question stringlengths 19 6.88k | answer stringlengths 38 33.3k |
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Problem Statement: How can I create the classic flowsheet in Aspen PIMS? | Solution: The following steps can be used to create a flowsheet in Aspen PIMS:
1. Go to Model Settings | Reporting | Selection and check the FLO reporting option
2. Run the model and Go to Open Reports
3. Filter by .FLO file and open the necessary file
4. The user will now be able to access the flowshee... |
Problem Statement: How can we generate the Trancol and Range reports? How do we interpret the contents of those reports? | Solution: To generate the Trancol and Range reports, do the following:
1. Check the TRANCOL and RANGE boxes located in the Model Settings\General\Reporting tab.
2. Create some TRMASK and TCMASK rows in T.REPORT to apply row and column masking. Common masks are as follows: TCMASK: PURC***, SELL***, and CCAP*... |
Problem Statement: This knowledge base article describes the versions of Windows and Microsoft Office that are supported by Aspen PIMS V7. | Solution: Aspen PIMS V7.3 supports Microsoft Office 2010.
Aspen PIMS V7.2 supports Microsoft Windows 7.
Aspen PIMS V7.1 supports Microsoft Office 2007, but there were some performance issues with Excel 2007. V7.2 improves performance with Excel 2007.
Users can also refer to 'Release of aspenONE Deployment Guide' that... |
Problem Statement: How do you manually terminate the recursion process on a model which has not converged? | Solution: NOTE: This applies to Distributive Recursion models only. This is not applicable to models using PIMS Advanced Optimization.
You can hit ALT-I at anytime during the recursion process. Activating this process will result in Aspen PIMS asking Do you want another recursion pass?.
Selecting YES will tell Aspen PI... |
Problem Statement: Running loadrec using Remote Desktop Connection from a PC on the local network returns the error Database not running. Also, dumprec returns the message: GETDB: Infoplus.21 databse synchronistation object has not been created. | Solution: Loadrec is an IP.21 utility to create new database records based on data contained in a text file. Dumprec works in reverse and dumps the contents of one or more records to a text file. Both of these utilities should always be run directly on the IP.21 server, and not via a Remote Desktop Connection.
Keywords... |
Problem Statement: The DISABLE feature that was added in version 13 does a great job of removing unneeded streams from the model. It is extremely helpful for models that have a large number of unused feed and/or product streams. By activating this feature, PIMS will strip out all of the references to the stream in the ... | Solution: In PIMS versions before 13.4, the onlySolution to the problem was to hand input the missing row(s) into PGUESS. Depending on the number of disabled streams, this can be time consuming.
In 13.4, PIMS is able to resolve multiple entries in table PGUESS by, by using the first value that it finds. PIMS starts at ... |
Problem Statement: Where are the .ini files stored in Aspen Fleet Optimizer V7.3? | Solution: Parameters previously specified in the Customize.ini, Internal.ini, and Services.ini files are moved to tables within the Aspen Fleet Optimizer database in this release. An INI Configuration Utility is added to assist in managing the settings within the database. Refer to the Aspen Fleet Optimizer Administrat... |
Problem Statement: CV Cost Factoris incorrectly limited to a positive number in the WebViewer - V7.2.
You can put a negative cost in the CCF and the controller will use it just fine. It's just that when you try to change the cost through the web server it gives you an error that the cost can't be less than zero.
This w... | Solution: It looks like it crept back into the WCF version.
The temporary workaround is to edit the dmcplus.product.config file (%ProgramData%\AspenTech\APC\Web Server\products\dmcplus\). Search for CVCST, then replace the line that says:
<minLimit value=float:0 />
?with:
<minLimit value=float:-9998 />
Ke... |
Problem Statement: Why is Aspen IQ missing from the PCWS if it has the same name as a Process Controller? | Solution: The web server does not support duplicate application names. The Aspen Production Control Web Server will not display two applications from the same host that have the same name. You will need to rename one of the applications. The first application that loads will show up in the PCWS.
Keywords:
References: ... |
Problem Statement: How can I allow for window navigation / pop-ups of the PCWS on the Gus station? | Solution: The windows policy configured on the Honeywell Gus stations prohibits pop-ups and the expected navigation of the Production Control Web Server. Correcting this issue requires the modification of the Windows Policies.
What may appear as pop-ups may really be another instance of the internet explorer.
Use a gr... |
Problem Statement: Aspen Production Control Web Server 2006.x, running on a Windows 2003 sp1 experiences problem when sp2 is applied.
Issue 1 - Immediate performance issues : taking several minutes to connect to a webpage. This was immediately after putting the webserver into service. After backing out SP2, the server ... | Solution: .
Issue 3 - There seems to be many reports regarding SP2 causing issues w/ IIS6Solution
Issues 1 and 2, may be the result of old NIC drivers on servers.
SP2 requires at least rev 2008 drivers for Broadcom NICs,
to support features added by SP2 such as TOE and RSS.
Issue 3 - A possible reSolution may be uninst... |
Problem Statement: After a firewall implementation between Aspen Production Control Web Server (PCWS) and Aspen DMCplus Online, the communication between these two application may stop with following error messages:
Application or variable group not available.
The application may down for maintenance or an invalid UR... | Solution: Implement Master trader on the outside of the firewall with PCWS.
Open port 11004 for the DMCplus connection from the PCWS Server to the DMCplus Online Server.
Open ports 11002 and 11003 outbound from the DMCplus Online Server to the PCWS Server.
Keywords: None
References: None |
Problem Statement: How does Aspen Fleet Optimizer try and reduce excess inventories? | Solution: Since products at a customer location sell at different rates, delivering the right mix of product is essential. If too much slow-selling product is delivered, its inventory will build. With Fleet Optimizer, you can better manage inventory positions at customer sites to avoid this issue.
Keywords: None
Refere... |
Problem Statement: Is it possible to configure which FF's are visible in the SUB operations view? | Solution: Yes. You can create your own Variable Groups using the Configuration tab (must have Site_Admin role permission).
1) Click the Group Definitions link.
2) Select your application
3) Select an existing variable group to work with.
4) Click Copy
5) Name your new group
6) Add/remove variables to/from t... |
Problem Statement: How is contractors fee in Aspen Kbase calculated? | Solution: Please refer toSolution document 104631: Understanding the Prime Contractor Report (http://support.aspentech.com/webteamcgi/SolutionDisplay_view.cgi?key=104631), page 9 in the prime.pdf document.
Keywords: prime, contractor, fee, calculated, calculate, contractors
References: None |
Problem Statement: Integrated Authentication is required with newer versions (2004.2 and later) of Aspen Production Control Web Server (PCWS). At your site it is still preferable to have the users enter the userid and password to run PCWS. How can you make the user enter his userid and password? | Solution: To resolve this situation, it is necessary to configure the browser on each client computer to prompt for userid and password.
Do this by starting a PCWS session on the computer you wish to change (this will help insure that the changes are made in the correct zone - hopefully Local intranet). Once the PCWS i... |
Problem Statement: When I run my project evaluation in Aspen Kbase, no CAP_REP.CCP report appears. What is wrong here? | Solution: There isn't anything wrong. There is a new specification with the Kbase software in the Project Basis, under General Project Data.
No standard Kbase estimates and reports would be developed with the project if the M selection in the field called suppress default equipment/area/project bulks is chosen. Wit... |
Problem Statement: I have been working with a very large project that has a very large reports.mdb file and associated ProjID database files.
When I attempt to save my project, it won't save. What can I do to save my project without losing all my work? | Solution: The culprits will be all the *ProjID database files and the reports.mdb file.
Just Cut the reports.mdb file and and Paste it to another location on your hard drive or network server. Once the file is gone, you will be able to save the project with no problems, but still have a copy of the reports.mdb file.
If... |
Problem Statement: In Aspen Kbase v2004.2, under General Piping specs, there was a field called fitting spec filename so that the user can select the fitting spec filename to use for the project.
However, that field is now missing from the General Piping specs input form.
Where is it located now? | Solution: The fitting specification has now moved to be a Customer External file.
If you right click on the Fittings external file, you will be able to choose select, and then your selection dialog box will appear so that you can select which external fitting specs file to use.
If you don't see your fitting fil... |
Problem Statement: Where is the Create MpsBcd (Matrix file with results) setting in V7.2 located?
In previous versions, it was located on the lower part of the Run Windows. | Solution: The Create MpsBcd setting is now located under Model Settings | Reporting | Output.
It can also be accessed through the Run Window, by clicking on the Reporting option on the right:
Keywords: Matrix
MPS
MPSBCD
References: None |
Problem Statement: There are many situations where there is a need to remove some material from a stream. This can happen in fractionation. The problem arises in being able to model quality subtraction rather than quality addition. Quality subtraction is needed to subtract a distillation column overhead or bottoms from... | Solution: One specific example of subtractive recursion is the depentanization of light cat gasoline. One requirement of this type structure is that the quality of either the overhead or bottoms stream must be of known and fixed quality. The other stream's quality is solved by difference.
For example in Cat gasoline fr... |
Problem Statement: How is the Inventory Change Calculated when using AOCOST and ACPRICE? | Solution: AOCOST and ACPRICE are similar to OCOST and CPRICE except that AOCOST and ACPRICE multiply the entire inventory while OCOST and CPRICE multiply the difference between the opening and closing inventory. Also by selecting the AOCOST and ACPRICE, PCOST will penalize both positive and negative deviation from the ... |
Problem Statement: Using MPIMS sample model as example, it has three local models. In the 'Global Model Execution' Window, the check box of 'Generate All Local Models' sometime is checked, and sometimes it is not. The question is how MPIMS decide when it should be checked and when it should not. | Solution: A model will be regenerated for any of the following reasons:
1. A table was added, removed or suppressed on the tree
2. The mps file does not exist
3. If any of the xls files (other than CASE) is newer than the date on the mps file
Note that updating a CASE file does not cause the model to ge... |
Problem Statement: This problem typically occurs when the model directory is located on the root directory (i.e. c:\model) and no home Directory exists. The root directory cannot act as a home directory. | Solution: There must always be a home directory above any PIMS model and the home directory can never be the root directory. Move the model directory so that its location is at least two directories below the root directory (i.e. c:\AspenTech Models\model).
Keywords: TABLES.FIL
ERROR
PIMS
References: None |
Problem Statement: どのように期間毎に異なる静的な性状データを定義できるか？ | Solution: BLENPROPテーブルは特定期間の入力を支援している。ストリームタグに４文字目を期間指定として加えることにより、その性状の値は特定期間のものとなる。
下記の例ではPGOに対して3期間で３つの異なる値をどのように入力するかを示している。
Keywords: PPIMS
JP-
References: None |
Problem Statement: Why do I get an Invalid license version error when opening PIMS? | Solution: This error may be produce when the application is upgraded from one version to the other. The old license file has to be replaced with a new one to resolve this problem. Request for new license can be placed through our support website. Details on how to request a license online is provided in KB# 129579
A ne... |
Problem Statement: What are the benefits, if any, for bringing in raw property data versus only importing their respective indices in assay manager? | Solution: Index properties are not used as input to the crude characterization process. This data is supposed to be laboratory obtained data. Since labs measure only properties and not indices, when the user imports the data to assay manager, there will be no definition of indices at that point. This import data shoul... |
Problem Statement: What is the difference between Property Calculation Formula and Table INDEX? | Solution: Table INDEX is an older table which provides a means of entering points on a curve for a property relationship to its index. PIMS would interpolate between the points to find the values it needs.
Property Calculation Formula is a means of entering an equation which defines the relationship between a proper... |
Problem Statement: User would like to add up two capacities and limit their total. The existing two capacities are in different submodels. How can this be done? | Solution: To limit a combined capacity for two submodels:
1. Set up a third capacity in table CAPS (such as CXYZ) and add the maximum and/or minimum, as desired.
2. In both of the submodels, add the new capacity row (CCAPXYZ) with entries in every column that contributes to either of the original CCAP rows. This wa... |
Problem Statement: I did not define any Prows or enter any values for final boiling point in table PGUESS as recursion. Why does PIMS report the final boiling points in the crude submodel sections under Process Parameters?
Process Parameters
Value
Swing Cut End Points
--------------------
WN1 End Point
380.00
N... | Solution: PIMS looks for swing cuts in table CRDCUTS, and the final boiling points for those cuts from table ASSAYS. When it finds these, it automatically creates the necessary structure to report the endpoints.
* TABLE
CRDCUTS
Table of Contents
*
Standard Crude Cutting Schemes and Pooling
TEXT
TYPE
TYPECD1... |
Problem Statement: There have been a couple instances of clients opening PIMS and discovering that the Model Tree is missing. There are several reasons that this could happen including:
1. File Corruption - for some reason the file became corrupted and/or deleted and PIMS reset it to the default format
2. Table... | Solution: If this happens to you, there are several steps that you can take to minimize the damage and reduce the recovery time. These steps are:
1. Immediately close PIMS and DO NOT REOPEN the program. If you re-open the program, you will overwrite the backup file PIMSModel.BAK.
2. Open Windows Explorer and go... |
Problem Statement: How to vary a submodel's min/max capacity limits based on varying input feed flow rate? | Solution: The situation is if there is a need to model a submodel's min/max capacity that changes depending on feed flow rate to a unit, like modeling one minimum capacity above a particular feed threshold and a different minimum capacity below a different feed threshold.
Table EXPERT could be used for modelling such a... |
Problem Statement: What is the significance of ESGP rows and Table GASPLANT in PIMS model? | Solution: ESGP rows are automatically created in PIMS for type zero cuts using information available in Table CRDCUTS and CRDDISTIL. The volume sample model can be used to study the significance of ESGP rows for a model with and without GASPLANT.
Case 1: Without GASPLANT
Based on the type zero cuts specified in CRDCU... |
Problem Statement: How can I constrain the total sales of a product across multiple periods in a PPIMS model? | Solution: Structure can be created to limit the total quantity sold over 2 or more periods. Using the PPIMS Volume Sample model as a starting point, the following structure can be added to illustrate how this is done. In Table ROWS, add a Capacity row to sum the sales you are interested in limiting using coefficients o... |
Problem Statement: What is Aspen PIMS Automation and how do I use it? | Solution: Aspen PIMS can be controlled as an OLE automation server. This means that another Windows program such as Excel or a custom-client program can control the execution of PIMS with the use of PIMS automation methods.
To use PIMS automation methods, a basic knowledge of Visual Basic or COM programming is useful.... |
Problem Statement: I have defined property calculation formula (or use T. INDEX) to calculate index from property, for example, calculate Reid Vapor Pressure Index RVI from Reid Vapor Pressure RVP.
I have RVP data of the blending components and the RVP spec of blended product. If I define RVP spec in T.BLNSPEC, PIMS w... | Solution: This can be achieved by checking the setting Convert Property Specs to Index Specs under Model Setting | General | Miscellaneous
Note that when this setting is used, warning W610 “Replacing (property) SPEC with (index) SPEC in Table XXX” is generated and this is by designed, you can ignore or suppress the war... |
Problem Statement: Some streams are automatically generated by PIMS and do not get text descriptions. These streams may have no text or a generic text in the reports as shown below. This can happen for virtual pools, deferred cuts, and when PIMS automatically creates a clone of the stream such as for crude unit swing... | Solution: There is no specific place that PIMS provides to define TEXT for these streams. However, if the stream is used in another table, you can generally define the TEXT there. Some options include:
1. If a Deferred Cut goes to blending, the TEXT from BLNMIX will be used in the reports.
2. If Deferred ... |
Problem Statement: What does marginal value mean in E row? | Solution: E row is one type of control row which defines equality relationship in PIMS model. However, to increase the final objective function, we can relax the equality relationship by adding marginal value to the E row. In this way, theSolution is relaxed to a feasible region.
For example, the equation of E row is... |
Problem Statement: When user modifies MIN/MAX values from CASE table, the limits in the report or matrix do not match the changes modified in table CASE. Why? | Solution: PIMS has a model setting which works with table CASE together to decide how to change those limits. For example, from model tree, Model Setting | General | General tab, field 'Case Stack Bound Updates' has two options,
1. Replace only bounds provided
2. Replace MIN and MAX bounds if either provided
In other... |
Problem Statement: Is it possible to create a new base PIMS model from a case of another model? | Solution: PIMS does provide a way to create a new base model from a case. This creates a new set of input tables that are updated with case data from the original model. Here is how to do this:
There is a setting called, 'Save copy of assembled tables to spreadsheets using Excel' from the Miscellaneous tab of the Gener... |
Problem Statement: How do I get PIMS to rigorously calculate wt% sulfur in the crude? | Solution: The following changes to the model will set up the desired calculation and provide a means to limit the sulfur level as well.
In Table SUBMODS, add a new submodel:
TABLE SUBMODS * SCSC CRUDE SULFUR CONTROL
In Table ASSAYS add 2 new Erows to calculate the weight of each crude and the weight of the sulfur in e... |
Problem Statement: Which Aspen PIMS tables allow the introduction of Penalties or Infeasibility Breakers? | Solution: There are several ways to define penalties and infeasibility breakers for Aspen PIMS. The following is a summary of the tables that allow penalties.
Table BUY
Table BUY uses column IPRICE. Entries in this column define a price at which Aspen PIMS may sell the the referenced material in order to eliminate mode... |
Problem Statement: Why does PMCRealLabDef records not set ACK flag as expected? | Solution: Lab data will be automatically acknowledged by the LIMS interface if the LAB ACK MASTER SW field is set to ON. The Default state is OFF:
LAB ACK MASTER SW is the automatic LAB data receipt Acknowledgment Master Switch for the Universal LIMS Interface product.
OFF = The LIMS Interface does not automatically ... |
Problem Statement: When running PIMS-AO using parallel processing, I the error below. How do I fix this? | Solution: There are 5 files that need to be set in the Windows Firewall exceptions in order for parallel processing to function correctly. These are:
CaseParallel
Multistartparallel
PIMSWIN
Smpd
Mpiexec
Keywords:
References: None |
Problem Statement: In one model which solves in DR, albeit after long calculation and several infeasible recursion passes, I have moved the SELL entry for one tag from its present position to another place in the same table. The resultant run doesn't solve and is reported as infeasible. If my understanding of theory be... | Solution: Even though in a stable model the order of entries in the tables practically only affects the report structure (with notable exception of tables such as CRDCUTS where the ordering of rows has a meaning) we have witnessed over the years that very rarely it can in fact affect theSolution of an extremely unstabl... |
Problem Statement: In | Solution: 131060, it discussed there are three initialization methods for XNLP. For XLP (new matrix generator), there are two initialization methods. ThisSolution discusses those two methods along with partial execution logs from each of those two methods.
Solution
Model formulation in XLP improves the structure of a g... |
Problem Statement: When a model that is in a folder just below the Root Directory (e.g. C:\Model) is archived and is later on unarchived in another location, it will prompt to specify a New Model Directory Name, as shown below.
After you specify the New Directory, it will unarchive the model, but the unarchived model... | Solution: Actually, the model is unarchived correctly; you will find the model by selecting Model | Open..., and then selecting the folder that is below the one currently open. This one will have all the tables attached to the tree, as expected.
The resulting Folder structure from this Archiving / Unarchiving procedure... |
Problem Statement: How do you remove (or blank-out) an entry in T.CASE. For example, you might want to:
Remove a blendstock from table BLNMIX
Remove an entry in column DISABLE in either BUY or SELL
etc. | Solution: Use the keyword EMPTY to remove or blank-out entries in a table. The example below demonstrates the use of the EMPTY keyword to remove ALK as a component to gasoline blend URG:
Keywords: empty
clear
case
blank
delete
remove
References: None |
Problem Statement: How do I setup the ABML Driveability index in Aspen PIMS when my D86 temperatures are in degrees C? | Solution: The ABML correlation for driveability index uses temperatures in degrees F by default. A different procedure exists for those who wish to enter the D86 temperatures into the driveability index in degree C (?C). For example, this may apply to non-US refiners who wish to sell gasoline into the US market. In thi... |
Problem Statement: Some models will have a mix of PRICE and VPRICE entries so it is quite possible to inadvertently have an entry in both columns for a single product. If values are entered for the same product under both PRICE and VPRICE in table SELL, then BOTH values get entered into the objective function, the PRIC... | Solution: Always make sure that each product has either a PRICE or VPRICE entry, NOT both to avoid duplication of the $ in the objective function.
Keywords: pims
vprice
sell
References: None |
Problem Statement: How can I report variables in Table Rows using P-rows? | Solution: Here is a example of ROWS Table where the user would like to report the sum of variables PURCSRF and PURCSRX. As evident from Table ROWS below, the summation of PURCSRF and PURCSRX is represented by a seven letter variable code SDDDSRF
*Table
Rows
*
TEXT
PURCSRF
PURCSRX
SDDDSRF
ETR1SRF
-1
... |
Problem Statement: Why do I get an Invalid license version error when opening PIMS? | Solution: This error may be produce when the application is upgraded from one version to the other. The old license file has to be replaced with a new one to resolve this problem. Request for new license can be placed through our support website. Details on how to request a license online is provided in KB# 129579
A ne... |
Problem Statement: When I run the model with the XLP Matrix Generator option and the Build Crude Unit Swing Cut Quality Gradients option, I get the following error:
Error E687 Missing FVT Data for Gradient Quality Calculation in Table XXX Cut YYY
My assay tables have the FVT data defined, so I?m not sure what to do... | Solution: The model is generating Error 687 because it?s missing some FVT data. You have to provide the final vapor temperature (FVT) data for the swing cut itself, the cut below the swing cut and the two cuts above the swing cut.
Also, if the swing cut does not have valid cuts above or below it, it will generate this ... |
Problem Statement: Why is the AO report option greyed out? | Solution: This may due toa corruption in the registry key. To clean up this registry, go to START, then RUN, and type in regedit to open the registry editor. Now search for
HKEY_CURRENT_USER\Software\Aspentech\PIMSWin\UserSettings
and delete this registry.
If this does not help, try to reinstall the applications fo... |
Problem Statement: In PIMS-AO, I can add external models to the model tree. How are such external models handled in the matrix? | Solution: Below is a summary of how external models are handled.
1. Under MODEL SETTINGS | Non-linear Model (XNLP) | External Models there is an option called “Use Input/output mapping”. This is the switch that determines how the external model’s equations are incorporated into the matrix.
a. If this option is... |
Problem Statement: This knowledge base article describes why the Scenario Evaluation Tool (SET) may not generate cases. | Solution: Executing a .SET file by navigating Scenario | Run, returns an error as shown in the figure below:
In order to fix this error make sure that the Excel COM Add-Ins DO NOT have any SET links, if anything found it has to be removed.
Keywords: SET error
Unable to run SET
Scenario Evaluation Tool
References: N... |
Problem Statement: P-PIMS???f???E?????ACRDDISTL?e?[?u????EST???????s???K?v???E????????? ?e?I?I?E?????H
???u?IP-PIMS???f???ICRDDISTL?e?[?u???EEST???????s???e?`???e?A???E???????I?a`e?a?E?-ZA?s????I???f?????W?????f???E?I?X???e??CRDDISTL?e?[?u???EEST???????s???K?v??PIMS?I???b?Z?[?W???\Z|???e?e?B?E??P-PIMS???IEST???????s??... | Solution: PPIMS???f?????ICRDTANKS?aCRDALLOC?e?[?u????Zg?p???e?????????CRDDSTIL ?e?[?u???EEST???????s??PIMS?a????Z????I?E???????e?e?B?@???????A?A?A?????A?I?'?u??CRDTANKS???o?R???A???e?e??CRDDISTL?e?[?u???EEST???????s???K?v???E?-?E?e?B???????A?a???>?I?'?u?????UCrude Unit?E?s?-?e???IEST???????s???K?v?E?E?e?B
Keywords: JP-... |
Problem Statement: How can you attach user's documentation to an Aspen PIMS model, e.g. log of model changes, work procedures, model relevant data, etc.? | Solution: To attach user's documentation to an Aspen PIMS model you can use Table USER, under the Miscellaneous branch of the tree. Files attached here have no effect on the model structure.
1. Right click on the USER table in the Miscellaneous branch of the Aspen PIMS model tree and select Add.
2. Select the files... |
Problem Statement: This knowledge base article explains why a ScheduledActDef record may appear to hang with a single record stuck in the SUSPENDED_UNTIL_DONE field. | Solution: In the ScheduledActDef record's repeat area, if the WAITFOR_PROCESSING? field is set to Yes (as shown below) this will cause the records to activate one after the other. This way if there is a dependency between two scheduled records, you can be sure that one has finished executing before the other executes.
... |
Problem Statement: After installing InfoPlus.21 version 4.1.1, the IP21 group task list does not appear in the InfoPlus.21 Manager. When trying to use ADDGROUP.exe, the following error message appears:
security repository already exists for this database. | Solution: Check that the following three services are running, and verify that the password and log-in is correct for each:
1. World Wide Web Publishing Service.
2. Aspen Local AFW Trustee Server.
3. Aspen Registry Security Server.
4. Go to the USER diectory list and make sure that IPGUESTUSER has a... |
Problem Statement: Model Cleanup sometimes stopped by system error in Japanese Windows system.
The temporary files were not deleted properly. How to resolve it? | Solution: The same symptom observed in Korean and Chinese systems.
If the model includes non-English character (double-byte character) in file name or folder name, it may happen.
You need to rename or remove such characters from the file names.
Keywords: International Windows
References: None |
Problem Statement: This Knowledge Base Article discusses the following error which can potentially be seen after an upgrade of Aspen InfoPlus.21 to version 2006.5: | Solution: This behavior might occur when different versions of the NDIServer.dll file are present in the Program Files\Common Files\AspenTech Shared and ProgramFiles\AspenTech\InfoPlus.21\db21\code directories, which can be caused due to a failed/incomplete upgrade or Patch install.
As a rule of thumb, the newest versi... |
Problem Statement: This document details the Utility consumption in the Crude and Vacuum units for various scenarios. | Solution: The Utilities consumption per unit of crude is usually defined for each crude and vacuum unit in the CRDDISTL Table. The following are the various use cases with respect to defining the utilities in CRDDISTL table with the different possible Vacuum cut types.
A. Atmospheric Residue is Type 1 and there are ... |
Problem Statement: In order to run Case Comparison, Summary | Solution: files 'Solution000xxx.xls' need to be generated.
Solution
To generateSolution000xxx.xls files, from model tree, Reporting | XLS, option for 'Summary' box should be checked, see below.
User can also check the box from execution log screen, under Table 'SummerySolution'. If either option is selected, the othe... |
Problem Statement: How do we use table ADDITIVE in an Aspen PIMS model? | Solution: The tables related to the use of ADDITIVE table are, BLNSPEC, SELL and UTILBUY.
The following table ADDITIVE shows multiple additives used in blending. Row names, such as R00, are the combination of additive level and the quality. Column names 'TEL' and 'LET' are the three-character tag for each additive. P... |
Problem Statement: The property of a blend is displayed in the Blend Specification Report. The property of the blend reported also gets reported in the Stream Property Report if there is a corresponding entry in PGUESS. This prompts PIMS to recurse the property value and use it for other purposes such as the desired re... | Solution: Report, the property value reported in the Stream Property section is a bit different from that of the property value displayed in the Specification Blend section. This article explains the reason.
Solution
In the associated model, the URG is recursed. Let us consider the property ARO. The stream property rep... |
Problem Statement: What are the benefits, if any, for bringing in raw property data versus only importing their respective indices in assay manager? | Solution: Index properties are not used as input to the crude characterization process. This data is supposed to be laboratory obtained data. Since labs measure only properties and not indices, when the user imports the data to assay manager, there will be no definition of indices at that point. This import data shoul... |
Problem Statement: What is the difference between Property Calculation Formula and Table INDEX? | Solution: Table INDEX is an older table which provides a means of entering points on a curve for a property relationship to its index. PIMS would interpolate between the points to find the values it needs.
Property Calculation Formula is a means of entering an equation which defines the relationship between a proper... |
Problem Statement: User would like to add up two capacities and limit their total. The existing two capacities are in different submodels. How can this be done? | Solution: To limit a combined capacity for two submodels:
1. Set up a third capacity in table CAPS (such as CXYZ) and add the maximum and/or minimum, as desired.
2. In both of the submodels, add the new capacity row (CCAPXYZ) with entries in every column that contributes to either of the original CCAP rows. This wa... |
Problem Statement: I did not define any Prows or enter any values for final boiling point in table PGUESS as recursion. Why does PIMS report the final boiling points in the crude submodel sections under Process Parameters?
Process Parameters
Value
Swing Cut End Points
--------------------
WN1 End Point
380.00
N... | Solution: PIMS looks for swing cuts in table CRDCUTS, and the final boiling points for those cuts from table ASSAYS. When it finds these, it automatically creates the necessary structure to report the endpoints.
* TABLE
CRDCUTS
Table of Contents
*
Standard Crude Cutting Schemes and Pooling
TEXT
TYPE
TYPECD1... |
Problem Statement: In Weight-based model, all the material balances are tracked by WBALxxx row (where xxx is the 3-character stream tag). If the product's price given in table SELL is in Volume-base, hypothetically, PIMS needs the SPG value to convert the weight-base product stream into volume base. Then the unit $/BBL... | Solution: There are two scenarios here. When the product is a
1. blending product
When PIMS creating blending product property specification rows (Nprp, or Xprp), all those rows are in Volume-base. Therefore the blending product is calculated in Volume-base. That is why there no recursion for SPG is needed in this ... |
Problem Statement: The main convergence criteria in XNLP are the Residual Convergence Function and the Objective Convergence Function. When both values are below the tolerance, the solver should stop iterating.
However, in some cases this does not happen, i.e. the solver continues iterating and eventually converges in ... | Solution: There is an additional criteria for a model to be converged which is the active step bounds criteria.
This information can be retrieved from the XSLP_Control.log file, which is like an extended Execution log with additional information on each iteration. This file will be generated at every run and can be fou... |
Problem Statement: The regular Process Unit report obtained from the Full | Solution: report shows feeds, yields, capacities, utilities and PRows. However the properties of the streams involved in the unit are not reported, and there is no easy way to link this information other than looking up one stream at a time in the Stream Property Section or in the PRMAP.xls report.
How can you get such... |
Problem Statement: How can you use the CARB Phase 4 (Amended CARB 3) Predictive Model in Aspen PIMS for blending specifications of reformulated gasolines? | Solution: From PIMS 17.1.12 on, to invoke the CARB Phase 4 (Amended CARB 3) Predictive Model in Aspen PIMS, in table BLNSPEC you can use TPYEs 12 and 13 (under column TYPE), as indicated below:
TYPE 12: indicates that the blend is for CARBOB2 with amended CARB 3 model for RVP controlled months (summer).
TYPE 13: indica... |
Problem Statement: How do SCALE, MIN, MAX, ATOL and RTOL in Table SCALE affect recursion? Do I need to scale ATOL and RTOL accordingly after scaling a property? | Solution: 1. SCALE in Table SCALE is used by the optimizer to scale a quality in the matrix, while the other columns in Table SCALE are used to constrain recursion. You don't scale MIN, MAX, ATOL and RTOL when you scale a quality. In fact the current version of the optimizer automatically scales the rows so the SCA... |
Problem Statement: Assume user uses SLM Configuration Wizard to configure a server license, and everything is correctly connected. SLM License profiler shows the license on the server is a valid license. However, when the user tries to run PIMS applications, a window pops up, says cannot load license. | Solution: This could happen when SLM versions are mismatch between the server and the local machine. Make sure the SLM version in the local machine is the same as the SLM version installed on the server machine.
Keywords: SLM version
License
Server license
References: None |
Problem Statement: How many external tasks can be created within Aspen InfoPlus.21 Manager? | Solution: The InfoPlus.21 Manager will only display 256 tasks, however it is possible to create more than 256 tasks.
Due to the limitation of only 256 tasks it will only ever be possible to visualize the first 256 tasks, and only those first 256 tasks will run.
AspenTech therefore recommends you only create a maximum o... |
Problem Statement: How to remove database and record level security from an Aspen InfoPlus.21 application? | Solution: Often times customers need to remove the security implemented in their Aspen InfoPlus.21 application
Depending on the level of security implemented, Database or Record there are a few steps to follow to accomplish this.
First, did you implement record level security?
If you did:- Do you know which records you... |
Problem Statement: When trying to load a snapshot from an older, unsupported version into V7.1, the following error is displayed:
Each version of InfoPlus.21 is validated by our Quality Engineers to successfully upgrade snapshots from all previous supported versions. And even though not specifically tested, even ve... | Solution: In that case it is necessary to bridge the upgrade, first upgrading from the original version to an intermediate one, and then to the final version. In the example above, a Version 4.x snapshot was first upgraded to Version 2004.2, then successfully to V7.1.
If you have no intermediate version available, cont... |
Problem Statement: With an increasing number of AspenTech clients choosing to implement both our InfoPlus.21 and Aspen Advisor | Solution: s, the question of whether they can run bothSolutions on the same server arises with more frequency. The installation manuals and release notes for both products provide minimum hardware specifications for running each software, but do not explicitly mention whether the server must have only that AspenTech pr... |
Problem Statement: How can I change an external task for a record defined by CompQueryDef? | Solution: Records defined by CompQueryDef must be made unusable to allow alteration of the External_Task_Record.
1. In the Aspen InfoPlus.21 Administrator Right-Click on the record defined by CompQueryDef
2. From the context menu select Make Unusable
3. Enter the desired task in the Fixed Area field... |
Problem Statement: When getting ready to do an upgrade of Aspen InfoPlus.21 components, which components need to be upgraded at the same time? For example, when upgrading Aspen InfoPlus.21 and Aspen Web.21 servers to version 2006.5, can you continue using clients with version 2004.2 while you upgrade them to version 20... | Solution: You can upgrade Aspen server components, Aspen InfoPlus.21, Aspen Web.21 and Aspen Data Source Architecture on the server and continue using v2004.2 clients. Clients connecting to the upgraded Aspen Web21 server will be prompted to download new versions of the Web.21 components..
The key thing is to upgrade a... |
Problem Statement: The process to change the maximum point count in a InfoPlus.21 server running in a clustered environment is different process that when running out of a cluster. This knowledge base article describes how to change the maximum point count within a cluster. The maximum point count for an individual da... | Solution: 1. Open the Microsoft Cluster Manager.
2. Navigate to the Aspen InfoPlus.21 Resource.
3. Take the resource offline.
4. The Aspen InfoPlus.21 Task Service is not affected and should still be running.
5. Open the Aspen InfoPlus.21 Administrator, then right-click on the database node and se... |
Problem Statement: What is the range of values can be input into a standard IP_DiscreteDef record? | Solution: Aspen InfoPlus.21 stores the value as a 32 bit signed integer. As such, the range of values is goes from -2,147,483,648 to +2,147,483,647.
Keywords: Infoplus.21
Range
IP_DiscreteDef
References: None |
Problem Statement: The online 'help' files for the Aspen InfoPlus.21 Manager, regarding Replication, describes an option to allow a replicated record to use a different history repository to the one that is used for the original record.
For example, the record on the Publishing system may be using TSK_DHIS, whereas we ... | Solution: 1) Using Aspen SQLplus
Using the example above, where the Publisher's repository is TSK_DHIS and the Subscriber's repository is TSK_DHIS1, then the query would be:-
UPDATE DiskHistoryDef
SET IP_TARGET_REPOSITORY = 'TSK_DHIS1'
WHERE NAME like 'TSK_DHIS';
2) Using Engcon
First of all, how to get to Aspen Info... |
Problem Statement: How to set the execution time / frequency for a Query Definition Records, in Aspen InfoPus21? | Solution: This article describes the procedure to set the Schedule_Time and Reschedule_Interval for a Query Definition records in Aspen InfoPlus21.
For any record in query definition, the sequence to set execution time is -
a. Specify the reschedule interval first
b. After reschedule interval is set, specify the schedu... |
Problem Statement: After installing PIMS, when I try to open the application, I get the following error message:
Unable to load SLM licensing component.
Please verify that the STRGXI2.DLL file has been properly installed and registered. This is normally done by the install.
How can I solve this? | Solution: Un-register and re-register STRGXI2.dll with these steps:
1. Go to Start | Run
2. Type: regsvr32 -u C:\Program Files\Common Files\Hyprotech\Shared\STRGXI2.dll. Click OK.
3. Type: regsvr32 C:\Program Files\Common Files\Hyprotech\Shared\STRGXI2.dll. Click OK.
Make sure you get the message DllRegisterServer in C... |
Problem Statement: What is the equation PIMS uses for the ABML Vapor Lock Index correlation? | Solution: The equation for PIMS is:
VLI = 10 * RVP + 7 * E70
where:
RVP = vapor pressure in kPa
E70 = % off at 70 C
This generates VLI values around 1000. Some users prefer the VLI to be an order of magnitude smaller (around 100) than what is generated by the equation above (around 1000). If this is the case, the... |
Problem Statement: An InfoPlus.21 system can have one or more History Repositories. If you look in the Windows Task Manager after the database has been started up and click on the processes tab you should several processes whose image name begins with the characters H21. You should always see a single instance of h21ta... | Solution: In the . . . AspenTech\InfoPlus.21\c21\bin . . . directory there is a utility called c21_win_dump. If you run that utility from a DOS prompt you will see output that includes a listing similar to that below. The key column is the SYSPID. The number in this list matches the PID column seen in the Windows Task ... |
Problem Statement: When troubleshooting or documenting a model, it is desirable to check the Model Settings to see if any of them have been changed from the default values. | Solution: A new feature was added in PIMS 17.1.7 and higher that allows PIMS to provide a quick summary of the model settings which differ from the default values. This allows easy review of the information. To access this, right click on MODEL SETTINGS on the PIMS model tree and select Non-Default Settings as shown be... |
Problem Statement: Assume there are n component streams in the pool, how can I depool those n component streams? | Solution: To depool n component streams, which means there are n unknown variables, so there are n equations needed to solve the problem. There are two ways in PIMS to do it.
1. recurse n-1 component streams + 1 total material balance
* Table depooling structure 1
* Depool model for stream AAA
*
... |
Problem Statement: Within the list of defined tasks in the Aspen InfoPlus.21 Manager are several that use the same executable.
That executable is %SETCIMCODE%\infoplus21_api_server.exe
These tasks are commonly known as the API tasks and include:
TSK_APEX_SERVER
TSK_ADMIN_SERVER
TSK_EXCEL_SERVER
TSK_DEFAULT_SERVER
TSK_O... | Solution: In just about every case, the cause has been that an Aspen InfoPlus.21 server patch has been installed against the wrong version of Aspen InfoPlus.21
The most common combination is that the 2004.1 InfoPlus.21 Server patch has been applied to v2004.0 of InfoPlus.21.
If you are in this situation then you will n... |
Problem Statement: The % Full column in the InfoPlus.21 Administrator is 0.00 for all file sets in all repositories. All other history functions are working (queue state is normal, data is going to history, etc.) | Solution: The problem occurs when not all tasks are started in the InfoPlus.21 Manager, or when they are started out of order. While the exact steps that led up to this problem are unknown, once all appropriate tasks were confirmed to NOT have the Skip during startup box checked, and the tasks were listed in the correc... |
Problem Statement: Which port is used to connect to the Aspen InfoPlus.21 UA Server? | Solution: The TCP listening port used for the Aspen InfoPlus.21 UA Server is 63500. The OPC UA Client application may discover the Aspen InfoPlus.21 UA Server without the need to specify the port. However if the connection fails verify that ports 63500 and 63501 are open across any firewall.
Keywords: None
References: ... |
Problem Statement: Some customers, due to strict security considerations, may want to use InfoPlus.21 command line utilities over a secure connection, such as SSH. Can this be done? | Solution: Yes. You can run command line utilities such as engcon, h21admin, etc via a SSH connection.
Testing software used to confirm this: putty as the SSH client, WINSSHD v3.05 SSH Server Evaluation Edition.
Keywords: ssh
SSH
command line
References: None |
Problem Statement: Access to InfoPlus.21 can be controlled by giving access rights to specific roles that have been defined in the AFW Security Manager. The members of these roles will inherit the access rights granted the role. Rather than making individual users a member of the role, it is possible to make an Activ... | Solution: InfoPlus.21 gets the information from a cache that needs to be updated. The default time for automatic updates is 720 minutes (12 hours). You can change this value by going to AFW Tools and updating the entry for RoleCacheAge to a new value in minutes. As this updates the registry you will need to run with... |
Problem Statement: Sometimes IP.21 does not start up properly when using the autostart (Startup@boot) feature. In the Event Viewer''s Application log, there may be the following error message: Event ID 4377 - Error during auto start of InfoPlus.21. Shared memory is not created in the allowed time limit.
When NT is firs... | Solution: Add W3SVC dependency to the AtLocalAfwTrusteeServer service.
To do this for Win NT machines:
Run Regedit
Go to HKEY_LOCAL_MACHINE -> SYSTEM -> CurrentControlSet -> Services -> AtLocalAfwTrusteeServer
Double-click on DependOnService to amend the settings
You should see something similar to 52 50 43 53 53 00 in... |
Problem Statement: Aspen InfoPlus.21 version 2006 introduces a Health Manager that uses a runtime license. This new license is not automatically sent to customers when requesting an upgrade to version 2006. The symptom is that if you don't have the license, the new external health monitor task will not run. | Solution: When requesting an upgrade to v2006 on the support web site, request a new license with the shipment. If you already have the v2006 media you must request a new license using the support website's upgrade/licenses request page:
http://support.aspentech.com/webteamasp/My/FrameDef.asp?/webteamasp/LicenseKeys.as... |
Problem Statement: What is the maximum number of repositories allowed per Aspen InfoPlus.21 database? | Solution: The maximum number of repositories is generally considered to be 32, but other factors should be taken into consideration as well. The aforementioned number of repositories is not documented in manuals or help files, but rather it is derived from testing and practical considerations as a single database conta... |
Problem Statement: In Aspen InfoPlus.21 Manager, when using the menu Restore Group Configuration getting an error: Error reading group, media is write protected. | Solution: The error indicates that the registry is not getting updated when running the Restore Group Configuration because the account trying to run the Restore Group Configuration command does not able permission to update the registry.
Login to the system as the account listed under the Aspen InfoPlus.21 Task servic... |
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