Page 1 Series 4000/7000 Operations & Maintenance Guide...
Page 2: Table Of Contents
3.5.6 Remote Prove Request .................... 3-31 3.5.7 Print Prove Passes ....................3-32 3.6 Batch Operations ........................3-33 © Copyright 2016-2020 OMNI Flow Computers, Inc. All rights reserved. Electronically published by OMNI Flow Computers, Inc. in the United States of America...
Page 3 Meter Runs ......................... 6-1 6.1.2 Stations ........................6-3 6.2 Batch Status ..........................6-4 6.3 Proving Functions ........................6-5 © Copyright 2016-2020 OMNI Flow Computers, Inc. All rights reserved. Electronically published by OMNI Flow Computers, Inc. in the United States of America...
Page 4 7.4 Component Maintenance ......................7-46 7.4.1 Inspection ......................... 7-46 7.4.2 Change Modules ...................... 7-47 7.4.3 Fuse Service and Replacement ................7-54 © Copyright 2016-2020 OMNI Flow Computers, Inc. All rights reserved. Electronically published by OMNI Flow Computers, Inc. in the United States of America...
Page 5 OMNI Flow Computers Inc. Our Mission OMNI Flow Computers Inc. sets the world’s standard for the design, development and manufacture of flow computers. For more than 30 years, we have supplied high-integrity equipment to offshore production facilities, oil and gas pipelines, terminals, refineries and petrochemical and gas plants worldwide.
Page 6 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Copyright Information OMNI Flow Computers, Inc. owns the content of this user manual in its entirety, including but not limited to pictures, logos, trademarks and resources. OMNI Flow Computers, Inc. authorizes its customers to download and print this manual for professional information purposes only.
Page 7 The caution icon indicates a potential risk of injury to personnel or damage to equipment. Take extreme care when performing operations or procedures preceded by this symbol. © Copyright 2016-2020 OMNI Flow Computers, Inc. All rights reserved. Electronically published by OMNI Flow Computers, Inc. in the United States of America...
Page 8 The electrostatic icon reminds operators to observe the precautions for handling electrostatic-sensitive devices. The recycle icon provides recycling instructions for the item. © Copyright 2016-2020 OMNI Flow Computers, Inc. All rights reserved. Electronically published by OMNI Flow Computers, Inc. in the United States of AmericaThe OMNI 4000/7000 Series...
Page 9: The Omni 4000/7000 Series
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 1. The OMNI 4000/7000 Series The Operations and Maintenance Guide for the OMNI 4000 and OMNI 7000 series of flow computers includes: • An overview of the OMNI 4000/7000 flow computer.
Page 10 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Nederland Meetinstituut (NMi) WELMEC 8.8 General and Administrative Aspects of the Voluntary System of Modular Evaluation of Measuring Instruments under the MID, Edition 2:2012 EN 55011:2009+ Industrial, Scientific and Medical (ISM) Equipment–Radio-Frequency...
Page 11: Iec Test Procedure Compliance
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 1.3.1 IEC Test Procedure Compliance To meet the standards/directives in Section 1.3, the OMNI 4000/7000 models comply with the IEC test procedures listed in this section. IEC 60068-2-1 Environmental testing–Part 2-1: Tests–Test A: Cold IEC 60068-2-2 Environmental testing–Part 2-2: Tests–Test B: Dry heat...
Page 12: Measurement Security And Firmware Downloads (Welmec 7.2 Extension D)
This method of firmware transmission meets all requirements of WELMEC 7.2 2015 Extension D, Software Guide—Measuring Instruments Directive. Calculations The OMNI 4000/7000 includes, but is not limited to, support for the following calculations: Liquid (U.S. Units) API MPMS CH. 11.1 (2007)
Page 13 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Gas (U.S. Units) Flow Calculations Density Calculations DP Meters AGA-8 1994 • • API MPMS CH. 14.3 (AGA-3): 2012 Method 1-Detailed Analysis • • ASME MFC 3M (Non-Flange DP Method 2-HV/SG/CO2 types) •...
Page 14: Equipment Overview
On-site, OMNI 4000/7000 flow computers are configurable, but the firmware code is not user programmable. We do this to prevent the modification of WELMEC-approved metrologically relevant areas of the software code.
Page 15 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Every OMNI 4000/7000 flow computer has the following components and features: Hardware • • 7201 central processing unit (CPU) Expandable to allow for 2 DE modules (4 physical Ethernet ports for a total of 32 •...
Page 16: Safety
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Safety 1.6.1 Basic Electric Safety Observe precautions for handling electrostatic-sensitive devices. Take basic electrical safety precautions to prevent injury and equipment damage: ☐ Keep the area around the equipment clean and free of clutter.
Page 17: Safety Labels
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 1.6.3 Safety Labels Table 1-1 describes the safety labels that are posted on the OMNI 4000/7000 flow computer. Table 1-1: Safety Label Descriptions The No Vertical Mount safety label is located on the side of the National Electrical Manufacturers Association (NEMA) chassis where the I/O ribbon cables are connected and provides recommendations for mounting the NEMA chassis.
Page 18: Omni 4000/7000 Overview
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 OMNI 7000 has ten I/O terminal blocks. All flow measurement inputs are first received at the back panel and then through plug-in I/O combination (combo) modules.
Page 19: Firmware
® OMNICONNECT Online or offline configuration of OMNI 4000 and 7000 models is possible using a personal computer that can run the OMNICONNECT software. This software manages the flow computer’s configuration, operation, security setup, and supports the updating of the CPU’s firmware.
Page 20 OMNI 4000/7000 Operations and Maintenance Guide – Rev F ® 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 physical access to the flow computer is not possible. OMNI 4000/7000 Overview...
Page 21 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Figure 2-2: OMNIPANEL OMNI 4000/7000 Overview...
Page 22 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Network Utility Network Utility is part of the OMNI software suite and is used to view the configuration settings of the DE module and to upgrade the DE module firmware. Although the IP addresses of the DE Module can be modified, the program cannot be used to modify the remaining DE module configuration settings.
Page 23 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Figure 2-4: OMNI Modbus Tester OMNI 4000/7000 Overview...
Page 24: Omniconnect Operations
3.2.1 Enter Password The password window appears when connecting to an OMNI flow computer from OMNICONNECT or OMNIPANEL. Click the drop-down arrow and select your Administrator-assigned User ID from the list of available names. Enter your password and press OK.
Page 25: Lost Password
OMNI 4000/7000 Operations and Maintenance Guide – Rev F The following rules apply to passwords: • The default timeout for a user password is 30 minutes, but the Administrator can modify the timer. • If five invalid password attempts are made within a two-minute period, the port will be locked for one minute.
Page 26: Configurations
OMNI 4000/7000 Operations and Maintenance Guide – Rev F OMNICONNECT currently supports three different pulse type flow meters: Turbine, Positive Displacement and Coriolis Mass Pulse. Gas product applications have the added option of configuring orifice differential pressure type flow meters.
Page 27 OMNI 4000/7000 Operations and Maintenance Guide – Rev F When finished, click Apply to save your changes. The Meter Runs you selected will now appear in the Configure tree. To make changes to an existing Meter Run, expand that Meter Run in the Configure tree.
Page 28: Station Configurations
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 3.4.2 Station Configurations To create a Station or make changes to current settings, follow these instructions: In the Actions ribbon, click Configure. a. To make changes to an existing Station, go to Step 4.
Page 29: Products Configuration
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Click on any of the items listed under the Station in the tree to make changes to the settings, as needed. If you created the second Station in the Equipment List (Step 2) and need to make changes, repeat Steps 4 and 5 for the second Station.
Page 30 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Select Products in the Configure tree in the left panel. b. Expand the item to see the entire list of products. For liquid applications, there are up to 32 configurable products. You do not have to use or configure all of them.
Page 31 OMNI 4000/7000 Operations and Maintenance Guide – Rev F The calibration result of some densitometer devices, also known as a pycnometer test for establishing a DCF, varies with the product. Density Factor A and B are associated with the specific densitometer assigned to a Meter Run. The Product DCF is associated with the specific product selected.
Page 32 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Click on the Measurement Algorithm tab. b. Select the Table or measurement algorithm to use for this product, based on the product specifications. c. Click Apply to save the selection.
Page 33 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. If the flow computer is equipped with a Gas Chromatograph for liquid applications (selected on the Equipment List screen found on Configure tree > General Setup item > Equipment List tab), select Gas Chromatograph on the tree.
Page 34 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Select a product in the tree to display its configuration options in the screens on the right. a. Select the Fluid Type from the drop-down list in the Fluid Setup group.
Page 35 OMNI 4000/7000 Operations and Maintenance Guide – Rev F In the left column of the Setup screen, enter the override values and select the preferred calculations for this product. Viscosity and Isentropic Exponent information are required only for differential pressure devices.
Page 36 OMNI 4000/7000 Operations and Maintenance Guide – Rev F When you are finished with the Setup screen, click Apply to save your changes. a. Click on the 1994 Analysis tab. Depending on which Density Method you chose, the analysis overrides available on this screen may change.
Page 37 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Fill in the information on both gas chromatograph screens. b. When you are finished, click Apply to save the 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.
Page 38 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Assign Gas Product to Meter Run In liquid applications, products are assigned to Meter Runs using batches and batch stacks. Go to Section 3.6 Batch Operations for more information on batches.
Page 39: Proving Functions
Refer to the Technical Bulletin TB-970803B Meter Factor Linearization for more information. This bulletin is for the OMNI 3000/6000 flow computers. You can use the OMNICONNECT database browser to look up the 6000 Modbus register to determine the corresponding 4000/7000 registers.
Page 40: Prove Configuration
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 3.5.2 Prove Configuration To access proving configuration settings, follow these instructions: In the Actions ribbon, click Configure. 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.
Page 41 OMNI 4000/7000 Operations and Maintenance Guide – Rev F For Conventional-type provers, the Prover Volume/Mass screen gives you selection options for both Detectors on each prover, in addition to Overtravel Volume/Mass and the option to select which prover Volume/Mass to use during Proves (either 1 or 2).
Page 42 OMNI 4000/7000 Operations and Maintenance Guide – Rev F In the Prove Run Setup group, adjust the Number of runs to average, Maximum number of runs and Number of passes per run, as needed. The Number of runs to average is the number of consecutive runs required that meet the set prove criteria to complete a prove sequence.
Page 43: Auto Prove Setup
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Adjust the settings in the Stability Check group, as needed. The flow computer checks for stability by reading the temperature and flowrate at the rate entered for Temperature Stability Time and compares these readings against the acceptable limits (Temperature Stability Limit and Flowrate Stability Limit).
Page 44 OMNI 4000/7000 Operations and Maintenance Guide – Rev F The final tab in the configuration and setup series, Prover Setup, displays identification information. After the main Prover Configuration and Setup tabs are complete, continue to verify settings or make changes to the settings for the other items in the Prover tree, as needed.
Page 45 OMNI 4000/7000 Operations and Maintenance Guide – Rev F To set up the plenum pressure option, follow these instructions: In the Actions ribbon, click Configure. a. Expand the 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.
Page 46 Click Apply to save your change. a. To verify the I/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 7.
Page 47 OMNI 4000/7000 Operations and Maintenance Guide – Rev F 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, click on Current Assignments in the Process I/O tree.
Page 48 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Switch Bar Temperature Option With Pulse Interpolation and when using piston-type provers, the switch bar temperature accounts for the effect of expansion or contraction the temperature has on the distance between the optical detector switches located on the switch bar.
Page 49 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. In the Prover group on the lower right-hand side of the screen, check the Switch Bar Temperature option. b. Click Apply to save your change. a. Expand the Prover function in the Configure tree.
Page 50 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. To verify the I/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.
Page 51 OMNI 4000/7000 Operations and Maintenance Guide – Rev F For assistance viewing input channel assignments, click on Current Assignments in the Process I/O tree. 3.5.3 Prove Sequence A prove sequence consists of a series of command actions and observed events, such as Overtravel volume, the inactivity timer, run repeatability settings and checking for stability.
Page 52 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Status Message Description Run Complete Overtravel Forward Buffer to allow prover to ready itself for next run The prove sequence includes each run as configured in the prover Operational Setup tab to meet the required run repeatability criteria ending with a Prove Complete and acceptable Meter Factor.
Page 53: Manual Prove Request
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 3.5.4 Auto Prove Setup The Auto Prove function is not available for Master Meter proving. The Auto Prove function selects the criteria for the flow computer to automatically execute a prove sequence, such as sustained changes in flow rates. A prove sequence may be executed after a certain amount of flow since the last prove sequence or after a set amount of flow has occurred after flow meter startup.
Page 54: Remote Prove Request
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Expand the Control tree. b. Select Prover to see the Prover Control screen to the right. a. In the Volume/Mass Prove Control drop-down box, select a Meter Run. b. Click the Prove Request button.
Page 55: Print Prove Passes
OMNI 4000/7000 Operations and Maintenance Guide – Rev F • 1734 – Meter 3 Prove Request • 1735 – Meter 4 Prove Request • 1736 – Meter 5 Prove Request • 1737 – Meter 6 Prove Request 3.5.7 Print Prove Passes The Print Prove Passes option can only be selected if the prove is a type of Pulse Interpolation, such as a small volume prover.
Page 56: Batch Operations
Batch Operations For liquid applications, the OMNI flow computer can track six independent flow Meter Run batches, each independently running any one of the 32 different configurable products in the flow computer. You can combine some or all of the flow meters into Stations as needed and create common batch stacks for the flow meters that will run the same products simultaneously.
Page 57: Batch Setup And Scheduling Configuration
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 3.6.1 Batch Setup and Scheduling Configuration To make changes to batch setup and scheduling configurations, follow these instructions: In the Actions ribbon, click Configure. Select Batch in the Configure tree. This opens both the Batch Setup and Batch Scheduling screens.
Page 58: Adjust Batch Size
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Click on the Batch Scheduling tab to make any changes to those options. The Disable Stack Shift on Auto Batch Ends option is only available for liquid applications. b. Click Apply to save your changes.
Page 59: Batch Stack Control
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. In the Batch Control screen, enter the adjustment amount in the Adjust Batch Size field. b. Click the Adjust Batch Size button to update the batch size to the amount you entered.
Page 60 OMNI 4000/7000 Operations and Maintenance Guide – Rev F By default, the flow computer automatically sets the first product (Product 1 in the list) as the active product number for all batch stacks. To access batch stack control settings, follow these instructions: In the Actions ribbon, click Operate.
Page 61 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Click on any of the Meter Runs or Stations to see their Batch Control screens. This screen displays an overview of the batch’s ID information, current status and totalizers. a. End the batch from this screen if needed by clicking the End Batch button. Go to Section 3.6.4 for more instructions on ending batches.
Page 62 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Fill in the information as required and choose a product for that batch from the Product drop-down list. When this stack entry becomes the running product, its meter factors, measurement selections and setup selections as they are currently configured become active.
Page 63: Ending A Batch
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 3.6.4 Ending a Batch End a batch in progress through OMNICONNECT in one of three ways: manually through the Batch Control screen, automatically through a timed schedule, or remotely through Modbus writes.
Page 64 OMNI 4000/7000 Operations and Maintenance Guide – Rev F For gas applications, select a Meter Run or Station in the Batch list. In the Batch Control screen to the right, click the End Batch button to manually end your selected batch.
Page 65: Batch Preset Counters
OMNI 4000/7000 Operations and Maintenance Guide – Rev F When ending a batch while flow is occurring, remember that the next batch will start immediately after you end the current one unless it is configured otherwise. For liquid applications, the Batch End Procedures options on the Batch Scheduling screen include the Disable Stack Shift on Auto Batch Ends selection.
Page 66 OMNI 4000/7000 Operations and Maintenance Guide – Rev F To activate a Batch Preset Warning flag and Batch Preset Reached flag, follow these instructions: In the Actions ribbon, click Configure. a. Expand a Meter Run or Station in the tree.
Page 67 OMNI 4000/7000 Operations and Maintenance Guide – Rev F To enter a batch size, go to the Actions ribbon and click Operate. a. Expand the Control tree. b. Select the same Meter Run or Station batch to edit that you selected in Step 2.
Page 68: Product Interface Detection
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 3.6.6 Product Interface Detection The flow computer can automatically detect product interfaces by monitoring the user-configured sustained rate of change in the specific gravity/density of a new product in the line (Figure 3-2 and Table 3-3).
Page 69: Primary And Secondary Variable Configuration
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 3.7.1 Primary and Secondary Variable Configuration Each PID control loop involves a primary controlled variable with override control by a secondary variable. The primary variable is the controlled variable unless the secondary variable exceeds or falls below a secondary setpoint.
Page 70 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. In the Primary Control Variable group, enter the database address of the primary variable in the Assign field. b. If you do not know the specific register number, click on the ellipses button to open the OMNI Database Browser to conduct a search.
Page 71: Pid Tuning Configuration
OMNI 4000/7000 Operations and Maintenance Guide – Rev F In the Primary Setpoint group, select an option in the Remote Input I/O drop-down list: a. Choose Unassigned if you will input the primary setpoint locally through the front panel. b. Choose Remote Input if you will provide a remote source through Modbus writes.
Page 72 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Select and expand PID Control in the Configure tree. b. Select PID Loop 1 to display its configuration screens to the right. Click on the PID Loop 1 Tuning tab.
Page 73 OMNI 4000/7000 Operations and Maintenance Guide – Rev F In the Response group, enter the Gain Factor and Repeats/Min values for the primary control variable. a. Enter a Gain Factor number between 0.01 and 99.99. b. Enter a Repeats/Min value between 0.0 and 40.00.
Page 74: Pid Ramp Control Configuration
OMNI 4000/7000 Operations and Maintenance Guide – Rev F The Error Select entry is used to determine whether the secondary variable should be prevented from falling below or rising above its setpoint. The control action selected for the primary and secondary variables also affects the setting for this entry (Step 4).
Page 75 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Select and expand PID Control in the Configure tree. b. Select PID Loop 1 to display its configuration screens to the right. Click on the PID Loop 1 Ramp Control tab.
Page 76: User Displays
OMNI 4000/7000 Operations and Maintenance Guide – Rev F The Startup and Shutdown Ramp entries are used to specify the maximum speed that the valve can open or close during startup or shutdown conditions. This is entered as a percentage of allowed movement per half second, so an entry of 1% per 1/2 second would require 50 seconds to move the valve from the fully closed to the fully open position.
Page 77 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Figure 3-3: User Display Example To access user display configurations, follow these instructions: In the Actions ribbon, click Configure. a. Select and expand the User Displays option in the Configure tree.
Page 78 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Give the display a descriptive title in the Title field, if needed. Begin 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.
Page 79 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Choose the unit of measure from the Units drop-down box, as applicable. If you choose to define your own units, you can edit 10 user-defined units. a. Click the Edit User Units button to open the User Defined Units window.
Page 80: Omniconnect Reports
OMNI 4000/7000 Operations and Maintenance Guide – Rev F ® 4. OMNICONNECT Reports Most reports include a header that lists information such as the date and the time the report was run, the location from which the report was accessed, the firmware revision of the flow computer (Rev: 02.05) and the flow computer’s application mode (Liquid KF US) (Figure 4-1).
Page 81 OMNI 4000/7000 Operations and Maintenance Guide – Rev F In the Actions ribbon, click Configure. a. Expand the Ports tree. b. Select and expand a Dual Ethernet card. c. Select the Ethernet ports to see the configuration options in the screens to the right.
Page 82: Local Printer Connection
OMNI 4000/7000 Operations and Maintenance Guide – Rev F In gas applications, Report Printer Assignments will also include the Detailed Daily Report. In the Miscellaneous Reports group at the bottom, select any or all of the other types of reports you wish to print. This includes the Prove Report, Trial Report, and Prove Abort.
Page 83 OMNI 4000/7000 Operations and Maintenance Guide – Rev F In the Port Assignment group, assign a port for Printer 1 if it is not yet assigned. In the Port Options group, select an option from the Print Priority drop-down list.
Page 84: Report Setup
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Report Setup To access the report setup options for Daily and Snapshot Reports, follow these instructions: In the Actions ribbon, click Configure. Click on the Report Setup option in the Configure tree to display the report setup screen.
Page 85 OMNI 4000/7000 Operations and Maintenance Guide – Rev F To select and edit custom report templates, follow these instructions: In the Actions ribbon, click Configure. Click on the Report Setup option in the Configure tree to display the report template settings.
Page 86 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. If you have a previously-built template ready for import or if you want to see or use one of the sample custom report templates provided on your hard disk when OMNICONNECT was installed, right-click on the template in the Report Template Editor tree.
Page 87 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Edit the settings. b. Click the database ICON to open the OMNI Database Browser, if needed. a. When you have made your selection, click Select to close the OMNI Database Browser window.
Page 88 OMNI 4000/7000 Operations and Maintenance Guide – Rev F The Report View tab allows you to view the report as it would look when it is printed. You can check the final alignment of values and make changes in the Formatted View or Raw View tabs, but you cannot edit the template in the Report View tab.
Page 89: Current Reports
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Current Reports The OMNI flow computer offers access to the reports listed in Table 4-1. The naming of the reports can be set in Preferences under the Reports tab. Table 4-1: Current Reports...
Page 90: Historical Reports And Audits
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Historical Reports and Audits The OMNI flow computer offers access to the reports and audit trails listed in Table 4-2. The naming of the reports can be set in Preferences under the Reports tab.
Page 91 OMNI 4000/7000 Operations and Maintenance Guide – Rev F If OMNICONNECT is online, follow these instructions to access and save historical reports: In the Actions ribbon, click Operate. a. In the Operate tree, expand Historical Reports. b. Click on any of the items in the list to view the historical report.
Page 92: Alarm Reports
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 4.5.1 Alarm Reports The historical Alarm Report details up to the last 1,000 alarm occurrences from the flow computer (Figure 4-2). The report lists the date, time, and name (or short description) of the alarm, as well as the following variables: •...
Page 93: Last Local Snapshot Reports
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Figure 4-3: Measurement Audit Trail Report Example 4.5.3 Last Local Snapshot Reports The Last Local Snapshot Report is a copy of the last Snapshot Report printed locally from the front panel of the flow computer. It includes IV/Gross, Daily, Batch and Cumulative totals from the flow computer, as well as process variable live values.
Page 94 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Each report has a Record Information group, which shows the number of records the flow computer currently holds and their date ranges: a. Use the Browse Records group to help search for reports by such filters...
Page 95: Omniconnect Data Retrieval
5. OMNICONNECT Data Retrieval Dashboard When using OMNICONNECT and when online with the OMNI flow computer, you can view a summary of any Meter Run or Station through the dashboard function. To access the dashboard, follow these instructions: In the Actions ribbon, click Operate.
Page 96: Custom Data Screens
Custom Data Screens reside on your PC hard disk. OMNICONNECT uses the screens to retrieve and view Modbus registers data from any OMNI 4000/7000 flow computer you are connected to without affecting any configurations.
Page 97 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Each of the 10 available screens has a Setup tab in addition to the 10 Meter and Station tabs. a. In the Setup tab, choose whether to enable the tree. b. Name the screen in the Tree Item Name field.
Page 98: Archives
OMNI 4000/7000 Operations and Maintenance Guide – Rev F After you click the Apply button and apply any changes to any screen or tab in the Setup Custom Data Screens tree, the updates will automatically show as items in the main Custom Data Screens tree.
Page 99: Run Archives
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Update the fields, as applicable. There are two ways to access the Database Browser for the Boolean Trigger: a. Click the ellipses button, or b. Right-click in the Boolean Trigger field.
Page 100 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Select and expand the Archive Maintenance item in the Diagnostics tree. 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.
Page 101: Retrieve Archives
OMNI 4000/7000 Operations and Maintenance Guide – Rev F While the archiving configuration function is disabled, you cannot make changes to the list of data registers collected for each archive. However, you can change the Boolean trigger event and trigger type that causes data to be archived, if needed.
Page 102 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Select and expand the Retrieve Archive Data item in the Operate tree. b. Click on the archive you want to retrieve. Click the Retrieve button to save the data to the file location that is written at the bottom of the screen.
Page 103 OMNI 4000/7000 Operations and Maintenance Guide – Rev F The data recorded from all configured Modbus registers in each configured archive is shown as comma-separated data in the file; each record begins with the date and time that the group of registers were recorded.
Page 104: Front Panel Operations
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 6. Front Panel Operations At various points during front panel operations you may be prompted to log in to the flow computer. If you do not know your password, contact your flow computer Administrator.
Page 105 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Use the Page Up or Page Down buttons to scroll through the Detail screen for the Meter Run or view the entire list of variables currently being measured. You can use the Right or Left arrow keys to switch to a different Meter Run from this Detail screen.
Page 106: Stations
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 6.1.2 Stations To access current Station operations, follow these instructions: a. In the Home menu, use the arrow navigation keys to go to and select Stations. b. Press the OK key.
Page 107: Batch Status
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Batch Status To access a snapshot of the current batch status, follow these instructions: a. In the Home menu, use the arrow navigation keys to go to and select Batch. b. Press the OK key.
Page 108: Proving Functions
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Proving Functions 6.3.1 Manual Prove Request To manually request a prove, follow these instructions: a. In the Home menu, use the arrow navigation keys to go to and select Prove. b. Press the OK key.
Page 109: Edit Prove Transducers
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 6.3.2 Edit Prove Transducers To edit proving process input variables, follow these instructions: a. In the Home menu, use the arrow navigation keys to go to and select Prove. b. Press the OK key.
Page 110: Front Panel Reports
OMNI 4000/7000 Operations and Maintenance Guide – Rev F For some small volume type provers that have been configured to measure the Plenum Pressure process variable, there is also an option to edit the Input Zero Scale and Input Full Scale values.
Page 111 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Use the arrow keys to scroll through the list of reports to choose the report you wish to print or generate. b. Press OK. Most of the reports listed in the Reports...
Page 112: User Displays
OMNI 4000/7000 Operations and Maintenance Guide – Rev F The Measurement Audit and Status reports require you to choose a specific number of events, up to 1000, to print. a. Press OK to access the number field if you wish to edit the number of events to be printed.
Page 113: Edit Density Correction Factor
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. In the Operate Functions menu, select Edit MF. b. Press OK. a. Use the Right or Left arrow keys to select the Meter Run (at the top of the screen) for which you need to update the Meter Factor.
Page 114 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. In the Operate Functions menu, select Edit DCF. b. Press OK. Use the Right or Left arrow keys to select the Meter Run or Station (at the top of the screen) for which you need to update the DCF.
Page 115: Edit Products
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Use the Right or Left arrow keys to select a different Meter Run or Station (at the top of the screen) to edit other DCFs or press the Home or Back keys to return to the Operate Functions menu.
Page 116 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. If you need to edit the product’s Meter Factor, select Edit MF. b. Press OK. c. Go to Section 6.6.1 Edit Meter Factor, and follow the instructions in Steps 3- 5 to edit the Meter Factor.
Page 117: Edit Transducers
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Use the arrow keys to select the line you wish to edit and then press OK to access the field and make changes. b. When finished, press OK or the Accept function key to save your changes.
Page 118 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Use the Right or Left arrow keys to select the Meter Run or Station (at the top of the screen) for which you need to update the process variables. If these process variables were not configured for a Station in OMNICONNECT, you will see this message.
Page 119: Batch Operations
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Press the Back key to return to the main Transducers menu. b. Use the navigation keys to select a different Meter Run or Station to edit, as needed. If the flow computer is configured through...
Page 120 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Use the arrow keys to select one of the following operations: • Batch Control (go to Section 6.6.5: Batch Control/Ending a Batch) • Edit Batch Stacks (go to Section 6.6.5: Edit Batch Stacks) •...
Page 121 OMNI 4000/7000 Operations and Maintenance Guide – Rev F You can edit some of the variables for any of the batches currently configured, such as Batch ID Number, Adjust Batch Size, Batch Remaining and any of the Batch Total values.
Page 122 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Continue to view, edit or end batches, 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 screen.
Page 123 OMNI 4000/7000 Operations and Maintenance Guide – Rev F If a Station is running a Common Batch Stack, it will be listed on its Batch Control screen (left). The Meter Runs assigned to this stack will display a notice (right) rather than any batch details (as it would for an Independent Batch).
Page 124 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Use the Right or Left arrow keys to select a Meter Run or Station (at the top of the screen) to access the batch records for each. After selecting the Meter Run or Station, press the Search button on the left to view the list of previous batch records.
Page 125: Pid Control
OMNI 4000/7000 Operations and Maintenance Guide – Rev F When finished entering your changes, press the Execute function key to recalculate the batch and generate a report. If a printer is connected and the flow computer is configured to print batch reports to it, the recalculated batch report will automatically print.
Page 126 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Figure 6-2: Typical PID Control Application (Single Loop) To access PID control functions, follow these instructions: a. In the Home menu, use the arrow navigation keys to go to and select Operate.
Page 127 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Use the right or left arrow keys to view the settings for each loop. Key PID control settings include: • Control Type – Indicates which parameter is being controlled: primary or secondary •...
Page 128 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. With Manual Valve? highlighted, press the OK key to open the option field. b. Scroll down to select Yes, and press OK again. Even if the Local Setpoint is set to Yes on this screen, you are still in Automatic Mode if the Manual Value? is set to No.
Page 129 OMNI 4000/7000 Operations and Maintenance Guide – Rev F To switch from a Remote to a Local Setpoint (and back), follow these instructions: In the PID Control screen for your selected loop, press the Override function key on the bottom left.
Page 130 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Startup and Shutdown Ramping Functions Startup and shutdown ramping functions are enabled when a startup and/or shutdown ramp rate between 0 and 99% is entered during PID configuration (Section 3.7). On the bottom of the main PID Control screen (Figure 6-3), there are three command function keys (besides Override, as discussed in Local and Remote Setpoints): •...
Page 131 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Tune the primary variable loop first: a. Use the arrow keys to scroll down and highlight Secondary Setpoint. b. Press OK. c. Enter the new Secondary Setpoint value. d. Press OK again to save the entry.
Page 132 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Use the arrow navigation keys to scroll down and highlight Secondary Gain. b. Press OK. c. Adjust the Secondary Gain and integral repeats per minute for stable control of the secondary variable.
Page 133 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Press OK to open the field for editing. b. Make a known percentage step change of output. c. Press OK again to save the entry. For example, from 20% to 22% equals a 10% change.
Page 134: Other Operations
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Use the arrow navigation keys to scroll down and highlight Primary Gain. b. Press OK. c. While controlling the primary variable (Step 4), increase the primary gain until some controlled oscillation is observed.
Page 135: Firmware
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Leak Detection The Leak Detection operation is accessible through the Operate Functions screen (Home menu > Operate). You may manually command the flow computer to capture the current totalizer values at the time a leak is detected. The Leak Detection command can also be issued through a Modbus write.
Page 136: Maintenance
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 7. Maintenance Software and Firmware Updates See Section 4.7.3 Setup Preferences and Section 4.9 Check for Updates in the Installation Guide to set preferences for firmware and software updates as well as instructions on how to manually check for new version releases.
Page 137: Calibration
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Click on the Remote Inputs tab to view a list of live remote inputs coming from the flow computer. Click on DM in the Diagnostics tree. This opens the Digital MUX screen, which shows the digital I/O points for the modules that are present in the system.
Page 138 OMNI 4000/7000 Operations and Maintenance Guide – Rev F For inputs and outputs: • Click the Restore button any time after starting a calibration. This command restores the calibration constants to the values they were when the calibration was initiated.
Page 139 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Verify that the signal wiring on the back panel is correct. a. Click Start Calibration. b. Click Yes to confirm on the pop-up window. This action records the following information in the Measurement Audit Trail Log: •...
Page 140 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Click Calibrate Input. Click Abort to abort the current calibration sequence. To apply the low calibration value in the Calibration Values screen: a. Adjust the Signal Generator or configure the Transmitter, whichever is connected, to output the lowest value needed to calibrate.
Page 141 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Click End Calibration to complete the calibration of the input channel. The calibration constants will be saved. Click Cancel at any time to end the calibration without saving the calibration constants.
Page 142 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Connect an ammeter to the Terminal Block output pins in series between the flow computer and the external 4‒20 mA device. Click Start Calibration. This action records the following information in the Measurement Audit Trail Log: •...
Page 143: Calibration Verification
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Click End Calibration to complete the calibration and save the calibration constants. Click Cancel at any time to end the calibration without saving the calibration constants. Continue calibrating additional analog outputs as needed by repeating this section.
Page 144 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Select an analog input calibration to verify by following the instructions in Steps 3 through 8 in the Analog Inputs section in Section 7.2.2 Calibration. After you apply your chosen Calibration Units, the Verify Input group will appear.
Page 145 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Click on the Analog Output tab. b. Select an analog output channel to verify from the Select Output drop-down box. To include output channels in the drop-down list that have not been assigned in the configuration, check the Include Unassigned I/O box.
Page 146: System Information
OMNI 4000/7000 Operations and Maintenance Guide – Rev F The 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.
Page 147 OMNI 4000/7000 Operations and Maintenance Guide – Rev F User Prompts The User Prompts 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 processor is processing every 500 milliseconds or less (Figure 7-3).
Page 148 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Checksums The Checksums tab shows the current firmware revisions and checksum calculations for the flow computer (Figure 7-4). The Operator can use this information to verify that the standard of certification is current (for example, the International Organization of Legal Metrology [OIML] Code) and to monitor any configuration changes.
Page 149: System Resets
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 7.2.5 System Resets To access the flow computer’s system reset options, follow these instructions: In the Actions ribbon, click Diagnostics. Click System Resets in the Diagnostics tree to display the flow computer’s system reset option screens to the right.
Page 150 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Reset Single Channel Calibration To reset the channel if you have trouble calibrating an individual analog input or output channel, follow these instructions: Click the Diagnostics button in the Home ribbon to open the Diagnostics tree in the left panel.
Page 151 OMNI 4000/7000 Operations and Maintenance Guide – Rev F If the problem persists: a. Check the hardware jumper settings for the channel in question. b. Check the software configuration settings to verify that they are set to the same type of input or output as the hardware jumpers.
Page 152 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Reset Prove The Reset Prove tab gives the Operator the ability to delete historical Meter Factor data for all or some of the Meter Runs. The following information is reset: •...
Page 153 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Reset Application CAUTION: If you choose to change any application feature through this screen, it will clear any current settings and you will have to re-configure the flow computer. If this action is necessary, save a copy of the current configuration file before you reset any applications.
Page 154 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Reset Totalizers You can only reset the totalizers if there is no flow in either the individual Meter Run you wish to reset, or in all Meter Runs if you want to reset all of them at the same time.
Page 155 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. In the Totalizer Digits window, select the number of Totalizer Digits and Totalizer Decimal Places, as needed. b. Click OK. At the prompt, click Yes. To reset individual Meters or Stations: a.
Page 156: Test Communications
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 7.2.6 Test Communications If you need to troubleshoot communication issues by determining the proper way to access certain Modbus register types, the Test Communications function acts as a Modbus master simulator where you can read and write the data to an individual register.
Page 157 OMNI 4000/7000 Operations and Maintenance Guide – Rev F To record and save the test, click the Register List button. This opens the Register List window. Keep the window open; you can still interact with the Test Communications screen in OMNICONNECT while the Register List is active.
Page 158: Front Panel Maintenance
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. To edit a previous register test, double-click on the test in your Register List. When it is highlighted in blue, press the Edit button. You can also right-click it and select Edit.
Page 159: Calibration
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. In the Home menu, use the arrow navigation keys to go to and select Utilities. b. Press the OK key. With System Date/Time highlighted, press a. Use the arrow keys to select the variable you wish to edit.
Page 160 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. From the Home screen on the front panel display, use the arrow keys to navigate to and select Utilities. b. Press the OK key. a. On the Utilities screen, use the arrow keys to navigate to the Calibration menu selection.
Page 161 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Use the Up or Down arrow navigation keys to scroll through the available channels or variables to calibrate. a. Press OK or the Accept function key to continue. b. Press the Cancel function key to abort the calibration process.
Page 162 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Adjust the Signal Generator or configure the Transmitter (whichever is connected) to output the appropriate Low value according to the selected calibration units. Low values are 4.00 mA for a 4‒20 mA input, 1 V for a 1‒5 V input, and 25 ohms for an RTD input.
Page 163 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Press the Apply Low function key to complete the Low adjustment or the Abort function key to discard. Adjust the Signal Generator or configure the Transmitter, whichever is connected, to output the appropriate HI value according to the selected calibration units.
Page 164 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Press the Apply HI function key to complete the span adjustment or the Abort function key to discard. After pressing the Apply HI function key, the Finalize Calibration? screen displays. a. If you have trouble calibrating the input channel, reset the channel by pressing the Defaults function key;...
Page 165 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Use the Up or Down arrow keys to scroll through the list of output channels. Press the Cancel function key to abort the calibration process or press OK or the Accept function key to select the highlighted channel.
Page 166 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Use the front panel to key in the value that appears on the ammeter: a. Select the Measured Output (mA)? field. b. Press OK. c. Enter the value. d. Press OK again or the Accept function key.
Page 167: Calibration Verification
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. If you have trouble calibrating the output channel, reset the channel by clicking the Defaults function key and attempt to calibrate the channel again. b. Press the Yes function key to finalize the calibration of the output channel.
Page 168 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Use the Up or Down arrow navigation keys to scroll through the available channels or variables to verify. a. Press OK or the Accept function key to continue. b. Press the Cancel function key to abort the verification process.
Page 169 OMNI 4000/7000 Operations and Maintenance Guide – Rev F On this screen you are given the flow computer’s Live Input Value. At any time, you can: a. Press the Save&Log function key to save and log the input verification test in the Measurement Audit Trail Report.
Page 170 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Press OK to enter the edit mode of the Selected Output? field. Use the Up or Down arrow keys to scroll through the list of output channels. Press the Cancel function key to abort the...
Page 171: Maintenance Mode
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Press the Save&Log function key to both run the verification process and log it in the flow computer’s Measurement Audit Trail Report. The verification screen now displays the Error Output (%).
Page 172 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. On the Utilities screen, use the arrow keys to navigate to the Calibration menu selection. b. Press OK. a. Use the arrow keys to scroll down and highlight Maintenance Mode.
Page 173 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Continue entering new values, as needed. When finished, press the Back key to go back to the Maint Mode Flow/Totals screen. On the main Maint Mode Flow/Totals screen, press the red Reset Tot function key to reset the totalizer values to zero.
Page 174: System Resets
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 7.3.5 System Resets CAUTION: Do not clear the flow computer’s RAM unless you have verified that all important information has been saved through OMNICONNECT. Clearing the RAM will erase important operating information such as: •...
Page 175: Licensing
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 7.3.6 Licensing To access the flow computer’s firmware license information through the front panel (software license information can be found in OMNICONNECT), follow these instructions: a. In the Home menu, use the arrow navigation keys to go to and select Utilities.
Page 176: Communications
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Use the arrow keys to scroll down and highlight Disable Download. b. Press OK. The default setting for the Disable Download function is No. Press OK to select the option box and use the up or down arrow keys to change it to Yes.
Page 177 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. On the Utilities screen, navigate to the Check Modules menu selection. b. Press OK or the Enter key. The flow computer detects any changes in the hardware modules installed. a. Verify that the SW (Software) and HW (Hardware) columns both display Y (Yes) for each module.
Page 178: Secure Digital Card
OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Confirm that any modules that previously said N under the SW column now say Y, indicating that their software has been updated to reflect the hardware installation. b. Confirm that any modules that...
Page 179 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Press the Eject function key. b. Remove the old SD Card. c. Insert the new SD Card. d. Press the Format button. On the flow computer CPU module, replace the protective adhesive tape covering the SD card slot.
Page 180: Diagnostic Data
OMNI 4000/7000 Operations and Maintenance Guide – Rev F 7.3.11 Diagnostic Data These screens display diagnostic information about the flow computer such as number and type of I/O modules installed, current output percentage of analog outputs and raw input signals coming into the flow computer.
Page 181: Component Maintenance
OMNI 4000/7000 Operations and Maintenance Guide – Rev F Component Maintenance If maintenance needs to be completed on any component of the OMNI 4000/7000 flow computer while it is in operation, inform the responsible technicians according to your company- or project-specific procedures. Only qualified individuals should perform maintenance on these components.
Page 182: Change Modules
OMNI 4000/7000 Operations and Maintenance Guide – Rev F If you suspect that a DC or AC fuse is malfunctioning, go to Section 7.4.3 Fuse Service and Replacement. Inspect the buttons on the front panel keyboard for blockage because of...
Page 183 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. To end a batch through OMNICONNECT, go to Section 3.6.4. b. To end a batch through the front panel, go to Batch Control/Ending a Batch in Section 6.6.5. In OMNICONNECT, retrieve the...
Page 184 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Click on the File ribbon and select Save As… b. In the Save As window, enter a file name and navigate to a chosen location on your PC or use the default Omni folder.
Page 185 Power down the flow computer and verify that no voltages are present. WARNING: When working with external devices connected to the OMNI 4000/7000 back panel, verify that no power is applied to the flow computer. External devices may have their own source of power.
Page 186 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Add, Remove and Replace Modules If you are using the panel mount chassis, lift the Front Panel Bezel upwards to slide the inner chassis out. If you are using the NEMA chassis, remove the card-retaining bracket from the chassis.
Page 187 OMNI 4000/7000 Operations and Maintenance Guide – Rev F If you have added or replaced a Serial, DE or Digital Multiplexer module, when the flow computer powers up it will automatically check for and adjust the hardware configurations. With any other module card, you may receive a message upon connecting to the flow computer in OMNICONNECT stating that there is a mismatch and you need to run Check Modules.
Page 188 Make adjustments to configurations, 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 displays an overview of the installed modules and current I/O allocations.
Page 189: Fuse Service And Replacement
OMNI 4000/7000 Operations and Maintenance Guide – Rev F If you want to begin archiving raw data again, go to Section 5.3.2 and follow the instructions for starting this feature if it has stopped. If you are using PID Loops, start your...
Page 190 Power down the flow computer. WARNING: When working with external devices connected to the OMNI 4000/7000 back panel, verify that no power is applied to the flow computer. External devices may have their own source of power.
Page 191 OMNI 4000/7000 Operations and Maintenance Guide – Rev F a. Replace the malfunctioning fuse with a new one, following the specifications for the Standard Back Panel indicated in Table 7-1. b. Carefully apply downward pressure and turn the base of the fuse holder clockwise to re-install the fuse.
Page 192 OMNI 4000/7000 Operations and Maintenance Guide – Rev F Place the flat end of the screwdriver underneath the fuse in between the clips and carefully pop out the fuse from the clips. a. Replace the malfunctioning fuse with a new one, following the...
Page 193 OMNI 4000/7000 Operations and Maintenance Guide – Rev F 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 trademarks are the property of their respective owners.

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