question stringlengths 19 6.88k | answer stringlengths 38 33.3k |
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Problem Statement: If I had installed a new patch for V12.1 PIMS and had to remove and then reinstall the software, I see an error when trying to reinstall the patch as seen in the Patch Log:
2023-06-01 09:44:41.503 +03:00 [Information] TRACE: Startup..
2023-06-01 09:44:41.506 +03:00 [Information] TRACE: Starting EP xm... | Solution: In this case, when you uninstall PIMS software, the backup trace files that are downloaded onto the machine are not removed during the uninstall PIMS software process. You will need to manually remove these files and rerun the patch installer. To remove these files, follow this path: C:\Program Files (x86)\As... |
Problem Statement: After installing Aspen Unified PIMS, the error message shown in screenshot below is encountered when browsing to it even though all necessary IIS components had been installed.
The line highlighted in red under Config Source may show <anonymousAuthentication enabled=false /> depending on which attri... | Solution: This is due to either or both anonymousAuthentication and windowsAuthentication attributes are locked at web server level. Below are the steps to check and unlock the attributes.
Launch Internet Information Services (IIS) Manager.
Highlight web server name under Connections on the left-hand pane. In above scr... |
Problem Statement: How to configure a boiler unit model in Aspen HYSYS? | Solution: Attached is an example case for a boiler. In this case a Gibbs reactor has been used for the combustion chamber and a heater for the feed water side.
The Gibbs reactor can simulate the combustion reaction between air and fuel quite easily. It does not require to add reactions to the simulation case. It just ... |
Problem Statement: Heat Capacity results for REFPROP change depending on whether NIST or PURExx is selected as the first databank. REFPROP does not have any adjustable parameters, why do the results change? | Solution: Because the basis of ideal gas is different between Aspen Plus and REFPROP, the Aspen Plus ideal gas properties (HIG, SIG, CPIG) are used to adjust the enthalpy and entropy to match the Aspen Plus ideal gas basis. Therefore, the results of H, S, and CP calculated by REFPROP in Aspen depend on Aspen Plus ideal... |
Problem Statement: This is a quick guide to add PID Loops in the AspenWatch DataBase and start a scanning on PCWS. | Solution: This procedure enlists the steps to Add PID Loops to AspenWatch. In this example we will AspenWatch Maker as the main interface to work.
1.- The first step is to create a Limited Tab text file that contains the Information of the tags that will required. A good example of this template can be found on C:\Pro... |
Problem Statement: How to build a tag template in DMC3 Builder? | Solution: Download the attached pdf document which contains a tutorial on how to build a tag template in DMC3 Builder.
Keywords: DMC3
Constrained Identification
Mass balance
References: None |
Problem Statement: How to perform constrained model identification for mass balance type constraints in DMC3 Builder? | Solution: Download the attached pdf document which contains a tutorial on how to perform constrained model identification for mass balance type constraints.
Also attached is a dataset .clc file which was used for the example provided in the tutorial.
Keywords: DMC3
Constrained Identification
Mass balance
References: No... |
Problem Statement: This Knowledge Base article provides possible steps to resolve the issue of not able to start data collection of ACO controller from Watch Maker | Solution: A problem can arise where the START button is not starting in Maker to get the ACO controller to collect. Even if the Update” action is conducted, “Play icon” is not indicated next to the controller.
So, there is a work around to run it manually and make it start by setting the current timestamp in InfoPlus.... |
Problem Statement: This Knowledge Base article provides steps to resolve the issue of having fixed reference time when creating PID group configuration in PCWS, also the correct procedure of setting the TTSS | Solution: What is PID Group Configuration?
PID groups enable automated data collection and PID performance analyses to occur in a scheduled, coordinated manner, so that available system resources are used optimally
How to create a new PID group:
In the top section of the PID Group Configuration page, enter a unique PI... |
Problem Statement: This Knowledge Base article illustrate the Anti-windup status indicator and its meaning. | Solution: AWS stands for Anti-Windup Status in reference to a valve position. This is configured in the CCF with the entry AWSCOD.
Anti-Windup Indicator (AWSCOD) - Manipulated variable anti-windup code:
0 (NONE) Can move output in either direction
1 (LOW) Can only move output in a positive direction
2 (HIGH) Can only ... |
Problem Statement: After compiling the Recipe Procedure Logic (RPL), sometimes we will see the error Components not found or not compiled: MIXING_SAMPLING: GML_YIELD_AND_RECONCILIATION.SAMPLING. What is the meaning of it and how to fix it? | Solution: On compiling the RPL on PFC Editor, sometimes we will see the error Components not found or not compiled: MIXING_SAMPLING: GML_YIELD_AND_RECONCILIATION.SAMPLING.
This error means that some components that are being used in this RPL don't have the required Basic Phase Libraries (BPLs). In this case, the misse... |
Problem Statement: On Aspen Production Execution Manager (APEM), how to import an existing Recipe Procedure Logic (RPL) export file to a new RPL? | Solution: On the RPL Management page, after you have created a new RPL and added the required Basic Phase Libraries, click Load Designer to open the PFC Editor.
The PFC Editor will be opened. Then click File and then Import.
Select an existing RPL export file, and click Open design ...
The existing Recipe Procedure... |
Problem Statement: On Aspen Production Execution Manager (APEM), how to add Basic Phase Libraries (BPLs) to a Recipe Procedure Logic (RPL)? | Solution: After we created a Recipe Procedure Logic on the RPL management page, we need to click the Basic Phase Libraries tab.
Click the + button on the top.
Then pick the required Basic Phase Library, and click OK.
The selected Basic Phase Library will be displayed on the screen. Then click Rebuild List to add ... |
Problem Statement: This article described an issue related to the numerical precision of the IO Datatypes in DMC3 Builder. Also, it shows a workaround to deal with this type of problem. | Solution: The Datatypes convention uses for DMC3 are the same as the ones use in the InfoPlus 21 Administrator. Some details about the data conventions for IP21 can be found on the following KB article:
https://esupport.aspentech.com/S_Article?id=000062381
This basically note the problem that when single values are c... |
Problem Statement: Starting in V12.1, the Production Control Web Server (PCWS) hides the operator limit when the rank is not important (rank 9999). This value is still available on the engineer view. | Solution: Limits with Rank 9999 are not used by the controller, if the user still wants to show these values on the web page then there are 2 files that need to be edited under C:\ProgramData\AspenTech\APC\Web Server\ACOView\view folder. Open Notepad as administrator and edit the following files:
RTEoperations.xsl on l... |
Problem Statement: When the Aspen Mtell server restarts, the MAM services expect to have RabbitMQ up and running beforehand which may not necessarily happen in order. To fix this, we can create a scheduled task to restart the MAM services manually. | Solution: To verify that the MAM services are stopped we need to open the task manager and look for the APMDataCollector and APMDataTransformer services. We can confirm this is the issue if any of these two services are stopped.
Optionally when you open the dataprovider path https://{server_path}/dataprovider you can ... |
Problem Statement: When attempting to start multiple configurations in Process Pulse, the process fails and outputs the following errors.
The Process Pulse logs can be obtained by following this KB article: https://esupport.aspentech.com/S_Article?id=000099565.
This article describes the | Solution: if you observe the errors located in the following logs:
Example Enterprise Process Pulse Data.####.log:
Error,2022-12-12 09:51:33.7696,78,CAMO.EPP.Interfaces.Connection.ConnectionObject`1.Connect, System.ServiceModel.EndpointNotFoundException: There was no endpoint listening at net.pipe://localhost/Unscrambl... |
Problem Statement: When any agent, even one agent, has cumulative alarm duration or CAD enabled, this can cause a huge spike in initialization time (observed through runtime statistics), which can cause missed processing cycles if the time intervals are small enough.
For one customer, their agents were on a 2 minute cy... | Solution: described below, the query time shrank to less than 1 second.
This issue has been observed by early adopters of Mtell. The early versions of Mtell have different database settings compared to modern versions, and in particular, the CBM.ProfileExecutionHistory table can have particularly significant discrepan... |
Problem Statement: Not able to see the Sentinel RMS License Manager folder in the path “C:\Program Files (x86)\Common Files\SafeNet Sentinel” after the SLM installation is completed? | Solution: In some of the SLM installation even though the installation gets completed successfully the user might not be able to see the Sentinel RMS License Manager folder after completing the installation.
If the SafeNet Sentinel folder is not available, proceed to install manually by following the below steps,
Go ... |
Problem Statement: What are the best practices to efficiently query a large amount of data from Aspen InfoPlus.21 (IP.21)? How often can we duplicate the TSKs (sqlplus_server.exe) to improve the performance - are there restrictions or possible locks on the database? Does it make sense to split the TSKs on different vir... | Solution: The reason we recommend running IP.21 processes on the same CPU is that the Windows locking mechanism works most efficiently when processes performing locks are on the same CPU. When you access information from the IP.21 database (whether reading or writing), you lock the database for the duration of the tra... |
Problem Statement: How do I configure my system so I can view PI data in Aspen Process Explorer?
What are the steps to install and configure ADSA components for getting process data from PI? | Solution: An ADSA Service Component called Aspen Process Data for OSI PI is available to view PI data in Process Explorer plots. ThisSolution explains how to install it.
Before installing Aspen Process Data (PI) , you must have the PI-API installed. Most PI client applications install this for you.
The PI-API DLLs mus... |
Problem Statement: How to resolve the DB Write Error (Gen) for the controllers in the Aspen Watch? | Solution: In the Aspen Watch due sometimes the user may get the DB Writer Error (Gen) for the controllers and because of the error the controller data collection could not be started.
To resolve this error,
Open the Aspen Watch and select the control.
Click the Actions->Update option to update the controller.
After... |
Problem Statement: The version 2006.5 Aspen InfoPlus.21 Release notes have a section that reads:
Consolidation of Multiple Tasks into TSK_DBCLOCK
The following tasks have been subsumed into TSK_DBCLOCK:
TSK_C21_WIN_INIT
TSK_H21_INIT
TSK_H21_ARCCK
TSK_H21_MNTTAB
LOADDB
Furthermore, TSK_H21_PRIME now starts after TSK_DBC... | Solution: provides more detail as to the specific steps, and the order in which, TSK_DBCLOCK now operates.Solution
TSK_DBCLOCK performs the following steps at startup:
Read the input command line parameters.
TSK_DBCLOCK accepts the following command line arguments:
DOUBLE: this causes dbclock.exe to allocate twice ... |
Problem Statement: Users have reported issues when using Aspen Engineering Suite tools and saving files to shared drives, specifically Microsoft OneDrive. We have had defects reported against this for Aspen Simulation Workbook (pointing to files on OneDrive) and with Aspen Plus crashing non-reproducibly. | Solution: One of the issues with synchronization is that Aspen Plus generates many temporary files and issues can occur when these files are locked.
We recommend not saving to automatically synchronized drives. An option is to set a task for OneDrive to synchronize these folders once a day during an off time.
Keywords:... |
Problem Statement: This article described what are the main requirements for a GDOT Service Account | Solution: According to the GDOT User Guide there a couple major requirements that the Service Account should meet:
1.- All Aspen GDOT application processes must run in the context of a specific user; we refer to that account as a “Service Account”. If multiple services accounts are used, you may also want to create a ... |
Problem Statement: This article described in a couple of steps how to use the Scheduling function from the Test Agent for the Auto generation of Identification Cases. | Solution: The Test Agent feature is a utility that can be used for many purposes during the Step Testing. However, on thisSolution we will just frame the Case Identification feature.
Test Agent has two requirements to work:
AspenWatch should be collecting the Controller Data
The Controller should be on Calibrate or ... |
Problem Statement: This Tutorial Show Step by Step the creation of a Controller Custom AspenWatch Report | Solution: Aspen Watch Maker is a powerful tool that allows to Collect Controller information and use that information for multiple purposes. One of the interesting functions that can be use is to create Custom Controller Reports. This Reports have the capability to show different aspects of the Controller Performance a... |
Problem Statement: How to create an Objective function in Aspen HYSYS Equation Oriented? | Solution: Before running a simulation in Aspen HYSYS EO in Optimization or Data Reconciliation run modes, users need to create an objective function. This article goes over the steps to create an objective function.
In the main EO subflowsheet, go to EO Configuration group, click on Objectives.
Click Add.
Provide the N... |
Problem Statement: Query examples to find a list of tags with similar names. | Solution: Example 1
On this first example, we will use the following set of tags as an example (Example 1, Example 2, Example 3). Notice these tags are defined under IP_AnalogDef.
Open Aspen SQLplus
Write the following script (as shown below):
select name from IP_AnalogDef where name like 'Ex%';
Click the execute butt... |
Problem Statement: How do I find and use the ProMV Service Utility? | Solution: The ProMV Service Utility will validate the ProMV Online service and configure connection strings to the SQL database for both ProMV Online Continuous and Batch. The ProMV Service Utility is used to validate and fix any configuration issues in IIS, SQL, and RabbitMQ. The ProMV Service Utility is automatically... |
Problem Statement: This Knowledge Base article consolidate the different troubleshooting KB article to resolve Add-In Excel error #NAME | Solution: The well-known reason behind the #NAME? error appears in the formula is because there is a typo in the formula name.
The #NAME? error signifies that something needs to be corrected in the syntax, so when you see the error in your formula, see the following KB articles which will help to resolve this issue.
... |
Problem Statement: What is a difference between DSTWU & ConSep Block? | Solution: This article shall help users to understand the simple differences in using DSTWU & ConSep block.
Also, the purpose of this article is to make users aware on DSTWU & ConSep block applications availability.
DSTWU Distillation Column
DSTWU performs shortcut design calculations for single-feed, two-product dis... |
Problem Statement: What is a Power stream and how to define the Power stream in Aspen Hysys? | Solution: Power streams are energy streams that account for electrical power. Power streams can be used to model systems involving units such as electrolysis cells, since these streams account for parasitic energy demand in which some of the generated power is used to drive motors to compress hydrogen, oxygen, and/or a... |
Problem Statement: Why are certain reactor models such as RCSTR and RPlug unavailable on the model palette sometimes? | Solution: Aspen Plus allows you to switch between two Process Type environments, Batch & Continuous, within same platform. This tool is built in such a way that you can have continuous, batch, or a combination of continuous & batch as well.
When creating a new simulation, if you specifies a Batch Template, then only r... |
Problem Statement: Why CAS No. is not available in search option for PubChem components search in Aspen Plus V14? | Solution: Aspen Plus V14 has added the function of searching for components in PubChem, but there is no option to use CAS No. to search for components, and the search results have no CAS number.
The reason CAS No. is not displayed, is because PubChem is a repository and not a fact checker. Instead of listing single val... |
Problem Statement: Where do I get the values for the Heat fluxes in EDR & its information?. | Solution: In Aspen EDR, heat flux is calculated as result: Thermal & Hydraulic Summary à Heat Transfer àMTD&Flux
Below is the information available on the Heat flux –
The overall heat flux across the exchanger is the total duty divided by total area (based on tube OD).
For checking cases, the required area is used.
... |
Problem Statement: Best Practices - Recycle loop convergence applications in Aspen Plus | Solution: Purpose of this article is to make user aware on the various options available on the recycle loop convergence.
Aspen Plus users may face convergence issues when user tries to run the simulation with recycle looping & if its multiple recycle streams them too tight to converge the model.
This article is just... |
Problem Statement: How do I print large flowsheet & sections of the flowsheet in Aspen Plus? | Solution: Aspen Plus allow printing of the flowsheet in multiple ways as below.
A. Printing Large Flowsheets
For large flowsheets, it is often necessary to print the flowsheet on multiple pages. You may also want to only print one flowsheet section at a time.
To print on multiple pages:
From the File menu, click Page... |
Problem Statement: How to troubleshoot the error “Current license state of ip21 server does not allow this operation” while configuring new tags in Aspen InfoPlus.21
This error indicates that your IP21 is currently in a License Denied state.
You can confirm on this by performing as follow.
1) Launch IP.21 Administrat... | Solution: 1. Please ensure that your server on which IP.21 is installed is able to connect to a SLM server with a valid license.
2. If point 1 is checked, then it may also be possible that you had set the maximum point count to be too large, that is, more than the available tokens you have.
In this case, please perfo... |
Problem Statement: How to Ignore Inlet Pipe Warnings for Ignored Sources in Aspen flare system Analyzer? | Solution: You can Ignore Inlet Pipe Warnings for Ignored Sources in Aspen flare system Analyzer from Calculation Settings.
Open Calculation Settings from the home ribbon and click the warning tab and select Ignore Inlet Pipe Warnings for Ignored Sources option.
Keywords: Warnings, Ignored Sources
References: None |
Problem Statement: How to automatically route electrical Cable trays and Conduits in Aspen OptiPlant 3D layout? | Solution: Cable trays and conduits can be automatically routed in Aspen OptiPlant. The program has developed an option to route the electrical supplies in the plot plan and has an MTO giving the information regarding the same. Electrical routing uses the same fundamental for routing as you have used in case of Pipe Rou... |
Problem Statement: How to design modules for the highlighted items in Aspen OptiPlant? | Solution: Modular fabrication and construction offer several advantages over conventional stick built construction. Modular construction also minimizes lay-down space, an important benefit when the field site is small or congested and reduces delays due to adverse weather. The modular construction technique is applicab... |
Problem Statement: How to use API 660 Table 2 values for external nozzle load calculations in Aspen Shell & Tube Mechanical V14? | Solution: From V14 version you can use API 660 Table 2 values for external nozzle load calculations.
When Yes is selected, from the Input | Program Options | Loads-Ext/Wind/Seismic | Ext. Loads. The program will use the nozzle loads and moments from API 660 Table 2 to perform external nozzle load calculations such a... |
Problem Statement: Relational Database Error -2147467259: [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified.
Due to Microsoft policies, the information in Advior.udl file is not always saved in the same location. So sometimes you have to copy it from virtual store directory. | Solution: The following additional steps needs to be performed for 64 Excel Add in Configuration
1. Open ODBC Data Sources (64-bit) to add a new data source as below.
2. Configure Advisor.udl under:
C:\ProgramData\AspenTech\Advisor Under the Provider tab,
Select Microsoft OLE DB Provider for ODBC Drivers.
Under... |
Problem Statement: How to connect process stream to convection bank after leaving firebox in Aspen Fired Heater V14. | Solution: From V14 version you can select the process stream entering convection bank after leaving firebox from the Input | Heat Geometry | Convection Banks | Layout tab and view the connection diagram in the Connection Diagram tab.
Keywords: Convection bank, firebox.
References: None |
Problem Statement: Aspen EDR V14 integration with 32-bit Aspen Plus and Aspen Properties. | Solution: Aspen EDR V14 is 64-bit and must be used with 64-bit Aspen Plus and Aspen Properties. EDR V14 can use Aspen Properties V11, V12 or V12.1, or V14 depending on which version is registered. EDR V14 will automatically use the registered 64-bit of Aspen Properties if an earlier 32-bit version of Aspen Properties i... |
Problem Statement: How to specify individual Minimum bolt area ratio AB/AM for each flange in Aspen Shell & Tube Mechanical V14? | Solution: A new input has been added to the Input | Exchanger Geometry | Body Flanges | Dimensions tab to allow you to specify individual minimum bolt area ratios for each flange. This is the ratio of the actual bolt area (AB) to the required bolt area (AM). The minimum value is 1. Specifying a larger value than this w... |
Problem Statement: How to specify Sources by Pressure and Vapor Fraction for Valves in Aspen Flare System Analyzer V14? | Solution: In previous versions of Aspen Flare System Analyzer, source conditions for Valves could only be specified based on pressure and temperature. This caused problems for two-phase sources that were narrow-boiling or single-component because the temperature specification could not adequately describe the fluid sta... |
Problem Statement: How to use Aspen Properties in Aspen Flare System Analyzer V14? | Solution: Aspen Properties is an available Property Source for calculations. To change the Properties Source in an existing file, open Calculation Settings from the home ribbon and click the Methods tab. In the drop-down menu, select Aspen Properties. The Calculation Settings Editor dialog box changes to reflect the ch... |
Problem Statement: How to select Churchill-Bernstein method as the External Convection Model for forced convection heat transfer calculations. | Solution: In previous versions, ESDU was always used as the External Convection Model for forced convection heat transfer calculations. In V14, Aspen Flare System Analyzer also offers the Churchill-Bernstein heat transfer correlation as an option. This correlation is available from the External Convection Model drop-do... |
Problem Statement: You may get errors as “Failed to scan metadata for some tags on “Servername”. Failed to scan tags in tag list if AspenOne Process Explorer is unable to scan IP21 database.
This article provides troubleshooting steps if AspenOne Process Explorer A1PE fails to scan IP21 Database tags. | Solution: 1. Please make sure that IP21 server is up and running.
2. Open ADSA tool as administrator.
Check and Verify ADSA I configured correctly.
3. If the ADSA is configured correctly, then go to the sample pages.
On the Web server, run internet explorer as administrator,
Open http://localhost/proce... |
Problem Statement: Why Aspen HYSYS Economic Analysis module displaying Material cost as 0 , in the Operating cost analysis module? | Solution: The Aspen HYSYS V14 has been launched with stunning new features in the economics module.
The Economics tab of the ribbon provides an interface to automatically send data from the unit operation models in your simulation to Aspen Process Economic Analyzer (formerly Aspen Icarus Process Evaluator). There are a... |
Problem Statement: It is a common issue that after deleting cache/temporary files or applying certain patches that the loaded applications from the Online section on DMC3 Builder disappear, how can you add them back? | Solution: It is a known issue that after deleting cache/temporary files or applying certain patches that the loaded applications from the Online section on DMC3 Builder disappear:
This doesn’t necessarily mean that the applications that were loaded to the APC Online server got deleted, on most cases what occurred is t... |
Problem Statement: This Knowledge Base article provides Explanation on how to create a Skeleton Model or Empty Model in DMC3 | Solution: A skeleton model has no response curve definitions but allocates space for data that corresponds to a particular set of tag names, or variable names that you can provide any time, later, during application development. After you complete the create skeleton model operation, the resulting skeleton model is add... |
Problem Statement: This Knowledge Base article provides steps to resolve error message pops up on DMC3 builder (one or more Validity limits have not been initialized. Setting uninitialized validity limits to engineering limits.) | Solution: Several customers reported the following error in DMC3 Builder with a pop-up message as follows:
To resolve this issue:
Navigate to Deployment
On the top Ribbon go to Online Setting
Look for any red highlighted validity limit.
changing this value to proper value will resolve the issue and stops the error me... |
Problem Statement: This Knowledge Base article provides steps to resolve the issue of not able to simulate the FIR intermittent variable in the DMC3 Builder Simulation | Solution: Simulating the FIR intermittent variable enables you to treat intermittent variables during simulation the same as they would be treated in an online system
An intermittent variable periodically requires manual entry of a measured, or process, value within a specified number of cycles. The NewPVInput paramete... |
Problem Statement: In the DMCplus CCF, there are some array entries that are configured as individual entries including:
General (under DMCplus Build > Configure section): Future Move Times (FMOVT), Compressed Prediction Times (PDEPT)
Independents: Future Moves (FMOV)
Dependents: Compressed Predictions (PDEPC) and Pr... | Solution: In DMC3 Builder, these built-in entries are configured as a Double Array data type. Even if the user tried to map them to an IO tag in the Deployment section, using the Customize button to add an IO tag for these entries, it only adds one IO tag available to be mapped:
One tag added for FutureMoveTimes, inst... |
Problem Statement: When trying to deploy a controller from DMC3 Builder, it fails to deploy and shows an error message:
There are errors with the configuration of online settings. | Solution: This error can appear when there are conflicting engineering or validity limits in the Online settings.
Select the Deployment tab and click on Online Settings on the top left here:
If an engineering limit is in conflict with an operating limit or if a validity limit is in conflict with an engineering limit... |
Problem Statement: When trying to analyze Aspen Watch data for some tasks it is easier to do it using a different tool such as Microsoft Excel, how can we extract data from the archives so we can view it using this tool? | Solution: There is a proposedSolution of using the legacy “Process Data” Excel add-in but since this no longer supported, the best option is to use SQLplus to extract data just like how you would do it with any other InfoPlus.21 information.
Here you can find an example code of the query that we will be using:
SET COL... |
Problem Statement: What is the importance of Mat_Cost.ans file for the routing configuration in Aspen OptiPlant Model project folder? | Solution: Aspen OptiPlant 3D Layout (OptiPlant) is a tool for piping designers and engineers to rapidly build conceptual 3D model. OptiPlant enables you to model 3D equipment & structures and automatically route 3D interference free pipe. OptiPlant is used in the proposal, front-end loading and FEED stage of optimizing... |
Problem Statement: Why does the license consumption recorded as SYSTEM in the user name, instead of the actual user name in the aspenONE SLM License manager? | Solution: The aspenONE SLM License Manager opens automatically connected to the current configured license server. The Locking Information and Configuration Information sections display SLM and system information, including the configuration settings set using the SLM Configuration Wizard. This information helps you un... |
Problem Statement: How can we change the Units of Measurement in the middle of building a project model in Aspen OptiPlant 3D? | Solution: Once you have provided a name to the plot-plan file, next step is to set the properties of that plot-plan by assigning the working-units and the co-ordinates of the layout. This working-units set by the user in the beginning of the project will be used through out the modeling.
We cannot directly change the U... |
Problem Statement: Users may see following popup while doing simulation on APS. How do they do to prevent this error? | Solution: This error (unable to open the debug file) gets generated when TIMR keyword is set to Y and APS was not able to write the Orion.csv file. Following is what is in the APS help:
If TIMR is set to Y, performance profiling for units will be generated and saved to (WorkingFolder)\(Model ID)\Orion.csv. So change t... |
Problem Statement: What are the types of compressors I can find at ACCE V12? | Solution: Within Aspen Capital Cost Estimator, there is a classification of three different types of compressors, which are:
Air Compressors (AC)
Item type Description
CENTRIF M Centrifugal air compressor with moto
CENTRIF T Centrifugal air compressor with turbin
RECIP GAS Reciprocating air compressor with gas engi... |
Problem Statement: What are the available licensing options for Aspen InfoPlus.21 starting from aspenONE V8.5 (Up to V12.2)? | Solution: The following licensing options were introduced starting from V8.5 and are applicable up to V12.2:
License Type
License Key
Usage
Standard
SLM_InfoPlus21_Points
For production environments, 32 bit
Development
SLM_RN_PME_IP21DEV_TK
For development environments, available on 32 bit installations only
... |
Problem Statement: Starting in V14, the Aspen APC Web page (URL <WebServerName>/aspenapc) gives users the ability to enable and disable calculations for a deployed controller running online with toggle buttons labeled Input Calc Processing and Output Calc Processing. This is intended to be an Engineer-tunable parameter... | Solution: to make these toggle switches to be Read-Only for Operators and Read-Write for Engineers.
Solution
Steps to make these Calc Processing toggle switches to be only changeable by users with Engineer permissions:
1. On the APC Web Server, navigate to this folder: C:\ProgramData\AspenTech\APC\Web Server\Produc... |
Problem Statement: Cim-IO OPC UA interface processes (read/write/unsol) rejects the untrusted certificate of the target OPC UA Server | Solution: This can be identified by finding following error messages in the log file of Cim-IO processes (read/write/unsol):
cimio_ua_clientsession .Session failure, can't connect to Opc UA server
Exception:Opc.Ua.ServiceResultException: Certificate is not trusted.
Please follow the steps enlisted below to trust OPC U... |
Problem Statement: In the ACO platform, the user could copy over the CCF and MDL files to the Online Server and deploy from there, without opening the DMCplus Desktop tools to do so. In the RTE platform, the user has to connect the DMC3 Builder desktop tool to the Online server and deploy from there. Is it possible to ... | Solution: The common use case for this question is trying to avoid the consumption of 4 tokens that DMC3 Builder takes when opened. Some users want to save those tokens to be used by the running application once it is deployed and started online.
Here are the workarounds that can be used to address this request:
Wor... |
Problem Statement: It’s critical to make sure that refinery planning models are accurate and in sync with changes in operating conditions or catalysts. However, updating planning models requires extensive effort and time due to complex and segmented workflows and lack of collaboration between planners and process engin... | Solution: You will learn to:
Get Plant Data:
Obtain plant data via Excel Add-In for calibration
Calibrate model to match plant data:
Tune the rigorous reactor model using plant data to obtain new sets of calibration factors
Validate model predictions:
Get the HYSYS model to match your plant data closely by validating... |
Problem Statement: This Knowledge Base article provides steps to resolve an issue where http://localhost:8080/AspenCoreSearch does not load with an Error 404 on the webpage, indicating possible missing components. Also, the Direct to Plot option does not work when sending tags from graphics to trends. The trend will fl... | Solution: If AspenCoreSearch returns a 404 error, it may not have deployed correctly. If the Scheduler folder (see reference below) under the Tomcat appdata folder is not present, double-click the Tomcat7w (Tomcat8w or Tomcat9w ) application, depending on Aspen software version installed, in the Tomcat bin folder.
Ple... |
Problem Statement: What is the file location of the templates that are listed on the Aspen Process Data ribbon? | Solution: Templates can be organized and stored for reuse for the following add-in categories:
Get Calculated Value
Get Calculated Values
Get Current Value
Get Historical Value
Get Historical Values
SQLplus Query
They are stored in a XML file called ExcelFormulaTemplates.xml in the folder:
C:\Users\%USERNAME%\AppData\R... |
Problem Statement: Statistical Process Control (SPC) tags have binary coded alarms stored in a field named Q_SUBGROUP_ALARM, how to display the alarms as comma separated string list with the names defined in Q_XR_ALARM_RULES? | Solution: Here follows an exampleSolution using Aspen SQLplus which extracts this information from records defined by Q_XBAR21def, only returning alarms historized within the last week:
function get_Q_ALARM_DESCR(Q_SUBGROUP_ALARM int)
local ret Char(600);
local sep;
ret = '';
sep = '';
for (SELECT 1st_selection_value... |
Problem Statement: How Do I Activate a Cloud Connect License? | Solution: Before starting the following procedures, you must ensure that your license file is correctly activated if a standard or premium license was purchased.
To activate the license file:
1. After the installation, open the Google Chrome browser, and type the URL:
https: //<IP address of Aspen Connect machine>:... |
Problem Statement: The aspenONE Search page displays the waiting spinner icon continuously, it never stops:
Elsewhere within aspenONE Process Explorer, the search features appears to work correctly:
Exploring this issue further by making use of the developer tools in the web browser, there is a 404.0 - Not Found respon... | Solution: This problem would be apparent if Information Internet Services (IIS) does not have some necessary handler mappings for *.svc for the aspenONE web site. For example, if the following mappings are missing then the symptoms described above will be evident:
svc-Integrated-4.0
svc-ISAPI-4.0_32bit
svc-ISAPI-4.0_64... |
Problem Statement: After evaluating and running a project, this message appears: System.Data.SqlClientSqlException (0x80131904) Invalid object name DatabaseState. using Aspen Process Economic Analyzer. | Solution: Sometimes problems arise with existing databases, and the way to fix this problem is to delete the existing database and create a new one. To do this, the following steps must be followed:
Using Command Prompt, execute the following commands in the following order:
sqllocaldb p MSSQLLocalDB_EEV12
sqllocaldb... |
Problem Statement: DMC3 controllers deployed from DMC3 Builder use the AspenTech Production Control RTE Service to run all processes related to the controller execution, as well as being responsible for data transfer to the Web Server, Aspen Watch Server, etc. This is different than controllers in the ACO legacy platfo... | Solution: The short-term workaround when dealing with deployment failure due to System Out of Memory is to reboot the APC Online Server. This clears up some of the memory consumption, however, this can be an inconvenient workaround especially when there are other running applications on the same server that would be di... |
Problem Statement: How to extract the temperature profile inside riser of catalytic cracker model in Aspen HYSYS? | Solution: The riser sections are discretized using spline collocation. The user can see the temperature profile in the EO grid. So, if you go to the Reaction Section | EO Variables (from the main simulation environment) or the Operation | EO Variables (from the FCC environment), you can enter the following query:
*ris*... |
Problem Statement: When the Input Generation process is executed users sometimes get the warning Line <line ID> cannot be adjusted at Horizontal Heat Exchanger, too many <type> assignments. | Solution: Either assign some lines to different nozzle types, or assign them to other equipment.
Key Words:
Aspen OptiPlant 3D Layout, Input Generation, Run Batch, Routing
Keywords: None
References: None |
Problem Statement: When the Input Generation process is executed users sometimes get the warning ‘Start Point (<point>) of Pipe <Line ID> and End Point (<point>) of Pipe <Line ID> are Very Close’ | Solution: This type of error occurs when.
If the project is mode 5, make sure there are no errors stating that the line could not be adjusted.
If this project is a mode 1, the nozzle locations of both the pipes don’t have enough space for each of the lines to enter or exit. Or, a nozzle has more than one pipe assigned ... |
Problem Statement: When the Input Generation process is executed users sometimes get the warning Line <line ID> cannot be adjusted at Air Fin, too many <type> assignments.. | Solution: Either assign some lines to different nozzle types, or assign them to other equipment.
Key Words:
Aspen OptiPlant 3D Layout, Input Generation, Run Batch, Routing
Keywords: None
References: None |
Problem Statement: When the Input Generation process is executed users sometimes get the warning Material <Material ID> Not Found In Material Cost Database for <Line ID> line. | Solution: This type of error occurs when.
The material specified for the pipe is not included in the material_cost data file.
The relevant material and pipe spec data files haven’t been edited to contain the material and specs being used in the project.
Key Words:
Aspen OptiPlant 3D Layout, Input Generation, Run Ba... |
Problem Statement: When the Input Generation process is executed users sometimes get the warning Branch <Line ID> size (<size>) is larger than main <Line ID> size (<size>)’ | Solution: This type of error occurs when the nominal diameter of the branch is larger than the parent line.
Key Words:
Aspen OptiPlant 3D Layout, Input Generation, Run Batch, Routing
Keywords: None
References: None |
Problem Statement: When the Input Generation process is executed users sometimes get the warning The start/end point of line is outside equipment | Solution: Either assign some lines to different nozzle types, or assign them to other equipment.
Key Words:
Aspen OptiPlant 3D Layout, Input Generation, Run Batch, Routing
Keywords: None
References: None |
Problem Statement: When the Input Generation process is executed users sometimes get the warning Branch will bot route before parent | Solution: This type of error occurs when the branch is placed in the batch file is incorrect. Place the parent line before the child for the branch line to route in the batch file. This is done automatically with Auto Sequence during batch creation.
Key Words:
Aspen OptiPlant 3D Layout, Input Generation, Run Batch, R... |
Problem Statement: When the Input Generation process is executed users sometimes get the warning Start/end nozzle point is un-initialized | Solution: This type of error occurs when.
If start/end point is equipment, the equipment is not in the equipment list. Either add the ID in the equipment list or remove the line.
If start/end point is a branch, the line is not defined in the line list and is not included in the batch file. Either add the header line ... |
Problem Statement: When the Input Generation process is executed users sometimes get the warning Line <line ID> cannot be adjusted at Pump, too many <type> assignments. | Solution: Either assign some lines to different nozzle types, or assign them to other equipment.
Key Words:
Aspen OptiPlant 3D Layout, Input Generation, Run Batch, Routing
Keywords: None
References: None |
Problem Statement: On certain situations, then trying to launch a GDOT application that has APC Gateway configured, the launch will fail and the application log will show “Termination request from APC Subscription.” “Terminating application”. | Solution: The cause for this error is that when launching the GDOT application, APC Gateway will try to reach the APC server along with all the variables configured on the application to check their status, but if it cannot one or more of the points, the initialization will fail. Even if just one of the variables canno... |
Problem Statement: On DMC3 controllers running online, when doing changes on the ranks of CV limits, there is the reported issue that the controller will stop and the messages will show “Invalid rank list: error at rank X”, what is the reason behind this? What is the meaning of this error message? | Solution: The cause for this error is a conflict between the Low Limit QPType (CVLPQL), High Limit QPType (CVLPQU), and theSolution type for specific ranks.
On DMC3 Builder, when configuring the ranks for CV limits, we can select theSolution for specific ranks to either be LP (linear programming) or QP (quadratic, leas... |
Problem Statement: Logical Device records save values regarding Cim-IO store and forward last execution, but there is no out-of-the-box mechanism to keep a log of the previous store and forward executions which can be useful to look for system behavior problems. This | Solution: provides a query defined by QueryDef or CompQueryDef that creates a text log file to save information regarding store and forward executions. Solution
1. In SQLplus create a new query and copy in the following script:
Local DeviceName CHAR(50);
Local LogFilePath CHAR(250);
LogFilePath = 'C:\Temp\'; --Change... |
Problem Statement: What is the compatibility policy for Software License Manager (SLM) Server and Client? | Solution: The Software License Manager (SLM) License Server must be equal or higher than the SLM Client. Deploying a SLM Client version that is higher than the SLM Server is not supported. When migrating to a new version of aspenONE, upgrading the SLM Server may not be needed, but it is recommended as it will introduc... |
Problem Statement: It may be desired to change the URL the Aspen Mtell Alert Manager shortcut points to, such as in the case that an alias is being used or the path has been modified. This article shows the steps to change the shortcut URL. | Solution: The Alert Manager shortcut is created when you install Alert Manager on a server, so these steps should be done on the Alert Manager server.
Click the Windows icon to open the Start menu
Locate and right click on Aspen Mtell Alert Manager
Select Open file location
In the File Explorer, right click on the shor... |
Problem Statement: Is it possible to have a Visual Basic Macro inside an Excel Calculator block?
This used to work, but now, the Excel Calculator no longer opens with the message that Microsoft Office has identified a potential security concern. Microsoft has blocked macros from running because the source of this file ... | Solution: Macros inside the Excel Calculator pose a security threat, so they are not allowed.
In earlier versions of Excel, it was possible, but now Excel Version 2209 and higher does not allow the Calculator to open in Excel if there are Macros in it.
Keywords: None
References: : VSTS 802619 |
Problem Statement: New features for Aspen Production Execution Manager (APEM) for V10, V11 and V12. | Solution: Please find the attached presentation which explains the new features with APEM application with V10, V11 and V12 .
Also find the V12 release notes PDF attached .
Keywords: None
References: None |
Problem Statement: You may find a message -nan(ind) message displayed in the non-linearity ratio column when running a case or a parametric analysis. | Solution: -nan(ind) means there is a mathematical error such as ln(0), x/0 and so on. This could be included accidently by the users on the Non-Linear Equations (NLE). For example, for a NLE with logarithmic terms it could be working fine with an inputSolution. However, if a parametric analysis is ran, random inputs wi... |
Problem Statement: I created an Aspen Unified Snapshot to share it. However, when I opened it, it didn’t have the latest changes. Why is that? | Solution: When a user opens a model workspace, it opens a sandbox which only belongs to the current user. When you create a snapshot inside your model workspace, it is based on the sandbox. Hence, the snapshot will have the latest changes.
But if you create a snapshot on the home page, it will have the last checked-in... |
Problem Statement: AUP does not show the wanted Units Of Measure (UOM) | Solution: Go to the model in which you want to change the UOM. Select the “Settings” Button on the left Menu, then General Settings.
Select the “UI Behavior” tab and go to the “Units of Measure” section. Select the desired UOM from the drop menus. You can change all the UOM by changing the “Unit set” or a particular o... |
Problem Statement: When I try to access the Aspen Unified Home Page, it won’t stop loading. | Solution: The most common reason is firewall protection. Make sure that the user’s machine and license servers that have the DB, license and app should have port 5093 UDP open for communication.
Keywords: Aspen Unified, loading, firewall protection
References: None |
Problem Statement: My organization has very strict cyber security protocols. Hence, I have been experiencing some problems when using Aspen Unified PIMS, Scheduling or GDOT because some firewall protection is blocking the communications between the App, Database and License Servers. Which ports should I have open for c... | Solution: The user’s machine and servers that have the DB, license and app should have port 5093 UDP open for communication to access the license.
A port for master/slave connection 9750 is needed between the primary and secondary AUP server.
To access HTTP, you should have port 80 open for communication.
To access HTT... |
Problem Statement: How to solve the AI Training access error “When Aspen OnLine V12.1 service or Aspen OnLine Interactive Service V12.1 is running, simulation case cannot be located under the user specific folder”? | Solution: First principles driven hybrid models combine mechanistic models with machine learning, it has powerful features that can enhance an existing first-principles model performance by augment using AI with data from operations. From V12.1, users can apply this feature in Aspen Plus/HYSYS as shown below:
Some use... |
Problem Statement: From the Aspen APC Web Viewer (PCWS), when the user clicks to open the controller details page, entry dictionary, or any context menu, a dialog box opens with the following error message:
This operation has been cancelled due to restrictions in effect on this computer. Please contact your system adm... | Solution: This issue can occur in the scenario where the PCWS web page is being accessed on an operator workstation that does not allow pop-ups, so when the user clicks on a header, the pop up is blocked.
To resolve this issue, go to the Preferences tab in PCWS, check the box for Enforce single-window environment, and... |
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