Option Codes B2 and B8 3 75 95 1 63 41 4 09 104 2 81 71 4 5 114 A 1 405 35 7 1 405 35 7 1 40 36 A Mounting holes 0 375 in diameter 10 Dimensions are in inches millimeters Hardware installation Reference Manual July 2020 00809 0100 4774 ...

Page 63: ... the transmitter with a coplanar flange or a traditional flange installed with four 1 75 in flange bolts Mounting bolts and bolting configurations for the coplanar and traditional flanges can be found in Bolt installation Stainless steel bolts supplied by Emerson are coated with a lubricant to ease installation Carbon steel bolts do not require lubrication Do not apply additional lubricant when in...

Page 64: ...nsmitter and may render the instrument dangerous Use only bolts supplied or sold by Emerson as spare parts Table 3 2 Bolt Installation Torque Values Bolt material Initial torque value Final torque value CS ASTM A445 standard 300 in lb 34 N m 650 in lb 73 N m Austemitic 316 SST Option L4 150 in lb 17 N m 300 in lb 34 N m ASTM A193 Grade B7M Option L5 300 in lb 34 N m 650 in lb 73 N m Alloy K 500 Op...

Page 65: ...d absolute transmitters 150 38 2 Figure 3 9 Mounting Bolts and Bolt Configurations for Coplanar Flange Transmitter with flange bolts Transmitter with flange adapters and flange adapter bolts Dimensions are in inches millimeters Reference Manual Hardware installation 00809 0100 4774 July 2020 Reference Manual 65 ...

Page 66: ...vent sediment deposits on the transmitter s process isolators Mount the transmitter beside or below the taps so gases can vent into the process line Mount drain vent valve upward to allow gases to vent Gas measurement Place taps in the top or side of the line Mount the transmitter beside or above the taps so liquid will drain into the process line Steam measurement Place taps to the side of the li...

Page 67: ...n for the transmitter in relation to the process pipe is dependent on the process Use the following guidelines to determine transmitter location and placement of impulse piping Keep impulse piping as short as possible For liquid service slope the impulse piping at least 1 in ft 8 cm m upward from the transmitter toward the process connection For gas service slope the impulse piping at least 1 in f...

Page 68: ...adapters are available with standard 14 NPT Class 2 connections The flange adapters allow you to disconnect from the process by removing the flange adapter bolts Use plant approved lubricant or sealant when making the process connections Refer to the Dimensional drawings section in the Rosemount 3051 Product Data Sheet to see the distance between pressure connections This distance may be varied in...

Page 69: ...h can result in death or serious injury The two flange adapters are distinguished by unique O ring grooves Only use the O ring that is designed for its specific flange adapter as shown below A Flange adapter B O ring C PFTE based D Elastomer When compressed PTFE O rings tend to cold flow which aids in their sealing capabilities Note Replace PTFE O rings if the flange adapter is removed Reference M...

Page 70: ...he housing and sensor see Figure 3 11 Keep the vent path free of any obstruction such as paint dust and lubrication by mounting the transmitter so that the process can drain away Figure 3 11 Inline Gage Low Side Pressure Port A A Low side pressure port atmospheric reference CAUTION Electronics damage Rotation between the sensor module and the process connection can damage the electronics Do not ap...

Page 71: ...es traditional and coplanar The traditional Rosemount 305 integral manifold can be mounted to most primary elements with mounting adapters in the market today The Rosemount 306 integral manifold is used with the Rosemount 3051T In Line Transmitters to provide block and bleed valve capabilities of up to 10000 psi 690 bar Reference Manual Hardware installation 00809 0100 4774 July 2020 Reference Man...

Page 72: ...cedure 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 Important If replacing the O rings take care not to scratch or deface the O ring grooves or the surface of the isolating diaphragm while you remove the damaged O rings 2 Install the Integral Manifo...

Page 73: ...ten the bolts then tighten the bolts incrementally in a cross pattern to final torque value When fully tightened the bolts should extend through the top of the sensor module housing 3 Leak check assembly to maximum pressure range of transmitter 3 6 4 Manifold operation WARNING Improper installation or operation of manifolds may result in process leaks which may cause death or serious injury Always...

Page 74: ...ed D Process E Isolate closed F Drain vent valve 2 Open the equalize valve to equalize the pressure on both sides of the transmitter The manifold is now in the proper configuration for performing a zero trim on the transmitter A Drain vent valve B Isolate open C Equalize open D Process E Isolate closed F Drain vent valve 3 After zeroing the transmitter close the equalize valve Hardware installatio...

Page 75: ...ocess E Isolate open F Drain vent valve Operate five valve natural gas manifold Performing zero trim at static line pressure Five valve natural gas configurations shown In normal operation the two isolate block valves between the process ports and the transmitter will be open and the equalize valves will be closed Vent valves may be open or closed Reference Manual Hardware installation 00809 0100 ...

Page 76: ...he isolate valve on the low pressure downstream side of the transmitter and the vent valve A Isolate open B Process C Equalize closed D Equalize closed E Drain vent closed F Process G Isolate closed 2 Open the equalize valve on the high pressure upstream side of the transmitter Hardware installation Reference Manual July 2020 00809 0100 4774 76 Rosemount 3051 ...

Page 77: ...itter The manifold is now in the proper configuration for zeroing the transmitter A Isolate open B Process C Equalize open D Equalize open E Drain vent closed F Process G Isolate closed 4 After zeroing the transmitter close the equalize valve on the low pressure downstream side of the transmitter Reference Manual Hardware installation 00809 0100 4774 July 2020 Reference Manual 77 ...

Page 78: ...upstream side A Isolate open B Process C Equalize closed D Equalize closed E Drain vent closed F Process G Isolate closed 6 Finally to return the transmitter to service open the low side isolate valve and vent valve The vent valve can remain open or closed during operation Hardware installation Reference Manual July 2020 00809 0100 4774 78 Rosemount 3051 ...

Page 79: ...valve between the process port and transmitter will be open and the test vent valve will be closed On a block and bleed style manifold a single block valve provides transmitter isolation and a bleed screw provides drain vent capabilities A Transmitter B Vent closed C Isolate D Process open Procedure 1 To isolate the transmitter close the isolate valve Reference Manual Hardware installation 00809 0...

Page 80: ...rt you will need to remove it with a wrench in order to vent the manifold properly Always use caution when venting directly to atmosphere 3 After venting to atmosphere perform any required calibration and then close the test vent valve or replace the bleed screw A Transmitter B Vent closed C Isolate D Process closed 4 Open the isolate block valve to return the transmitter to service Hardware insta...

Page 81: ...seal or packing material has been used The following steps are provided as a procedure to adjust valve packing Procedure 1 Remove all pressure from device 2 Loosen manifold valve jam nut 3 Tighten manifold valve packing adjuster nut turn 4 Tighten manifold valve jam nut 5 Re apply pressure and check for leaks Postrequisites Repeat the above steps if necessary If the above procedure does not result...

Page 82: ...re 3 14 Valve Components A D C B E F G A Bonnet B Stem C Packing D Ball tip E Packing adjuster F Jam nut G Packing follower Hardware installation Reference Manual July 2020 00809 0100 4774 82 Rosemount 3051 ...

Page 83: ... environment must be in accordance with appropriate local national and international standards codes and practices Review the Product certifications section in the Rosemount 3051 Product Data Sheet for any restrictions associated with a safe installation In an explosion proof flameproof installation do not remove the transmitter covers when power is applied to the unit Process leaks Process leaks ...

Page 84: ...sive atmosphere ensure the instruments are installed in accordance with intrinsically safe or non incendive field wiring practices 2 Remove transmitter housing cover 3 Remove screws from the LCD display and rotate it to the desired orientation a 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 R...

Page 85: ...n be enabled or disabled in software Use the following procedure to change the switch configuration Procedure 1 If the transmitter is installed secure the loop and remove power 2 Remove the housing cover opposite the field terminal side Do not remove the instrument cover in explosive atmospheres when the circuit is live 3 Slide the Security and Simulate switches into the preferred position 4 Reatt...

Page 86: ...ious injury Do not run signal wiring in conduit or open trays with power wiring or near heavy electrical equipment 4 5 1 Conduit installation CAUTION Transmitter damage If all connections are not sealed excess moisture accumulation can damage the transmitter Mount the transmitter with the electrical housing positioned downward for drainage To avoid moisture accumulation in the housing install wiri...

Page 87: ...ts can be dependent upon the approval certification As with all FOUNDATION Fieldbus requirements a conditioned power supply and terminating resistors are required for proper operation Figure 4 4 displays the standard Rosemount 3051 terminal block The terminals are not polarity sensitive The transmitter requires 9 32 Vdc to operate Emerson recommends Type A FOUNDATION Fieldbus wiring 18 awg twisted...

Page 88: ...cover in explosive atmospheres when the circuit is live Signal wiring supplies all power to the transmitter 2 Ensure full contact with terminal block screw and washer When using a direct wiring method wrap wire clockwise to ensure it is in place when tightening the terminal block screw Note Emerson does not recommend using a pin or ferrule wire terminal as the connection may be more susceptible to...

Page 89: ...the cable shield as short as practical and insulate from touching the transmitter housing Note Do NOT ground the cable shield at the transmitter if the cable shield touches the transmitter housing it can create ground loops and interfere with communications 3 Continuously connect the cable shields to the power supply ground a Connect the cable shields for the entire segment to a single good earth ...

Page 90: ... Figure 4 5 This connection is only available with option V5 and T1 Figure 4 4 Internal Ground Connection A Internal ground location Figure 4 5 External Ground Connection Option V5 or T1 A A External ground location Note Grounding the transmitter case via threaded conduit connection may not provide sufficient ground continuity Electrical installation Reference Manual July 2020 00809 0100 4774 90 R...

Page 91: ... option Option Code T1 or as a spare part to retrofit existing transmitters in the field See Spare parts for part numbers The lightning bolt symbol shown in Figure 4 6 identifies the transient protection terminal block Figure 4 6 Transient Protection Terminal Block A A Lightning bolt location Note The transient protection terminal block does not provide transient protection unless the transmitter ...

Page 92: ...Electrical installation Reference Manual July 2020 00809 0100 4774 92 Rosemount 3051 ...

Page 93: ...n s website at Fieldbus org There is no requirement that a host or configuration tool support these features For DeltaV users the DD can be found at Emerson com DeltaV The information in this section will describe how to use methods in a general fashion 5 2 Safety messages Procedures and instructions in this section may require special precautions to ensure the safety of personnel performing the o...

Page 94: ...calibration allows you to adjust the pressure digital value reported by the transmitter to be equal to a pressure standard The sensor calibration can adjust the pressure offset to correct for mounting conditions or line pressure effects Emerson recommends this correction Emerson does not recommend calibrating the pressure range pressure span or gain correction for new instruments Calibrate the sen...

Page 95: ...log trim 4 20 mA output trim 5 3 2 Determine calibration frequency Calibration frequency can vary greatly depending on the application performance requirements and process conditions To determine calibration frequency Procedure 1 Determine the performance required for your application 2 Determine the operating conditions 3 Calculate the Total Probable Error TPE 4 Calculate the stability per month ...

Page 96: ... span shift caused by the application of static line pressure is 0 95 percent of reading per 1000 psi 69 bar for Range 4 transmitters and 1 percent of reading per 1000 psi 69 bar for Range 5 transmitters Using the following procedure you can correct the span effect to 0 2 percent of reading per 1000 psi 69 bar for line pressures from 0 to 3626 psi 0 to 250 bar Use the following example to compute ...

Page 97: ...r differential pressure transmitters Zero trim is a single point offset adjustment It is useful for compensating for mounting position effects and is most effective when performed with the transmitter installed in its final mounting position As this correction maintains the slope of the characterization curve do not use it in place of a sensor trim over the full sensor range When performing a zero...

Page 98: ...ance over a specific measurement range Figure 5 1 Sensor Trim Example A Before trim B After trim C Zero lower sensor trim D Pressure reading E Pressure input F Upper sensor trim 5 4 2 Perform a calibration or sensor trim If you need to perform both an upper and lower sensor trim do the lower trim first Performing a sensor trim Note For block oriented user interfaces perform calibrations and trims ...

Page 99: ...o Rosemount 305 306 and 304 manifolds for manifold operation instructions to properly drain vent valves Note If both an upper and lower sensor trim are needed perform the lower trim first Figure 5 2 Sensor Trim Screen The Sensor Trim Upper Lower Zero and Restore buttons start automated procedures called Methods which guide you through the sequence of steps needed to perform the desired trim Upper ...

Page 100: ...US and take action where appropriate when the STATUS is no longer GOOD 5 6 Master reset method 5 6 1 Resource block Menu navigation Service Tools Maintenance Reset Restore Note Master reset sometimes called restart is performed in the resource block For block oriented user interfaces perform the reset in the resource block There are two master reset options One restarts the transmitter processor b...

Page 101: ...OUT_STATUS of the AI Block place the TARGET MODE of the block to MANUAL Then change the OUT_VALUE to the desired value 5 7 2 Simulate Procedure 1 If the SIMULATE switch is in the OFF position move it to the ON position 2 To change both the OUT_VALUE and OUT_STATUS of the AI Block set the TARGET MODE to AUTO 3 Set SIMULATE_ENABLE_DISABLE to Active 4 Enter the desired SIMULATE_VALUE to change the OU...

Page 102: ...Operation and maintenance Reference Manual July 2020 00809 0100 4774 102 Rosemount 3051 ...

Page 103: ...uctions in this section may require special precautions to ensure the safety of the personnel performing the operations WARNING Explosions Explosions could result in death or serious injury Installation of device in an explosive environment must be in accordance with appropriate local national and international standards codes and practices Review the Product Certifications section of the Rosemoun...

Page 104: ...solate and vent the process from the transmitter before removing the transmitter from service 4 Remove all electrical leads and disconnect conduit 5 Remove the transmitter from the process connection The Rosemount 3051C Transmitter is attached to the process connection by four bolts and two cap screws Remove the bolts and screws and separate the transmitter from the process connection Leave the pr...

Page 105: ...cs board is located in the compartment opposite the terminal side Procedure 1 Remove the housing cover opposite the field terminal side 2 Using the two captive screws slowly pull the electronics board out of the housing The sensor module ribbon cable holds the electronics board to the housing Disengage the ribbon cable by pushing the connector release Note If an LCD display is installed use cautio...

Page 106: ...e into the housing Important Ensure the sensor ribbon cable and internal black cap remain completely free of the housing as you rotate it Damage can occur to the cable if the internal black cap and ribbon cable become hung up and rotate with the housing 5 Thread the housing completely onto the sensor module The housing must be no more than one full turn from flush with the sensor module to comply ...

Page 107: ...the sensor module PTFE O rings You may reuse undamaged O rings Replace O rings that show any signs of damage such as nicks cuts or general wear Note If you are replacing the O rings be careful not to scratch the O ring grooves or the surface of the isolating diaphragm when removing the damaged O rings 2 Install the process connection Possible options include Coplanar process flange a Hold the proc...

Page 108: ...4 N m Note If you replaced the PTFE sensor module O rings re torque the flange bolts after installation to compensate for cold flow of the O ring material Note For Range 1 transmitters after replacing O rings and re installing the process flange expose the transmitter to a temperature of 185 F 85 C for two hours Then re tighten the flange bolts in a cross pattern and again expose the transmitter t...

Page 109: ... representative 6 5 2 Troubleshooting guide Note Use the sections below if other devices appear on the segment communicate and remain on the segment If other devices don t appear on the segment communicate or stay on the segment check the electrical characteristics of the segment If you have established communications but you see a Block_err or an Alarm condition see Problems with communications I...

Page 110: ... device network parameter values Device does not stay on segment Note Wiring and installation 31 25 kbit s voltage mode and wire medium application guide AG 140 available from FOUNDATION Fieldbus Incorrect signal levels Refer to host documentation for procedure Recommended actions 1 Check for two terminators 2 Check for excess cable length 3 Check for bad power supply or conditioner Excess noise o...

Page 111: ...em are listed in the sections below Use the sections below to diagnose particular status messages 6 6 1 Incompatible module NE107 and Plantweb alert Failure The pressure sensor is incompatible with the attached electronics Recommended actions Replace electronics board or sensor module with compatible hardware Default configuration Enabled LCD display message XMTR MSMTCH Associated status bits 0x10...

Page 112: ... out of limits NE107 alert Offspec Plantweb alert Maintenance The process pressure is outside the transmitter s measurement range Recommended actions Verify the applied pressure is within the range of the pressure sensor Verify the manifold valves are in the proper position Check the transmitter pressure connection to verify it is not plugged and the isolating diaphragms are not damaged Replace th...

Page 113: ...t configuration Enabled LCD display message TEMP OUT LIMITS Associated status bits 0x00008000 6 6 6 Display update failure NE107 and Plantweb alert Maintenance The display is not receiving updates from the electronics board Recommended actions Check the connection between the display and the electronics board Replace the display Replace the electronics board Default configuration Enabled LCD displ...

Page 114: ... 8 Alert simulation enabled NE107 and Plantweb alert Maintenance Alert simulation is enabled The active alerts are simulated and any real alerts are suppressed Recommended action To view real alerts disable the alerts simulation Default configuration Enabled LCD display message N A Associated status bits FD_SIMULATE ENABLE 0x02 6 6 9 Function check NE107 alert Function Check Plantweb alert Advisor...

Page 115: ...ent that is incompatible with the engineering units selected in XD_SCALE the L_TYPE parameter is not configured or CHANNEL zero 3 Simulate Active Simulation is enabled and the block is using a simulated value in its execution 7 Input Failure Process Variable has Bad Status The hardware is bad or a bad status is being simulated 14 Power up 15 Out of Service The actual mode is out of service 6 7 1 B...

Page 116: ...rrect Recommended action See the Analog Input AI function block section in the Rosemount 3051 Product Data Sheet 6 8 Service support Within the United States call the Emerson Instrument and Valve Response Center using the 1 800 654 RSMT 7768 toll free number This center available 24 hours a day will assist you with any needed information or materials The center will ask for product model and seria...

Page 117: ...he hazard Include a copy of the required Material Safety Data Sheet MSDS for each substance with the returned goods Emerson Instrument and Valve Response Center representatives will explain the additional information and procedures necessary to return goods exposed to hazardous substances Reference Manual Troubleshooting 00809 0100 4774 July 2020 Reference Manual 117 ...

Page 118: ...Troubleshooting Reference Manual July 2020 00809 0100 4774 118 Rosemount 3051 ...

Page 119: ...ert users to conditions that were previously undetectable or provide powerful troubleshooting tools Figure 7 1 illustrates an overview of these two functions within the Fieldbus Advanced Diagnostics Transducer Block Figure 7 1 Advanced Diagnostics Transducer Block Overview A B C D E F A Pressure measurement B Plugged impulse line detection C Preocess intelligence D Plugged impulse line alert E Pro...

Page 120: ...d a unique technology Process Intelligence which provides a means for early detection of abnormal situations in a process environment The technology is based on the premise that virtually all dynamic processes have a unique noise or variation signature when operating normally Changes in these signatures may signal that a significant change will occur or has occurred in the process process equipmen...

Page 121: ...stical parameters available to the host system directly via FOUNDATION Fieldbus communication protocol or FF to other protocol converters Once available the system may make use of these statistical parameters to indicate or detect a change in process conditions In the simplest example the statistical values may be stored in the DCS historian If a process upset or equipment problem occurs these val...

Page 122: ...hown in Figure 7 4 The process variable the measured pressure is input to a statistical calculations module where basic high pass filtering is performed on the pressure signal The mean or average is calculated on the unfiltered pressure signal and the standard deviation is calculated from the filtered pressure signal These statistical values are available via handheld communication devices like th...

Page 123: ...onitoring modes Once enabled SPM enters the learning verification mode SPM calculates the baseline mean and standard deviation over a period of time you control SPM Monitoring Cycle default is 15 minutes The status will be Learning SPm calculates a second set of values and compares them to the original set to verify that the measured process is stable and repeatable During this period the status w...

Page 124: ...e SPM input To configure the SPM Block set the following parameters Learning the process dynamics Procedure Using guided configuration enter the monitoring cycle for SPM to learn the process Note The minimum monitoring cycle value is one minute the typical recommended monitoring cycle is three minutes Verification Normally SPM uses a verification period to determine the stability of the process no...

Page 125: ...ons A longer sample window means that mean and standard deviation will take longer to respond when there is a process change The default value is 15 minutes For most applications a monitoring cycle ranging from 1 to 10 minutes is appropriate The allowable range is 1 to 1440 minutes Figure 7 5 illustrates the effect of the SPM monitoring cycle on the statistical calculations Notice how with a short...

Page 126: ...e alert limits on the mean and or standard deviation The three alert limits available are SPM_Mean_Lim Upper and lower limits for detecting a mean change SPM_High_Variation_Lim Upper limit on standard deviation for detecting a high variation condition typical values for high variation limit are 40 percent change for high sensitivity 60 change for medium sensitivity and 80 percent change for low se...

Page 127: ...lated average of the process variable is determined during the learning verification process and represents the normal operating condition SPM_Mean Current mean of the process variable SPM_Mean_Change Percent change between the Baseline Mean and the Current Mean SPM_Baseline_StDev The Baseline Standard Deviation of the process variable is determined during the learning verification process and rep...

Page 128: ... the process High Variation Detected Alert resulting from the Stdev change exceeding the threshold high variation value This is an indicator of increased dynamics in the process and could be caused by increased liquid or gas in the flow control or rotational problems or unstable pressure fluctuations Low Dynamics Detected Alert resulting from the Stdev change exceeding the threshold low dynamics v...

Page 129: ...nfiguration with EDDL SPM configuration provides the capability to configure SPM for use in plugged line detection or other abnormal process conditions Menu navigation Configure Guided Setup Basic SPM Setup See Advanced pressure diagnostics for more information on SPM functions and uses Note SPM is a factory only option option code D01 and can t be licensed installed in the field An automated task...

Page 130: ...rely connected directly to the pipe or vessel Small diameter tubes or pipes commonly called impulse lines are used to transmit the pressure signal from the process to the transmitter In some applications these impulse lines can become plugged with solids or frozen fluid in cold environments effectively blocking the pressure signals Figure 7 8 You typically do not know that the blockage has occurre...

Page 131: ...ansmitters and configuring and operating the PLD diagnostic 7 6 2 Plugged impulse line physics The physics of plugged impulse line detection begins with the fluctuations or noise present in most pressure and differential pressure DP signals In the case of DP flow measurements the flowing fluid produces these fluctuations which are a function of the geometric and physical properties of the system T...

Page 132: ...fferential pressure measurement in a flow application with a single line plugged is more complicated and the behavior of the transmitter may vary depending on a number of factors First the basics a differential pressure transmitter in a flow application is equipped with two impulse lines one on the high pressure side HP and one on the low pressure side LP of the primary element Understanding the r...

Page 133: ...9 Differential Pressure Signals under Different Plugging Conditions A Both open B HP closed C LP closed D Both closed Reference Manual Advanced pressure diagnostics 00809 0100 4774 July 2020 Reference Manual 133 ...

Page 134: ... a plugged impulse line can be separated into positive factors and negative factors with the former increasing the chances of success and the latter decreasing the chances of success Within each list some factors are more important than others as indicated by the relative position on the list If an application has some negative factors that does not mean that it is not a good candidate for the dia...

Page 135: ...al ratio issue and is primarily an issue for detection of plugged lines for high GP AP measurements Regardless of the line pressure flow generated noise tends to be about the same level This is particularly true for liquid flows If the line pressure is high and the flow noise is very low by comparison there may not be enough noise in the measurement to detect the decrease brought on by a plugged i...

Page 136: ...se lines One installation best practice for DP flow measurements is the use of the Rosemount 405 series of integrated compact orifice meters with the Rosemount 3051 Pressure Transmitter These integrated DP flow measurement systems provide perhaps the shortest practical impulse line length possible while significantly reducing overall installation cost and improved performance They can be specified...

Page 137: ...s and select the appropriate document 4 For ordering information specifications and dimensional drawings click Data Sheets Bulletins and select the appropriate Product Data Sheet A 2 Product certifications To view current Rosemount 3051 product certifications follow these steps Procedure 1 Go to Emerson com Rosemount Rosemount 3051 2 Scroll as needed to the green menu bar and click Documents Drawi...

Page 138: ...Reference data Reference Manual July 2020 00809 0100 4774 138 Rosemount 3051 ...

Page 139: ... Alerts 1 Refresh Alerts 2 Active Alert 1 3 Active Alert 2 4 Etc Sensor Module Info 1 Serial Number 2 Measurement Type 3 Conﬁguration 4 Sensor Range 5 PV Upper Limit 6 PV Lower Limit 7 Isolator material 8 Fill Fluid Identiﬁcation 1 Tag 2 Long Tag 3 Model 4 Serial Number 5 Date 6 Description 7 Message 8 Model Numbers 9 Manufacturer Security 1 Security Switch Status 2 External Buttons 3 Conﬁguration...

Page 140: ...cent of Range 5 Analog Output 6 Review Parameters at Start up Variable Mapping 1 Primary Variable 2 Second Variable 3 Third Variable 4 Fourth Variable Analog Output 1 Primary Variable 2 Upper Range Value 3 Lower Range Value Pressure Alert or Temperature Alert 1 Configure Alert 2 Alert Mode 3 High Alert Value 4 Low Alert Value 5 Trend Message 1 Variables 1 First and Trigger Variable 2 Second Variab...

Page 141: ...nd Variable 3 Third Variable 4 Fourth Variable Communication Settings 1 Polling Address 2 Change Polling Address 3 Universal Revision 4 Change HART Revision Burst Mode Configuration 1 Burst Message 1 2 Message 1 Content 3 Message 1 Variable 4 Configure Additional Messages Message 1 Variable 1 First and Trigger Variable 2 Second Variable 3 Third Variable 4 Fourth Variable Set Range Points 1 Primary...

Page 142: ...gure Alert Setup Selections with black circle are only available in HART Revision 7 mode Selection will not appear in HART Revision 5 DD Field Communicator Reference Manual July 2020 00809 0100 4774 142 Rosemount 3051 ...

Page 143: ...r Calibration Points LOI Password Protection 1 Password Protection 2 Configure Password HART Lock 1 Device Lock 2 Lock Unlock Sensor Limits 1 PV Upper Limit 2 PV Lower Limit 3 PV Minimum Span Security 1 Security Switch Status 2 External Buttons 3 Configuration Buttons 4 HART Lock 5 LOI Password Protection Simulate 1 Loop Test 2 Pressure 3 Scaled Variable 4 Sensor Temperature Active Alerts 1 Refres...

Page 144: ...e Units 2 2 1 1 4 2 2 1 1 4 Date 2 2 7 1 5 2 2 7 1 4 Descriptor 2 2 7 1 6 2 2 7 1 5 Digital to Analog Trim 4 20 mA Output 3 4 2 1 3 4 2 1 Digital Zero Trim 3 4 1 3 3 4 1 3 Display Configuration 2 2 4 2 2 4 LOI Password Protection 2 2 6 5 2 2 6 4 Loop Test 3 5 1 3 5 1 Lower Sensor Trim 3 4 1 2 3 4 1 2 Message 2 2 7 1 7 2 2 7 1 6 Pressure Trend 3 3 1 3 3 1 Rerange with Keypad 2 2 2 1 2 2 2 1 Scaled ...

Page 145: ...Reference Manual 00809 0100 4774 July 2020 Reference Manual 145 ...

Page 146: ...ox 1046 CH 6340 Baar Switzerland 41 0 41 768 6111 41 0 41 768 6300 RFQ RMD RCC Emerson com Asia Pacific Regional Office Emerson Automation Solutions 1 Pandan Crescent Singapore 128461 65 6777 8211 65 6777 0947 Enquiries AP Emerson com Middle East and Africa Regional Office Emerson Automation Solutions Emerson FZE P O Box 17033 Jebel Ali Free Zone South 2 Dubai United Arab Emirates 971 4 8118100 97...

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