question stringlengths 19 6.88k | answer stringlengths 38 33.3k |
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Problem Statement: How can I bypass the login prompt that requests username and password when launching the A1PE web page? | Solution: Follow these steps to change the internet settings so that it automatically logs in without prompting for the username and password:
1. Open Control Panel and select Internet Options for the Internet Properties dialog box to open.
2. Under the Security tab, select Local Intranet and click on the Sites button... |
Problem Statement: How do I perform a silent install of the SLM Tools? | Solution: aspenONE family-based product installs allow users to create install scripts for unattended installations. The Stand-alone Administration tools (such as SLM Tools and SLM Server) cannot be recorded. SLM Tools, if necessary, can be silently installed using one of the command lines below:
msiexec /qb /i SLM T... |
Problem Statement: What is the procedure to install SLM Server Silently? | Solution: aspenONE Installer does not support the record XML file option for SLM Servers and Tools. Users who want to setup multiple SLM Servers across the regions can follow this article to install SLM Server silently.
Please follow the below procedure to perform a SLM Server installation silently:
-Download the atta... |
Problem Statement: What if error messages like the following appear in those fields (setcim db error and Data out of range):
What can be done to fix this? | Solution: Look three fields to the left at IO_VALUE_RECORD&FLD. Make sure that it lists an appropriate record and field combination. For an IP_AnalogDef record it would be <tagname> IP_INPUT_VALUE:
The error has been seen before when an incorrect field name is accidentally used (like <tagname> IP_INPUT_TIME).
Note:... |
Problem Statement: How to avoid issues when using Aspen Online projects with EDR models?
Root Cause:
When using Aspen Online projects when using Aspen Online projects with EDR models in standalone EDR or embedded into Aspen Plus or Aspen HYSYS, please follow these best practices. The likely cause for output tags not g... | Solution: Please follow these best practices when using Aspen Online with EDR models:
Change the log on account of the AOL Service to Local System;
Enable the TCP/IP connections for the SQL Express Server via SQL Server Configuration Manager.
Keywords: Aspen Online, Best Practice, Aspen EDR, Aspen Shell and Tube Exchan... |
Problem Statement: How do I enable AFW debug logging? | Solution: This knowledge base article will show you how to enable AFW debug logging which will help to troubleshoot AFW related issues. Follow the steps below to enable the logging on the AFW Security Server:
1. Ensure that you have Administrative Privileges to make changes to the machine's registry.
2. Click on Star... |
Problem Statement: How to limit access to different users on the PCWS? | Solution: Use AFW Security roles to assign different access level to APC applications.
Example
In below example, the student account is part of the ACOWebEngineer role with access to all the applications:
In a situation where I have a user or a group of users that I would like to limit the access to specific applicat... |
Problem Statement: There is no readily available option in Global Display Data for Normal Volumetric Flowrate to show on the flowsheet. | Solution: Users can turn on the Volumetric flowrate property in the Global Display Data option but this volumetric flowrate is reporting the current total phase volumetric flow rate calculated based on current process temperature and pressure conditions.
If the user would like to display Normal Volumetric Flowrate on f... |
Problem Statement: When navigating to the A1PE home page and the icons do not appear (the area where they normally appear is blank / empty) what sort of things may be checked in order to alleviate the problem? The suggestions in this document assume that the icons DID appear previously and that the page was working co... | Solution: If traditional things like trying a different web browser (Google Chrome, Mozilla Firefox, Microsoft Edge, etc.), emptying the browser's cache, trying the page from different computers do not solve the problem here are some suggestions:
1. Have the affected users log out of A1PE and close the browser window... |
Problem Statement: Every attempt to start a MOC session fails with a single Error dialog reporting the message: java.lang.ExceptionInInitializerError
The latest MOC debug file (found in C:\ProgramData\AspenTech\AeBRS\MOC\debug folder) may have the following set of messages logged:
hh:mm:ss TID: 1: Exception
java.lang.E... | Solution: This problem will be apparent if the application is not able to write to the JdbcOdbc debug folder. By default everyone is given full control to this folder but we have seen administrators perceiving this to be a security risk and inadvertently making it, at best, read only.
We recommend you take this opport... |
Problem Statement: What is the login credential for opening Aspen Operator Training (AOT) user interface? | Solution: AOT requires common log-in credential for all users to access the interface.
For V11, V12, and V12.1 - these credentials can be used:
Username: ISAdmin
Password: AspenTechAOT
In future release, this credential may change. Please contact Aspen Tech Support for updated credential.
Key Words
AOT, Log-in, User ... |
Problem Statement: What is Aspen Knowledge In-Context? | Solution: Aspen Knowledge In-Context delivers curated, featured content that is seamlessly integrated within the flowsheet. This tool allows you to access relevant Aspen Knowledge material, providing relevant information that reflects your specific flowsheet topology and interactions with the process model. For example... |
Problem Statement: Contingency calculation in Economics projects | Solution: Contingency is calculated based on the Total Investment Cost (TIC) of the project minus the Contingency itself. Calculation broken up is as follows:
Contingency = Total Field Costs + Total Non-Field Costs (except contingency) * Contingency Percentage
Note: The Contingency Percentage is defined in the Contin... |
Problem Statement: What are the differences between blowdown valves and safety valves? | Solution: Both Blowdown Valves (BDVs) and Pressure Safety Valves (PSVs) are safety valves. However, there are some key differences in their applicability.
What are PSVs?
The primary purpose of a PSV is the protection of life, property, and the environment. These valves are designed to open automatically and relieve e... |
Problem Statement: How can I decipher the Project Level Error messages and where to go in the Project Basis to fix them? | Solution: Here is a general list of the types of ERROR codes that you may see, and where you can go to look in the Project Basis to fix the problem.
Project Level Error Messages
'A1 - 0' : refers to a problem with the Code of Account Definitions
'A2 - 0' : refers to a problem with the Code of Account Allocations
'A1... |
Problem Statement: Commonly Asked Petroleum Application Questions About Aspen Plus | Solution: 1. Aspen Plus does not generate distillation curves for a stream containing 4 pseudo-components. Why?
To generate a distillation curve, a stream must contain at least 5 pseudo-components of non-zero flow to generate distinctive data points at 10%, 30%, 50%, 70, 90%.
2. For streams with significant amount of ... |
Problem Statement: Is it possible to model a Ammonia Production process using natural gas as a feedstock? | Solution: AspenTech has developed an application example for this type of process. This example will be included with V7.0 and higher. The package is our proprietary work. Consulting may be needed for technology transfer and further model development and validation.
Attached is an example of this process. This exampl... |
Problem Statement: History trend plots will not work from the PCWS using either Web.21 or aspenONE Process Explorer (A1PE) as the trend option under Preferences tab. The following error messages can be seen:
Error message when opening using Web.21:
CreateChart: (TypeError): Unable to get property 'ph' of undefined or ... | Solution: Root cause:
First check that the web browser you are using is supported, refer to Platform Specifications: Platform Support | AspenTech
This error can be seen even when using the supported web browser Internet Explorer (IE) Version 11. However, the root cause of the issue was that IE 11 was emulating unsupp... |
Problem Statement: By default, the MOC client will create a debug file and can take up Hard Disk Space on server or client machines. Also sometimes there is a concern with too many API log files getting generated for the Server. | Solution: To limit the number of log files, we have the debug key 'DEBUG_PURGE_PERIOD=xx' from this KB (000082220 ) that is applicable to both MOC and Apache.
However, files are deleted at the start, which happens normally daily for MOC but not for Apache. Since V11, APEM keeps only the last 7 days for the API Server ... |
Problem Statement: Does Aspen HYSYS have a Header unit operation? | Solution: In Aspen Hysys, there is no special block for a similar header. However, it can be simulated with the PIPE SEGMENT block or also with the Separator block.
In both you can specify the HOLDUP of the equipment. If you have a lot of input currents, you could use a Mixer to put them together (simulate it instantl... |
Problem Statement: A live alert was investigated and found the root cause to be a malfunctioned sensor that needs to be replaced. In some cases when the faulty sensor could not be fixed or replaced immediately, it would be sensible to temporarily remove this sensor from its sensor group and deployed it back live. This ... | Solution: Disable Affected Sensor
Step 1: From Mtell View, search for the triggered alert and select 'Acknowledge'. Note to not close the agent here so that the alert stays in open state. Closing the alert will only trigger the same alert since the faulty sensor has not been fixed yet.
Step 2: Clone the agent that has ... |
Problem Statement: There are many reasons that a user might want to uninstall and re-install all Aspen products on the server or just the APC software, including:
Installation issue the first time is causing problems in software functionality
An account without administrative privileges was used to install it
There was... | Solution: Bonus Tip: if you are using virtual machines, it would be a good idea to take a “checkpoint” of the machine before the uninstall and before the re-install in case you need to come back to that point again.
Before uninstalling, save the following files as back-up:
For APC Online Server
C:\Program Files (x86... |
Problem Statement: When upgrading Aspen APC products to a higher version, what is the recommended order for each server involved? | Solution: Before proceeding with an upgrade, you should have a step-by-step plan of which order you want to upgrade your APC servers. It is best practice to complete the upgrade for all of them in one go, rather than upgrading one and waiting long periods of time until the other, since the servers are not backwards com... |
Problem Statement: The Aspen Advanced Process Control product suite offers two user interface platforms (ACO and RTE) to build and configure two types of APC controllers (DMCplus and DMC3). This article will explain the difference between them and how to check which ones you may be running on your APC Online Server. | Solution: Abstract:
ACO (Advanced Control and Optimization) and RTE (Real-Time Environment) are the two platforms (i.e. groups of products) within the APC suite in which users can build models, configure applications, and then deploy online.
ACO uses legacy tools like DMCplus Model and DMCplus Build to build the contro... |
Problem Statement: Which version of OLI Engine is compatible with Aspen Plus V12 & V12.1? | Solution: Aspen Plus V12 & V12.1 requires OLI Engine Build 10.0.2.1, Build 11.0.1.3 Beta & higher.
There is a 64-bit download of OLI for Aspen Plus V11 & higher.
Keywords: OLI Engine, compatibility
References: None |
Problem Statement: The default time units in an Aspen Plus Dynamics plot are hours, the user expects to modify these units. | Solution: For modifying the time units in an Aspen Plus Dynamics plot, follow the next steps:
1. Go to the Run tab.
2. Select Run options.
3. Be sure that for the Change simulation run mode the Dynamic option has been selected.
4. In the Time units area, select the units for the plot.
The user can select ... |
Problem Statement: Electrolyte NRTL is not available in the Rate-Based Distillation column in Aspen HYSYS V10.0. | Solution: Using Electrolyte NRTL in the Rate-Based Distillation column is not available in Aspen HYSYS V10.0 but from V11.0 and forward versions, Electrolyte NRTL in the Rate-Based Distillation column is available.
Aspen HYSYS V10.0:
Aspen HYSYS V11.0:
Note: Use Aspen Properties as Fluid Package type.
Keywords: Dist... |
Problem Statement: In Aspen HYSYS BLOWDOWN convergence problems and wrong | Solution: s may appear if there are components defined with a zero composition.
Solution
When more than one component is defined, and it is wanted to model a pure component, it must be ensured that trace amounts of the other components are added in the pure component.
If this is not done, the results may not be accu... |
Problem Statement: OptiPlant crashes when the user uses the X in the upper right corner or pressing Esc to close the Parameters form. | Solution: The root cause of the problem is that in V12.1, the event when the user closes the Parameters form using the top right X or press the Esc key is not handled. Hence, the data of the selected object (such as an air cooler) becomes corrupted. This causes the application to crash when it is saving the project to ... |
Problem Statement: What is the application of the component Attributes form available under RCSTR Reactors while working with Polymers? | Solution: Use this sheet to specify how RCSTR is to determine values for component attributes in the outlet stream, when these components are created or changed by reactions in the reactor. Before using this sheet, define the attribute IDs and the constituent elements for each component with attributes on the following... |
Problem Statement: Which case types are supported by Aspen Simulation Workbook? | Solution: Aspen Simulation Workbook supports the following case types:
Aspen Plus and the layered products based on these platforms (e.g., Aspen Polymers Plus)
Aspen HYSYS, including HYSYS Upstream and HYSYS Refining
Note: Only *.hsc files are supported; *.hscz files are not supported in this release.
Aspen Exchanger D... |
Problem Statement: Why do I not see the option for Sump or Chimney on my column internals? | Solution: Normally, you can specify a sump or a chimney tray on the column’s Rating | Sizing | Non-Uniform Tray Data form. Review KB article 000098828 for more information on how to access this form.
For rate-based columns, such as the Acid Gas packages or ENRTL-RK Aspen Properties package, the sump and chimney tray i... |
Problem Statement: This knowledge based article explains why end user is not shown a textbox for him to enter SQL query when he browse to the Aspen SQLplus Web Service (http://<server_name>/SQLPlusWebService/SQLplusWebService.asmx and click on the ExecuteSQL link. | Solution: The Aspen SQLplus Web Services form is not configured to be access remotely through the web browser. To make the form available for access from a remote machine, configure as follow on the web server.
1. Launch a command prompt using Run as administrator.
2. Stop Internet Information Services (IIS) with below... |
Problem Statement: How can I tell which AspenTech products I have installed on my machine? | Solution: Go to the Windows Start Menu to see list of applications and under the folder Aspen Configuration, you will see a program called Uninstall AspenTech Software (or you can just search for it in the Start menu). Don't worry, we're not actually uninstalling any products.
This program will open up the AspenTech U... |
Problem Statement: I have some plant data (time, value) that I wish to use to set the value of a variable in a dynamic simulation. Can you suggest a way to implement this | Solution: OneSolution is to use a model with the code shown below. The model lets you specify the value of the variable (x) and the time interval between the data points (t). It uses a task to set the variable value (with assignments). Note that you can only use this with version 2004.1 and cumulative patch 4, which ad... |
Problem Statement: Which databank is best for high temperature combustion and incineration? What is the Combustion databank? | Solution: The COMBUST databank is a special databank for high temperature, gas-only phase calculations. It contains parameters for 59 components typically found in combustion products, including free radicals. The CPIG parameters were determined from data in JANAF tables for temperatures up to 6000K (JANAF Thermochemic... |
Problem Statement: How do I resolved SLM Server persistently getting Error code 26 after running SLMClean Utility. | Solution: This knowledge base article will show you what are the folders that you need to exclude from the anti virus application. As per Gemalto, the issue is with regards to the anti virus application. SLM Server will auto generate some temp files in the below folders and will report Error code 26 when the anti virus... |
Problem Statement: Mtell Help Files are located in the path C:\ProgramData\AspenTech\Aspen Mtell\Suite\Help by default. It may be desired to move these files to a different path. A common reason for this is if the C drive is limited to Operating System files and other applications are stored on a different drive. | Solution: Note: Using the Registry Editor incorrectly can cause serious, system-wide problems that may require you to re-install Windows to correct them. Modifying the Windows Registry should only be performed by experienced Administrators.
To move the Aspen Mtell Help files to a different folder:
On the machine where... |
Problem Statement: How can the 'Aspen Process Data Service' service, which normally will be present on the Aspen InfoPlus.21 system, be added to the Windows Services applet if it is not present? | Solution: Open a Windows OS command prompt (formerly known as the DOS prompt) and issue this command:
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe /i AspenTech.PME.ProcessData.WindowsService.exe
Once you try it please make sure the service appears in the Windows Services. If it is not starting with a... |
Problem Statement: Microsoft patch KB5005568 (Sept 2021) impacts DCOM settings and raises the minimum authentication level for DCOM communication.
Microsoft introduced hardening changes in DCOM that could affect CimIO for OPC communications with new OPC error message:
10036 - Please raise the activation authentication ... | Solution: You must install Microsoft updates released June 8, 2021 or later and enable the following registry key on server and client:
Path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole\AppCompat
Value Name: RequireIntegrityActivationAuthenticationLevel
Type: dword
Value Data: default = 0x00000000 means disabled. 0x00000... |
Problem Statement: Video: Installing and Configuring V12.1 Aspen Unified | Solution: This video will walk you through the installation and configuration steps for V12.1 Aspen Unified. You can also find attached a pdf guide with the corresponding steps to follow.
Keywords: None
References: None |
Problem Statement: Older versions of Aspen InfoPlus.21 could only have 113 file sets per repository. This was due to the fact that the DiskHistoryDef record (like any record) is limited to a maximum memory allocation which applies to all individual Aspen InfoPlus.21 records. As of Aspen InfoPlus.21 version 6.x, the 113... | Solution: There remains a 128 kilobyte (64*1024 word) record size limit in Aspen InfoPlus.21 (note, this was smaller before version 2006). In order to have the ability to have more than 113 file sets per repository, the file set information had to be removed from the DiskHistoryDef record in the database. Therefore, th... |
Problem Statement: How to create an ODBC connection through Excel | Solution: Go to Administrative tools and open ODBC Data Source Administrator to create a new Data Source.
Go to the System DSN tab and click the “Add” button to bring up the Create New Data Source window.
Select “AspenTech SQLplus” ODBC driver and click Finish.
On the SQLplus Setup window type a name for your new ODB... |
Problem Statement: Setting up transfer functions to be used in Aspen HYSYS Dynamics requires special attention to some details, inputs and configuration of the solver to see the effect reflected. | Solution: You may follow the steps shown in the video below:
Keywords: Aspen HYSYS Dynamics, Controller, Ramp, Transfer Function, PID, SP, Setpoint
References: None |
Problem Statement: When logging into Aspen Production Execution Manager (APEM) Mobile on the mobile web server itself, encounter below error message even though the web server itself has been added as a workstation. | Solution: This is due to browsing to the Aspen Production Execution Manager Mobile website using localhost for the URL instead of the server name. The issue can be resolved by either method.
Instead of browsing to the site using http://localhost/ApemMobile, use http://<server_name>/ApemMobile instead.
Add 0:0:0:0:0:0:0... |
Problem Statement: Sometimes, depending on the complexity and structure of a simulation, it can turn difficult to solve and get results. Equation Oriented is a useful way to converge simulations and other additional benefits like faster calculations in Aspen HYSYS. | Solution: The video attached explains what Equation Oriented (EO) is and how it is different from the default Sequential Modular (SM) mode. It is explained how to create an EO subflowsheet and how to change a simulation from SM to EO mode and some basic characteristics and advantages of this run mode.
Main topics cove... |
Problem Statement: Knowledge Center Diagnostics tool - User Interface | Solution: The attached tool is designed to help customers diagnose Knowledge Center issues they may face at their end. The tool performs various connectivity tests and provides information that enables customers to identify these issues, or to be copied & sent to the AspenTech Support team for further investigation and... |
Problem Statement: In V12.1, APC Web Viewer has the functionality of displaying Model Curves, Status, Curve Overrides, and Gains in the Model view of a controller.
But for large controllers, we cannot see the model curves even if we enabled the “Model curves” option. | Solution: To View the Model curve for a large controller like this, we need to zoom in on the model curve by dragging the target area over the curves you want to see.
After zooming in, we can see the model curves like below.
Keywords: New Web interface
DMC3
V12.1
Model curve
References: None |
Problem Statement: In the History tab of the PCWS, we can see each controller’s KPI plot as indicated in the screenshot below.
But this is only for a single controller and the Format is fixed.
How do we create custom KPI Groups that contain KPI for several controllers? | Solution: We can create KPI Groups from PCWS.
To create a new KPI Group, go to PCWS>History>AW Maker>Tag Group Manager
Edit KPI Group like the example below.
Please add the KPIs that you want to add to the new KPI plot. You can any controllers KPIs.
You also can add the Header from the “Plus button” on the right-han... |
Problem Statement: SPYRO6 is a 32 bits program that previously is working well in integration with Aspen Plus V10 and older. Due to the current upgrade to Aspen Plus V11 and newer which is 64 bits program, SPYRO6 with the existing setup is no longer working. | Solution: To make SPYRO6 continue to work in 64 bits Aspen Plus (V11 and newer), some changes are required for the relevant documents.
Modify rtopt.opt file
The default rtopt.opt file in the Model folder will consist of 2 lines. 1 line is the path that pointing to zespyro.dll and another line is the path that pointin... |
Problem Statement: How to model ice bath for cooling? | Solution: Attached is a simple simulation file created using a heat exchanger HeatX block with methane (CH4), water (H2O), solid ICE, and Nitrogen (N2) in version V7.1. The electrolyte wizard was used to set up Chemistry reactions to model the ice formation. The light gases are specified as Henry's components (for thi... |
Problem Statement: Inside Aspen Custom Modeler when a subroutine is written, the shortcuts/hotkeys can be used, the list of the different shortcuts/hotkeys can be long and hard to remember. | Solution: Inside Aspen Custom Modeler when a subroutine is written, the shortcuts/hotkeys can be used. These shortcuts/hotkeys show the list of different parameters, variables, ports, models, structures, streams, and procedures.
The next table shows the shortcut/hotkeys for each item.
Keywords: Shortcut, subroutine, v... |
Problem Statement: How to change the material for the heat exchanger components inside Aspen Shell and Tube Mechanical and Aspen Shell and Tube Exchanger V12.2? | Solution: In order to change the material for the heat exchanger components inside Aspen Shell and Tube Mechanical and Aspen Shell and Tube Exchanger V12.2, follow the next steps:
Go to the Material tab in both applications.
The path for Aspen Shell and Tube Mechanical is Input/Material/Main Materials/Material Specific... |
Problem Statement: It is crucial to select the right Pressure Drop Calculation Option when creating a Fired Heater in EDR, as this will impact the way the inputs are processed to calculate the results. | Solution: The pressure drop calculation option can be selected in two different locations:
Input| Problem Definition| Process Data| Streams
Input| Program Options| Pressure Drop| Process Streams
The three Pressure Drop Calculation Options for a Fired Heater in EDR are:
Predict Outlet Pressure
This will allow the p... |
Problem Statement: This article briefly describes the steps to perform Principal Component Analysis (PCA) using Aspen Unscrambler.
PCA can be used to reveal the hidden structure within large data sets. It provides a visual representation of the relationships between samples and variables. | Solution: Step 1: When a data matrix is available in the Project Navigator, access the menu for analysis by PCA from Tasks – Analyze – Principal Component Analysis
The PCA dialog box has the following fields
Model Inputs tab
Weights tab
Validation tab
Algorithm tab
Step 2: Go to Principal Component Analysis Model Inpu... |
Problem Statement: This article briefs about the steps to do the Projection in unscrambler on latent space model. | Solution: Once a latent space model has been created on a set of samples, the samples comprising the model are projected into the new space and can be visualized in the scores plot.
New samples can be projected on the same scores space (i.e. the model). This is done by matrix multiplication of the new data and the load... |
Problem Statement: Which fluid package is recommended for a mixture of gas, oil and water in Aspen HYSYS? | Solution: For a mixture of gas, oil and water with components such as CO2, N2, hydrocarbons, benzene, toluene, xylenes, H2S and water we recommend using the CPA fluid package.
We either have the water kijs for most binaries or an estimation formula for higher molecular weight hypos.
Key Words:
Aspen HYSYS, fluid packa... |
Problem Statement: Has AspenTech incorporated the data published by Katz-Firoozabadi in estimating properties of hydrocarbons? | Solution: Yes, Aspen HYSYS does have the Katz-Firoozabadi methods for estimating liquid density and molecular weights. This can be setup from the hypotheticals manager.
Key Words:
Aspen HYSYS, Katz-Firoozabadi, hypos
Keywords: None
References: None |
Problem Statement: Why is Aspen Online requiring access to an ENG license for Aspen Plus when I set it up to use MSC tokens? | Solution: Users can specify whether Aspen OnLine should draw licenses and tokens for Aspen Plus RTO models from the Engineering license pool or the MSC license pool.
However, users should note that we have added a new feature since v12 where if the inp/appdf files provided in the Offline folder are older than the bkp ... |
Problem Statement: How the lead lag calculation execute in Aspen Calc by using OnDemand calculations? | Solution: LeadLag is not a built-in function, so it can't be used in Calcscript.
LeadLag can only be used as an on demand calculation. Create an on demand calculation with LeadLag, and then make it a shared on demand calculation if you're wanting to use it with IP21.
After save as shared then tag would be created in I... |
Problem Statement: A1PE does not hold the license by giving error as license denied on A1PE page. | Solution: The A1PE webpage can get the license denials error if the AspenProcessDataAppPoolX64 crashes for troubleshooting the issue you need to check the below settings from IIS .
Check the Advanced settings from IIS for AspenProcessDataAppPoolX64 as below
Maximum worker Process as set to 1
The Regular time interval v... |
Problem Statement: How to install the Aspen Process Data Add-in without installing additional AspenTech products? | Solution: Go to the AspenTech Web Server http://webservername/Web21/DownloadAddin.asp
Click the Download and install ExcelAddinSetup.exe link to download a file that has the webservername reference as part of its filename.
Run the downloaded installation file.
Please note:
• To install this Excel Add-in, the target ... |
Problem Statement: When launching Aspen Production Record Manager ODBC test application, encounter below error message. | Solution: This is due to a DLL not being registered. In order to resolve the error, performed as follow:
Launch a command prompt using Run as administrator.
Browse to C:\Program Files\AspenTech\MES\ADSA in Windows Explorer.
Register the AtDsaLocator.dll with below command.
regsvr32 AtDsaLocator.dll
Keywords: APRM O... |
Problem Statement: A simulation with electrolytes is converging the tear streams and design specs. However, at the very end of the execution of the simulation, the following error is raised:
** ERROR WHILE GENERATING REPORT FOR STREAM: xxx
FLASH CALCULATIONS BYPASSED DUE TO UNREASONABLE SPECIFICATIONS. SPECIFIED
... | Solution: In this case the convergence loop flushed the tear stream and set the values to missing in the final iteration.
To avoid this problem, you need to uncheck the box for affected block logic.
Tear streams with electrolytes do not get flashed which is generally not a problem, since typically the block in the l... |
Problem Statement: During a CSV historian sensor data import, it takes more than two minutes to upload into Aspen Mtell. The upload can still be completed, but it will take an enormous amount of time if you have hundreds of CSV files to import. The import for a single CSV file should not take longer than five seconds. | Solution: Mtell does not have the capacity to process a time series data with granularity of less than one data point per second. Here is an example of data that is too granular:
Look back at your sensor data and make sure that the data granularity is not more one data point per second to ensure your CSV files get imp... |
Problem Statement: How to configure SMTP server to send email for Aspen Mtell?
During Aspen Mtell configuration it is required to configure SMTP server setting to allow emails to be sent for alerts generated by the system and watchdog emails.
Prerequisites:
Create an account on SMTP server that will be used as sender ... | Solution: Open Aspen Mtell System Manager
Select Configuration tab
Select Email Servers from the menu on le the left under the Email options
Select Create Server from the Ribbon
On the right you will now have the option to fill in server details
Profile name will be the friendly name the server is referred to withing A... |
Problem Statement: When upgrading an Aspen Mtell database, I get an Operation error “The service has encountered an error processing your request. Please try again. Error code 701.”
Error code 701 is a SQL error which means “There is insufficient memory to run this query.”
Most Mtell database upgrades are small enough ... | Solution: If the SQL Server is a physical or virtual machine:
Solution 1
On the SQL server, open SSMS (Microsoft SQL Server Management Studio) and connect
Right click on the server, and select Properties
Go to the Memory page
Check the Maximum server memory. It may be too low. If so, increase the memory and try running... |
Problem Statement: This article described the compatibility between Online Server and PCWS on Different Version. | Solution: We always recommend as best practice is to have all APC servers running on the same version. However, there could be some scenarios in which you could have different versions of the software.
In those cases, where different version needs to coexist there is a couple of things to consider:
1.- Forward compat... |
Problem Statement: This | Solution: Frames how DMC3 Builder determines how many correlation coefficients to plot after running a case?
Solution
The MV Cross-Correlation plot reflects the correlation between two MVs over a time horizon window. A maximum value (between 0-1.0) at time t=0 shows the strongest correlation between the two MVs.
By def... |
Problem Statement: External Targets are common requests for APC users. This is a quick guide on how External Target can be set up on DMC3 Builder and DMCplus build. | Solution: Setting External Targets on DMCplus:
To enable External Targets in a CCF file, select the Tools menu and then select Options. Then select the General tab and here can be found the option External Targets. This option will allow enabling the External Target for the controller and it allows to select between th... |
Problem Statement: From Configure Online Server the automatic triggering of Snapshot from the controllers can be configured. However, this has a limitation of 1 hour (by default cannot be less than this period). This KB described an alternative way to Trigger the snapshots within a Default interval or Condition. | Solution: The workaround for this problem basically is to create an Input or output calculation that detects the condition to create the snapshot. this can be done on either DMCplus or DMC3. For purpose of the demonstration, this article will show theSolution on a DMC3 controller.
The DMC3 controller can manually trig... |
Problem Statement: Importing Datasets and Cases information does not contain Local Slice information for the vectors, but it can import Global Slices. This article talks about working with local slices from DMCplus Model. | Solution: Please follow the next steps:
1.- In this example, there is a local slice, interpolated slice, and global slice for a data set
2.- Select all vectors and export them as .dpv file
3.- This instead of creating a clc file with all vectors splits the data set into individual vector files but can be group impor... |
Problem Statement: This | Solution: frames how to import a Non-linear Apollo Controller into DMC3 Builder.
Solution
Please follow the next steps:
1.- Open DMC3 builder and create an APC Project.
2.- Go to Controller and then on the top ribbon select import application.
3.- a pop-up window should appear to select the .run application from Apo... |
Problem Statement: This article described what can be checked in case Shadow Prices are not getting calculated by DMC controller | Solution: In the DMC Controller, Shadow Prices are typically calculated and will display a Non-zero value as long as one of the MV is an active constraint. However, there could be some situation when even if the condition of having active constraints is met, Shadow Prices can display Zero values for all MV.
The main r... |
Problem Statement: HTP plots can be saved into the following directory C:\inetpub\wwwroot\AspenTech\Web21\Plots launching the Browser with an administrator account, otherwise, the following message appears “Permission denied - No account was found: Launch browser using ‘Run As Administrator’ or contact your administrat... | Solution: The way to avoid this message is by allowing everyone to save Plots in the mentioned directory. The following steps should be taken to allow this:
1.- Go to the following Directory C:\inetpub\wwwroot\AspenTech\Web21 and right-click on the Plots folder. Then select properties.
2.- In the Plots, properties w... |
Problem Statement: This article described the edition error that may appear when working with text files to import into AspenWatch maker for Misc or PID collection:
The following is an example of one of the errors.
Errors in input file: D:\Temp\pidtags.txt
Line 36 Column 1: TagName (20-LIC-101/_) has invalid characte... | Solution: AspenWatch Maker supports importing txt files for the Misc and PID configuration. This import action requires a specific format for it works. An example of this can be found below:
# TagName Description EngUnits PlotHigh PlotLow TaskID TagType Address
# ... |
Problem Statement: When trying to apply a patch to Aspen Mtell, you receive the following error:
Product Prefix not found
This error will appear as the aspenONE Update Agent tries to validate each product to be upgraded. | Solution: Before installing a patch the aspenONE Update Agent checks to confirm that a valid build version is currently installed. The above error message will be generated if an incorrect base version is installed or if there was a problem with the installation of the correct build version. Follow the steps below to ... |
Problem Statement: This error was detected on V12 and V12.1 of CIMIO and APC V12.1. The problem can happen when CIMIO Diagnostic is enabled to track Reads and Write failures and OPC requests.
As part of the symptoms once the CIMIO Diag log is enabled the APC controller will start logging messages such as Write Failure... | Solution: The problem is basically is related to the time that CIMIO and APC take to process all requests for reading and Writing. Once the CIMIO Diagnostics is disabled the APC controller should be able to send the information to the OPC as the resource for the Diagnostics log will no longer be used. If CIMIO Diagnost... |
Problem Statement: This | Solution: frames a workaround when Importing a CLC file fails with the error message:
Operation failed: atclc_readsampsect() failed with error code 20 Error reading sample time from sample data line
Solution
1.- import the clc into DMCplus Model as a DMCplus project.
2.-Go to Vector List Node and select the only Vecto... |
Problem Statement: This article described the differences between the use of two different Simulation options of the APC controllers that can be used in PCWS. | Solution: Online Simulation and What-if simulation are different options to run changes and analysis on the controller without having to send information to the OPC but having the PCWS display of the APC controller.
Online Simulation can be deployed directly from the DMC3 builder with no further configuration while Wh... |
Problem Statement: This article described what can be done in case Configure Online Server fails to open and return an error about account privileges | Solution: The problem might be related to CIMIO or AFW problems. In the case of CIMIO problems, the common cause is that another instance is using the same CIMIO interface and does not allow do modifications. In this case close application as:
CIMIO Interfaces Manager
CIMIO Test API
Aspen DMC3 (In case Deployment is ... |
Problem Statement: This | Solution: provides guide information on the firewall port configuration for the communication of GDOT Web Viewer and GDOT Online.
Solution
The communication between the GDOT V11.0 Web Viewer and the GDOT V11.0 online server uses HTTP/2.
The “as installed” port is 8000. But is suggested to change it to something else f... |
Problem Statement: This | Solution: frames about what could trigger the message General Hard Move ReSolution in all MV for the Ramp on Control Mode
Solution
This error occurs when the engine determines to overwrite the MOVRES set by the user. This is a consideration that happens for ramp variables in any controller mode (Control / Smart Step / ... |
Problem Statement: This KB article explains how to check the Emergency Patch (EP) level on the APC system. | Solution: The best way to check on the EP lever is to check on the version of one of the functional areas affected by that patch. On the support page for the EP, there is a list of the functional areas affected and their version.
Every EP installation output a APC_ECR.log file with more details on the functional areas ... |
Problem Statement: The issue has been observed where all Aspen Watch features on the PCWS web page are working properly. However, when trying to run a custom report from the web, it shows the following message: Error generating report <Report Name>, section CSS_PART Failed to connect to server' | Solution: The root cause of this issue is likely that the ADSA data source name does not match between the web and watch servers. To resolve this issue, change the data source name on the Web server to match the data source name on the Watch server.
First go to your Aspen Watch server and open the program called ADSA C... |
Problem Statement: After a new installation of V12 MES suite, Aspen Process Explorer does not open. | Solution: This is a known issue that can be address by adding a registry key in the installation for V12.
Open Registry Editor on the machine that is having the issue
Go to HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\AspenTech
Add a new String named “DoNotRegister” and set the data value to 1. (See example below)
Open a... |
Problem Statement: When running predictions for raw variables, the scaling of measurements and prediction correspond with the measurement scaling shown in the dataset.
This KB explains why the scale shown for prediction and measurements is different when running predictions for ramp variables and gives an explanation ... | Solution: Model ID consider ramps at Steady State when their rate of change is constant, in fact the Identifications for ramps works with differentiated values. Therefore, instead of the raw measurement is the measurement of the ramp variable being differenced and then filtered what it is shown in the predictions (ramp... |
Problem Statement: CIM IO is the main Aspentech application that connects to the OPC server. There might be cases in which an AT application that requests a significant amount of tags from delta V, will not work and mark the tags invalid. For example, Collect.exe, can request a significant amount of tags at the same ti... | Solution: Make sure the customer has enough license points on the deltva V historian, check on KB
https://esupport.aspentech.com/S_Article?id=000087408, error:
0xC004080B: Exceeded OPC Server license limit. Item not added. On the OPC machine.
After adding new licenses, a restart of the OPC machine might be needed to br... |
Problem Statement: This KB article frames how to use the get transforms feature inside DMC3 Builder. This is useful when updating Master model curves from imported cases, but you don’t want to lose the already specified transform configuration. | Solution: These features are available by right clicking on an input or output variable inside a specific case.
The software will show a message with the current transform to be copied from the master model into the case. Remember that the transform will affect the ID, therefore, you would need to run identify again t... |
Problem Statement: How to change plant capacity by Individual project area in Aspen Capital Cost Estimator? | Solution: Aspen Capital Cost Estimator lets you evaluate alternate plant capacities. When you change plant capacity, Aspen Capital Cost Estimator re-sizes each project component to a desired plant capacity.
User can change the plant capacity for the whole project using the Decision Analyzer. The capacity can be changed... |
Problem Statement: How to change plant capacity in Aspen Capital Cost Estimator? | Solution: Aspen Capital Cost Estimator lets you evaluate alternate plant capacities. When you change plant capacity, Aspen Capital Cost Estimator re-sizes each project component to a desired plant capacity. Unique expert system rules, based on engineering principles, provide the basis for revising the size of every pro... |
Problem Statement: How to add Ductile iron pipe in Aspen Economic Evaluation Tools? | Solution: Ductile iron (DI) pipe is commonly used for water and wastewater applications. The plant bulk model “BPIPDI PIPE” is available under the list of available piping plant bulks in all three EE products. The model is cataloged under “Plant Bulks > Piping > Ductile Iron Pipe” in the component palette and in the “A... |
Problem Statement: How to select round fiber formed foundation type for steel pipe racks in ACCE? | Solution: Round fiber formed pier foundations are occasionally used to support steel pipe racks instead of spread footings or deep pile foundations. The foundation type field to the pipe rack form that let user select between spread footing foundations and round tube formed pier foundations. (TYP vs. PIER).
Keywords: R... |
Problem Statement: What are different types of Excel report options in ACCE? | Solution: User can select different type of Excel report options in ACCE. To modify the type of report that is displayed, open the Tools | Options | Preferences menu.
On the Reporting tab, under Excel report, there are three possible options.
Always overwrite previously run Excel reports will reset the existing workboo... |
Problem Statement: How to change the default location to save the report definition in Aspen Flare System Analyzer? | Solution: User can specify the directories in which to save the report definition for each of the entries in the Report column. This allows user to maintain a range of alternative report definitions for each type of report
On the File | Preferences | Report’s tab, user can change the default location to save the report... |
Problem Statement: How to set default units set for simulation files in Aspen Flare System Analyzer? | Solution: User can fix the default units set to be used for the simulation in Aspen Flare System Analyzer. The available unit sets are Metric, British, Metric_g (for gauge) and British_g (for gauge).
On the File | Preferences | General tab, user can set default units set.
Keywords: Units Set
References: None |
Problem Statement: How to select default pipe material for new pipes in Aspen Flare System Analyzer? | Solution: User can fix the default pipe material in Aspen Flare System Analyzer. The two materials available for selection are Carbon Steel and Stainless Steel.
On the File | Preferences | Default’s tab, user can change default material for new pipes only. In older pipes the preferences are saved with the case and will... |
Problem Statement: How to set default Tee types in Aspen Flare System Analyzer? | Solution: User can select the tee type to be set as a default for all the tees in the model. The available tee types are 90°, 60°, 45°, and 30° tees.
On the File | Preferences | Default’s tab, user can change default values of tee type for new cases only. In older cases the preferences are saved with the case and will... |
Problem Statement: How to select default Composition basis option for each of the relief sources in Aspen Flare System Analyzer? | Solution: User can select default Composition basis option for each of the relief sources. The available composition basis options are Molecular Weight and Mole/Mass Fractions.
Molecular Weight - The molecular weight of the fluid is given. Mole fractions are estimated based upon the list of installed components.
Mole/M... |
Problem Statement: Aspen Utility - How to use “LookUp Table” for HRSG to provide Steam flow vs. Efficiency data? | Solution: For V11:
Right click on the HRSG icon in the flowsheet
Select Forms -> All Variables
Look for EffMethod
Select LookUpTable if the user has Steam flow vs. Efficiency data available.
Five cells for EffTab and FlowTab will be created in the Form as default. The EffTab needs some values for the efficiency of the ... |
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