Sensus Auto Adjust Program For ROC800 Series User Manual

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Part Number D301198X012Form A6153June 2016Sensus Auto-Adjust Program User Manual(for ROC800-Series Remote OperationsControllers)Remote Automation Solutions

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Revision Tracking SheetJune 2016This manual may be revised periodically to incorporate new or updated information. The revision date of eachpage appears at the bottom of the page opposite the page number. A change in revision date to any page alsochanges the date of the manual that appears on the front cover. Listed below is the revision date of each page (ifapplicable):PageAll pagesAll pagesAll pagesAll pagesAll pagesInitial ch-2009May-2006December-2003ContentsRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)ContentsChapter 1 – Introduction1-11.1 Scope and Organization. 1-11.2 Product Overview . 1-21.3 Program Requirements . 1-21.3.1 License Keys . 1-3Chapter 2 – Installation2-12.1 Wiring the Auto-Adjust Turbo-Meter (using Pulse Input Module) . 2-12.2 Wiring the Auto-Adjust Turbo-Meter (using Advanced Pulse Module) . 2-32.3 Installing the License Key . 2-52.3.1 Verifying the License Key Installation . 2-62.4 Downloading the Auto-Adjust Program . 2-72.5 MPU Loading Threshold . 2-11Chapter 3 – Configuration3-13.1 Auto-Adjust Configuration Screen. 3-23.2 Auto-Adjust Alarms Screen . 3-73.3 Saving the Configuration . 3-10Chapter – 4 Reference Materials4-14.1 Example Calibration Data Report . 4-14.2 Point Type 62/63: Auto-Adjust Program Configuration . 4-3iiiContentsRevised June-2016

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Sensus Auto-Adjust Program User Manual (for ROC800-Series)Chapter 1 – IntroductionIn This Chapter1.11.21.3Scope and Organization . 1-1Product Overview . 1-2Program Requirements. 1-21.3.1 License Keys . 1-3This chapter describes the structure of this manual and presents anoverview of the Sensus Auto-Adjust Program for the ROC800-SeriesRemote Operations Controller.1.1Scope and OrganizationThis document serves as the user manual for the Sensus Auto-Adjust Turbo-Meter program, which is intended for use in the ROC800-SeriesRemote Operations Controllers (“ROC800s”). This manual describes howto download, install, and configure the Sensus Auto-Adjust Turbo-Meteruser program (referred to as the “Auto-Adjust program” or “the program”throughout the rest of this manual). You access and configure this programusing ROCLINK 800 Configuration Software (version 1.74 or greater)loaded on a personal computer (PC) running Microsoft Windows 7 (32bit or 64-bit).The sections in this manual provide information in a sequence appropriatefor first-time users. Once you become familiar with the procedures and thesoftware, the manual becomes a reference tool.This manual has the following major sections: Section 1 – IntroductionSection 2 – InstallationSection 3 – ConfigurationSection 4 – ReferenceThis manual assumes that you are familiar with the ROC800s and theirconfiguration. For more information, refer to the following manuals: Revised June-2016ROC800-Series Remote Operations Controller Instruction Manual(part D301217X012)ROCLINK 800 Configuration Software User Manual (partD301250X012)Introduction1-1

Sensus Auto-Adjust Program User Manual (for ROC800-Series)1.2Product OverviewThe Auto-Adjust program enables a ROC800 to read the pulse countersonce each second for all configured and run-enabled Auto-Adjust points.The program calculates an “adjusted volume rate” based on the frequencyvariations between the main and sensing rotors on the Turbo-Meter. Usingthe AAT Volume and % Error values from the Turbo-Meter calibrationreport (see the example calibration report included in Section 4, ReferenceMaterials), you enter these values in the Auto-Adjust Calibration Curvepane on the Auto-Adjust Configuration screen (see Figure 17). Theprogram uses these calibration-based correction values to calculate an“adjusted uncorrected volume factor,” or AUVF. If you enable the Autoadjust calibration curve, the program applies the AUVF factor to theadjusted volume rate. The adjusted volume rate is the parameter thatshould be used as the uncorrected volume input to the AGA 7 calculations,which results in a volume flow rate at base conditions.The adjusted volume calculation provides a measurement registration thatadjusts flow values back to original factory calibration accuracy, thuscompensating for meter changes or abnormal flow conditions.Note: When using the Auto-Adjust program on a ROC800, you don’tneed to use any other equipment to interface with an Auto-AdjustTurbo-Meter.For further information on the Auto-Adjust calculations, equations, andflowcharts, refer to the Auto-Adjust Turbo-Meter Algorithms manualavailable from Sensus Metering Systems (www.sensus.com).1.3Program RequirementsFor programs being installed on a ROC800-Series 1, the Auto-Adjustprogram is compatible with version 2.02 (or greater) of the firmware andwith version 1.74 (or greater) of the ROCLINK 800 software. Forprograms being installed on a ROC800-Series 2, the Auto-Adjust programis compatible with version 3.00 (or greater) of the firmware and withversion 1.87 (or greater) of the ROCLINK 800 software.Program specifics include:File NameAutoAdjust.62.tar1-2TargetUnit/VersionUser DefinedPoint (UDP)Flash Used(in bytes)SRAM Used(in bytes)DRAM Used(in bytes)ROCLINK800 VersionDisplayNumberROC800Series 12.02622887426311146881.74 (orgreater)5, 6ROC800Series 23.00622887426311146881.87 (orgreater)5, 6IntroductionRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)AutoAdjust.63.tarROC800Series 12.02632887426311146881.74 (orgreater)5, 6ROC800Series 23.00632887426311146881.74 (orgreater)5, 6Note: You must connect a PC to the ROC800’s LOI port before startingthe download.For information on viewing the memory allocation of user programs, referto the ROCLINK 800 Configuration Software User Manual (partD301250X012).1.3.1 License KeysLicense keys, when matched with valid license codes, grant access toapplications such as the Auto-Adjust program.The term “license key” refers to the physical piece of hardware that cancontain up to seven different licenses (refer to Figure 1). Each ROC800can have none, one, or two license keys installed. If you remove a licensekey after enabling an application, the firmware disables the task fromrunning. This prevents unauthorized execution of protected applications ina ROC800.J1U1DOC0422AFigure 1. License KeyYou must install the following license keys to use the Auto-AdjustProgram. Auto-Adjust License Key.Note: Each Auto-Adjust Turbo-Meter requires a separate license. Forexample, to enable two Auto-Adjust Turbo-Meter calculations,two Auto-Adjust licenses must be present on the license key. Revised June-2016AGA 3/7/8 License Key (not included in this program).Introduction1-3

Sensus Auto-Adjust Program User Manual (for ROC800-Series)[This page is intentionally left blank.]1-4IntroductionRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Chapter 2 – InstallationIn This Chapter2.1 Wiring the Auto-Adjust Turbo-Meter (using Pulse Input Module) . 2-12.2 Wiring the Auto-Adjust Turbo-Meter (using Advanced Pulse Module) . 2-32.3 Installing the License Key . 2-52.3.1 Verifying the License Key Installation . 2-62.4 Downloading the Auto-Adjust Program. 2-72.5 MPU Loading Threshold . 2-11This section provides instructions for installing the Auto-Adjust program.Read Section 1.3 of this manual for program requirements.Note: The program and license key can be installed in any order. Themanual shows the installation of the license key first.2.1Wiring the Auto-Adjust Turbo-Meter (using Pulse Input Module)Wiring a ROC800 to a Sensus Auto-Adjust Turbo-Meter requires thatyou use a Dual-Channel safety barrier. You can purchase the safety barrierfrom Sensus. Install the safety barrier in the Safe Area with the ROC800,not in the Hazardous Area with the Turbo-Meter.You can install either a blade tip sensor Turbo-Meter (refer to Figure 2and Invensys drawing MM-1922-B) or a slot sensor Turbo-Meter (refer toFigure 3 and Invensys drawing MM-2126-B).If you are installing a blade tip sensor Turbo-Meter, refer to Figure 2 andInvensys drawing MM-1922-B. Use two Dual-Channel safety barriers anda power safety barrier. The power for each of the Dual-Channel safetybarriers should be 24 volt dc. You cannot power both barriers from thePulse Input module.Revised June-2016Installation2-1

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 2. Turbo-Meter with Blade Tip Sensor Installation (Pulse Input Module)If you are installing a slot sensor Turbo-Meter, refer to Figure 3 andInvensys drawing MM-2126-B. The power for the Dual-Channel safetybarrier can come from the Pulse Input module’s T connection. When youconfigure the PI module (using ROCLINK 800), set the T channel to 24Volts dc.2-2InstallationRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 3. Turbo-Meter with Slot Sensor Installation (Pulse Input Module)Note: For either the blade tip or slot sensor Turbo-Meter, be sure tofollow all instructions on the Invensys drawings and on anyliterature that accompanies the safety barrier and Turbo-Meter.2.2Wiring the Auto-Adjust Turbo-Meter (using Advanced Pulse Module)Wiring a ROC800 to a Sensus Auto-Adjust Turbo-Meter requires thatyou use a Dual-Channel safety barrier. You can purchase the safety barrierfrom Sensus. Install the safety barrier in the Safe Area with the ROC800,not in the Hazardous Area with the Turbo-Meter.You can install either a blade tip sensor Turbo-Meter (refer to Figure 4)or a slot sensor Turbo-Meter (refer to Figure 5).If you are installing a blade tip sensor Turbo-Meter, refer to Figure 4. Usetwo Dual-Channel safety barriers and a power safety barrier. The powerfor each of the Dual-Channel safety barriers should be 24 volt dc. Youcannot power both barriers from the Advanced Pulse Module.Revised June-2016Installation2-3

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 4. Turbo-Meter with Blade Tip Sensor Installation (Advanced Pulse Module)If you are installing a slot sensor Turbo-Meter, refer to Figure 5. Thepower for the Dual-Channel safety barrier can come from the Pulse Inputmodule’s T connection. When you configure the PI module (usingROCLINK 800), set the T channel to 24 Volts dc.2-4InstallationRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 5. Turbo-Meter with Slot Sensor Installation (Advanced Pulse Module)Note: For either the blade tip or slot sensor Turbo-Meter, be sure tofollow all instructions on the drawings and on any literature thataccompanies the safety barrier and Turbo-Meter.2.3Installing the License KeyIf you order the Auto-Adjust program for a new ROC800, your ROC800is delivered with the license key installed. Go to Section 2.3.If you order the program for an existing ROC800, you must install thelicense key yourself.CautionFailure to exercise proper electrostatic discharge precautions, such as wearing agrounded wrist strap may reset the processor or damage electronic components,resulting in interrupted operations.When working on units located in a hazardous area (where explosive gases may bepresent), make sure the area is in a non-hazardous state before performing theseprocedures. Performing these procedures in a hazardous area could result inpersonal injury or property damage.To install a license key:1. Remove power from the ROC800.2. Remove the wire channel cover.3. Unscrew the screws from the Central Processing Unit (CPU) faceplate.4. Remove the CPU faceplate.5. Place the license key in the appropriate terminal slot (P4 or P6) in theCPU.Revised June-2016Installation2-5

Sensus Auto-Adjust Program User Manual (for ROC800-Series)DOC0423AFigure 6. License Key InstallationNote: When using a single license key, install it in slot P4.6. Press the license key into the terminal until it is firmly seated (refer toFigure 6).7. Replace the CPU faceplate.8. Replace the screws on the CPU faceplate.9. Replace the wire channel cover.10. Restore power to the ROC800.2.3.1 Verifying the License Key InstallationAfter you install the license key, you can verify whether the ROC800recognizes the key. From the ROCLINK 800 screen, select Utilities License Key Administrator. The License Key Administrator screendisplays:Figure 7. License Key AdministratorThe Auto-Adjust program appears in the Application Name column. (Forfurther information on the License Key Administrator screen, refer to theROCLINK 800 Configuration Software User Manual (partD301250X012).2-6InstallationRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Note: The value in the App Code field on this screen indicates the totalnumber of supported meters available on this ROC800.After you verify that the license key is correctly installed and recognized,proceed to Section 2.3.2.4Downloading the Auto-Adjust ProgramThis section provides instructions for installing the Auto-Adjust programfile into the Flash memory on the ROC800.Note: Two versions of the program are included. Installation andoperation are identical between the two programs, but they usedifferent point type locations. The manual shows installation ofAuto-Adjust.62.tar. Choose the version of the program that uses apoint type not currently in use by other programs on your ROC800.To download the program using ROCLINK 800 software:1. Connect the ROC to your computer using the LOI port.2. Start and logon to ROCLINK 800.3. Select Utilities User Program Administrator from the ROCLINKmenu bar. The User Program Administrator screen displays (seeFigure 8):Figure 8. User Program AdministratorRevised June-2016Installation2-7

Sensus Auto-Adjust Program User Manual (for ROC800-Series)4. Select any empty program number (in this case, number 1) in which todownload the program.5. Click Browse in the Download User Program File frame. The SelectUser Program File screen displays (see Figure 9).6. Select the path and user program file to download from the CD-ROM.(Program files are typically located in the Program Files folder on theCD-ROM.) As Figure 9 shows, the screen lists all valid user programfiles with the .TAR extension:Figure 9. Select User Program File7. Click Open to select the program file. The User ProgramAdministrator screen displays. As shown in Figure 10, note that theDownload User Program File frame identifies the selected programand that the Download & Start button is active:2-8InstallationRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 10. User Program Administrator8. Click Download & Start to begin loading the selected programs. Thefollowing message displays:Figure 11. Confirm Download9. Click Yes to begin the download. When the download completes thefollowing message displays:Revised June-2016Installation2-9

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 12. ROCLINK 800 Download Confirmation10. Click OK. The User Program Administrator screen displays (seeFigure 13). Note that: The Device User Program Environment frame reflects the use ofsystem memory.The User Programs Installed in Device frame identifies theinstalled program(s).Figure 13. User Program Administrator11. Click Close. The ROCLINK 800 screen displays and the download iscomplete.2-10InstallationRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 14. ROCLINK 8002.5 MPU Loading ThresholdTo maximize the performance of your ROC800 device, always verify theperformance of specific application combinations before using them in thefield to ensure the MPU load typically remains below 85% with peakMPU loading levels below 95%.To check the current MPU load at any time, select ROC Information Other Information and review the value in the MPU loading field.Revised June-2016Installation2-11

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 15. MPU Loading2-12InstallationRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Chapter 3 – ConfigurationIn This Chapter3.13.23.3Auto-Adjust Configuration Screen . 3-2Auto-Adjust Alarms Screen . 3-7Saving the Configuration . 3-10After you have loaded the Auto-Adjust program on the ROC800, youconfigure the program using two program-specific screens (Auto-AdjustConfiguration and Auto-Adjust Alarms): Use the Auto-Adjust Configuration screen to set a number of programconfiguration values (including inputs, factor values, and otherparameters) and enable the calculations. Use the Auto-Adjust Alarms screen to view active program-specificalarms.To configure the program (after logging onto ROCLINK 800 andsuccessfully installing the program and license key), proceed through theprogram screens as shown in this section.Note: Once you have completed the configuration process for the Auto-Adjust program, review the ROCLINK 800 turbine meter setupscreen and the station setup screen to which the turbine meterbelongs to determine if any additional configuration is required.You can configure either the Adjusted or Mechanical (un-adjusted)flow rate as the uncorrected flow rate for a turbine meter (AGA 7).The Turbine Meter point type includes all parameters that need tobe archived for collection by the EFM reports.You can access the program-specific screens from the main ROCLINK800 screen:Revised June-2016Configuration3-1

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 16. ROCLINK 8003.1Auto-Adjust Configuration ScreenUse this screen to set configuration values for the Auto-Adjust program.To access this screen:1. From the Directory Tree, select User Program Program #1, Auto-Adjust Display #5, Auto-Adjust Config,2. Double-click. The Auto-Adjust Configuration screen displays:3-2ConfigurationRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)Figure 17. Auto-Adjust Configuration3. Review the values in the following fields:Revised June-2016FieldDescriptionPoint NumberIndicates the Auto-Adjust point to be configured.Click to display all available points.Turbine TagDisplays the name associated with this turbine. Thistag can be up to 10 characters in length.Adjusted VolumeRateIndicates, in MCF/day or KM3/day, the flow ratedetermined by the auto-adjust algorithm and theAUVF (if enabled) at flowing conditions. The systemupdates this value once per second. This is aparameter that should be used as input to the AGA 7calculations.Configuration3-3

Sensus Auto-Adjust Program User Manual (for ROC800-Series)FieldDescriptionMechanicalVolume RateIndicates, in MCF/day or KM3/day, the un-adjustedflow rate based on the main rotor pulses and themechanical K-factor. The system updates this valueonce per second.This parameter does not have compensation fromthe auto-adjust algorithm.Note: The AGA 7 firmware expects a flow rate (ineither MCF/day or KM3/day) when reading anuncorrected value other than from a pulseinput point. You can configure either theadjusted or mechanical volume rate as theuncorrected flow rate input to the AGA 7calculation. AGA reads the input once persecond, back-calculates a virtual pulse ratefrom the AGA 7 K-factor, and stores the valueas the raw pulse accumulation. You can thenarchive this parameter for EFM recalculations.3-4Calibration ModeSets the rotor calibration mode. Valid values areEnabled (which uses a self-checking cycle of 2,500rotations) or Disabled (which uses the standard cycleof 25,000 rotations). The default is Disabled.Selecting Enabled shortens the amount of cycle usedduring calibration of the ROC800.UnitsIndicates the measurement units the program usesfor calculations. Valid values are US or Metric.Auto-AdjustAlgorithmIndicates the state of the Auto-Adjust Turbo-Meterdefined in this logical. Valid values are Enabled(active) or Disabled (inactive). The default isDisabled.Reset AlgorithmForces, when the Auto-Adjust algorithm is enabled,the algorithm to reset (as with a warm start). Thereset clears all accumulators and timers associatedwith the self-checking algorithm and, when complete,returns the program to Normal setting. Valid valuesare Normal (do not force the reset) or Reset (forcethe reset). The default is Normal.Main Pulse RotorInputIndicates the particular pulse input for the turbine’smain rotor. Click “ ” to display a TLP screen todefine the input. The program ignores the selectedparameter for a pulse input. If you are selecting anAdvance Pulse Module (APM) input, select theappropriate pulse count parameter.Sensing RotorPulse InputIndicates the particular pulse input for the turbine’ssensing rotor. Click “ ” t to display a TLP screen todefine the input. The program ignores the selectedparameter for a pulse input. If you are selecting anAdvance Pulse Module (APM) input, select theappropriate pulse count parameter.Main Rotor KFactorIndicates, in pulses/ft3 or pulses/m3, a scaling Kfactor the program uses to convert the main rotorpulses to either pulses/ft3 or pulses/m3.ConfigurationRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)FieldDescriptionSensing Rotor KFactorIndicates, in pulses/ft3 or pulses/m3, a scaling Kfactor the program uses to convert the sensing rotorpulses to either pulses/ft3 or pulses/m3.Mechanical KFactorIndicates, in pulses/ft3 or pulses/m3, a K-factor asprovided from the Equimeter calibration sheet. Theprogram uses this value to calculate a MechanicalVolume rate or un-adjusted volume, which matchesthe Turbo-Meter mechanical totalizer volume.Pipe DiameterIndicates, in inches or mm, the pipe’s approximateinternal diameter.Note: The program uses this value to complete theBlade Tip Sensor Factor field on the AutoAdjust Alarms screen.Average Rel.AdjustmentIndicates, as a percentage, the average relativeadjustment for the auto-adjust algorithm determinedat factory calibration.MaximumFrequencyIndicates, in Hz, the maximum frequency value theprogram uses when calculating the meter load,expressed as Current Frequency or MaximumFrequency.Auto-AdjustCalibration CurveActivates the Auto-Adjust Calibration Curvecalculation. Valid values are Enabled (calculate theAdjusted Uncorrected Volume Factor [AUVF]) orDisabled (do not allow the AUVF calculation, which isequal to an AUVF of 1.00).Note: If you enable the calibration curve, theprogram applies the AUVF factor to the resultof the auto-adjust algorithm to calculate theadjusted volume rate at flowing conditions. Ifyou disable the calibration curve, the adjustedvolume rate reflects the result of the autoadjust algorithm with no correction for thecalibration curve.Revised June-2016Configuration3-5

Sensus Auto-Adjust Program User Manual (for ROC800-Series)FieldDescriptionAAT VolumeSets the AAT volume for up to 10 pairs of AATVolume–%Err numbers on the calibration curve.The program uses this value (along with the valuein the % Err field) to linearly interpolate theAdjusted Volume Rate. The values are typicallylisted on the meter calibration sheet as the “linerate.”Note: When you enter values for each AATVolume–% Err pair, ensure that the AATVolume component for each pair is greaterthan the AAT volume component of theimmediately previous pair. Otherwise theprogram ignores the first lower and allsubsequent pairs, regardless of the value ofthe AAT Volume component. For example,in the pair sequence (where the first valuerepresents the AAT Volume and the secondvalue is the % Error):Pair 1: 100, –0.5Pair 2: 300, 0.3Pair 3: 800, 1.2Pair 4: 500, 1.1Pair 5: 1000, 0.7The AAT Volume in pair 4 is less than theAAT Volume in pair 3. The program thenuses the % Err value of 1.2 for any volumeabove 800, regardless of what you’vedefined in pairs 4 or 5.% ErrorSets the % Error value for up to 10 pairs of AATVolume–% Err numbers on the calibration curve.The program uses this value (along with the valuein the AAT Volume field) to linearly interpolate theAdjusted Volume Rate. The values are typicallylisted on the meter calibration sheet as the “% erroradjusted.”Adjusted UncorrVolume Factor(AUVF)This read-only field displays the AdjustedUncorrected Volume Factor (AUVF), which theprogram calculates as equal to [1 / (% Err/100) 1].Alarm ModeSets if the ROC800 stores alarms related to theAuto-Adjust user program in the device alarm log.Valid selections are Enable Alarm Log and NoAlarm Logging. The default is No Alarm Logging.SRBXSets when the program generates a SpontaneousReport by Exception (SRBX) Valid selections areOn Alarm Set (generate a report when an alarmsets) and On Alarm Clear (generate a report whenan alarm clears).4. Click Apply to save your changes.5. Click OK to close the screen. Proceed to Section 3.2 to configurealarms.3-6ConfigurationRevised June-2016

Sensus Auto-Adjust Program User Manual (for ROC800-Series)3.2Auto-Adjust Alarms ScreenUse this screen to specify the alarms for the Auto-Adjust program. Toaccess this screen:1. From the Directory Tree, select User Program Program #1, Auto-Adjust Display #6, Auto-Adjust Alarms.2. Double-click. The Auto-Adjust Alarms screen displays:Figure 18. Auto-Adjust Alarms3. Review the values in the following fields:Revised June-2016FieldDescriptionPoint NumberIndicates the Auto-Adjust point to be configured.Click to display all available points.Turbine TagDisplays the name associated with this turbine.This tag can be up to 10 characters in length.Test TimerThis read-only field shows the number of secondselapsed since the program last started the AutoAdjust self-checking calculation. The programresets this value either after 512 seconds or whenthe main rotor reaches 25,000 pulses, whicheveroccurs first.Configuration3-7

Sensus Auto-Adjust Program User Manual (for ROC800-Series)FieldDescriptionTest Accum PulsesThis read-only field shows the rotor pulsesaccumulated during the current self-checkingcalculation cycle. A self-checking calculation cycletakes either 25,000 rotor rotations or 512 seconds,whichever occurs first.Current FrequencyThis read-only field shows, in Hz, the currentfrequency for both the main and sensing rotors.The program updates this value once each second.Current Flow RateThis read-only field shows, in ft3/second orm3/second, the raw volumetric rate for both themain and sensing rotors. The program calculatesthis value as pulse/second divided by K-factor forthe rotor.Test AccumVolumeThis read-only field shows, in ft3 or m3, the rawvolume values for both the main and sensing rotorsduring the current self-adjusting calculation cycle.Baseline Delta AIndicates, as a percentage, the baseline deltaadjustment (Delta A) value derived either from thefactory calibration curve or the initial field testing.Note: The program’s run-time warning and alarmlimits depend on this value. For example,the program calculates the low warning limitas the Baseline Delta Adjustment valueminus the Normal Band value and the highalarm limit as the Baseline Delta Adjustmentvalue plus the Abnormal Band value.3-8Calculated Delta AThis read-only field shows, as a percentage, thesystem-calculated delta adjustment (Delta A)value. This value is the amount of change that hasoccurred in the meter or flow condition comparedto its original calibration value. The programrefreshes this value at least every 512 seconds or25,000 rotations of the main rotor.Normal BandIndicates, as a percentage, the normal limitsabove and below the Baseline Delta A value. Thedefault value is 0.2. If the percentage exceeds thisvalue, the program triggers a warning.Abnormal BandIndicates, as a pe

Sensus Auto-Adjust Program User Manual (for ROC800-Series Remote Operations Controllers) Sensus Auto-Adjust Program User Manual (for ROC800-Series) ii Contents Revised June-2016 Revision Tracking Sheet. June 2016. This manual may be revised periodically to incorporate new or updated information. The revision date of each

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