Emerson MON2020 manuale d’uso

Software for Gas Chromatographs 3-9000-745, Rev F April 2014 MON2020 Applies to all Emerson XA Series Gas Chromatographs[...]

NOTICE ROSEMOUNT ANALYTICAL, INC. (“SELLER”) SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS IN THIS MANUAL OR OMISSIONS FROM THIS MANUAL. SELLER MAKES NO WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THIS MANUAL AND, IN NO EVENT, SHALL SELLER BE [...]

Warranty 1. LIMITED WARRANTY: Subject to the limitations contained in Section 2 herein and except as otherwise expressly provided herein, Rosemount Analytical, Inc. (“Seller”) warrants that the firmware will execute the programming instructions provided by Seller, and that the Goods manufactured or Services provided by Seller will be free from [...]

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Contents Chapter 1 Getting started ................................................................................................................. 1 1.1 MON2000 and MON2020 ...............................................................................................................2 1.2 Getting started with MON2020 .............................[...]

2.4.6 Chromatogram Viewer tables ........................................................................................ 35 2.4.7 Open a comparison file .................................................................................................. 37 2.4.8 Save a comparison file .................................................................[...]

3.7.3 Set the scale values for an analog input device ............................................................... 63 3.7.4 Set the type of analog input signal ................................................................................. 63 3.7.5 Monitor the status of an analog input ..........................................................[...]

4.13 Local Operator Interface variables .............................................................................................. 107 4.14 Map a FOUNDATION fieldbus variable ........................................................................................ 108 Chapter 5 Logs and reports ...................................................[...]

6.7 Halt an analysis ...........................................................................................................................151 6.8 Stop an analysis .......................................................................................................................... 152 Chapter 7 Tools ......................................[...]

Contents vi[...]

1 Getting started Welcome to MON2020—a menu-driven, Windows-based software program designed to remotely operate and monitor the Daniel ® Danalyzer ™ XA series and the Rosemount ® Analytical XA series of gas chromatographs. MON2020 operates on an IBM-compatible personal computer (PC) running the Windows XP operating system or later. MON2020 ca[...]

• Dew Temperature Calculation (optional) MON2020 can access and display the following GC-generated logs: • Alarm Log • Event Log • Parameter List • Maintenance Log 1.1 MON2000 and MON2020 Users familiar with MON2000 or MON2000 Plus will find a few changes when using MON2020: • Login security is at the gas chromatograph level instead of [...]

- Older chromatograms available. MON2020 has access to archived chromatograms as old as four or five days. For more information, see Section 2.1.3 . - Full screen mode. For more information, see Section 2.2 . - Protected chromatograms. Chromatograms that you designate as “protected” will not be deleted. For more information, see Section 2.1.4 .[...]

1.2.1 System requirements To achieve maximum performance when running MON2020, ensure your PC meets the following specifications: Compatible operating systems Windows ® XP (Service Pack 2 or later), Windows ® Vista, or Windows ® 7 . Compatible browser Internet Explorer ® 6.0 or later. Minimum hardware specifications A PC with a 400 MHz Pentium [...]

Registering your copy of MON2020 allows you to receive information about free updates and related products. 1. Complete the appropriate fields on the Register MON2020 window. Note The software's serial number is located on the back of its CD case. 2. Click Next to continue. 3. Choose the desired registration method by clicking the correspondin[...]

“GC directory file not found” message Figure 1-1: If you get the “GC directory file not found” message, click OK . The GC Directory window appears and displays a table containing an inventory of the GCs to which MON2020 can connect. 2. If you are configuring the first GC connection for MON2020, there will be only one generic GC record liste[...]

14. To print the list of GCs, select Print Table... from the Table menu. 15. To save the changes and keep the window open click Save from the GC Directory window. To save the changes and close the window, click OK . When the Save changes? message appears, click Yes . For more details about configuring MON2020 connections, see Section 4.12 . 1.2.7 E[...]

“GC directory file not found” message Figure 1-2: If you get the “GC directory file not found” message, click OK . The GC Directory window appears 2. Click Import . The Import GC Directory File dialog displays. 3. Locate the GC directory file and select it. 4. Click Open . The newly configured GC Directory window reappears with the list of [...]

1. Start the AMS Device Manager by clicking on its desktop icon or by clicking the Start button and selecting AMS Device Manager → AMS Device Manager . 2. In the Device Connection View , open device icons by clicking once on each icon. Follow the path of connections until you locate the desired gas chromatograph icon. 3. Right-click on a connecte[...]

The Control Area Figure 1-4: A. Title bar B. Toolbar C. Menu bar D. Dialog Control Tabs • Title bar - The Title bar displays the name of the program, as well as the program’s connection status. MON2020 has the following three overall status modes: - Not connected - If MON2020 is not connected to a GC, then “MON2020” displays in the Title ba[...]

Begin auto sequencing. Halt auto sequencing. Open the About MON2020 window. • Dialog Control Tabs bar - The Dialog Control Tabs bar contains four buttons that allow you to manage the behavior of all windows that are open in the main window. The four buttons are Minimize All , Maximize All , Restore All , and Close All . The bar also displays a bu[...]

FID Flame Status Displays the status of the FID flame. Options are OFF with red background, ON with green background, and OVER TEMP with red background. The FID Flame Status indicator only displays on the GC Status Bar when the GC to which MON2020 is connected has an FID detector. You can hide or display the GC Status Bar by clicking GC Status Bar [...]

1.2.13 Disconnect from a gas chromatograph Disconnecting from a GC will automatically log you off of the GC. To disconnect from a gas chromatograph, do one of the following: • On the Toolbar, click . • Select Disconnect from the Chromatograph menu. Note If you are connected to a GC and want to connect to a different GC, it is not necessary to d[...]

F3 Halts the GC (e.g., an analysis run) at the end of the current cycle. See Section 6.1 for more information. F5 Displays the Timed Events table per specified stream. See Section 4.3 for more information. F6 Displays the Component Data table per specified stream. See Section 4.2 for more information. F7 Displays the chromatogram for the sample str[...]

MON2020 Task List (continued) Table 1-1: Task or Data Item Section(s) Menu Path [Keystroke] Calibration runs, number aver- aged Section 4.9 Application → Streams... Calibration runs, number of Section 4.9 Application → Streams... Calibration stream number Section 4.9 Application → Streams... Change the default C6+ mixture ratio Section 4.2.6 [...]

MON2020 Task List (continued) Table 1-1: Task or Data Item Section(s) Menu Path [Keystroke] Full-scale value (for input) Section 3.6 Hardware → Analog Inputs... Generate a repeatability certifi- cate Section 5.12 Logs/Reports → Repeatability Certif- icate... GPM liquid equivalent (on/off) Section 4.5.1 Application → Calculations → Con- trol[...]

MON2020 Task List (continued) Table 1-1: Task or Data Item Section(s) Menu Path [Keystroke] Streams analyzed, sequence Section 4.1 Section 4.9 Application → System... Application → Streams... Valve on/off times Section 4.3.1 Application → Timed Events... [ F5 ] Weight percent (on/off) Section 4.5.1 Application → Calculations → Con- trol..[...]

3. Click Save . 1.5.3 Import a configuration file CAUTION! The current configuration will be overwritten, so be sure to save it before importing a new or previous configuration. See Section 1.5.2 to learn how to save a configuration. CAUTION! The GC must be in Idle mode while performing this task. To import a configuration into a GC, do the followi[...]

2. Click Yes . MON2020 restores the default values to the GC’s data tables. When the process is completed, a confirmation message displays. 3. Click OK . 1.6 Configure your printer Select Print Setup... from the File menu to configure the settings for the printer connected to your PC. These settings will apply to any print job queued from MON2020[...]

1.9 The Physical Name column Most MON2020 hardware windows, such as the analog inputs or the valves, contain a hidden column called Physical Name that lists the default name of the associated GC device. It might be useful to know a device’s physical name while troubleshooting. To view the hidden column, do the following: 1. Select Program Setting[...]

Example of a context-sensitive variable selector Figure 1-6: The context-sensitive variable selector consists of a first-level element, called the context element , that is followed by a series of tiered, drop-down lists. The options available from the drop-down lists depend upon the context element. The following example explains how to use the co[...]

Getting started 22[...]

2 Chromatograph When it comes to viewing and managing chromatograms, MON2020 is flexible and straightforward. This chapter shows you how to access the Chromatogram Viewer, as well as how to use the viewer to display, print, and manipulate live, archived, or saved chromatograms. There is no limit to the number of archived and saved chromatograms tha[...]

Chromatogram pull-down menu Figure 2-2: The list of GC events associated with the production of the chromatogram, along with each event’s status and time, displays in the Timed Events table to the right of the chromatogram display window. The Component Data table, to the lower right of the chromatogram display window, lists the components measure[...]

2.1.1 Data displayed in the chromatogram window The chromatogram window Figure 2-3: A. Retention time B. Peak detection marker C. Timed event marker The following elements are displayed in the chromatogram window: The chromatogram A trace is the graphical representation of the detector output from a single detector; a chromatogram is the collection[...]

• Spectrum gain events display as short vertical lines. Peak detection markers These markers display on the chromatogram as black vertical lines above the trace-line. Each peak has two peak detection markers: one at its beginning and one at its end. 2.1.2 Display a live chromatogram To view a live chromatogram, do the following: 1. Connect to the[...]

Note See Section 4.1 to learn how to configure MON2020’s archiving behavior. Final Validation chromatograms These chromatograms are treated in the same manner as final calibration chromatogram files. - To view one or more archived chromatograms, do the following: 1. Click GC Archive . The Select archive file(s) window appears. The files can be so[...]

2.1.4 Protected chromatograms By default, archived chromatograms are not saved indefinitely. Once the GC’s storage capacity for archived chromatograms has been reached, the oldest archived chromatograms are deleted to make room for the newest archived chromatograms. If you have a chromatogram that you would like to preserve, it is possible to &qu[...]

2.1.5 Display a saved chromatogram To view a chromatogram that was saved to disk, do the following: 1. Click PC File . The Open dialog appears. 2. Navigate to the desired .xcgm file or .xcmp comparison file and select it. To make multiple selections, use the SHIFT or CTRL key. 3. Click OK . The Select window displays for each chromatogram that cont[...]

Command Name Shortcut Description Save State CTRL + HOME Saves current or archived display settings for the selected chromatogram. Note : The Save State function is available only when viewing a live or archived chromatogram. Restore State HOME Restores the last saved display settings for the selected chromatogram. Note : Pressing HOME returns the [...]

Command Description Default Val- ue X Min Sets the minimum value, in seconds, for the X axis. 0 X Max Sets the maximum value, in seconds, for the X axis. The is value is determined by the Timed Events table. 100 Y Min Sets the minimum value for the Y axis. -10 Y Max Sets the maximum value for the Y axis. 100 Print Speed Sets the number of inches pe[...]

A chromatograph Figure 2-6: To see how your changes affect the graph, click Apply . To accept your changes, click OK . • Click Cursor to toggle the cursor size from coarse movement (less accurate) to fine movement (more accurate). • Click Print to print the chromatogram window. 2.3.2 Additional plot commands In addition to the Graph bar, there [...]

Show Mini Plot Toggles the display of a smaller version of the chromatogram in a separate, smaller, and resizable window. This allows you to keep an overview of the entire graph at all times, especially when zoomed in. This window automatically displays whenever you zoom in on the original chromatogram. Rearrange Series Resizes and offsets two or m[...]

X Offset Enter a positive number to move the trace to the right, or a negative number to move the trace to the left. Y Offset Enter a positive number to move the trace up, or a negative number to move the trace down. # points Number of data points in the trace. This field is read-only. Color Assigns a color to the trace. 3. To see how your changes [...]

• If you want to remove a single live trace, click the appropriate detector checkbox beside the View current CGM check box. To remove a saved or an archived chromatogram from the chromatogram window and to close the file, do the following: 1. From the Chromatogram bar's pull-down menu, select the trace that you want to remove. 2. Click Remov[...]

Timed events and component data tables showing data for a currently selected trace Figure 2-8: Timed events and component data tables showing data for all open traces Figure 2-9: Note The brackets ([ ]) on the Cur/All button indicate which mode is being displayed in the tables. 1. To view the data for a different chromatogram, select the trace from[...]

2.4.7 Open a comparison file A comparison file contains two or more chromatograms and their associated data. To open a comparison file, do the following: 1. Click PC File . The Open dialog displays. 2. Select XA CMP Files (*.xcmp) from the Files of type drop-down menu. 3. Navigate to the folder that contains the comparison file that you want to ope[...]

Print at end of run Prints the chromatogram to the PC's default printer at the end of the run and is unchecked by default. Save at end of run Saves the chromatogram to the GC's Data folder at the end of the run and is unchecked by default. Show bunched data If this box is unchecked, then all of the raw data points are plotted to the chrom[...]

Print Sheet Allows you to print the table to your default printer. 2.5.2 Launch the Timed Events table from the Chromatogram Viewer To launch the Timed Events dialog directly, right-click on the Chromatogram Viewer’s Timed Events table and select Edit Timed Events Table . The Timed Events dialog displays. See Section 4.3 for more information. 2.5[...]

2.5.4 Use the Chromatogram Viewer’s cursor to update a Timed Event Chromatograph cursor Figure 2-11: The Chromatogram Viewer's cursor (A) can be dragged to any point on the graph, or it can be relocated by double-clicking within the boundaries of the graph. As the cursor moves across the chromatogram, the Timed Events table automatically scr[...]

You can track the cursor's location by watching the coordinates that display in the upper left corner (B). The x-coordinate represents the analysis time in seconds. When you see the desired time displayed, stop dragging the cursor. Note To toggle the cursor’s size between coarse movement (less accurate) and fine movement (more accurate), cli[...]

2.5.6 Edit retention times from the Chromatogram Viewer To edit the retention time for a component, do the following: 1. Double-click on the Component Data table or right-click on the table and select Edit Retention Times . The Ret Time column turns white, indicating that its cells are editable. 2. Click on the appropriate cell for the component th[...]

• 300 (Forced Integration) • 500 (Summation) Integ. Start Time, in seconds, when integration started. Integ. Stop Time, in seconds, when integration stopped. Peak Width Half Height The width of the peak taken at half of the peak’s height. Is Partial Peak If Y, then the Partial Peak value is used in the summation calculation; if N, then the Pa[...]

2. Click the Enable Daylight Savings checkbox. The Daylight Savings section will be enabled, giving you the following two options for setting the start and end times for daylight savings: • Week format. You can specify on which week day, of what week, and of what month DST to start and end. • Month/Day format. You can specify the exact day of t[...]

Note To implement your changes without closing the View/Set Date Time window, click Save . Note Daylight savings time should be configured each time the feature is enabled; thereafter, each year MON2020 will automatically compute the start and end times based on the initial configuration. Chromatograph 2 Chromatograph 45[...]

Chromatograph 46[...]

3 Hardware Many of a gas chromatograph’s hardware components—such as its heaters, valves, and discrete outputs—can be easily managed through MON2020. This chapter shows you how to view and administer each of a gas chromatograph’s major hardware components. This chapter also shows you how to view an inventory of all of a gas chromatograph’[...]

3.1.3 Set a heater’s voltage type To set a heater’s voltage type, do the following: 1. Select Heaters… from the Hardware menu. 2. Click on the appropriate Heater Type cell and select AC or DC from the drop-down list. 3. Click OK to save the changes and close the window. Note To save the changes without closing the window, click Save . 3.1.4 M[...]

Note Heaters 1 and 2 should never exceed 150 °C. 4. To exclude a heater from the Warm Start process, select its Ignore Warm Start check box. Note A warm start occurs when the GC restarts after having been shut down during an auto sequence analysis run. The GC will activate the heaters and wait until they reach their setpoints and the temperature s[...]

CAUTION! Fixed On mode is not recommended for general GC operations. Switching a heater to Fixed On mode removes its ability to maintain a constant temperature because the power delivered to the heater will not fluctuate based on the temperature setpoint, but will instead remain at the level set by the user. To set a heater’s PWM Output, do the f[...]

• Monitor valve operation. • Control the operation modes for each valve. 3.2.1 Rename a valve Give each valve a descriptive label to avoid confusing one valve for another. To assign an identifying label, do the following: 1. Select Valves… from the Hardware menu. The Valves window displays. 2. Double-click on the appropriate row under the Lab[...]

Note To save the changes and leave the window open so that you can monitor the valve’s progress, click Save . The current state of the valve displays in the State column, and is updated in real time. 3.2.3 Monitor the operational status of a valve To check a valve’s status, select Valves… from the Hardware menu. The status of each valve displ[...]

• Analyzer016 The usage mode is set at the factory and under ordinary circumstances it should not be changed. To set the usage mode for a valve, do the following: 1. Select Valves… from the Hardware menu. The Valves window displays. 2. Select the desired mode from the drop-down menu under the Usage column for the valve. 3. Click OK to save the [...]

3.3.2 Check the status of the EPC Note This feature only works with the 370XA. Select EPC on the Hardware menu. The EPC window opens. Check the Status column to learn the current state of the EPC: State Description Ok EPC is working normally and controlling the pressure to the set point. Pressure Low The carrier pressure is too low. Out of range Th[...]

3.4 Detectors Use the Detectors window to monitor the activity and status of the GC’s detectors. To view the Detectors window, select Detectors… from the Hardware menu. Note Before making any modifications to this window, halt the analysis. See Section 6.7 for more information. Note Blue cells display read-only data; white cells display editabl[...]

Igniter Status Options are: Off and On . Read-only. Electrometer Voltage Output at first stage of FID preamp. Read-only. Pre Amplifier Voltage Output at second stage of FID preamp. Read-only. Polarizing Voltage Igniter voltage. Read-only. FID Gain Status Options are: Low and High . Status Options are: Ok , Not Installed and Internal Error . Read-on[...]

The Flame Status field changes to “On” when the FID internal temperature exceeds the value set in the Flame On Sense Temp field. Note If the FID Ignition field is set to “Auto”, the GC will automatically restart the flame if it goes out. 3.4.3 Reset the preamp value To reset the Preamp Val field on the Detectors window to 0, click Auto-Zero[...]

3.5 Discrete inputs You can use MON2020 to assign labels to the GC’s discrete inputs and to control the discrete inputs’ operational modes. The number of discrete inputs available depends on the GC. 3.5.1 Rename a discrete input Give each discrete input a descriptive label to avoid confusing one unit for another. To assign an identifying label,[...]

3. To save the changes and leave the window open so that you can monitor the discrete input’s progress, click Save . The current state of the discrete input displays in the State column, and is updated in real time. 4. To save the changes and close the window, click OK . 3.5.3 Monitor the operational status of a discrete input To check a valve’[...]

2. Double-click on the appropriate row under the Label column for the discrete output that you want to rename. Note The discrete outputs are labeled Discrete Output 1 - Discrete Output N by default, where N equals the total number of discrete outputs available to the GC. 3. Type in a new descriptive name for the discrete output. 4. Click OK . 3.6.2[...]

3.6.4 Set the usage mode for a discrete output A discrete output’s usage mode determines which signals are routed to it via the Limited Alarm and Discrete Alarm functions. A discrete output can be assigned one of the following usage modes: • DO • Common Alarm • Stream • Analyzer01 … • Analyzer016 • Calibration • Maintenance • Ca[...]

3.7 Manage your gas chromatograph’s analog inputs With MON2020 you can control analog inputs in the following ways: • Assign identifying labels. • Assign scale ranges. • Calibrate analog inputs for zero and full scale values. Note Electrical current signals ranging from 4 to 20 mA (±10%) are accepted as analog inputs. 3.7.1 Rename an analo[...]

2. Select the desired mode from the drop-down menu under the Switch cloumn for the analog input. 3. Click OK to save the changes and close the window. Note To save the changes and leave the window open so that you can monitor the analog input, click Save . The current value of the analog input signal displays in the Current Value column, and is upd[...]

3.7.5 Monitor the status of an analog input To check an analog input’s status, select Analog Input… from the Hardware menu. The operational status of each analog input displays under the Status column. There are three possible status readings, and their meanings are as follows: OK The analog input is installed and is working correctly. Not Inst[...]

3.8 Analog outputs With MON2020 you can control the analog outputs in the following ways: • Assign identifying labels. • Assign scale ranges. • Calibrate analog outputs for zero and full scale values. 3.8.1 Rename an analog output Give each analog output a descriptive label to avoid confusing one unit for another. To assign an identifying lab[...]

Note To save the changes and close the window, click OK . The current value of the analog output displays in the Cur Val column, and is updated in real time. 3.8.3 Set the scale values for an analog output device To set the zero scale and full scale, which are used when converting the analog output value, do the following: 1. Select Analog Output?[...]

Not Installed The analog output device is not installed. Error The Heater/Solenoid board is installed but the GC cannot communicate with it. This window also displays other types of data, such as the following: mA The amount of current being generated in milliamperes. Cur Val The current scaled value of the analog output signal. 3.8.6 Calibrate an [...]

The type of hardware installed is listed under the Device Description column. The other types of information available on this screen are the following: IO Function Describes the function of the device. Slot Number Describes the location of the hardware in the GC. The slot number refers to the card cage assembly, which is located in the GC’s lowe[...]

4 Application Many of the variables that a gas chromatograph uses during an analysis run—such as timed events, stream sequence, and calculation types—can be easily managed through MON2020. This chapter explains how to do the following: • View and edit general information about the GC to which MON2020 is connected, such as name, model, and def[...]

Standard Component Table Version for ISO Indicates which version of the ISO’s standard component table is being used. CGM FCAL Archive Sets the storage behavior for final calibration chromatograms. The options are: • Keep Last FCAL Per Day - Saves only the last final calibration chromatogram of the day. • Keep All FCAL Per Day - Saves all fin[...]

Maintenance Mode Switches the GC to maintenance mode and triggers an alarm that the GC is down for maintenance. Ideal RF Order/ Limit Check Applies to the 370XA only. If enabled the GC will verify the following during a calibration: • The order of magnitude of the response factors for all the components should be in a particular order. The GC wil[...]

Calibration Repeatability Check If enabled, the GC will perform a check of the repeatability of calibration runs to the limits specified in ISO6974-1984(E) 8.2.1 Table 6. If the calibration fails to meet the conditions set forth in the table, then the calibration is deemed to have failed and the GC will rerun the calibration sequence. Metrology Typ[...]

The selected component data table displays. Note To see a different table, select it from the Choose table drown-down list. Note To sort the list of components by detector, and then by retention time, click Sort RT . 4.2.1 Edit a Component Data Table Note Table cells with a white background are editable; table cells with a turquoise background are [...]

CAUTION! Ensure that the component retention times do not exceed the analysis time, as defined by the Timed Events table. MON2020 does not automatically prevent the user from defining excessive component retention times. Resp Fact A component’s response factor is equal to the raw data of the component’s peak divided by the component’s concent[...]

RT Upd Meth Determines when the retention time will be updated. Options are: • Cal - Updates the retention time only during the final calibration run. • Anly - Updates after each analysis. Resp Fact % The maximum acceptable percent of deviation between the new response factor and the current response factor. Gross Dry BTU Gross energy content p[...]

Rel Resp Fact A fixed multiple of the response factor of the component found in the sample gas for indirect calibration. Not editable unless the calibration type is set to Relative . Rel Dens Liquid 15C The relative density in kilograms per cubic meter (kg/m 3 ) of the liquid phase for the component at 15 °C. Molar Mass The mass of one mole of the[...]

4. To save the changes and close the window, click OK . Note To save the changes without closing the window, click Save . 4.2.3 Remove a component from a Component Data Table To remove a component from a component data table, do the following: 1. Select Component Data... from the Application menu. The Component Data Tables window appears, displayin[...]

Note Other ways of accessing the component data tables are by pressing F6 or by clicking from the Toolbar. 2. Select the table that you want to view. The selected component data table displays. Note To sort the list of components by detector, and then by retention time, click Sort RT . 3. Click Std Values (F3) . The Standard Component Values window[...]

• 2 (Fused Peak). A fused peak is found if a peak onset is detected subsequent to the discovery of a peak crest and before the baseline termination is detected. • 3 (Last Fused Peak). The last peak in a group of fused peaks. • 4 (Tangent Skim). Baseline termination occurs when the current level is lower than the Start Baseline value and the s[...]

Component C6/C7/C8 percentages C6+ GPA 2261-99 60.0/30.0/10.0 C6+ 57/28/14 57.143/28.572/14.285 C6+ 50/50/0 50.0/50.0/0 To define a different ratio, do the following: 1. Select Component Data on the Application menu. The Component Data window opens. Note You can also click F6 to open the Component Data window. 2. Click the first field in the Compon[...]

1. Select Timed Events... from the Application menu. The Timed Events Tables selector window appears, displaying a list of available timed events tables. Note Other ways of accessing the timed event tables are by pressing F5 or by clicking from the Toolbar. Note If only one timed events table is available, it will display immediately, bypassing the[...]

Depending on the cell type, you will either be required to select a value from a drop- down list, or you will be able to type in the value directly. The following list describes the valve-related parameters that are available on the Timed Events window. TEV Type The type of device associated with the event. You have the following choices: • Valve[...]

Note If only one timed events table is available, it will display immediately, bypassing the Timed Events Tables selector window. 2. Select the table that you want to view. The selected timed events table displays. Note To sort events by time, click the appropriate Sort button. 3. Double-click on the cell that you want to edit. Depending on the cel[...]

- Off : A single baseline is drawn from the onset of the first peak of the fused group to the termination of the last peak of the group. (Default) - On : Causes a separate baseline to be drawn for each peak in the fused group. • Negative Peak: Determines whether peak detection will detect inverted peaks, which are peaks that point downward from t[...]

4.3.3 Configure spectrum gain events The spectrum gain feature graphically magnifies the size of a chromatogram’s peaks. The data itself is not affected; only the presentation of the data. This feature can be useful for viewing peaks that are otherwise too small to examine or so large that the top of the peak can not be seen. Spectrum gain-relate[...]

4. To save the changes and close the window, click OK . Note To save the changes without closing the window, click Save . 4.3.4 Set the cycle and analysis time To set the cycle and analysis time, do the following: 1. Select Timed Events... from the Application menu. The Timed Events Tables selector window appears, displaying a list of available tim[...]

1. Select Timed Events... from the Application menu. The Timed Events Tables selector window appears, displaying a list of available timed events tables. Note Other ways of accessing the timed event tables are by pressing F5 or by clicking from the Toolbar. Note If only one timed events table is available, it will display immediately, bypassing the[...]

Note To sort events by time, click the appropriate Sort button. 3. If you want to add the event above the currently selected event, click the appropriate Insert before button. If you want to add the event below the currently selected event, select Insert after from the Insert arrow and then click the button. The new event will be added to the table[...]

The component will be increment to the next available component—for example, from Ammonia to Benzene. The Nominal Value and Percent Deviation values will also be copied. Note You can select and copy more than one component at a time. If there are no components available, instead of copying the component, MON2020 will display the following message[...]

The Control Calculations window appears. 2. Select a check box for a given stream to turn the calculation ON for that stream; click to clear the check box for a given stream to turn the calculation OFF for that stream. You can use the arrow keys to move from one stream cell to another, and you can press the space bar to toggle the calculation on or[...]

Hourly Averages will be calculated at the start and end of every hour. 24 Hour Averages will start and stop once a day at the time displayed in the Reset Time field from the Averages Reset section. Weekly Averages will start and stop once a week at the time displayed in the Reset Time field and on the day entered in the Weekday field, from the Aver[...]

1. Select Applications → Calculations → Averages... . The Averages Calculations window appears. 2. Click on the desired variable to view its history. 3. Click Archive . The archive data screen appears. Note To copy the information in this table to the clipboard so that it can be pasted into another application such as Microsoft Word or Excel, s[...]

4.5.5 Copy component settings To copy the component settings from a highlighted row and apply them to the next row, do the following: 1. Select Applications → Calculations → Averages... . The Averages Calculations window appears. 2. Select the row that contains the component that you want to copy. 3. Click the arrow beside the S + Copy button t[...]

• ISO • GPA & ISO 3. Select a unit of measure from the Base Pressure Units drop-down list. The options are: • PSI • Bar • kPa 4. If you set the calculation method to GPA or GPA & ISO , you can also set the following options: • GPA Calculator Units (U.S. or S.I.) • GPA Pressure Display (PSI, Bar or kPa) 5. 5. If you set the cal[...]

- kilocalories per cubic meter (kCal/m3) - kilowatt hours per cubic meter (kWhrs/m3) - megajoule per cubic meter (MJ/m3) - megajoule per kilogram (MJ/kg) - megajoule per mole (MJ/mole) • Secondary CV Units (same options as Primary CV Units) 6. Click OK to accept the changes and close the window. Note Click Save to accept the changes without closi[...]

• False - Allows averaging when the alarm is active. 6. To customize the text of the alarm message, enter the new text in the appropriate cell under the User Alarm Text column. When the alarm triggers, this text will display under the Alarm Message column on the Unack/Active Alarms window. Note If an alarm message is changed, all affected alarm e[...]

b. Enter a value in the Delay column for the length of time, in seconds, that the alarm condition should exist before the Halt command is executed. You can enter a value between 0 and 1800 . 11. To save the changes and close the window, click OK . Note To save the changes without closing the window, click Save . 4.8 System alarms To edit system ala[...]

• Control automatic calibration or validation parameters, such as the total number of runs, runs to be averaged, starting times, and time between automatic calibrations and baseline runs. 4.9.1 Designate how a stream will be used To assign a function to a stream, do the following: 1. Select Streams... from the Application menu. The Streams window[...]

4.9.3 Assign a data table to a particular stream To assign a component data table, a validation data table, or a timed events table to a stream, do the following: 1. Select Streams... from the Application menu. The Streams window opens. 2. For the appropriate stream, if Usage is set to Cal or Analy , select a component data table from the CDT colum[...]

4.10 Create a stream sequence for a detector A stream sequence defines the order of stream analysis for a detector. You can create three sequences can be configured; each can be activated by a digital input device or via a Modbus link. To create or edit a stream sequence, do the following: 1. Select Stream Sequence... from the Application menu. The[...]

Baud Rate The baud rate setting. Options are: 1200 , 2400 , 9600 , 19200 , 38400 , and 57600 . For high performing PCs, set the baud rate to 38400 . If you experience a communications failure at this rate, set the baud rate to 9600 . Baud rate settings less than 9600 may result in real-time delivery that is unacceptably slow. Data Bits The number o[...]

Register Number Displays the number for the Modbus registers that will be polled by a connected data acquisition system. Data Type Describes the type of data that is stored in the register. Options are: • BOOLEAN. Has two states ON (1) or OFF (0). • INT. 16-bit unsigned integer. • LONG. 32-bit signed integer Note If the Modbus data type is Us[...]

This feature also increments the Stream value to the next available stream (e.g., incrementing from Stream 2 to Stream 3), per the GC application. An error message displays when the last available stream is reached. 7. To delete a row, click Delete . 8. To insert a row, click Insert . 9. To check for conflicting register assignments, click Check . [...]

You have two options: User_Modbus , which is a PLC emulation Modbus protocol that can use scaling to convert floating point numbers to integers; and SIM_2251 , which emulates the Daniel 2500 communication protocol and is a simulation of the 2251 GC controller. Note The table’s column headers change based on which protocol is selected. 5. If you w[...]

• SCALED_FP32 If one of the scaled floating point options is chosen, the Zero Scale and Full Scale values for that option will display in the appropriate column cells. SIM_2251 registers use only the FLOAT data type. Variable(s) Displays the variable(s) whose value is to be stored in the register. To change the variable, see Section 4.11.3 . Acce[...]

c. Click Save . 4.11.3 Assign a variable to a register To assign a variable to a register, from the Modbus Map Editor window, double-click the appropriate Variable(s) cell and select a new variable. For a demonstration of how to use the context-sensitive variable selector, see Section 1.11 . 4.11.4 View or edit scales MON2020 uses scales to convert[...]

To edit or create your own scale, do the following: 1. Select Application → Communication... → Registers and click Edit Scales from the Modbus Map Editor window. The Edit Scales window displays. 2. Double-click on the appropriate cell and enter a new value. 3. Click OK to save the changes and close the window. 4.12 Configure an Ethernet port To[...]

4. To copy the component settings from a highlighted row and apply them to the next row, click C + Copy . This feature also increments the Component value to the next available component—incrementing from Ammonia to Benzene, per the GC application. 5. Enter a value in the Precision column to indicate the number of decimal places to display for th[...]

5. To copy the component settings from a highlighted row and apply them to the next row, click C + Copy . This feature also increments the Component value to the next available component—incrementing from Ammonia to Benzene, per the GC application. 6. If necessary, enter a date or time format into the Date/Time Format column. 7. Click OK to save [...]

Application 110[...]

5 Logs and reports The options in the Logs/Reports menu allow you to do the following: • Keep a maintenance record. • Keep a parameter record. • View alarm, system and event logs. • View and print trend data. • View the GC Configuration report. • View relevant drawings and diagrams. • View archived analysis, calibration and averages r[...]

• LO means a high limit alarm was triggered. Limit Indicates the value that was set as the trigger for the alarm. Value Indicates the current status value being output by the device. Name Indicates the name of the variable that triggered the alarm. Note Discrete alarms do not display Type , Limit , or Value data. 5.1.2 Acknowledge and clear alarm[...]

Alarm Message Describes the alarm condition. State Indicates whether the alarm is SET (active) or CLR (inactive). Type If applicable, indicates whether a high limit or low limit alarm was triggered: • High means a high limit alarm was triggered. • Low means a high limit alarm was triggered. Limit If applicable, indicates the value that was set [...]

To view the maintenance log, select Maintenance Log... from the Log/Reports menu. 5.2.1 Add an Entry to the Maintenance Log To add an entry to the maintenance log, do the following: 1. Select Maintenance Log... from the Log/Reports menu. The Maintenance Log window displays. 2. Click Insert At Top . A new row appears on the maintenance log table. Th[...]

The Parameter List is a Microsoft ® Excel document that can be viewed and edited from MON2020. Before attempting to edit the document, be sure to review it first to get an idea of what sorts of data it contains. The Parameter List may contain one or all of the following pages: • Cover Sheet • TE Rework • pp Data • Programming • Strm Data[...]

Note To save the changes and keep the window open, click Save . 5.4 Drawings and documents Use this feature to access GC-related drawings and documents such as flow diagrams, the GC's sales order, assembly drawings, and electrical diagrams. These items can be stored on the GC in the following formats: • PDF • TIFF • GC Trend file (.xtrd)[...]

5.4.2 Add files to the GC To add files, such as new or updated drawings, to the GC, do the following: 1. Select Drawings/Documents... from the Logs/Reports menu. The Drawings/Documents window displays. 2. Click Add File(s) to GC . The Open dialog displays. 3. Locate and select the file to add to the GC. 4. Click Open . The file will be saved to the[...]

New Value If applicable, indicates the value in the cell after change. To view the list of change events, do the following: 1. To view all events, select the All checkbox. Otherwise, select the Select Range checkbox and use the Start Date and End Date drop-down boxes to select a date range. 2. Click Read Records . The list of events display with th[...]

Validation For the most recent validation cycle, displays the Nominal Value, Allowed Percent Deviation, and the Measured Value of each variable in the Validation Data table. See Figure 5-5 for an example report. Note If the actual deviation is beyond the allowed amount, then the row will be flagged with an asterisk (*). Final Validation For the mos[...]

Analysis Time The duration, in seconds, of the analysis. Can be configured at Application → Timed Events... . See Section 4.3.4 for more information. Cycle Time The duration, in seconds, between two consecutive analyses. Can be configured at Application → Timed Events... . See Section 4.3.4 for more information. Stream The stream that was analy[...]

Analysis (GPA) sample report Figure 5-1: Logs and reports 5 Logs and reports 121[...]

Analysis (ISO) sample report Figure 5-2: Logs and reports 122[...]

Calibration sample report Figure 5-3: Logs and reports 5 Logs and reports 123[...]

Final Calibration sample report Figure 5-4: Logs and reports 124[...]

Validation sample report Figure 5-5: Logs and reports 5 Logs and reports 125[...]

Final Validation sample report Figure 5-6: Logs and reports 126[...]

Raw Data sample report Figure 5-7: 5.6.2 View reports from live data To view a report created from the most recent data, do the following: 1. Select Report Displays... from the Log/Reports menu. The Report Display window appears. Logs and reports 5 Logs and reports 127[...]

Note By default, the Update automatically checkbox is selected. This means that when viewing a report based on the most recent data, the report will refresh as new data is created, based on the type of report that you select. For example, in the Report Display window, if you select Analysis (GPA), the report display will refresh each time the GC fi[...]

Note To change the font size, click Font +/- . There are five preset font sizes available. Continue to click Font +/- to cycle through the sizes until you are satisfied with the report’s readability. Note To print the report, click Print . 5.7 Generate reports from archived data Use the Archive Report commands to generate analysis, calibration, a[...]

Note To print the report, click Print . 6. To save the file, click Save . The report can be saved in the following file formats: TXT, HTM, HTML, and MHT. 5.7.2 Generate an Average report from archived data To generate and view an average report from archived data, do the following: 1. Select Logs/Reports → Archive Report → Average... . The Aver[...]

5.7.3 Schedule the generation of reports MON2020 can automatically generate and print each report according to the following schedule: Analysis (GPA) An analysis report will print after an analysis run is completed. Note If ISO is set in the Calculations Configuration screen, Analysis (ISO) will be listed under the Report Name column instead of Ana[...]

a. Enter a start time in the Start Time column. b. Enter an interval, in hours, in the Interval column. 4. Use the columns numbered 1 through 20 to select the streams that you want to use for data collection. 5. Click OK to save the changes and close the window. Note To save the changes without closing the window, click Save . 5.8 Trend data This f[...]

MON2020 reads the data from the GC and then closes the Select records for Trending window and plots the trend data on the graph section of the Trend Data window. Each trend record is color-coded; use the Trend pull-down menu to select a specific trend record. 5.8.2 View saved trend data Trend data files are saved with the XTRD file extension. To vi[...]

Note When the Selected Data checkbox is selected, the small table to the right of the graph displays the trend data for the visible area of the graph when zooming in and out. Save State Shortcut: CTRL + HOME Saves current or archived display settings for the selected trend graph. Note The Save State function is available only when viewing a live or[...]

5.10 Properties of the trend graph 5.10.1 The trend graph bar Use the graph bar buttons to change the display parameters of the graph. The graph Figure 5-8: Click Edit to view or change the display properties of the X and Y axes. The Edit Graph window displays. The following list defines the parameters that can be edited: Point Sets the X-axis valu[...]

• X Max - Sets the maximum value for the X axis to the point number of the last sample you want to use in the plot. Default value is N - 1, where N is the total number of points in the graph. Therefore, if there are 2500 points, then the X Max would be 2499. Note The X-axis value for the first sample, or point, in the trend graph is 0 , not 1. Th[...]

Scroll newest X Determined whether the graph’s window moves to focus on the most recent data point along the X-axis. The default value is Checked . To accept your changes, click OK . Click Cursor to toggle the cursor size from coarse movement (less accurate) to fine movement (more accurate). Click Print to print the graph window. 5.11 The Trend b[...]

2. Type or edit a description and then close the window. 5.11.3 Save a trend To save a trend, do the following: 1. From the Trend pull-down menu, select the trace that you want to save. 2. Click Save . The Save Trend File window displays. Note To save all currently displayed trend traces into one file, click Save All . Note For convenience the file[...]

5.11.6 Refresh a trend graph 1. From the Trend pull-down menu, select the trace that you want to refresh. 2. Click Refresh. The trend graph will be updated with any new data that was compiled since the most recent refresh. 5.11.7 Display trend data The data used to plot the trend graphs displays in the table to the right of the graph display area. [...]

The Trend Data window Figure 5-9: The table contains the following columns: TRD Indicates the identification number of the trend graph. Useful if more than one trend is being displayed. The first trend that is displayed is #1, and so on. Average Indicates the average data point value of the selected samples. Minimum The lowest data point value of t[...]

3. Select a variable from the Variable column. You can select an unlimited number of variables. Name Description Plot If selected, a graph will be added to the re- port. Description The name that will be used to denote the se- lected variable on the report. Limit The maximum allowed variation of the selec- ted variable. If the variation of the sele[...]

The data in the Select Variables table will be saved and the certificate will be generated and displayed in Acrobat Reader. A table of repeatability values will be displayed first and then each variable that you selected to be plotted will have its own graph. Name Description Repeat. Limit This value will be taken from the Limit value that you ente[...]

Note To select all the options, click Select All (F2) . To clear all options, click Clear All (F3) . 3. Select the type of output you want for the report. Note When choosing a Printer option, if you want to use a printer different from the one that you usually use, deselect the Use default printer checkbox and when the report is ready, the printer [...]

Example: First page from a sample GC Configuration report 5.14 Delete archived data from the gas chromatograph To delete archived data and reset the GC memory, do the following: 1. Select Reset Archive Data... from the Logs/Reports menu. Logs and reports 144[...]

The Reset Archive Data window displays. 2. Select the types of data that you want to delete. Note To select all the options, click Select All . To clear all options, click Deselect All . 3. Click Reset . MON2020 displays a confirmation dialog. 4. Click Yes . MON2020 clears the GC’s memory. New archived records will begin accumulating again as ana[...]

To print the graph, click Print . Logs and reports 146[...]

6 Analysis The options in the Control pull-down menu allow you to manage analysis runs as well as calibration, validation and baseline runs. Control menu commands also allow you to stop an analysis run immediately or at the end of the run. 6.1 Auto sequencing This is the normal mode for an online GC. Use this function to start continuous GC analysi[...]

Note If auto calibration or auto validation is enabled then they will be performed as part of the auto sequence. To start an analysis run on a single calibration or sample stream, do the following: 1. Select Single Stream… from the Control menu. The Start Single Stream Analysis dialog displays. 2. Select a stream from the Stream menu. 3. Decide w[...]

• Select Normal to perform a manual calibration in which the component data table for the selected stream(s) will be updated with calibration data unless the data is outside the acceptable deviations, as listed on the component data table. For more information, see Section 4.2 . • Select Forced to perform a manual calibration in which the compo[...]

6.5 Configure the valve timing The function of valve timing is to switch the analytical flow path after all the peak of a “lighter” component has left a column, but before the next component comes out. The first image below shows the valve timing occurring in-between the C6+ and n-Pentane peaks correctly on a standard 4-minute C6+ application. [...]

Auto Valve Timing sample report Figure 6-2: 6.6 Auto valve timing alarms Alarm Name Description Example Excessive AVT Adjustment If the valve timing adjustment exceeds the limit set in the con- figuration dialog this alarm will be triggered and the retention times and timed events will be set back to their pre-adjust- ment settings. The valve num- [...]

a. Select Halt… from the Control menu. b. Press F3 . c. Click on the Toolbar. A confirmation message displays. Confirmation message Figure 6-3: 2. Click Yes . The analysis will stop at the end of the current cycle. Use the Mode column on the GC Status Bar to monitor the status of the operation. When the analysis has halted, the Mode value will be[...]

2. Click Yes and the current analysis stops. Analysis 6 Analysis 153[...]

Analysis 154[...]

7 Tools The options in the Tools pull-down menu allow you to do the following: • Use the Modbus Test program to confirm that data is being accurately relayed from the gas chromatograph to the PC. • Manage users. • Adjust the sensitivity of the LOI keys. • Install upgrades to the GC. 7.1 The Modbus Test program Use the Modbus program to poll[...]

Comparing SIM_2251 and User_Modbus Protocols Table 7-1: SIM_2251 User_Modbus A modified protocol that allows a floating point number to be assigned to a single register so that it can be transmitted over Modbus via 2251 emulation slave type. Standard Gould protocol that accommodates PLC Emulation LO-HI or HI-LO word order for 32- bit values. The GC[...]

Parameter RTU ASCII Data Bits 8 7 Parity None Even Stop Bits 1 1 Flow Control None None Read Timeout 500 ms 500 ms Try 2 2 Register Mode Daniel (SIM_2251) or PLC-LH (User_Modbus) Daniel (SIM_2251) or PLC-LH (User_Modbus) 4. 4. Click OK . 7.1.3 Obtain Modbus Data To read or write register contents to the GC, or any other device, do the following: No[...]

Note When the register mode is set to SIM_2251, the data type is set automatically by the Modbus program, based on the specified data address. 4. In the Quantity field, type the number of registers to be retrieved. The Modbus test program will accept a quantity value of 1 to 2016 . The requested number of registers cannot exceed the amount containe[...]

2. Select the desired read or write option from the Function pull down menu. Function Code Description Broadcast 1 (Read Coil) Reads one or more coil values. 2 (Read Input Status) Reads one or more input status values. 3 (Read Multiple Regs) Reads one or more register values. 4 (Read Input Regs) Reads one or more input register values. 5 (Set Singl[...]

The following list displays the default data types for each block of SIM_2251 registers: 1000 – 2999 Boolean 3000 – 4999 Integer 5000 – 6900 Long 7000 – 8999 Float Note To ensure the best data type assignments, review a GC Config Report. 8. Click Transmit to retrieve the selected registers (i.e., the specified data addresses) from the GC. T[...]

Function Code Description Broadcast 3 (Read Multiple Regs) Reads one or more register values. 4 (Read Input Regs) Reads one or more input register values. 5 (Set Single Coil) set (write) one coil value 6 (Set Single Reg) set (write) one register value 15 (Set Multiple Coils) set (write) multiple coil values 16 (Set Multiple Regs) set (write) multip[...]

The following table describes the relationship between templates and record numbers: Data Type Set- ting Other Setting(s) Result Register tem- plate • Enter Data Addr val- ue. • Enter Record No. val- ue. • Enter Quantity value. Read Quantity fields (i.e., the number of fields specified by the Quantity setting) from the specified Record No. of[...]

To set the log parameters for the Modbus program, do the following: 1. Click Log Data . The Log Data window displays. 2. Select the Enable Logging ‘Data’ Registers and Values check box to enable data logging and to activate the Log Data Parameters section. 3. Select a Logging Mode from the pull-down menu. You have the following options: • Con[...]

Use the Register command described in Section 4.11.4 to assign scale ranges. 7.2 Communication errors The Modbus program’s Error Log is maintained in a circular buffer that holds up to 512 entries. The Modbus program tracks the errors for a given session but does not store them. When you exit the Modbus program, all errors are cleared. To view an[...]

Administrator An administrator has complete access to all of MON2020’s commands and functions, as well as the ability to manage all other users by creating or deleting user accounts, and changing passwords. Note Each GC ships with one administrator account: emerson . By default, this account does not require a password, but a password can be adde[...]

Menu Commands Admin User Super User Regular User Read-Only User Streams Y Y read-only read-only Stream Sequence Y Y read-only read-only Communication Y Y read-only read-only Logs/Reports Unack/Active Alarms Y Y Y read-only Alarm Logs read-only read-only read-only read-only Ack/Clear Alarms Y Y Y N Maintenance Log Y Y Y read-only Event Log read-only[...]

MON2020 creates the new user and adds it to the User table on the User Administration window. 7.3.2 Export a list of user profiles To save a list of users, along with their role levels and passwords, do the following: 1. Select Tools → Users → User Administration... . The User Administration window appears, displaying a list of current users an[...]

The User Administration window appears, displaying a list of current users and their role levels. 2. Select the user whose role you want to edit and click Edit User . The Edit User window displays. 3. Change the appropriate information as required. 4. Click OK . MON2020 makes the requested changes and returns to the User Administration window. 7.3.[...]

Note If MON2020 was already started, be sure to disconnect from all GCs before attempting to reset the administrator password. The following warning displays: Password reset warning message Figure 7-1: 2. Click Yes . The Connect to GC window displays. 3. Click the Ethernet button that corresponds to the GC whose password you want to reset. MON2020 [...]

To upgrade the firmware, do the following: 1. Select Upgrade Firmware... from the Tools menu. The Upgrade Firmware window displays. The Currently Install Versions section details the status of the currently-installed applications. 2. Click Open . The Open File dialog displays. 3. Locate and select the desired .zip file and click Open . The .zip fil[...]

• Heater/Solenoid board • Base IO board This information can be useful when troubleshooting maintenance issues and in deciding if further action is required. To view the Diagnostics window, select Diagnostics... from the Tools menu. 7.7 Adjust the sensitivity of the LOI Keys Note This feature is not available for the 370XA gas chromatograph. To[...]

Note To save the changes without closing the window, click Save . Tools 172[...]

Appendix A Custom calculations To create or edit a customized calculation using GC analysis data, do the following: 1. Select Applications → Calculations → User Defined... . The User Defined Calculations window appears, containing a list of all the user- defined calculations that are available to the GC. 2. Click Insert before to add a row to t[...]

The Edit User-defined Calculation window Figure A-1: In MON2020, building a calculation is similar to building a simple program. You have constants and two types of variables available, as well as two calculation-building commands. You can also add comments that will be ignored by the application but that can help you explain the logic and structur[...]

Note If the selected line is an "If-Then" statement, then the entire condition is cleared. This button is disabled when the cursor is on an "else" or "endif" condition. • Click Delete Line to delete the selected line. Note If the selected line is the beginning of a conditional statement, then the entire "If-Then[...]

Note This button is only active when the line being edited is an expression. • Click Done to evaluate the expression and copy it to the Calculations Steps Viewer. If there are any errors in the expression, they are reported in the Output window. Calculator (D) This section contains calculator functions that can be used to build a mathematical exp[...]

• Section 2 - This section contains the traditional calculator keys and can be used with your keyboard’s Numpad , if it has one. Note Make sure to engage your keyboard’s Numlock before using the Numpad. Constants and Variables Creator (E) This section contains drop-down menus and buttons that allow you to create and select constants and varia[...]

A.1 Insert a comment To add a comment to the calculation, do the following: 1. Click on the Insert drop-down list and select Insert Comment . A new line will be added to the Calculation Steps Viewer and the Expression Editor will switch to Edit Comment mode. 2. Enter the comment into the Edit Comment text box and then click Done . The comment will [...]

1. Click on the Insert drop-down list and select Insert Condition . A new line is added to the Calculation Steps Viewer and the Expression Editor switches to Edit Condition mode. 2. Add an expression. You can use constants, temporary variables, system variables, and the calculator functions to build the expression. For information on inserting syst[...]

The Variable/Constant drop-down list Figure A-6: For information on creating variables, see Section A.5 . For information on creating constants, see Section A.4 . 5. Click Done . MON2020 validates the statement and if there are no errors, it adds it to the Calculation Steps Viewer. To complete the conditional statement, use the Expression Editor in[...]

You can select either a temporary variable or you can set the expression you are building as the final result of your new user-defined calculation. For instance, if the user-defined calculation you are building is called ‘User Calc 1,’ then you can select User Calc 1 from the Final Result tree view. For information on creating variables, see Se[...]

A.5 Create a temporary variable To create a temporary variable that you can use in building a calculation, do the following: 1. From the Edit User-defined Calculatio n window, click Edit Temporary Variables . The Edit Temporary Variables window displays, showing all the temporary variables that have been created so far for the user-defined calculat[...]

The Expression Editor Figure A-8: Custom calculations A Custom calculations 183[...]

Custom calculations 184[...]

Custom calculations 185[...]

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