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Emerson Micro Motion SGM, Руководство по конфигурации и использованию

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Postrequisites

•

To clear A010, A011, A012, A013 alerts, you must correct the problem, acknowledge the alert, then
repeat the calibration.

•

To clear A001, A002, A029, A031 alerts, you must correct the problem, acknowledge the alert, then
power-cycle the transmitter.

•

For all other alerts:

—

If the alert is inactive when it is acknowledged, it will be removed from the list.

—

If the alert is active when it is acknowledged, it will be removed from the list when the alert condition
clears.

12.3.2  View and acknowledge alerts using ProLink III

You can view a list containing all alerts that are active, or inactive but unacknowledged. From this list, you can
acknowledge individual alerts or choose to acknowledge all alerts at once.

Procedure

1. View alerts on the ProLink III main screen under 

Alerts

. If the alerts are not displayed, choose 

Device

Tools

 

→

 

Alerts

.

All active or unacknowledged alerts are listed, and displayed according to the following categories:

Category

Description

Failed: Fix Now

A meter failure has occurred and must be addressed immediately.

Maintenance: Fix Soon

A condition has occurred that can be fixed at a later time.

Advisory: Informational

A condition has occurred, but requires no maintenance from you.

Notes

•

All fault alerts are displayed in the 

Failed: Fix Now

 category.

•

All information alerts are displayed in either the 

Maintenance: Fix Soon

 category or the 

Advisory:

Informational

 category. The category assignment is hard-coded.

•

The transmitter automatically filters out alerts with 

Alert Severity

 set to Ignore.

2. To acknowledge a single alert, check the 

Ack

 checkbox for that alert. To acknowledge all alerts at once,

click 

Ack All

.

Postrequisites

•

To clear A010, A011, A012, A013 alerts, you must correct the problem, acknowledge the alert, then
repeat the calibration.

•

To clear A001, A002, A029, A031 alerts, you must correct the problem, acknowledge the alert, then
power-cycle the transmitter.

•

For all other alerts:

—

If the alert is inactive when it is acknowledged, it will be removed from the list.

Transmitter operation

Configuration and Use Manual

March 2021

MMI-20020954

108

Micro Motion Gas Specific Gravity Meters (SGM)

Содержание Micro Motion SGM

Страница 1: ...Configuration and Use Manual MMI 20020954 Rev AE March 2021 Micro Motion Gas Specific Gravity Meters SGM Configuration and Use Manual ...

Страница 2: ... and manuals are available from the Micro Motion web site at www emerson com Return policy Follow Micro Motion procedures when returning equipment These procedures ensure legal compliance with government transportation agencies and help provide a safe working environment for Micro Motion employees Micro Motion will not accept your returned equipment if you fail to follow Micro Motion procedures Re...

Страница 3: ...3 Disable HART security 25 4 4 Set the HART lock 26 4 5 Restore the factory configuration 26 Chapter 5 Purging and calibration 27 5 1 On site setup requirements 27 5 2 Prepare for SGM purging and calibration 27 5 3 Purge and purge cycle the SGM device 31 5 4 Calibrate the SGM device 33 5 5 Review data for all calibrations 44 5 6 Change the label for the active calibration 44 5 7 Select the active ...

Страница 4: ...nfigure the mA Output 85 10 3 Configure the Discrete Output 91 10 4 Configure an enhanced event 93 10 5 Configure HART Bell 202 communications 94 10 6 Configure Modbus communications 100 10 7 Configure Digital Communications Fault Action 102 Chapter 11 Complete the configuration 103 11 1 Test or tune the system using sensor simulation 103 11 2 Back up transmitter configuration 103 11 3 Enable HART...

Страница 5: ... drive gain 144 14 25 Check the pickoff voltage 145 14 26 Check for internal electrical problems 146 14 27 Locate a device using the HART 7 Squawk feature 146 Appendix A Factory test certificate 147 A 1 Sample factory test certificate 147 Appendix B Using the transmitter display 149 B 1 Components of the transmitter interface 149 B 2 Use the optical switches 149 B 3 Access and use the display menu...

Страница 6: ...F 1 Calculation aid and examples 188 Contents Configuration and Use Manual March 2021 MMI 20020954 6 Micro Motion Gas Specific Gravity Meters SGM ...

Страница 7: ...perty damage hardware damage or software damage can occur if a situation is not avoided There is no credible risk of physical injury Physical access NOTICE Unauthorized personnel can potentially cause significant damage and or misconfiguration of end users equipment Protect against all intentional or unintentional unauthorized use Physical security is an important part of any security program and ...

Страница 8: ... Supported protocols ProLink III Modbus RS 485 HART Bell 202 Service port Field communicator HART Bell 202 Tip You may be able to use other communications tools from Emerson Process Management such as AMS Suite Intelligent Device Manager or the Smart Wireless THUM Adapter Use of AMS or the Smart Wireless THUM Adapter is not discussed in this manual For more information on the Smart Wireless THUM A...

Страница 9: ...figures illustrate the major components of the SGM Depending on the order some components may be shipped with the device or supplied by the customer Figure 2 1 Typical SGM installation Configuration and Use Manual Orientation and planning MMI 20020954 March 2021 Configuration and Use Manual 9 ...

Страница 10: ...gulator with gauge H Calibration gas 1 inlet I Calibration gas 2 inlet J Process gas sampling point K Tubing work not shown in diagram L Coalescent filter M Coalescent filter drain two way valve N Particle filter O Flow meter P Transmitter Q Reference chamber pressure indicator R Relief valve S Drain ATV Atmospheric Vent Orientation and planning Configuration and Use Manual March 2021 MMI 20020954...

Страница 11: ...plete system shown in the following diagrams The valves filter regulator and internal piping will all be included in the system with an optional electric heater Configuration and Use Manual Orientation and planning MMI 20020954 March 2021 Configuration and Use Manual 11 ...

Страница 12: ...r with gauge H Calibration gas 1 inlet I Calibration gas 2 inlet J Process gas sample inlet K Tubing work not shown in diagram L Coalescent filter M Coalescent filter drain two way valve N Particle filter O Flow meter P Transmitter Q Reference chamber pressure indicator R Relief valve S Drain T Enclosure U Mounting plate ATV Atmospheric Vent Orientation and planning Configuration and Use Manual Ma...

Страница 13: ...nits of the gas Energy calorific value Compressibility factor z The correction factor for interactive molecular behavior of non ideal gas mixtures Concentration purity of binary gas mixtures In a binary gas mixture the quantity of the primary gas in comparison to the quantity of the secondary gas contaminant Measured in user specified units Energy flow The energy content of the process gas flowing...

Страница 14: ...ess variable during calibration Related information Primary process variable and available gas process variables Primary process variable gas process variables and required data 2 3 1 Primary process variable and available gas process variables The gas process variables that the SGM can report are determined by the primary process variable that you select during calibration Available process varia...

Страница 15: ...device the data will represent the gas at the location of the temperature probe Table 2 2 Gas measurement when the primary process variable is specific gravity Process variable to be reported Process data provided by the SGM Required process data from external devices Required user specified values Specific gravity Specific gravity Molecular weight Specific gravity Molecular weight of air Base den...

Страница 16: ...alculated Volume units Line density 4 Calorific value Volume flow rate external or calculated 1 Used when you want process variables to represent the gas in the measurement chamber 2 Used when you want process variables to represent the gas at the location of the temperature probe 3 Required only if you plan to use the calculated mass flow measurement unit as the measurement unit for energy flow 4...

Страница 17: ...mperature data from meter RTD 1 Specific gravity Calorific value External temperature 2 Line pressure CO2 N2 Molecular weight of air SGERG 88 Sample temperature data from meter RTD 1 Calorific value External temperature 2 Line pressure CO2 H2 N2 Base compressibility NX 19 Specific gravity CO2 N2 Molecular weight of air Base temperature Base pressure NX 19 Mod Specific gravity CO2 N2 Base temperatu...

Страница 18: ... density Base density Relative density Base density of air Line density Temperature data from meter RTD 1 Base density Line compressibility Base compressibility External temperature 2 Line pressure Base temperature Base pressure Line compressibility Temperature data from meter RTD 1 Relative density External temperature 2 Line pressure CO2 H2 N2 Base compressibility Relative density CO2 H2 N2 Base...

Страница 19: ...ors from the on site calibration If a two point calibration was performed K1 is set to 0 τ Sensor time period microseconds Specific gravity calculated from molecular weight SG MWGas MWAir SG Specific gravity of process gas MWGas Molecular weight of process gas g mol MWAir Molecular weight of air user specified default 28 96469 g mol 2 4 3 Primary process variable relative density The following equ...

Страница 20: ...Orientation and planning Configuration and Use Manual March 2021 MMI 20020954 20 Micro Motion Gas Specific Gravity Meters SGM ...

Страница 21: ...e electronics to warm up for approximately 10 minutes before relying on process measurements During this warm up period you may observe minor measurement instability or inaccuracy 3 2 Check meter status Check the meter for any error conditions that require user action or that affect measurement accuracy Procedure 1 Wait approximately 10 seconds for the power up sequence to complete Immediately aft...

Страница 22: ...ection to the transmitter to configure the transmitter Procedure Identify the connection type to use and follow the instructions for that connection type in the appropriate appendix Use the default communications parameters shown in the appendix Communications tool Connection type to use Instructions ProLink III Modbus RS 485 HART Bell 202 Using ProLink III with the transmitter Field communicator ...

Страница 23: ...fic gravity for calibration range 3 0 0 4 Specific gravity for calibration range 4 0 0 4 Molecular weight for calibration range 1 0 g mol 28 96469 g mol Molecular weight for calibration range 2 0 g mol 28 96469 g mol Molecular weight for calibration range 3 0 g mol 28 96469 g mol Molecular weight for calibration range 4 0 g mol 28 96469 g mol Sensor time period 400 us 1200 us Table 4 2 Derived var...

Страница 24: ...alculated 200 00 g sec 200 00 g sec Mass flow rate external 200 00 g sec 200 00 g sec Volume flow rate calculated 0 42378 SCFM 0 42378 SCFM Volume flow rate external 0 2 l sec 0 2 l sec Table 4 5 SGM default variables Default variable Output option A Output options B and C Primary Variable PV mA1 Sample Temperature Specific Gravity for Calibration Set 1 Molecular Weight for Calibration Set 1 Relat...

Страница 25: ...ction from another tool 4 3 Disable HART security If you plan to use HART protocol to configure the device HART security must be disabled HART security is disabled by default so you may not need to do this Prerequisites Strap wrench 3 mm hex key Procedure 1 Power down the meter 2 Using the strap wrench loosen the grub screws and remove the transmitter end cap Figure 4 1 Transmitter with end cap re...

Страница 26: ...ter The HART master can also change Lock Option to Temporary Temporary Only the current HART master can make changes to the device The device will remain locked until manually unlocked by a HART master or a power cycle or device reset is performed The HART master can also change Lock Option to Permanent Lock All No HART masters are allowed to make changes to the configuration Before changing Lock ...

Страница 27: ...tion Most applications require a two point calibration For a few exceptions a three point calibration may be required Prepare the calibration gases Know the appropriate control pressure Be able to control sample pressure and vent pressure Related information Three point calibration 5 2 1 Primary process variable specific gravity molecular weight or relative density The SGM can operate as a specifi...

Страница 28: ...eristics Gas types and requirements Analytical calibration gases are specified by purity grade or number of 9 s High purity or 4 5 nines 99 995 grades are good choices for calibrating the SGM For example if the SGM is measuring the specific gravity of natural gas use pure nitrogen and pure methane as calibration gases Table 5 1 Examples of calibration gases Application Two point calibration gases ...

Страница 29: ...stem includes a pressure regulator with indicator that Controls the inlet sample pressure Allows you to verify sample pressure Note All SGM models come with an included pressure gauge that identifies only the reference chamber pressure that is used for pressure and compressibility compensation For SGM models without the sampling conditioning system a pressure regulator with indicator must be insta...

Страница 30: ...Perform all calibrations using the same measurement option specific gravity molecular weight or relative density Set calibrations as either two point calibrations or three point calibrations Complete each calibration before beginning the next calibration Choose to add calibrations at a later time You do not need to perform all calibrations at the same time Important It is possible to use a differe...

Страница 31: ...prepares it for calibration by ensuring that the reference chamber is filled and sealed with appropriate process gas to the desired pressure Prerequisites You must be able to flow process gas through the device You must know the working pressure of your system and the desired reference chamber pressure Configuration and Use Manual Purging and calibration MMI 20020954 March 2021 Configuration and U...

Страница 32: ...or with gauge H Calibration gas 1 inlet I Calibration gas 2 inlet J Process gas sampling point K Tubing work not shown in diagram L Coalescent filter M Coalescent filter drain two way valve N Particle filter O Flow meter P Transmitter Q Reference chamber pressure indicator R Relief valve S Drain T Internal orifice restriction U Measurement chamber V Reference chamber W Diaphragm ATV Atmospheric Ve...

Страница 33: ...spheric pressure d Repeat this step for the required number of cycles as determined by the following equation NumberPurgeCycles 21 MaxRegulatorPressure 11 Close the purge valve F and open the process gas inlet two way valve D 12 When the reference chamber pressure reaches the desired value close the chamber filling valve E and the process gas inlet valve D in preparation for flowing the calibratio...

Страница 34: ... Prerequisites in Calibrate the SGM device if you have not already done so 2 Enter the Off Line Maintenance menu and activate SCROLL until OFF LINE CAL appears on the display then activate Select 3 When CAL SG appears activate Select 4 Set the measurement type for this device a When CAL TYPE appears activate Select then scroll through the list of options b When the desired option appears activate ...

Страница 35: ...the outlet valve C d Set the process calibration selector valve B to the calibration position e Activate SCROLL until ENTER GAS LOW appears then activate SELECT f Enter the specific gravity molecular weight or relative density of the calibration gas that is flowing through the system and store the value by activating both SCROLL and SELECT at same time until the previous menu appears g Activate SC...

Страница 36: ...isconnect the lower calibration gas 9 Activate SCROLL until CALC K VAL appears then activate Select The meter automatically calculates the calibration factors from the stored data 10 View the calibration factors a When RESULT DISPLAY appears activate Select b Activate SCROLL to view the calibration factors and data Results are displayed in this order The specific gravity molecular weight or relati...

Страница 37: ...nal view of the SGM Verify the SGM calibration 5 4 2 Calibrate the SGM device using ProLink III Procedure 1 Read the Prerequisites in Calibrate the SGM device if you have not already done so 2 Choose Device Tools Calibration Gas Calibration 3 Set the measurement type for this device Option Description Specific Gravity Meter Gas density will be measured as specific gravity and specific gravity will...

Страница 38: ...an store up to four independent calibration ranges All calibrations must have the same calibration type 2 point or 3 point Each calibration can use different calibration gases 7 Enter data for each calibration gas a Select the calibration gas from the list for Calibration Gas Low and Calibration Gas High If it is not listed select Other b Enter the specific gravity molecular weight or relative den...

Страница 39: ...alibration position d Set the calibration gas selector valve A to the calibration gas inlet 1 position and open the outlet valve C e As the gas flows select the Start button and observe the Live Sensor Time Period and Stability values f Wait between 3 to 15 minutes for the system to stabilize When Stability is Good select Accept or Next If measurement does not stabilize after 30 minutes select Abo...

Страница 40: ...ize after 30 minutes select Abort and troubleshoot the problem e Disconnect the calibration gas 10 Select Next 11 Review the results for this calibration 12 Select Finish to save the results and exit or select Add Calibration to add a calibration Tip You can use Add Calibration to create a new set of calibration coefficients 13 Set Active Calibration to the calibration to be used for measurement P...

Страница 41: ...equisites in Calibrate the SGM device if you have not already done so 2 Choose Configure Manual Setup Measurements Optional Setup Gas Meter Calibration 3 Set the measurement type for this device and press Send Option Description Specific Gravity Meter Gas density will be measured as specific gravity and specific gravity will be used for calibration Molecular Weight Meter Gas density will be measur...

Страница 42: ... calibration gases in order of density from lowest to highest This allows heavier gases to replace lighter gases 7 Set the low density calibration point See Figure 5 2 a Connect the lower calibration gas to the calibration gas inlet 1 H b Set the pressure regulator on the lower calibration gas tank to the appropriate sample pressure for your installation Note Make sure the process gas inlet valve ...

Страница 43: ...ation type 11 Choose Configure Manual Setup Measurements Gas Calibration and set Active Calibration to the calibration to be used for measurement For 2 point calibrations two calibration coefficients K0 and K2 are calculated and used in measurement Postrequisites To restore normal gas flow set the process calibration gas selector valve B to the process gas position and open the process gas inlet v...

Страница 44: ...abel field 2 Enter your preferred calibration label and press Apply 5 7 Select the active calibration ProLink III Device Tools Calibration Data Active Calibration Field communicator Configure Manual Setup Measurements Gas Calibration Active Calibration The SGM can store up to four calibrations The active calibration specifies the calibration to be used for measurement Important Do not confuse the ...

Страница 45: ...ff Line Maintenance menu and enter it 2 Activate Scroll until OFF LINE CONFIG appears then activate Select 3 When CONFIG UNITS appears activate Select 4 Set the units a When the first process variable appears activate Select b Activate Scroll to scroll through the options for that process variable c When the desired unit appears activate Select d Activate Select to store your choice e Repeat until...

Страница 46: ...Configure measurement units using the display Configuration and Use Manual March 2021 MMI 20020954 46 Micro Motion Gas Specific Gravity Meters SGM ...

Страница 47: ...ue will reflect 63 of the change in the actual measured value Tip Damping affects all process variables that are calculated from the primary process variable specific gravity molecular weight or relative density Procedure Set Damping to the value you want to use The default value is 0 seconds The range is 0 to 440 seconds Interaction between Damping and Added Damping When the mA Output is configur...

Страница 48: ...ated information Configure Temperature Unit using ProLink III Configure Temperature Damping using ProLink III Configure Temperature Input using ProLink III 7 2 1 Configure Temperature Unit using ProLink III ProLink III Device Tools Configuration Process Measurement Sample Temperature Temperature Unit Temperature Unit specifies the unit that will be used for temperature measurement Procedure Set Te...

Страница 49: ...value changes slowly A low damping value makes the process variable appear more erratic because the reported value changes more quickly Whenever the damping value is non zero the reported measurement will lag the actual measurement because the reported value is being averaged over time In general lower damping values are preferable because there is less chance of data loss and less lag time betwee...

Страница 50: ... or Digital Communications b Select Apply c Perform the necessary host programming and communications setup to write temperature data to the meter at appropriate intervals 2 If you set up an external temperature a Choose Device Tools Configuration I O Inputs External Inputs b In the Sample Temperature Input group check or uncheck the checkboxes as desired If a checkbox is checked the internal temp...

Страница 51: ...heck the current polling configuration choose Device Tools Configuration Polled Variables 7 3 1 Configure the pressure input using ProLink III Procedure 1 Choose Device Tools Configuration Process Measurement Line Pressure 2 Set Pressure Type to match the pressure measurement from the external pressure device Option Description Absolute The external pressure device reports absolute pressure Gauge ...

Страница 52: ... host programming and communications setup to write pressure data to the meter at appropriate intervals Postrequisites The current pressure value is displayed in the External Pressure field Verify that the value is correct Need help If the value is not correct Ensure that the external device and the meter are using the same measurement unit For polling Verify the wiring between the meter and the e...

Страница 53: ...N2 or H2 ensure that the meter has the required polling slots available The meter provides four polling slots and they may be already in use You may need to use a fixed value or digital communications for some external values To check the current polling configuration choose Device Tools Configuration Polled Variables Procedure 1 Choose Device Tools Configuration Process Measurement Compressibilit...

Страница 54: ... compressibility value will also be reported as NaN 6 Set CO2 Source to the method you will use to supply CO2 data and perform the required setup Option Description Setup Polling The meter polls an external device for CO2 data a Set CO2 Source to Poll for External Value b Set Polling Slot to an available slot c Set Polling Control to Poll as Primary or Poll as Secondary d Set External Device Tag t...

Страница 55: ... Method to SGERG 88 set H2 Source to the method you will use to supply H2 data and perform the required setup Option Description Setup Polling The meter polls an external device for H2 data a Set H2 Source to Poll for External Value b Set Polling Slot to an available slot c Set Polling Control to Poll as Primary or Poll as Secondary d Set External Device Tag to the HART tag of the H2 measurement d...

Страница 56: ... N2 H2 SGERG 88 30 to 100 C 0 to 120 BarA 0 55 to 0 9 0 30 1 0 50 1 N A 1 The sum of CO2 and N2 must be less than 50 7 5 Configure base density calculations using ProLink III ProLink III Device Tools Configuration Process Measurement Base Density The base density parameters provide data for the base density calculations Base density can be reported as a process variable For specific gravity meters...

Страница 57: ...grams per liter KG L kg l kg L Kilograms per cubic meter KG M3 kg m3 kg Cum Pounds per U S gallon LB GAL lbs Usgal lb gal Pounds per cubic foot LB CUF lbs ft3 lb Cuft Pounds per cubic inch LB CUI lbs in3 lb CuIn Short ton per cubic yard ST CUY sT yd3 STon Cuyd Degrees API D API degAPI degAPI Special unit SPECL special Spcl 7 5 2 Define a special measurement unit for density ProLink III Device Tool...

Страница 58: ...rocess Measurement Line Density The line density parameters provide data for line density measurement Line density can be reported as a process variable Line density is required to measure calorific value and energy flow Procedure 1 Choose Device Tools Configuration Process Measurement Line Density 2 Set Density Unit to the unit to be used for line density and click Apply This unit is also used fo...

Страница 59: ... If you are using an external volume flow device Volume Flow External and Mass Flow Calculated are available If you are using an external mass flow device Mass Flow External and Volume Flow Calculated are available Tip In either case you can measure energy flow in either mass units or volume units The meter automatically selects the appropriate process variable If you plan to poll an external devi...

Страница 60: ...method you will use to supply CO2 data and perform the required setup Option Description Setup Polling The meter polls an external device for CO2 data a Set CO2 Source to Poll for External Value b Set Polling Slot to an available slot c Set Polling Control to Poll as Primary or Poll as Secondary d Set External Device Tag to the HART tag of the CO2 measurement device Digital communications A host w...

Страница 61: ...rnal Value b Set Polling Slot to an available slot a Set Polling Control to Poll as Primary or Poll as Secondary b Set External Device Tag to the HART tag of the H2 measurement device Digital communications A host writes H2 data to the meter at appropriate intervals a Set H2 Source to Fixed Value or Digital Communications b Perform the necessary host programming and communications setup to write H...

Страница 62: ...lume Flow Calculated to Enabled c Set Mass Flow Rate Units to the units used by the external mass measurement device d Set Mass Flow Source to the method you will use to supply mass flow data and perform the required setup Option Description Setup Polling The meter polls an external device for mass flow data and calculates the equivalent volume flow 1 Set Mass Flow Source to Poll for External Valu...

Страница 63: ...nd the density of each constituent in pure form Procedure 1 Choose Device Tools Configuration Process Measurement Concentration Measurement 2 To use a gas variable set Gas Purity Variable to Specific Gravity Molecular Weight or Relative Density Meter Available option Specific gravity Specific Gravity or Molecular Weight Molecular weight Specific Gravity or Molecular Weight Relative density Relativ...

Страница 64: ...ion matrices only one matrix can be used for measurement at any one time Procedure 1 Choose Device Tools Configuration Process Measurement Concentration Measurement 2 Set Active Matrix to the matrix you want to use and click Change Matrix Configure process measurement using ProLink III Configuration and Use Manual March 2021 MMI 20020954 64 Micro Motion Gas Specific Gravity Meters SGM ...

Страница 65: ...want to use The default setting for Density Measurement Unit is g cm3 grams per cubic centimeter Options for Density Measurement Unit The transmitter provides a standard set of measurement units for Density Measurement Unit Different communications tools may use different labels Unit description Label Display ProLink III Field communicator Grams per cubic centimeter G CM3 g cm3 g Cucm Grams per li...

Страница 66: ...units y special units b Density Special Unit Conversion Factor x y 3 Enter Density Special Unit Conversion Factor The original density value is divided by this conversion factor 4 Set User Defined Label to the name you want to use for the density unit The special measurement unit is stored in the transmitter You can configure the transmitter to use the special measurement unit at any time Defining...

Страница 67: ...in transmitter memory Added Damping controls the rate of change reported via the mA Output If mA Output Process Variable is set to Specific Gravity Molecular Weight or Relative Density and both Damping and Added Damping are set to non zero values the primary process variable damping is applied first and the added damping calculation is applied to the result of the first calculation This value is r...

Страница 68: ...t the end of the interval the internal value will reflect 63 of the change in the actual measured value Tip Temperature Damping affects all process variables compensations and corrections that use temperature data from the sensor Procedure Enter the value you want to use for Temperature Damping The default value is 4 8 seconds The range is 0 to 38 4 seconds Tip A high damping value makes the proce...

Страница 69: ...data is used in several measurements and calculations for example gas measurement temperature compensation and base density For each of these you can configure the temperature source The RTD temperature data is stored separately in device memory However if you choose anything other than RTD be aware that the fixed value and the polled value are stored in the same location in device memory As a res...

Страница 70: ...o Temperature Tip A fixed temperature value is not recommended Gas measurement is very sensitive to temperature and a fixed temperature value may produce inaccurate process data 7 Set up the pressure input a Choose Configure Manual Setup Inputs Outputs External Device Polling b Choose an unused polling slot c Set Poll Control to Poll as Primary or Poll as Secondary d Set External Device Tag to the...

Страница 71: ... provides four polling slots and they may be already in use You may need to use a fixed value or digital communications for some external values To check the current polling configuration choose Configure Manual Setup Inputs Outputs External Device Polling Procedure 1 Configure the meter to use fixed values or to measure compressibility a Choose Service Tools Maintenance Modbus Data Write Modbus D...

Страница 72: ...Polling b Choose an unused polling slot c Set Poll Control to Poll as Primary or Poll as Secondary d Set External Device Tag to the HART tag of the external measurement device e Set Polled Variable to the appropriate variable Related information Compressibility Method and process limits Compressibility Method and process limits Each method for calculating compressibility has specific limits for li...

Страница 73: ...and Mass Flow Calculated are available If you are using an external mass flow device Mass Flow External and Volume Flow Calculated are available Tip In either case you can measure energy flow in either mass units or volume units The meter automatically selects the appropriate process variable If you plan to poll an external device for any of these ensure that the meter has the required polling slo...

Страница 74: ...Set External Device Tag to the HART tag of the external measurement device e Set Polled Variable to Volume from Mag Vortex Meter f Choose Configure Manual Setup Measurements Optional Setup External Inputs Configure External Inputs Volume g Set Volume Flow Source to Enable h Choose Configure Manual Setup Measurements Volume i Set Volume Flow Rate Unit to the unit used by the external device j Choos...

Страница 75: ...ion measurement application 8 4 2 Configure a concentration measurement matrix using a field communicator A concentration measurement matrix defines the relationship between density and concentration for your process gas You can configure up to six matrices Prerequisites You must know the primary and secondary constituents of your process gas and the density of each constituent in pure form Proced...

Страница 76: ...n matrices only one matrix can be used for measurement at any one time Procedure 1 Choose Configure Manual Setup Measurements Optional Setup Concentration Measurement CM Configuration 2 Choose Configure Manual Setup Measurements Optional Setup Conc Measurement CM Configuration 3 Set Active Matrix to the matrix you want to use Configure process measurement using a field communicator Configuration a...

Страница 77: ...e display and the order in which they appear The display can scroll through up to 15 variables in any order you choose In addition you can repeat variables or leave slots unassigned Restriction You cannot set Display Variable 1 to None or to a diagnostic variable Display Variable 1 must be set to a process variable Procedure For each display variable you want to change assign the process variable ...

Страница 78: ... seconds 9 1 5 Enable or disable automatic scrolling through the display variables ProLink III Device Tools Configuration Transmitter Display General Field communicator Configure Manual Setup Display Display Behavior Auto Scroll You can configure the display to automatically scroll through the configured display variables or to show a single display variable until the operator activates Scroll Whe...

Страница 79: ...t once Each alert must be acknowledged separately 9 3 Configure security for the display menus ProLink III Device Tools Configuration Transmitter Display Display Security Field communicator Configure Manual Setup Display Display Menus You can control operator access to different sections of the display off line menu You can also configure a passcode to control access Procedure 1 To control operato...

Страница 80: ...dling parameters control the transmitter s response to process and device conditions 9 4 1 Configure Fault Timeout ProLink III Device Tools Configuration Fault Processing Field communicator Configure Alert Setup Alert Severity Fault Timeout Fault Timeout controls the delay before fault actions are performed Restriction Fault Timeout is applied only to the following alerts listed by Status Alert Co...

Страница 81: ...ect a status alert 2 For the selected status alert set Alert Severity as desired Option Description Fault Actions when fault is detected The alert is posted to the Alert List Outputs go to the configured fault action after Fault Timeout has expired if applicable Digital communications go to the configured fault action after Fault Timeout has expired if applicable The status LED if available change...

Страница 82: ... A037 Sensor Check Failed Fault Yes A038 Time Period Signal Out of Range Fault No A100 mA Output 1 Saturated Informational To Informational or Ignore only A101 mA Output 1 Fixed Informational To Informational or Ignore only A102 Drive Overrange Informational Yes A104 Calibration in Progress Informational To Informational or Ignore only A106 Burst Mode Enabled Informational To Informational or Igno...

Страница 83: ...sage A message to be stored in device memory The message can contain up to 32 characters Descriptor A description of this device The description can contain up to 16 characters Date A static date not updated by the meter Enter the date in the form mm dd yyyy Flange Type The sensor flange type for this device Obtain the value from the documents shipped with the device or from a code in the model nu...

Страница 84: ...Configure device options and preferences Configuration and Use Manual March 2021 MMI 20020954 84 Micro Motion Gas Specific Gravity Meters SGM ...

Страница 85: ...llowing devices SGM TPS or SGM Fixed On these devices Channel B always operates as a TPS output Procedure Set Channel B as desired Option Description mA output Channel B will operate as the secondary mA Output Discrete output Channel B will operate as a discrete output 10 2 Configure the mA Output The mA Output is used to report the configured process variable The mA Output parameters control how ...

Страница 86: ...iguration of mA Output Process Variable will change the configuration of the HART Primary Variable PV and or the HART Secondary Variable SV Procedure Set mA Output Process Variable as desired Default settings are shown in the following table Table 10 1 Default settings for mA Output Process Variable Device Channel mA Output Default process variable assignment SGM mA Channel A Primary mA Output Spe...

Страница 87: ...r Volume Flow Rate Calculated COR V Volume Flow Rate Calculated Volume Flow at Reference Temperature Drive Gain DGAIN Drive Gain Drive Gain Sensor Time Period TP B Sensor Time Period Sensor Time Period User Defined Calculation Output UCALC User Defined Calculation Output User Defined Calculation Output Concentration measurement Concentration CONC Concentration Concentration CM Net Mass Flow Rate N...

Страница 88: ...ss variable Each process variable has its own set of LRV and URV values When you change the values of LRV and URV you are configuring values for the currently assigned mA Output process variable Ensure that the measurement unit for the configured process variable has been set as desired Procedure Set LRV and URV as desired LRV is the value of mA Output Process Variable represented by an output of ...

Страница 89: ...in the actual measured value Added Damping affects the reporting of mA Output Process Variable through the mA output only It does not affect the reporting of that process variable via any other method e g a frequency output or digital communications or the value of the process variable used in calculations Note Added Damping is not applied if the mA output is fixed for example during loop testing ...

Страница 90: ...ntil the timeout has elapsed Procedure 1 Set mA Output Fault Action to the desired value The default setting is Downscale Restriction If Digital Communications Fault Action is set to NAN not a number you cannot set mA Output Fault Action to None If you try to do this the device will not accept the configuration 2 If you set mA Output Fault Action to Upscale or Downscale set mA Output Fault Level a...

Страница 91: ...propriate for your application 10 3 1 Configure Discrete Output Source ProLink III Device Tools Configuration I O Outputs Discrete Output Field communicator Configure Manual Setup Inputs Outputs Discrete Output DO Source Discrete Output Source controls which device condition or process condition is reported via the Discrete Output Procedure Set Discrete Output Source to the desired option The defa...

Страница 92: ...n asserted condition tied to DO is true the circuit draws less than 1 mA When not asserted condition tied to DO is false the circuit draws as much current as it can up to a maximum of 10 mA 10 3 3 Configure Discrete Output Fault Action ProLink III Device Tools Configuration Fault Processing Field communicator Configure Manual Setup Inputs Outputs Discrete Output DO Fault Action Discrete Output Fau...

Страница 93: ...rce to Fault Then if a fault occurs the Discrete Output is always ON and the setting of Discrete Output Fault Action is ignored 10 4 Configure an enhanced event ProLink III Device Tools Configuration Events Enhanced Events Field communicator Configure Alert Setup Enhanced Events An enhanced event is used to provide notification of process changes An enhanced event occurs is ON if the real time val...

Страница 94: ...RT Bell 202 communications HART Bell 202 communications parameters support HART communications with the transmitter s primary mA terminals over a HART Bell 202 network 10 5 1 Configure basic HART parameters ProLink III Device Tools Configuration Meter Information Device Tools Configuration Communications Communications HART Field communicator Configure Manual Setup HART Communications Basic HART p...

Страница 95: ...ART Address 10 5 2 Configure HART variables PV SV TV QV ProLink III Device Tools Configuration Communications Communications HART Field communicator Configure Manual Setup Inputs Outputs Variable Mapping The HART variables are a set of four variables predefined for HART use The HART variables include the Primary Variable PV Secondary Variable SV Tertiary Variable TV and Quaternary Variable QV You ...

Страница 96: ...Relative Density Gas Molecular Weight Gas Compressibility CO2 H2 N2 CO Energy measurement Calorific Value Wobbe Index Energy Flow Interaction of HART variables and transmitter outputs The HART variables are automatically reported through specific transmitter outputs They may also be reported through HART burst mode if enabled on your transmitter Restriction One some devices the PV and the primary ...

Страница 97: ... Output Restriction Burst communications including trigger mode and event notification are not available on HART RS 485 These features are supported only on HART Bell 202 Configure HART burst messages ProLink III Device Tools Configuration Communications Communications HART Field communicator Configure Manual Setup HART Burst Mode Burst messages contain information on process variables or transmit...

Страница 98: ...bles as desired Important If you change the HART Primary Variable PV or Secondary Variable SV the process variables assigned to the primary mA Output and the secondary mA Output if applicable are automatically changed to match The PV cannot be changed on devices with fixed mA Output assignments Configure HART trigger mode ProLink III Device Tools Configuration Communications Communications HART Fi...

Страница 99: ...ble or Burst Variable 0 is set to the variable that will activate the trigger If it is not reconfigure the burst message contents 4 Set Trigger Level to the value of the process variable at which the trigger will be activated 5 Set Default Update Rate to the burst interval to be used when the trigger is not active 6 Set Update Rate to the burst interval to be used when the trigger is active Config...

Страница 100: ...ry Rate as desired Retry Rate controls the rate at which HART Command 119 is broadcast when event notification is active Default 0 5 seconds 5 Set Maximum Update Time as desired Maximum Update Time controls the rate at which HART Command 119 is broadcast when event notification is not active Default 60 seconds 10 6 Configure Modbus communications ProLink III Device Tools Configuration Communicatio...

Страница 101: ... 3 2 1 See the following table for the bit structure of bytes 1 2 3 and 4 Table 10 4 Bit structure of floating point bytes Byte Bits Definition 1 SEEEEEEE S Sign E Exponent 2 EMMMMMMM E Exponent M Mantissa 3 4 MMMMMMMM M Mantissa 4 Optional Set Additional Communications Response Delay in delay units A delay unit is 2 3 of the time required to transmit one character as calculated for the port curre...

Страница 102: ...If you set Digital Communications Fault Action to NAN you cannot set mA Output Fault Action to None If you try to do this the transmitter will not accept the configuration 10 7 1 Options for Digital Communications Fault Action Label Description ProLink III Field communicator Upscale Upscale Process variable values indicate that the value is greater than the upper sensor limit Downscale Downscale P...

Страница 103: ...u to save configuration sets to your PC This allows you to back up and restore your transmitter configuration This is also a convenient way to replicate a configuration across multiple devices Restriction This function is not available with any other communications tools Procedure 1 Choose Device Tools Configuration Transfer Save or Load Configuration Data 2 In the Configuration group box select t...

Страница 104: ...cap and safety spacer removed A Transmitter end cap B 3 mm hex key C Safety spacer D HART security switch E Unused 3 Use the hex key to loosen the two retaining screws and remove the safety spacer 4 Move the HART security switch to the ON position down The HART security switch is the switch on the left 5 Replace the safety spacer and end cap 6 Power up the meter Complete the configuration Configur...

Страница 105: ...process fluid Diagnostic variables provide data about meter operation This information can be used to understand and troubleshoot your process 12 2 1 View process variables and other data using ProLink III Monitor process variables diagnostic variables and other data to maintain process quality ProLink III automatically displays process variables diagnostic variables and other data on the main scr...

Страница 106: ...knowledge alerts using the display You can view a list containing all alerts that are active or inactive but unacknowledged Prerequisites Operator access to the alert menu must be enabled default setting If operator access to the alert menu is disabled you must use another method to view or acknowledge status alerts Note Only Fault and Informational alerts are listed The transmitter automatically ...

Страница 107: ...oll and Select simultaneously for 4 seconds Yes ACK ALL No No Yes Select Scroll EXIT Select Scroll Active unacknowledged alarms Yes No Alarm code NO ALARM Scroll Scroll Select ACK EXIT Yes No Select Scroll Configuration and Use Manual Transmitter operation MMI 20020954 March 2021 Configuration and Use Manual 107 ...

Страница 108: ...on Failed Fix Now A meter failure has occurred and must be addressed immediately Maintenance Fix Soon A condition has occurred that can be fixed at a later time Advisory Informational A condition has occurred but requires no maintenance from you Notes All fault alerts are displayed in the Failed Fix Now category All information alerts are displayed in either the Maintenance Fix Soon category or th...

Страница 109: ...d Procedure To view active or unacknowledged alerts choose Service Tools Alerts All active alerts and unacknowledged alerts are listed Note Only Fault and Informational alerts are listed The transmitter automatically filters out alerts with Status Alert Severity set to Ignore To refresh the list choose Service Tools Alerts Refresh Alerts Configuration and Use Manual Transmitter operation MMI 20020...

Страница 110: ...Transmitter operation Configuration and Use Manual March 2021 MMI 20020954 110 Micro Motion Gas Specific Gravity Meters SGM ...

Страница 111: ...ure calibration factors The default value for Temperature Offset is 0 The default value for Temperature Slope is 1 0 Accordingly the default values have no effect on the reported temperature value Note Temperature offset and temperature slope are applied only to temperature data from the on board temperature sensors internal RTD External temperature data is not adjusted Tip Although you can set Te...

Страница 112: ...lying both the trim offset and the trim slope For most applications the trim offset is sufficient Prerequisites Ensure that the active matrix is the one that you want to trim You can set the offset separately for each matrix on your transmitter Procedure 1 Take a concentration reading from the meter and record line density and sample temperature 2 Subtract the meter value from a reference device 3...

Страница 113: ... value from a reference device c Obtain a laboratory value for concentration at line density and sample temperature in the units used by the meter 2 Collect data for Comparison 2 a Change the concentration of your process fluid b Take a concentration reading from the meter and record line density and sample temperature c Subtract the meter value from a reference device d Obtain a laboratory value ...

Страница 114: ...449 B B 0 00551 Concentration slope A 1 00029 Concentration offset B 0 00551 13 4 Set up user defined calculations ProLink III Device Tools Configuration User Defined Calculations Field communicator Configure Manual Setup Measurements Optional Setup User Defined Calculations User defined calculations are used to enhance measurement or to adapt the meter to special process conditions A user defined...

Страница 115: ... If you choose this the current value of the process variable is used in the calculation Important User defined calculations are performed using the meter s internal measurement units Therefore If a constant represents a process variable you must enter its value in the internal measurement units If a constant will be used to modify a process variable you must use the internal measurement units to ...

Страница 116: ...Measurement units used in user defined calculations The meter s internal measurement units are used for all process variables referenced by a user defined calculation All constants must be entered in the internal measurement units or derived using the internal measurement units Table 13 1 Process variables and internal measurement units Process variable Internal measurement unit Density g cm Refer...

Страница 117: ...H2 Line Pressure Bar a Sensor Time Period Microseconds Specific Gravity gas Unitless Specific Gravity concentration measurement Unitless Compressibility Unitless CII Unitless CCAI Unitless Quality Factor Unitless Wobbe Index Unitless Configuration and Use Manual Measurement support MMI 20020954 March 2021 Configuration and Use Manual 117 ...

Страница 118: ...Measurement support Configuration and Use Manual March 2021 MMI 20020954 118 Micro Motion Gas Specific Gravity Meters SGM ...

Страница 119: ...iate for your application Ensure that the installation meets temperature and or pressure requirements Check for active status alerts and follow the recommendations If the device appears to be functioning correctly but the process data is not acceptable review the symptoms and suggestions in the following sections Density measurement problems Temperature measurement problems Gas measurement problem...

Страница 120: ...let J Process gas sampling point K Tubing work not shown in diagram L Coalescent filter M Coalescent filter drain two way valve N Particle filter O Flow meter P Transmitter Q Reference chamber pressure indicator R Relief valve S Drain 14 2 1 Verify low calibration gas Procedure 1 Close the process gas inlet valve D 2 Set the process calibration selector valve B to the calibration position 3 Connec...

Страница 121: ... verify that the variable reading is the same as the expected value for the calibration gas that is flowing calibration gas 2 Postrequisites Once both calibration gases have been verified put the system back into service in Finish verification 14 2 3 Finish verification Once both calibration gases have been verified use this procedure to put the system back into service Procedure 1 Disconnect the ...

Страница 122: ... 20 seconds 5 Check the results in the Results data display If all process variables passed the tests no action is required Click Close to exit the wizard If one or more process variables failed the test For problems with Line Temperature verify that the ambient temperature of the meter is stable and that the meter temperature has stabilized in the test location Then retry the Known Density Verifi...

Страница 123: ...a voltmeter to test the voltage at the transmitter s power supply terminals If the voltage is within the specified range you do not have a power supply problem If the voltage is low ensure that the power supply is adequate at the source the power cable is sized correctly there is no damage to the power cable and an appropriate fuse is installed If there is no power continue with this procedure 2 B...

Страница 124: ...edures to ensure that loop testing will not interfere with existing measurement and control loops Procedure 1 Test the mA outputs a Choose OFFLINE MAINT SIM AO1 SIM or OFFLINE MAINT SIM AO2 SIM and select a low value e g 4 mA Dots traverse the display while the output is fixed b Read the mA current at the receiving device and compare it to the transmitter output The readings do not need to match e...

Страница 125: ...r than 200 microamps or if at any step the reading was faulty verify the wiring between the transmitter and the remote device and try again If the Discrete Output readings are reversed check the setting of Discrete Output Polarity If the TPS output readings do not match contact customer service 14 6 2 Perform loop tests using ProLink III Prerequisites Before performing a loop test configure the ch...

Страница 126: ...are the reading to the Sensor Time Period process variable at your meter Postrequisites If the mA Output readings are within 200 microamps of each other you can correct this discrepancy by trimming the output If the discrepancy between the mA Output readings is greater than 200 microamps or if at any step the reading was faulty verify the wiring between the transmitter and the remote device and tr...

Страница 127: ...put Loop Test b Choose Off c Verify the signal at the receiving device d Press OK e Choose On f Verify the signal at the receiving device g Press OK h Choose End 3 Test the TPS output a Attach a frequency counter oscilloscope digital multimeter DMM or digital voltmeter DVM to the TPS output loop b Compare the reading to the Sensor Time Period process variable at your meter Postrequisites If the mA...

Страница 128: ...output behavior You can continue with configuration or process measurement If you choose you can identify and resolve the alert condition Flashing yellow Calibration in progress or Known Density Verification in progress The low severity alert condition does not affect measurement accuracy or output behavior You can continue with configuration or process measurement If you chose you can identify an...

Страница 129: ...calibrated for specific gravity or relative density the overrange is greater than 3 0 If calibrated for molecular weight the overrange is greater than 86 7 g mol If other alerts are present resolve those alert conditions first If the current alert persists continue with the recommended actions Check for foreign material in the process gas or fluid coating or other process problems Verify all of th...

Страница 130: ... parameters See the sensor tag or the calibration sheet for your meter Perform site calibration procedures A021 Transmitter Sensor Software Mismatch The configured board type does not match the physical board Verify all of the characterization or calibration parameters See the sensor tag or the calibration sheet for your meter Ensure that the correct board is installed A029 Internal Electronics Fa...

Страница 131: ...the mA output is configured to send a constant value Check whether the output is in loop test mode If it is unfix the output Exit mA output trim if applicable Check the HART address If the HART address is non zero you may need to change the setting of mA Output Action Loop Current Mode Check whether the output has been set to a constant value via digital communication A102 Drive Overrange The driv...

Страница 132: ...115 No External Input or Polled Data The connection to an external measurement device has failed No external data is available Verify that the external device is operating correctly Verify the wiring between the transmitter and the external device Verify the HART polling configuration A118 Discrete Output 1 Fixed The discrete output has been configured to send a constant value Check whether the ou...

Страница 133: ...6 Check for leakage See Check for leakage 7 Perform Known Density Verification 14 9 2 Inaccurate density reading Cause Inaccurate temperature measurement Incorrect calibration factors Leakage from the reference chamber or into the reference chamber Condensation or deposition on the vibrating element or the internal walls of the cylinder Contaminants or suspended solids in the process gas Recommend...

Страница 134: ...y reading too low Cause Leakage from the reference chamber to the atmosphere Leaks in the pipework or fittings Recommended actions Check for leakage See Check for leakage 14 10 Temperature measurement problems 14 10 1 Inaccurate temperature data from external device Cause Wiring problem Problem with input configuration Problem with external device Recommended actions 1 Verify the wiring between th...

Страница 135: ...ure or other inputs Inappropriate calibration factors Recommended actions 1 Ensure that the process data used for gas measurement is accurate This includes density temperature pressure gas composition 2 Ensure that the correct calibration is being used for measurement 3 Recalibrate the device 14 12 Concentration measurement problems 14 12 1 Inaccurate concentration measurement reading Cause Inaccu...

Страница 136: ... the output loop is powered externally Check the power supply and power supply wiring See Check power supply wiring Verify the output wiring Check the Fault Action settings See Check mA Output Fault Action Contact customer service mA output below 4 mA Open in wiring Bad output circuit Process condition below LRV LRV and URV are not set correctly Fault condition if Fault Action is set to Internal Z...

Страница 137: ...the output Check the Fault Action settings See Check mA Output Fault Action Check the settings of Upper Range Value and Lower Range Value See Check Lower Range Value and Upper Range Value Check the mA output trim See Trim mA outputs Consistently incorrect mA measurement Loop problem Output not trimmed correctly Incorrect measurement unit configured for process variable Incorrect process variable c...

Страница 138: ...ure that Discrete Output Polarity is set correctly 14 15 Time Period Signal TPS output problems Table 14 4 TPS output problems and recommended actions Problem Possible causes Recommended actions No TPS output The TPS output is not supported on this device TPS wiring is connected to the wrong terminals Output not powered External short or low input impedance Verify that the output loop is powered e...

Страница 139: ...17 Trim mA outputs Trimming an mA output calibrates the transmitter s mA output to the receiving device If the current trim values are inaccurate the transmitter will under compensate or over compensate the output Related information Trim mA Outputs using ProLink III Trim mA Outputs using a field communicator 14 17 1 Trim mA Outputs using ProLink III Trimming the mA output establishes a common mea...

Страница 140: ...A Output affects the mA reading Disconnect the wiring between a field communicator and the transmitter terminals when reading the primary mA Output at the receiving device Reconnect to continue the trim 3 Check the trim results If any trim result is less than 200 microamps or greater than 200 microamps contact customer service 14 18 Check HART communications If you cannot establish or maintain HAR...

Страница 141: ...AO1 terminals as shown in the following figure Figure 14 2 Wiring and power to test terminals A B C D A Voltmeter B 250 600 Ω resistance C External power supply D Transmitter with end cap removed c Using a voltmeter check the voltage drop across the resistor For a 250 Ω resistor 4 20 mA 1 5 VDC If the voltage drop is less than 1 VDC add resistance to achieve a voltage drop within the required rang...

Страница 142: ...g options Change the setting of mA Output Fault Action For the relevant status alerts change the setting of Alert Severity to Ignore Restriction For some status alerts Alert Severity is not configurable 3 If there are no active fault conditions continue troubleshooting 14 21 Check for radio frequency interference RFI The meter s TPS output or discrete output can be affected by radio frequency inte...

Страница 143: ...the reference chamber pressure reading If this leak is present the reference chamber pressure will increase and will eventually match line pressure Contact customer service 3 Check for leaks in the pipework or fittings Leaks in the pipework or fittings will reduce input pressure When the input pressure is too low to create flow the density reading will be low a Apply a soap solution to all locatio...

Страница 144: ... gain Excessive or erratic drive gain may indicate any of a variety of process conditions or sensor problems To know whether your drive gain is excessive or erratic you must collect drive gain data during the problem condition and compare it to drive gain data from a period of normal operation Excessive saturated drive gain Table 14 6 Possible causes and recommended actions for excessive saturated...

Страница 145: ...05 to 0 01 volts To know whether your pickoff voltage is unusually low you must collect pickoff voltage data during the problem condition and compare it to pickoff voltage data from a period of normal operation Table 14 8 Possible causes and recommended actions for low pickoff voltage Possible cause Recommended actions Moisture settling of two phase or three phase fluids Increase the inlet or back...

Страница 146: ...Possible cause Recommended action Faulty cable Replace the cable Shorts to the housing created by trapped or damaged wires Contact customer service Loose wires or connectors Contact customer service Liquid or moisture inside the housing Contact customer service 14 27 Locate a device using the HART 7 Squawk feature The Squawk feature causes the device to show a specific pattern on its display You c...

Страница 147: ...with a factory test certificate The certificate describes the testing and configurations that were performed or applied at the factory Figure A 1 Sample factory test certificate Configuration and Use Manual Factory test certificate MMI 20020954 March 2021 Configuration and Use Manual 147 ...

Страница 148: ...Factory test certificate Configuration and Use Manual March 2021 MMI 20020954 148 Micro Motion Gas Specific Gravity Meters SGM ...

Страница 149: ...tches are activated B 3 Access and use the display menu system The display menu system is used to perform various configuration administrative and maintenance tasks Prerequisites To access the display menu system operator access to either the Off Line menu or the Alert menu must be enabled To access the complete menu system operator access must be enabled for both the Off Line menu and the Alert m...

Страница 150: ...vious display 6 To exit the display menu system you can use either of the following methods Exit each menu separately working your way back to the top of the menu system Wait until the display times out and returns to displaying process variable data B 3 1 Enter a floating point value using the display Certain configuration values for example Lower Range Value and Upper Range Value are entered as ...

Страница 151: ...e Select until the decimal point is flashing b Activate Scroll The decimal point is removed from its current position c Activate Select and watch the position of the decimal point As the cursor moves to the left the decimal point will flash between each pair of digits up to a maximum precision of four four digits to the right of the decimal point Tip If the position is not valid the decimal point ...

Страница 152: ...efore switching to exponential notation 2 Enter the exponent The first character may be a minus sign or any digit between 0 and 3 The second character may be any digit between 0 and 9 a Activate Select to move the cursor to the rightmost character on the display b Activate Scroll until the desired character is displayed c Activate Select to move the cursor one position to the left d Activate Scrol...

Страница 153: ...ctivate Select 6 Switch back from exponential notation to decimal notation a Activate Select until the E is flashing b Activate Select until d is displayed c Activate Select B 4 Display codes for process variables Table B 2 Display codes for process variables Code Definition Standard DENS Line Density TEMP Sample Temperature EXT T Line Temperature External EXT P Line Pressure External Z Compressib...

Страница 154: ...OW Energy Flow B 5 Codes and abbreviations used in display menus Table B 3 Display codes for measurement units Code Measurement unit Percent PLATO Plato SOL V solution by volume SOL W solution by weight STM Q steam quality C Celsius F Fahrenheit K Kelvin R Rankine ATM Atmospheres B BBL Beer barrels BALL Balling BAR Bars BAUMH Baumé heavy BAUML Baumé light Using the transmitter display Configuratio...

Страница 155: ...Units per pound BTU MN British Thermal Units per minute BTU scf British Thermal Units per standard cubic foot CM Centimeters CMHG0 Centimeters of mercury at 4 C CMW60 Centimeters of water at 60 F cP Centipoise cSt Centistoke CUF LB Cubic feet per pound CUF MN Cubic feet per minute CUFT Cubic feet CUFT D Cubic feet per day CUFT H Cubic feet per hour CUFT S Cubic feet per second CUIN Cubic inches CU...

Страница 156: ...Hours HPA Hectopascals HZ Hertz IN Inches INH2O Inches of water at 68 F INHG Inches of mercury at 0 C INW4C Inches of water at 4 C INW60 Inches of water at 60 F KG Kilograms KG D Kilograms per day KG H Kilograms per hour KG L Kilograms per liter KG M2 Kilograms per square meter KG M3 Kilograms per cubic meter KG MIN Kilograms per minute KG S Kilograms per second KG SCM Kilograms per square centime...

Страница 157: ...econd M3 Cubic meters M3 D Cubic meters per day M3 H Cubic meters per hour M3 MIN Cubic meters per minute M3 S Cubic meters per second mA Milliamperes mBAR Millibars METER Meters MHG0C Meters of mercury at 0 C MILG D Million gallons per day MILL D Million liters per day MIN Minutes MJ DAY Megajoules per day MJ H MegaJoules per hour MJ kg Megajoules per kilogram MJ m3 Megajoules per cubic meter MJ ...

Страница 158: ...M3 M Normal cubic meters per minute NM3 S Normal cubic meters per second OHM Ohms OUNCE Ounce PA Pascals PF Picofarads PPM Parts per million PRF M Proof per mass PRF V Proof per volume PSF Pounds per square foot PSI Pounds per square inch gauge PSI A Pounds per square inch absolute SCF Standard cubic feet SCFD Standard cubic feet per day SCFH Standard cubic feet per hour SCFM Standard cubic feet p...

Страница 159: ... per day ST H Short tons per hour ST MIN Short tons per minute T Metric tons T D Metric tons per day T H Metric tons per hour T MIN Metric tons per minute TONUK Long tons 2240 pounds TONUS Short tons 2000 pounds TORR Torr at 0 C UKGAL Imperial gallons UKGPD Imperial gallons per day UKGPH imperial gallons per hour UKGPM Imperial gallons per minute UKGPS Imperial gallons per second UMHO Microsiemens...

Страница 160: ...V Active ADDR Address ALARM Alert ALL All ALT Altitude ANTHR Another AO 1 mA Output 1 AO 1 SRC mA Output 1 Source AO 2 mA Output 2 AO 2 SRC mA Output 2 Source API API American Petroleum Institute APPLY Apply ASCII ASCII AUTO Auto AUTOSCRL Auto Scroll AVG Average BASE Base BDENS Base Density BRD T Board temperature CAL Calibrate or Calibration CAL Calibration result Using the transmitter display Co...

Страница 161: ...ass flow rate from Coriolis input COR V Volume flow rate calculated from Coriolis input CUR Z Current zero value CURVE Matrix CUSTD Custody transfer Weights Measures CUSTODY XFER Custody transfer Weights Measures CV Calorific value DENS Density DEV Maximum deviation DGAIN Drive gain DISBL Disabled DISPLAY Display DO Discrete Output DO SRC Discrete Output Source DRIVE Drive gain DRIVE Drive gain DS...

Страница 162: ...T External or fixed temperature FAC Z Factory zero value FACT Factor FACTORY Factory FAIL Fail FAULT Fault FCTOR Factor FILL Fill FIX Fix FREN French GAS Gas GER German GOOD Good H2 Hydrogen HART HART HIDE Hide HIGH High IO Input Output K VAL K value K0 K0 calibration factor K1 K1 calibration factor K2 K2 calibration factor KDV Known Density Verification Using the transmitter display Configuration...

Страница 163: ...ce MAO 1 mA Output 1 MAO 2 mA Output 2 MASS Mass MBUS Modbus MDIUM Medium MEASR Measurement MMI Micro Motion mS Millisecond MTR F Meter factor MW Molecular weight N2 Nitrogen NET M Net mass flow rate NET V Net volume flow rate NO No nSEC Nanoseconds NUMBR Number OFF Off OFF LINE Offline OFFLN Offline OFFSET Offset OFFST Offset ON On O O O O HART Squawk display OOR Out of range Configuration and Us...

Страница 164: ... Reference or Referred RESTORE Restore RESULT Result RPO Right pickoff RTEMP Reference temperature RUN Run RVISC Referred viscosity SAVE Save SCALE Scale SCL F Dynamic viscosity scale factor SCREEN Screen SCRLL Scroll SCROLL Scroll SECURE Secure mode enabled SEE See SELECT Select SET Set Set simulated value Set configuration value SETPOINT Setpoint SG Specific gravity SGU Specific gravity SHOW Sho...

Страница 165: ...rence TEMP Temperature TP Time Period TP A Sensor Time Period Upper TP B Sensor Time Period TPS Time Period Signal TYPE Type UCALC User defined calculation ULTRA Ultra low UNITS Units VEL Velocity VELSW Flow switch or velocity switch VERSION_STRING Revision or Version VISC Viscosity VOL Volume VOLTS Volts WOBBE Wobbe index XMTR Transmitter YES Yes YES Confirm Z Compressibility ZERO Zero Configurat...

Страница 166: ...Using the transmitter display Configuration and Use Manual March 2021 MMI 20020954 166 Micro Motion Gas Specific Gravity Meters SGM ...

Страница 167: ...II installations the manual is installed with the ProLink III program Additionally the ProLink III manual is available on the documentation CD or at www emerson com ProLink III features and functions ProLink III offers complete transmitter configuration and operation functions ProLink III also offers a number of additional features and functions including The ability to save the transmitter config...

Страница 168: ... be used only for temporary connections and may require extra safety precautions Modbus connections including service port connections are typically faster than HART connections When you are using a HART connection ProLink III will not allow you to open more than one window at a time This is done to manage network traffic and optimize speed You cannot make concurrent Modbus connections if the conn...

Страница 169: ...l port connection USB connections are also supported 3 To connect over the RS 485 network a Attach the leads from the signal converter to any point on the network b Add resistance as necessary c Ensure that the PLC or DCS is not trying to communicate to this meter at this time Restriction The meter does not support concurrent connections from ProLink III and a PLC or DCS If another host is already...

Страница 170: ...ction type Parameter Value Optional or required Auto detection Service port Protocol Service Port Required No PC Port The PC port that you are using for this connection Required No Modbus RS 485 Protocol Modbus RTU or Modbus ASCII Required Yes The device accepts connection requests that use either protocol and responds using the same protocol PC Port The PC port that you are using for this connect...

Страница 171: ...PC Check the wiring between the PC and the transmitter For long distance communication or if noise from an external source interferes with the signal install 120 Ω W terminating resistors in parallel with the output at both ends of the communication segment Ensure that there is no concurrent Modbus communication to the transmitter C 2 3 Connect with ProLink III over HART Bell 202 Prerequisites Pro...

Страница 172: ... the mA terminals Procedure 1 Attach the signal converter to the serial port or USB port on your PC 2 To connect directly to the transmitter terminals a Remove the transmitter end cap to access the wiring compartment b Connect the leads from the signal converter to terminals 1 and 2 Note HART connections are not polarity sensitive It does not matter which lead you attach to which terminal c Add re...

Страница 173: ...e connected across a resistance of 250 600 Ω The mA Output requires an external power supply with a minimum of 250 Ω and 17 5 V See the following figure to help determine the appropriate combination of voltage and resistance Note that many PLCs have a built in 250 Ω resistor If the PLC is powering the circuit be sure to take this into consideration Configuration and Use Manual Using ProLink III wi...

Страница 174: ...any point in the loop ensuring that the leads are across the resistor b Add resistance as necessary to achieve at least one volt across the connection points Important HART Bell 202 connections require a voltage drop of 1 VDC To achieve this add resistance of 250 600 Ω to the connection Using ProLink III with the transmitter Configuration and Use Manual March 2021 MMI 20020954 174 Micro Motion Gas...

Страница 175: ...e also supported The signal converter must be connected across a resistance of 250 600 Ω The mA output requires an external power supply with a minimum of 250 Ω and 17 5 V See the following figure to help determine the appropriate combination of voltage and resistance Note that many PLCs have a built in 250 Ω resistor If the PLC is powering the circuit be sure to take this into consideration Confi...

Страница 176: ...e signal converter to any point in the loop b Add resistance as necessary to achieve at least one volt across the connection points Important HART Bell 202 connections require a voltage drop of 1 VDC To achieve this add resistance of 250 600 Ω to the connection Using ProLink III with the transmitter Configuration and Use Manual March 2021 MMI 20020954 176 Micro Motion Gas Specific Gravity Meters S...

Страница 177: ...mitter use the default address 0 If you are not in a HART multidrop environment the HART polling address is typically left at the default value If you are unsure of the transmitter s address click Poll The program will search the network and return a list of the transmitters that it detects 10 Set the PC Port value to the PC COM port that you are using for this connection 11 Set Master as appropri...

Страница 178: ...s powered Increase or decrease resistance Disable burst mode Ensure that the resistor is installed correctly If the mA Output is internally powered active the resistor must be installed in parallel If the mA Output is externally powered passive the resistor must be installed in series Ensure that there is no conflict with another HART master If any other host DCS or PLC is connected to the mA Outp...

Страница 179: ...ion Density Gas Viscosity Meter Dev v2 DD v1 or later To view the device descriptions that are installed on your field communicator 1 At the HART application menu press Utility Available Device Descriptions 2 Scroll the list of manufacturers and select Micro Motion then scroll the list of installed device descriptions If Micro Motion is not listed or you do not see the required device description ...

Страница 180: ...ng compartment in a hazardous area can cause an explosion Important If the HART security switch is set to ON HART protocol cannot be used to perform any action that requires writing to the transmitter For example you cannot change the configuration reset totalizers or perform calibration using a field communicator When the HART security switch is set to OFF no functions are disabled Procedure 1 To...

Страница 181: ...necessary Your field communicator must be connected across a resistance of 250 600 Ω Figure D 2 Field communicator connection to local HART loop A Field communicator B 250 600 Ω resistance C External power supply D Transmitter with end cap removed 3 To connect to a point in the HART multidrop network attach the leads from your field communicator to any point on the network Configuration and Use Ma...

Страница 182: ... a multidrop network the HART address has probably been set to a different unique value Postrequisites To navigate to the Online menu choose HART Application Online Most configuration maintenance and troubleshooting tasks are performed from the Online menu Tip You may see messages related to the DD or active alerts Press the appropriate buttons to ignore the message and continue Need help A field ...

Страница 183: ...our process gas These coefficients are required for accurate measurement Complete the purge procedure The reference chamber must be filled with the reference gas to the appropriate pressure Know whether you want the device to operate as a specific gravity meter a molecular weight meter or a relative density meter Identify all required calibration gases and know their specific gravity molecular wei...

Страница 184: ...nsmitter Q Reference chamber pressure indicator R Relief valve S Drain Procedure 1 Choose Device Tools Calibration Gas Calibration 2 Set the measurement type for this device Option Description Specific Gravity SG Gas density will be measured as specific gravity and specific gravity will be used for calibration Molecular Weight MW Gas density will be measured as molecular weight and molecular weigh...

Страница 185: ...the appropriate sample pressure for your installation Important Make sure the process gas inlet two way valve D is closed c Set the process calibration gas valve to the calibration position d Set the calibration gas selector valve to the calibration gas inlet 1 position and open the outlet valve e As the gas flows select the Start button and observe the Live Sensor Time Period and Stability values...

Страница 186: ...abilize g When Stability is Good select Accept If measurement does not stabilize after 30 minutes select Abort and troubleshoot the problem h Disconnect the calibration gas 11 Select Next 12 Review the results for this calibration 13 Select Finish to save the results and exit or select Add Calibration to add a calibration Tip You can also set Active Calibration from the Calibration Data window Thi...

Страница 187: ...c gravity range 3 Record the Density Temperature Coefficient DTC for the meter The DTC is provided on the meter s calibration sheet and on a label inside the transmitter front cover 4 Check the example references chamber pressures on the calculation aid and change them as needed 5 Using the following equations calculate the density range for each reference chamber pressure Figure F 1 Density range...

Страница 188: ...error ErrorVOS 0 0034 x SGMax C SGmax Maximum specific gravity value F 1 Calculation aid and examples Blank calculation form Type of gas Specific gravity range ______ to ______ SGM temp coefficient kg m3 C Reference chamber pressure at 20 C 18 psia 1 24 bara 30 psia 2 bara 60 psia 4 bara 100 psia 7 bara Density range at 20 C in kg m3 ______ to ______ ______ to ______ ______ to ______ ______ to ___...

Страница 189: ... full scale specific gravity C Example Calculating the control reference chamber pressure for an N2 CO2 mix Type of gas N2 CO2 mix Specific gravity range 1 0 to 1 5 SGM temp coefficient kg m3 C 0 0003 Reference chamber pressure at 20 C 18 psia 1 24 bara 30 psia 2 bara 60 psia 4 bara 100 psia 7 bara Density range at 20 C in kg m3 1 44 to 2 16 2 4 to 3 6 4 8 to 7 2 8 4 to 12 6 Measurement error 1 Te...

Страница 190: ...otion Inc All rights reserved The Emerson logo is a trademark and service mark of Emerson Electric Co Micro Motion ELITE ProLink MVD and MVD Direct Connect marks are marks of one of the Emerson Automation Solutions family of companies All other marks are property of their respective owners ...

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