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OMNI 4000/7000 Operations and Maintenance Guide

– Rev F

1-5

The OMNI 4000/7000 Series

Gas (U.S. Units)

Flow Calculations

DP Meters

•

API MPMS CH. 14.3 (AGA-3): 2012

•

ASME MFC 3M (Non-Flange DP
types)

Pulse Meters

•

AGA-7: 2006

Density Calculations

AGA-8 1994

•

Method 1-Detailed Analysis

•

Method 2-HV/SG/CO2

•

Method 3-SG/N2/CO2

Heating Value Calculation

•

GPA 2172 2009

•

ISO 6976 60/60F

•

AGA 5 2009

Speed of Sound

•

AGA-10

Viscosity Calculation

•

LBC

Isentropic Exponent Calculation

•

Estimated

•

AGA-10

Gas (Metric Units)

Flow Calculations

DP Meters

•

ISO 5167:2003

•

API MPMS CH. 14.3 (AGA-3): 2012

Pulse Meters

•

AGA-7: 2006

Density Calculations:

AGA-8 1994

•

Method 1-Detailed Analysis

•

Method 2-HV/SG/CO2

•

Method 3-SG/N2/CO2

Heating Value Calculation

•

ISO 6976 (1995)

•

GPA 2172 (2009)

•

AGA-5 (2009)

SGERG 1988

•

Method 2-HV/N2/SG/H2

•

Method 3-N2/CO2/SG/H2

•

Method 4-HV/N2/CO2/H2

Viscosity Calculation

•

LBC

ISO 12213-3 2006 (SGERG)

•

Method 1-HV/N2/SG/H2

Isentropic Exponent Calculation

•

Estimated

•

AGA-10

Speed of Sound

•

AGA-10

*API MPMS CH. 14.7/14.4 is available with Firmware version 2.11 and higher for the US Liquid K-
Factor Linearization Application. It requires the purchase of an Advanced firmware license with
the API MPMS CH. 14.7/14.4 feature enabled.

Содержание 4000 Series

Страница 1: ...Series 4000 7000 Operations Maintenance Guide...

Страница 2: ...8 1 6 1 Basic Electric Safety 1 8 1 6 2 Electrical Grounding Requirements 1 8 1 6 3 Safety Labels 1 9 2 OMNI 4000 7000 Overview 2 1 2 1 Hardware 2 1 2 2 Firmware 2 2 2 3 Software 2 2 3 OMNICONNECT Op...

Страница 3: ...ser Displays 3 53 4 OMNICONNECT Reports 4 1 4 1 Printer Setup 4 1 4 1 1 Ethernet Printer Connection 4 1 4 1 2 Local Printer Connection 4 3 4 2 Report Setup 4 5 4 3 Custom Report Templates 4 5 4 4 Curr...

Страница 4: ...ations 6 31 6 7 Firmware 6 32 7 Maintenance 7 1 7 1 Software and Firmware Updates 7 1 7 2 OMNICONNECT Diagnostics 7 1 7 2 1 I O Overview 7 1 7 2 2 Calibration 7 2 7 2 3 Calibration Verification 7 8 7...

Страница 5: ...unicating with customers integrators and original equipment manufacturers Collaborating with our customers to determine the best solutions Providing superior performance based on quality metrics Opera...

Страница 6: ...me in the content hereof without obligation of OMNI to notify any person or company of such revision or changes This does not constitute in any way a commitment by OMNI to make such changes OMNI Flow...

Страница 7: ...OMNICONNECT screen for F1 to open to the correct help content Boxes with icons provide information When an icon alerts you to a potential safety concern observe these precautions to prevent injury to...

Страница 8: ...ed States of AmericaThe OMNI 4000 7000 Series Earth Ground Requirements The Earth Ground requirements icon reminds operators to verify that grounds are connected when there is a possibility of electri...

Страница 9: ...ree of expertise and or advanced knowledge of liquid and gas flow instrumentation and electronic measurement This manual is written for Operators Advanced Technicians System and Project Managers Engin...

Страница 10: ...einland UL 60950 1 2007 Information Technology Equipment Safety Part 1 General Requirements UL 61010 1 Issued 2004 07 12 Ed 2 Rev 2008 10 28 UL Standard for Safety Electrical Equipment for Measurement...

Страница 11: ...ility EMC Part 4 2 Testing and measurement techniques Electrostatic discharge immunity test IEC 61000 4 3 Electromagnetic Compatibility EMC Part 4 3 Testing and measurement techniques Radiated radio f...

Страница 12: ...7 2 2015 Extension D Software Guide Measuring Instruments Directive 1 4 Calculations The OMNI 4000 7000 includes but is not limited to support for the following calculations Liquid U S Units API MPMS...

Страница 13: ...lculations DP Meters ISO 5167 2003 API MPMS CH 14 3 AGA 3 2012 Pulse Meters AGA 7 2006 Density Calculations AGA 8 1994 Method 1 Detailed Analysis Method 2 HV SG CO2 Method 3 SG N2 CO2 Heating Value Ca...

Страница 14: ...ed directly from the front panel of the flow computer or viewed with the OMNICONNECT software when connected to a computer All input output I O modules are quality tested and temperature trimmed to op...

Страница 15: ...ramming file Daily Batch and Prove Historical Reports and for gas applications a Detailed Daily report The 35 most recent reports are stored in the CPU memory Older reports are stored on the SD card w...

Страница 16: ...an electrical accident occurs disconnect the power to the system by removing the plug s from the outlet s Some systems may have multiple power cords that connect to more than one outlet 1 6 2 Electric...

Страница 17: ...horizontally for proper heat transfer Mount chassis to bonded metal surface Bonded metal surface shall be provided with a safety earth path Avoid mounting in drafts that cause fluctuations in temperat...

Страница 18: ...flow data perform I O calibrations and print reports Back Panel All signal I O terminals and power connector terminals are located on the back panel The OMNI 4000 has four I O terminal blocks and the...

Страница 19: ...line measurement Technicians can also remotely test Modbus communications through a unique Modbus register master simulator that is built into the software The flow computer has an automatic two point...

Страница 20: ...ev F 2 3 OMNI 4000 7000 Overview Figure 2 1 OMNICONNECT OMNIPANEL The OMNIPANEL software remotely replicates all the functionality of the OMNI 4000 7000 flow computer s front panel for times when phys...

Страница 21: ...OMNI 4000 7000 Operations and Maintenance Guide Rev F 2 4 OMNI 4000 7000 Overview Figure 2 2 OMNIPANEL...

Страница 22: ...a Modbus Master that can test a device that implements a Modbus slave protocol such as an OMNI flow computer The tester can communicate using Modbus over TCP RTU or ASCII protocol The register address...

Страница 23: ...OMNI 4000 7000 Operations and Maintenance Guide Rev F 2 6 OMNI 4000 7000 Overview Figure 2 4 OMNI Modbus Tester...

Страница 24: ...Configuring Communications Ports Front Panel in the Installation Guide you still must create sites to match them in OMNICONNECT to communicate with those ports as they are not created automatically S...

Страница 25: ...istance contact the OMNI Help Desk at helpdesk omniflow com 3 2 3 User Permissions Any operation in the flow computer require specific user permissions as selected by the system Administrator In both...

Страница 26: ...ure a curve with up to 12 points for KFs and associated flow meter frequencies For mass pulse flow meters certain Coriolis flow meter models can use a curve with up to 12 points for MFs and associated...

Страница 27: ...onfigure tree 4 To make changes to an existing Meter Run expand that Meter Run in the Configure tree 5 Click on any of the items listed under the Meter Run in the tree to make changes to the settings...

Страница 28: ...to Step 4 b To create a Station click on General Setup in the Configure tree c Click on the Equipment List tab d Select either one or both Stations as needed 3 When finished configuring the Stations...

Страница 29: ...second Station in the Equipment List Step 2 and need to make changes repeat Steps 4 and 5 for the second Station 3 4 3 Products Configuration Some products will likely be configured during installati...

Страница 30: ...name or identifier up to 32 character ASCII string for the product in the Name group c Enter a numeric identifier in the Numeric Name group as needed 4 Select the Density Correction Factor DCF to use...

Страница 31: ...now visible Enter the individual DCFs for this product for each enabled Meter Run or Station 6 a Enter the Meter Factors for each Meter Run if you want to update them manually optional b When you are...

Страница 32: ...Only the items applicable to the Table you chose in Step 7 will be enabled b Enter or select the required parameters on this screen c When you are finished click Apply to save the changes 9 Continue...

Страница 33: ...ect Gas Chromatograph on the tree 11 a Fill in the information on all three gas chromatograph screens b When you are finished click Apply to save the changes 12 Gas Products To configure gas fluid pro...

Страница 34: ...32 ASCII characters c Enter a numeric identifier in the Numeric Name group as needed 5 In the center column of the Setup screen select the Density Method for this product 6 a Select how to handle neo...

Страница 35: ...applications in the right hand column may change a Click on any of the HV SG N2 or CO2 buttons to open their configuration windows and assign source inputs alarms and overrides as needed b Click OK to...

Страница 36: ...Overrides 11 Continue to move down the list of products in the tree to configure new products or make changes to existing products 12 a If the flow computer is equipped with a Gas Chromatograph select...

Страница 37: ...he changes For GC 1 pay particular attention to the selections in the GC Strategy group If you have a redundant GC the last two options in the list will be active If you choose the Use Redundant GC 2...

Страница 38: ...bbon click Configure 2 a Expand a Meter Run in the Configure tree b Click on Flowmeter to display its configuration options in the screens on the right 3 In the lower right hand corner of the Setup sc...

Страница 39: ...still have different sphere and valve arrangements The 4 way valve in the bi directional type of prover can reverse the direction of flow through the prover Master Meter proving compares the flow thr...

Страница 40: ...ribbon click Configure 2 a Expand the Prover function in the Configure tree b Select Configuration and Setup to display the Prover configuration options in the screens on the right 3 a Select the Pro...

Страница 41: ...ow computer waits until the Overtravel volume or mass has passed through the meter In unidirectional pipe provers this assures that the sphere is back in the launch position and is ready to be re laun...

Страница 42: ...events If this period is exceeded before the next event is expected the flow computer aborts the prove operation sets a prove failed flag and prints a prove abort report The inactivity timer is reset...

Страница 43: ...prove Apply meter factor retroactively to retroactively apply the Meter Factor from the beginning of the batch The Manual Implement MF Time Limit specifies the number of minutes the Operator has to m...

Страница 44: ...Option For Unidirectional Compact types of provers you can choose to monitor the plenum pressure constant value These provers use a nitrogen pressured plenum to close the displacer poppet valve when t...

Страница 45: ...Prover function in the Configure tree b Select Configuration and Setup c Verify that a Pulse Interpolation type prover is selected in the Prover Type screen 3 a Click on General Setup in the Configure...

Страница 46: ...um Pressure item in the Prover tree to see the configuration options 7 a In the Plenum Pressure screen select an I O Point configured for pressure from the drop down box b Click Apply to save your cha...

Страница 47: ...ev F 3 24 OMNICONNECT Operations In this case it is Process Input 7 in the B 1 module Plenum Pressure is now listed in the Assignments on the right For assistance viewing input channel assignments cli...

Страница 48: ...the optical detector switches determines the prover volume A spacing rod also known as a switch bar or invar rod separates these optical detector switches by a precise distance Ambient temperature va...

Страница 49: ...ange 5 a Expand the Prover function in the Configure tree Now that you have selected the option in the Equipment List Switch Bar Temperature now appears as an option in the tree b Click on Switch Bar...

Страница 50: ...O selection expand the OMNI I O and Process I O functions in the Configure tree b Select the Process Input that corresponds with the I O Point you assigned in Step 6 In this case Process Input 6 in t...

Страница 51: ...for stability For example Table 3 1 displays the prove sequence or list of status messages received when a prove request is made for a unidirectional Conventional prove configured with three runs to a...

Страница 52: ...le 3 2 Prove Sequence Fail Messages Fail Message Description Prover Inactivity A prove was requested but it exceeded the configured Inactivity Timer before the sphere hit the first detector switch P M...

Страница 53: ...e Auto Prove function follow these instructions 1 In the Actions ribbon click Configure 2 a Expand the Prover function in the Configure tree b Select Configuration and Setup to display the Prover conf...

Страница 54: ...ve is requested see Section 3 5 3 Prove Sequence for more information Status messages will appear in the Volume Prove Status field and the run information box will populate automatically At any time c...

Страница 55: ...ve Passes option can only be selected if the prove is a type of Pulse Interpolation such as a small volume prover To print individual prove pass data immediately after each pass during the prove seque...

Страница 56: ...tacks for the flow meters that will run the same products simultaneously Batching is allowing in both gas and liquid applications but batch stacks are used only in liquid applications and a maximum of...

Страница 57: ...2 Select Batch in the Configure tree This opens both the Batch Setup and Batch Scheduling screens 3 In the Batch Setup screen make changes as needed to the independent Meter Runs and any Stations you...

Страница 58: ...6 4 d Ending a Batch e For information on Batch Reports go to Section 4 5 5 Batch Daily and Prove Reports 3 6 2 Adjust Batch Size To adjust the batch size in liquid applications follow these instructi...

Страница 59: ...ing product with five additional slots for queueing future products for batching Independent batch stacks are useful when running different products simultaneously on each Meter Run This stack configu...

Страница 60: ...Stations Two different groups of batch stacks are listed on the Control tree Stack Shift Using this option instructs the flow computer to end the batch on the current running product shift the batch s...

Страница 61: ...Go to Section 3 6 2 Adjust Batch Size for more instructions on adjusting batch sizes On the Batch Control screen you can also see the batch status and type The batch status appears as In Progress Batc...

Страница 62: ...edit insert or delete that batch from the sequence 8 a To automatically change batches in a sequence from one product to another within a single Meter Run or Station assign the applicable products to...

Страница 63: ...rol tree to see the previously configured Meter Runs and Stations under each batch category a For liquid applications go to Step 3 b For gas applications go to Step 4 When ending a batch while flow is...

Страница 64: ...batch on a set schedule follow these instructions 1 In the Actions ribbon click Configure 2 Select Batch in the Configure tree This opens both the Batch Setup and Batch Scheduling screens 3 a Click on...

Страница 65: ...low computer through the Batch menu by using the Recalc function key and entering a new Base Sediment and Water BS W percentage and or a new Reference Density Relative Density API override value befor...

Страница 66: ...e number of barrels or cubic meters in advance of the total batch size that when reached triggers a warning flag that tells the Modbus database that it is almost time to end the batch for that Meter R...

Страница 67: ...Enter the batch size amount in the Batch Size field b Click Apply to update the batch size in the sequence list The Batch Preset Warning and the Batch Preset Reached flags can be used in custom Boole...

Страница 68: ...atabase that is triggered whenever the rate of change of the gravity density with respect to flow exceeds the preset limit for a sustained amount of time It is used to detect a change in flowing produ...

Страница 69: ...ntrolled variable unless the secondary variable exceeds or falls below a secondary setpoint To access primary variable configuration entries follow these instructions 1 In the Actions ribbon click Con...

Страница 70: ...ong in the Remarks field 6 Enter the Zero 4 mA and Full 20 mA Scale values in engineering units for the primary variable In applications requiring flow and pressure control the Assign entry should be...

Страница 71: ...ugh 6 for the secondary control variable if using b Enter a value for the Secondary Setpoint 10 Click Apply to save your changes 3 7 2 PID Tuning Configuration To access PID tuning setup options follo...

Страница 72: ...D Loop 1 Tuning tab 4 In the Primary group for the primary control variable select the appropriate Action a Choose Forward if the primary variable value increases as the controller output increases b...

Страница 73: ...oo high the system will be too responsive and the controller will overshoot the setpoint causing instability and oscillations An initial value of 5 is a reasonable starting point for both primary and...

Страница 74: ...en control is automatically switching between primary and secondary variables An initial value of 1 0 assumes that the primary and secondary variable have the same response to control valve movement 1...

Страница 75: ...r the Startup Ramp percentage or the maximum percentage that the control output will be allowed to change each 500 ms cycle b Enter the Shutdown Ramp percentage or the rate at which the control output...

Страница 76: ...to the minimum valve open percentage Last terminate the delivery by activating PID Loop 1 Stop command 2019 resetting 2007 and causing the valve to close completely 5 Click Apply to save your changes...

Страница 77: ...ample To access user display configurations follow these instructions 1 In the Actions ribbon click Configure 2 a Select and expand the User Displays option in the Configure tree b Select either a pre...

Страница 78: ...in to fill out the point register variables as needed In the Register column either a Double click in the box to enter the register number or b Right click and select Browser to open the OMNI Database...

Страница 79: ...Defined Units window b Click within any field in the Units column to edit the name of the unit c Click OK when you are finished Your new units will now be listed in the Units drop down box in Step 6...

Страница 80: ...on mode Liquid KF US Figure 4 1 Figure 4 1 Report Header Example By default reports that are retrieved and saved within OMNICONNECT are automatically named and saved to C Omniflow OmniConnect 7000 Rep...

Страница 81: ...on options in the screens to the right 3 Click on the Configure DE button to open the Ethernet Configuration window 4 a Click on either Printer tab b Fill in the IP address of the selected printer c F...

Страница 82: ...rint This includes the Prove Report Trial Report and Prove Abort 7 When finished selecting reports click Apply to save your changes 4 1 2 Local Printer Connection To print reports through a local prin...

Страница 83: ...ations b Select the Scheduled and Front Panel Historical Reports from specific Independent Meter Runs and Stations In gas applications Report Printer Assignments will also include the Detailed Daily R...

Страница 84: ...ons on Report Template Selection optional 4 3 Custom Report Templates Customized report templates can generate custom reports instead of using the default report templates built into the firmware Four...

Страница 85: ...mplates you want to use for each type of report By default no custom report templates have been imported into the flow computer before shipping b Click Apply to save your changes 4 In the Actions ribb...

Страница 86: ...t Template Editor tree b Click Import Template 7 a The Import Template Window opens directly to the sample templates provided by OMNICONNECT If you have a different template saved elsewhere use this w...

Страница 87: ...lection click Select to close the OMNI Database Browser window b Click Modify to close the Modify Database Point window and update your changes 11 a To add new lines of code place your cursor in a bla...

Страница 88: ...imal placement for each value 13 a Edit the template in this screen by placing the cursor in any position within the template and simply using your keyboard to make changes b When finished editing in...

Страница 89: ...te List Lists the flow computer communication sites configured in OMNICONNECT txt or site If OMNICONNECT is online follow these instructions to access and save current reports 1 In the Actions ribbon...

Страница 90: ...2 Historical Reports and Audits Report Description File Extension Alarm Lists up to the last 1 000 alarm occurrences from the flow computer txt or alr Measurement Audit Trail Lists up to the last 1 0...

Страница 91: ...vents to retrieve select an option from the Record Count drop down box and refresh the report by clicking Retrieve Report b To save the current report click Save Report c To print the report click Pri...

Страница 92: ...ail Report details the last 1 000 changes to the flow measurement calculations and related configuration settings where each change is a numbered event in the audit trail Figure 4 3 The System Audit T...

Страница 93: ...lues 4 5 4 OMNI Initialization Reports The Initialization Report lists the date and time stamps of flow computer power loss and power up events 4 5 5 Batch Daily and Prove Reports Batch Daily and Prov...

Страница 94: ...n text report format in the view box b Save or print the report as needed Batch Reports include the following Meter and product identifiers Start and end dates and times Batch totals Opening and closi...

Страница 95: ...an view a summary of any Meter Run or Station through the dashboard function To access the dashboard follow these instructions 1 In the Actions ribbon click Operate 2 In the Operate tree click Dashboa...

Страница 96: ...the maximum number of data points that can be retrieved and viewed from a single flow computer is 10 000 An entire Custom Data Screen configuration or just an individual tab configuration can be impor...

Страница 97: ...or Station tab has a list of the Modbus registers and their descriptions that are currently being measured b Retrieval of data from all registers is enabled by default To skip the reading of one of th...

Страница 98: ...r collecting and archiving certain data not already automatically archived by the flow computer such as hourly batch daily and prove If an external polling device loses communication with the flow com...

Страница 99: ...e Archive screen is the Archive Status The default status for all archives is STOPPED and the ability to configure them is ENABLED To start the archiving feature and begin collecting the data the conf...

Страница 100: ...n the Diagnostics tree 3 a In the Archive Configuration Status group on the right click the Disable button to turn off the ability to make configuration changes to the archives b Click OK to confirm t...

Страница 101: ...owever you can change the Boolean trigger event and trigger type that causes data to be archived if needed 5 3 3 Retrieve Archives To retrieve archive data the Archive Status Run State must be RUNNING...

Страница 102: ...m in the Operate tree b Click on the archive you want to retrieve 3 Click the Retrieve button to save the data to the file location that is written at the bottom of the screen The file location can be...

Страница 103: ...be imported for analysis into a MS Excel spreadsheet or a database with predefined field names that match the description of the registers configured in the flow computer archive The Alarm Measurement...

Страница 104: ...nd select Meter Runs b Press the OK key 2 a Use the Up or Down arrow navigation keys to select the Meter Run you wish to access b Press OK to go to the detail screen for that Meter Run The yellow dots...

Страница 105: ...or the batch and daily values for the highlighted Meter Run 5 To return to the Meter Runs menu and view a different Meter Run either press the Back key until you see the screen shown in Step 2 or use...

Страница 106: ...the Detail screen for the Station or view the entire list of variables currently being measured 4 To return to the Stations menu and view Station 2 either press the Back key until you see the screen...

Страница 107: ...tus of the batches and Stations To see the Batch Detail screen for any of these items use the navigation keys to highlight a batch or Station in blue and press OK The Control Stacks Recalc and Reports...

Страница 108: ...the top of the screen for which you need to run a prove b Press the Prove function key to start the prove sequence 3 Press the Abort function key at any time to stop the prove if needed If a prove is...

Страница 109: ...ransducers screen which lists the editable process input variables for the prove a Use the Up or Down arrow keys to choose the process input variable you wish to edit b Press OK 4 For the process inpu...

Страница 110: ...y to save your changes 6 When finished press the Back key to return to the Prove Control screen to initiate a new prove sequence or press it again to return to the Home screen 6 4 Front Panel Reports...

Страница 111: ...screen Pressing Print will send the report to the printer s configured in Section 3 5 7 4 The Alarm Log report requires you to choose a specific number of alarms up to 1000 to print a Press OK to acce...

Страница 112: ...ser Display option in the Home menu gives Operators the ability to view the real time screens or live data produced by the flow computer Figure 6 1 These numbered displays are configured through OMNIC...

Страница 113: ...4 a When the Enter MF field becomes active use the number keys to enter the new Meter Factor b When finished press OK or the Accept function key to save your changes 5 Use the Right or Left arrow key...

Страница 114: ...hich you need to update the DCF If the densitometer was not configured for a Station in OMNICONNECT you will see this message 4 a When the correct Meter Run or Station is selected use the Up or Down a...

Страница 115: ...To edit products follow these instructions 1 a In the Home menu use the arrow navigation keys to go to and select Operate b Press the OK key 2 a In the Operate Functions menu select Edit Products b P...

Страница 116: ...DCF b Press OK 7 If the product is configured in OMNICONNECT to use the Product DCF you can edit it for any Meter Run or Station from this screen using the arrow and number keys a Press OK to access...

Страница 117: ...ey to return to the main Products screen and select the next product to edit as needed 6 6 4 Edit Transducers To edit transducer settings follow these instructions 1 a In the Home menu use the arrow n...

Страница 118: ...ion in OMNICONNECT you will see this message 4 a When the correct Meter Run or Station is selected use the Up or Down arrow keys to choose the process variable you wish to edit b Press OK 5 a Use the...

Страница 119: ...red through OMNICONNECT to use Auxiliary Inputs you can also access and edit their process variables through the Transducers screen 6 6 5 Batch Operations To access batch operations from the front pan...

Страница 120: ...Recalc Prev Batch go to Section 6 6 5 Recalculate Previous Batches b Press OK Batch Control Ending a Batch To access batch control operations follow these instructions 1 a From the Batch Operations s...

Страница 121: ...ons If a Station is running a common batch stack it will be listed on its Batch Control screen left The Meter Runs defined as part of a Station and using a common batch stack will display a notice rig...

Страница 122: ...b Press OK 2 To view a current batch stack use the Right or Left arrow keys to select a Meter Run or Station at the top of the screen running a batch 3 Use the Up or Down arrow keys to scroll through...

Страница 123: ...computer will display a notice 5 a Continue to view or edit batch stacks as needed b When finished press the Back key to return to the Batch Operations screen or the Home key to return to the Home sc...

Страница 124: ...s 4 a In the Batch Record Browser use the Up or Down arrow keys to scroll through the list of records for that Meter Run or Station b Select the batch you wish to recalculate c Press OK 5 a Use the ar...

Страница 125: ...s can control a primary variable setpoint usually flow rate with a secondary variable setpoint usually meter back pressure or delivery pressure The primary and secondary setpoints can be adjusted loca...

Страница 126: ...rations Figure 6 2 Typical PID Control Application Single Loop To access PID control functions follow these instructions 1 a In the Home menu use the arrow navigation keys to go to and select Operate...

Страница 127: ...or local Remote Setpoint Value Shows the current value of the remote setpoint in engineering units 4 To edit the control settings go to the following sections in Section 6 6 6 for PID operations infor...

Страница 128: ...ht Manual Valve and press OK b Adjust the percentage that the valve is left open as needed c When finished press OK 4 To return to Automatic Control highlight and select Manual Valve again and select...

Страница 129: ...Press OK to open the option field and select Yes c Press OK 3 a Scroll down to Local Setpoint and press OK b Enter the new Local Setpoint value c Press OK 4 To return to a Remote Setpoint highlight a...

Страница 130: ...he valve after it has been ramped to the minimum percent open and stop the flow Figure 6 3 PID Control Screen Inputs are provided for startup and shutdown ramp rates and minimum output percentage sett...

Страница 131: ...er the new value d Press OK again to save the entry 5 Press the Override function key again to return to the Manual Override screen 6 a Use the arrow navigation keys to scroll down and highlight Secon...

Страница 132: ...a 10 change in the process variable the loop gain is 1 0 If a 10 change in control output causes a 20 change in process variable the loop gain is 2 0 To provide stable control the gain of each loop w...

Страница 133: ...e the repeats and minutes and fine tune the gain follow these instructions 1 a In the PID Control screen use the arrow navigation keys to scroll down and highlight Pri Rpts Min b Press OK c Enter 40 a...

Страница 134: ...or the secondary variable 6 6 7 Other Operations Force Day End The Force Day End operation is accessible through the Operate Functions screen Home menu Operate You may manually force the end of operat...

Страница 135: ...detected The Leak Detection command can also be issued through a Modbus write 6 7 Firmware The Firmware screen which is accessible through the Home menu allows Operators to see a list of firmware fea...

Страница 136: ...7 2 1 I O Overview The I O Overview function allows you to view the flow computer s diagnostics information and system overview through OMNICONNECT It also has the related Digital MUX screen which sh...

Страница 137: ...installation drawings If the wiring is correct there may be a problem with the external device 7 2 2 Calibration To calibrate an analog input channel follow these instructions The Calibration menu can...

Страница 138: ...t are configured in the flow computer follow these instructions 1 Click the Diagnostics button in the Home ribbon to open the Diagnostics tree in the left panel 2 Click Calibration in the left panel t...

Страница 139: ...has been assigned the Set Override group will appear and you will be able to enter the override value a Verify or edit the default value and then click Apply Override b Go to to Step 10 If you are ca...

Страница 140: ...ibration value in the Calibration Values screen a Adjust the Signal Generator or configure the Transmitter to output the highest value needed for calibration b Wait 20 to 30 seconds for the readings t...

Страница 141: ...ate analog output channels that are configured in the flow computer follow these instructions 1 On the Calibrations screen select the Analog Outputs tab Select the 4 20 mA output channel to calibrate...

Страница 142: ...click Abort to abort the current calibration sequence The flow computer is instructed to output 4 mA 7 Wait 20 to 30 seconds for the readings to stabilize 8 Enter the value displayed on the ammeter th...

Страница 143: ...l reset the channel and attempt to calibrate the channel again For troubleshooting a single output channel go to Reset Single Channel Calibration in Section 7 2 5 For troubleshooting multiple output c...

Страница 144: ...e Error field will now display the percentage of error of the verification a If the percentage of error is within acceptable limits you do not need to re calibrate the input channel b If the percentag...

Страница 145: ...ck pin numbers are still displayed in blue text after a selection is made If the output channel is unassigned only the hardware module and Terminal Block pin numbers are still displayed in blue text 5...

Страница 146: ...information follow these instructions 1 In the Actions ribbon click Diagnostics 2 Click System Information in the Diagnostics tree to display the flow computer s general system information screens to...

Страница 147: ...rompts tab displays the results of any previously programmed user prompts Figure 7 2 Figure 7 2 User Prompts Example Task Timings The Task Timings tab shows a live feed of the different tasks the proc...

Страница 148: ...egal Metrology OIML Code and to monitor any configuration changes If the Metrological Configuration is updated a red Changed box will appear beside it and its status must be cleared Figure 7 4 Checksu...

Страница 149: ...tion screens to the right The System Reset tabs are detailed in the following sections Reset Date and Time Reset Single Channel Calibration Reset Multiple Channel Calibration Reset Prove Reset Applica...

Страница 150: ...ystem Resets in the left panel and then select the Reset Calibration tab in the screens to the right 2 In the Reset Individual Calibration Constants section of the Reset Calibration screen a Select th...

Страница 151: ...set multiple channels simultaneously follow these instructions 1 For multiple calibration resets click the appropriate button Reset All Calibration for resetting all Inputs and Outputs Reset All Proce...

Страница 152: ...tion 8589 and 8590 8607 and 8608 Last Meter Factor implementation information Temperature 7945 Pressure 7946 Density 7948 Flow Rate 7966 Density at Ref Temp RD60 7944 Meter Factor in use at last Meter...

Страница 153: ...er s application of the firmware Figure 7 8 Figure 7 8 Reset Application Tab Reset RAM CAUTION Do not clear the flow computer s Random Access Memory RAM unless you have verified that all important inf...

Страница 154: ...instructions 1 Confirm there is no flow to the meter s or station s you want to reset 2 In the Actions ribbon click Diagnostics 3 Expand the System Resets option in the Diagnostics tree and click on...

Страница 155: ...ts and Totalizer Decimal Places as needed b Click OK 6 At the prompt click Yes 7 To reset individual Meters or Stations a Click on the tab of the Meter Run or Station you want to reset b Click the Res...

Страница 156: ...register To use the test communications application follow these instructions 1 In the Actions ribbon click Diagnostics 2 Click on Test Communications in the Diagnostics tree 3 Use the options at the...

Страница 157: ...creen in OMNICONNECT while the Register List is active 6 With the previous test information still on the screen and the Register List window still open click the new Add to List button Now the test in...

Страница 158: ...Select multiple registers for editing in the Register List window and the edits will be applied to all highlighted registers You can also copy move and delete items from the Register List 9 a To save...

Страница 159: ...r the Accept function key to save your changes 4 a Continue to view or edit date and time settings as needed b When finished press the Back key to return to the Utilities screen or the Home key to ret...

Страница 160: ...udes a horizontal Input bar at the top with these options Process Input PI allows you to calibrate by channel number selection for example 1 through 32 Numbers 1 through 6 allow you to calibrate using...

Страница 161: ...pe in the desired Override Value in engineering units After editing each field press OK or the Accept function key to continue Selected Input displays the channel number or process variable name selec...

Страница 162: ...onnected to the correct channel The hardware jumper settings See the following sections in the Installation Guide for more information on wiring and jumper settings Section 3 7 5 Process I O Modules f...

Страница 163: ...n the Apply High Input Source screen is close to the applied value from the field transmitter or signal generator If the value is not close to the applied value check The wiring is connected to the co...

Страница 164: ...ction key then attempt to calibrate the channel again b Press the Yes function key to finalize the calibration of the input channel c Press the No function key to discard the calibration changes 22 Co...

Страница 165: ...rocess or press OK or the Accept function key to select the highlighted channel 5 Connect an ammeter in series between the flow computer and the external 4 20 mA device 6 Press the Start function key...

Страница 166: ...ion screen press the Apply Low function key The next screen shows the Output Value mA field default of 20 00 12 Wait 20 to 30 seconds for the readings to stabilize 13 Note the value indicated on the a...

Страница 167: ...not require calibration follow these instructions 1 a From the main menu of the front panel select Utilities and press OK b Select Calibration press OK c Select Input Verification 2 Use the arrow nav...

Страница 168: ...a value other than the default mA unit use the arrow navigation keys to scroll down and highlight Calibration Units a Press OK to open the field box and use the arrow keys again to scroll through the...

Страница 169: ...nput Value a While Applied Input Value is highlighted press OK to open the entry field b Enter your Applied Input Value c Press OK 9 The flow computer now gives you a Error based on the Applied Input...

Страница 170: ...ammeter in series between the flow computer and the external 4 20 mA device 5 Press the Start function key to begin the verification process 6 Use the front panel to key in the value originally calibr...

Страница 171: ...ress the Exit function key to return to the Analog Output Verification screen to choose a different output to verify or to use a different value 7 3 4 Maintenance Mode Placing the flow computer in Mai...

Страница 172: ...keys to navigate to different Meter Runs if needed When ready to enable Maintenance Mode press the FR Totals function key 5 The Maint Mode Flow Totals screen displays a list of all the flow rates and...

Страница 173: ...lues to zero This does not affect the decimal resolutions set in Step 6 they can only be changed manually 10 a When ready to reset the Maintenance Mode totals press OK and use the Up and Down arrow ke...

Страница 174: ...and calibration data in some cases The only data that is kept after a system reset is the current firmware revision The purpose of the System Resets function is to clear the flow computer s RAM To acc...

Страница 175: ...ies b Press the OK key 2 a Use the arrow keys to scroll down and highlight Licensing b Press OK 3 You can now view your flow computer s current licenses for optional firmware features on the License I...

Страница 176: ...Panel in the Installation Guide to configure Serial and Ethernet ports 7 3 9 Check Modules To properly allocate any changes to the hardware s I O channels for later configuration and assignment using...

Страница 177: ...o view all the modules as necessary c If the SW and HW columns display all Ys then you are finished d If modules show N No under either the SW or HW columns press the Execute function key 4 Press the...

Страница 178: ...gital Card The Secure Digital SD card stores all data from the flow computer If the card is full or there is a problem and it needs to be replaced the flow computer will give an error message To eject...

Страница 179: ...odule replace the protective adhesive tape covering the SD card slot 6 a When you are ready to format the newly inserted SD Card press the Confirm button b Press Abort to exit the Format screen Pressi...

Страница 180: ...the flow computer To access the Diagnostic Data information follow these instructions 1 a In the Home menu use the arrow navigation keys to go to and select Utilities b Press the OK key 2 a Use the a...

Страница 181: ...ponents To complete a visual inspection follow these instructions CAUTION If there is any evidence of burnt components or you need to access the flow computer enclosure to inspect the interior verify...

Страница 182: ...ve has worn off and the tape needs to be replaced contact the OMNI Help Desk at helpdesk omniflow com or call 1 281 240 6161 7 4 2 Change Modules If you want to add or remove a module change the insta...

Страница 183: ...e the file to your PC a If not currently online with the flow computer click the Online button and connect to the unit b In the Connect to OMNI window choose which unit to connect with from the list p...

Страница 184: ...nd navigate to a chosen location on your PC or use the default Omni folder c Click Save 6 Before powering off the flow computer you should also retrieve all archive reports through OMNICONNECT a In th...

Страница 185: ...d saving all relevant configurations reports and data click the Offline button b Close OMNICONNECT 9 Power down the flow computer and verify that no voltages are present WARNING When working with exte...

Страница 186: ...ds 3 Insert the new module into its designated slot 4 To reinstall the panel mount chassis slowly slide the inner chassis back into the flow computer For the NEMA chassis re install the card retaining...

Страница 187: ...es may clear your previous I O assignments and reallocate the input and output channels to fit the new module order or even clear all configuration settings You must now review all configurations in t...

Страница 188: ...ions as necessary Pay particular attention to the items in the OMNI I O folder as most potential changes or updates will involve the flow computer s input and output assignments The Modules screen dis...

Страница 189: ...ician to initiate flow 7 4 3 Fuse Service and Replacement Specifications Fuses are located on the panel mount and short extended back panels Table 7 1 or extended back panels Table 7 2 Table 7 1 Power...

Страница 190: ...r local procedures for taking the flow computer out of service Go to Section 7 4 2 for further instructions on saving configurations ending batches and archiving data if needed 2 Power down the flow c...

Страница 191: ...tridge fuse one DC power fuse and eight loop power fuses F1 F8 that are installed in clips Table 7 2 a For the AC cartidge fuse go to Step 9 b For the clip installed fuses go to Step 11 9 a To remove...

Страница 192: ...fully press down to seat the fuse into place 14 Re connect the fuse s power connections to the field device that you removed in Step 11 15 Repeat Steps 11 through 14 for any other clip style fuse if n...

Страница 193: ...v F www omniflow com The OMNI Flow logo OMNI OMNICOM OMNICONNECT and Measure the Difference are registered trademarks of OMNI Flow Computers Inc in the United States and other countries All other trad...

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