question stringlengths 19 6.88k | answer stringlengths 38 33.3k |
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Problem Statement: How can a Custom Table be exported and imported between different simulations? | Solution: In order to export a Custom Table, you can right-click on the Custom Table name on the Navigation Pane and select ‘Export' option. When the Save window appears, save this giving it any name. The file will be saved on a .bkp extension format.
Then, in order to import previously saved Custom Table into another... |
Problem Statement: How can I model 3-phase distillation column in Aspen HYSYS? | Solution: In order to rigorously solve a distillation column which has multiple liquid phases, you need to use the Sparse Continuation Solver and select the 2 liquid check on Parameters | Solver.
Then, go to the 2/3 Phase page and enable two phase checking on the trays where two phases were reported. Checking for liqui... |
Problem Statement: The ‘Go to Parent’ flowsheet in the Flowsheet/Modify tab appears disabled for certain files when the following workflow is performed:
1-Access sub-flowsheet in simulation environment
2-Change to Safety Analysis, then back to simulation environment (where sub flowsheet is still displayed).
3-If user ... | Solution: Instead of using the (now disabled) ‘Go to parent’ function, choose to display flowsheet in the View tab. This takes the user back to the main (parent) flowsheet.
Keywords: Safety Analysis, Simulation, Sub-Flowsheet, Parent Flowsheet
References: None |
Problem Statement: When launching the Aspen Tag Browser from the Aspen Process Data Excel 2010/2013, error messages shown in below screenshots may be shown. | Solution: The Aspen Tag Browser requires controls that is distributed with Microsoft Visual Basic 6.0 Common Control. However, either the machine does not have it installed or that the controls are not properly registered.
Scenario 1 - Microsoft Visual Basic 6.0 Common Control not installed
The Aspen Process Data Exce... |
Problem Statement: Server Error: The Collaborative Forecasting server encountered an unexpected condition due to CF database lockup. | Solution: CF Database lockup due to entering incorrect password multiple times can result in Server Error: The Collaborative Forecasting server encountered an unexpected condition.
To fix the error unlock the database and update the new CF database password in DM case files.
Steps to update the CF database password ... |
Problem Statement: When trying to connect to Aspen InfoPlus.21 database in Aspen Tag Browser, the status bar is showing error as per below screenshot. | Solution: The error is due to the ip21odbc.dll not cannot be found or cannot be loaded successfully due to missing dependencies. Aspen Tag Browser is a 32-bit application and it requires the AspenTech SQLplus ODBC driver. As such, it will be using the ip21odbc.dll found in C:\Windows\SysWOW64.
Ensure that the following... |
Problem Statement: How do you enable Software License Manager (SLM) debug logging? (V9) | Solution: This knowledge base will allow you to create a more detailed SLM debug logging which will record and save at a SLM.log file on the C drive. This SLM.log file will record line by line how the SLM is working or not working which will help troubleshoot SLM license issues. Please follow these steps to enable:
1. ... |
Problem Statement: How do the different License States impact the functionality of Aspen Process Explorer V8 and higher? | Solution: This knowledge base article describes the various License States for Aspen Process Explorer V8.x and the impact in functionality for each state.
License Granted: occurs when a license has been granted successfully. In License Granted state:
· Process Explorer provides complete functionality.
License D... |
Problem Statement: Step by step ABE V9 installation instructions | Solution: Installation Prerequisites and supported platforms:
Minimum Hardware Requirements
Computer and Processor: Intel Core-i5 family 2.8 gigahertz (GHz) or faster
Memory (RAM): 8 GB
Free Hard Disk Space: 80 GB
Network: 100 MB/second
Operation System
ABE Client:
Windows 10 Enterprise & Professional (64-bit)
Window... |
Problem Statement: How do the different license states impact the functionality of Aspen InfoPlus.21 V8.0 and higher? | Solution: Starting in version V8.0, Aspen InfoPlus.21 performs run-time license checks. The outcome of a license check determines the License State, which may impact the functionality of InfoPlus.21.
This knowledge base article describes the various License States for InfoPlus.21 and the impact in functionality for eac... |
Problem Statement: The Aspen SQLplus (SQLplus) web reporting tool may give users access errors when attempting to create or save reports. Although the errors may vary, they typically report problems similar to the following:
Error generating report "Test"
Error loading template file: C:\Program Files\Common Files\Aspen... | Solution: The SQLplus web reporting tool uses Microsoft's .NET Framework, which requires the ability to write files to a couple of temporary directories. Specifically, users will need "Read & Execute", "Read", and "Write" permissions to the following directories on the SQLplus web server:
C:\Documents and Settings\<nod... |
Problem Statement: In some DMC3 Builder applications, changes made in the deployment section would not save. Before any changes in this section is saved, the limits for all variables are validated for cross and unreasonable values. Any error in the online settings would prevent any changes to be saved.
Once the Onl... | Solution: Before leaving the deployment section, check the online settings and address any validation error to ensure changes are being saved.
In future releases, a warning message will appear if the online settings have validation error when the user tries to save changes in the deployment section
Keywords: DMC3 Build... |
Problem Statement: Changes made in the Calculation section is not saved even though the project was saved using the save project icon. | Solution: The changes in the Calculation section in DMC3 Builder is not applied to the workspace until the user clicks away from the Calculation and this pop up window show up.
Thus saving the project while still in the Calculation section would not save an "unapplied" changes. Before saving the project, make sure ... |
Problem Statement: IP.21 administrator tool takes too much time to expand | Solution: If KB104998, KB112876 and KB112057 cannot resovle this issue.
Please go to Windows Task Manager and check if there is any abnormal of CPU/Memory occupancy.
In one of my cases, iqtask.exe occupied 17% CPU which impacts IP.21 administrator performance.
The issue has been resolved once we stop TSK_IQ1 from IP.21... |
Problem Statement: Why do I get the warning "Error in Setting: SkedDate, value = invalid datetime" in the Execution log when I run the model in PIMS? | Solution: For some models, when you run them in PIMS, you might see the Warning message in the Execution log:
""Error in Setting: SkedDate, value = invalid datetime"
This message is caused by an exception in a setting in the code. This does not affect the generating or solving of the cases, and has been fixed in V1... |
Problem Statement: How does HYSYS Lee-Kesler method handle steam enthalpy when calcuting the mixture enthalpy. | Solution: The mixture enthalpy is the mole-weighted average of the enthalpy of the dry fraction (calculated using Lee-Kesler) and the steam (using ASME steam tables).
The dry fraction enthalpy is calculated at the system (i.e. total pressure).
For steam, enthalpy is calculated at steam partial pressure for vapor pressu... |
Problem Statement: How Aspen HYSYS calculate the water mole fraction content in the effluent Naphtha stream from the Crude Distillation Unit (CDU)? | Solution: Naphtha is a draw stream from 3-phase condenser. Moreover, the 3-phase condenser is just a column stage and in each stage, Aspen HYSYS will make sure that each of the component flows and the heat flow in and out will be balanced for each stage. Also, for the 3-phase condenser (vapor-liquid-free water phase) a... |
Problem Statement: Does the “Curve Override” option (STCRV) also applies when the controller is in Calibrate mode? | Solution: The STCRV curve override option to enable/disable any particular curve during automated step testing is only applicable when the controller is in Smart Step mode. The selection for this parameter is ignored when the controller is in DMCplus (Control) or Calibrate mode.
Keywords: STCRV
Curve Override
Reference... |
Problem Statement: To run OTS OPC server capabilities, DCOM privileges should be correctly configured. | Solution: AspenOPCSimServer Service is the windows service related to the OPC server activation on OTS. Account used for running this service must have DCOM privileges. To configure DCOM permissions:
Open Windows Component Services and navigate to DCOM folder.
Navigate to AspenOPCSimServer component and open its proper... |
Problem Statement: When running OTS as an application it uses two executable files to setup the dynamic simulation:
AspenHysys.exe
Aspentech.AspenOts.Executive.exe
Unfortunately, these two processes run on the account they were open with, and when logging off from this account they stop. To avoid this behavior, one may... | Solution: To run OTS as a service is necessary to install AspenTech.AspenOts.DeployService.exe on the server.
Run Installutill.exe from a command prompt. This can be found on C:\Windows\Microsoft.NET\Framework\V4.0.30319
The executable to install the service can be found at: C:\Program files (x86)\AspenTech\OTS Framew... |
Problem Statement: How to resolve corrupted ASW files? | Solution: Two types of data corruption possible:
Type 1: When opening the workbook you get the following error:
Caused by crash or error in Excel, ASW or linked simulator while saving the workbook;
Usually not able to recover workbook.
Solution:
Use Verify Workbook Data Before Saving option in Organizer | Applica... |
Problem Statement: How can I import a DBR PVTPro files (*.Pro, *.prox) into Aspen HYSYS? | Solution: The user can add DBR PVTPro files (*.Pro, *.prox) files into the Properties Environment using the PVT Environment inside Aspen HYSYS. It does not require a separate PVTPro reader, but to access this feature the user will need the HYSYS Upstream license.
First enter the Properties Environment and select ‘PVT L... |
Problem Statement: How do I check the mapping reference of a Primary Stream after a simulation file is imported and streams are mapped? | Solution: To check the mapping reference of UO streams mapped to Primary streams, follow the next steps:
1) Open the ABE-Explorer and click on the ‘All Streams’ filter, then right-click on the Primary stream of your interest and select ‘Attributes’.
2) Next, click on ‘Options’ and select ‘Show System Attributes’.
... |
Problem Statement: What can cause the error message "The data base file does not have an entry for this valve, scenario or tank" in Safety Environment? | Solution: The safety environment saves almost all of its information in a Microsoft Access database with the same name as the case file (For example, if the case file is named example.hsc, then the database will be named example.mdb). Therefore, it is critically important to keep the access database in sync with the ca... |
Problem Statement: Aspen watch (V9 and older) does not allow users to build custom KPI using secondary parameters such as the PV High range parameter (AW_PVH) , proportional gain (AW_DBL1), etc. from PID Loops. Consider an example where a user wishes to map the AW_PVH field of a PID Loop record to a variable in the cus... | Solution: To use the AW_PVH parameter in a custom calculation, the user would first need to locate the parameter in the IP21 database using InfoPlus.21 Administrator. We will use the PID loop FC-D2BTM to illustrate the procedure in this KB.
Open IP21 Administrator, and locate the FC-D2BTM record ... |
Problem Statement: Does the hydrate formation analysis support high pressure systems? | Solution: The Hydrate Formation Analysis in Aspen HYSYS is able to handle a variety of pressure values, providing reasonable results with its default model Ng & Robinson. The accuracy of the model, however, may be compromised when applied to very high pressure regions (higher than 1000 bar).
Recent work developed by P... |
Problem Statement: How do I set up a Separator to see electrolytes results on the Worksheet | Electrolytes page of the product streams? | Solution: In Aspen HYSYS V9.0, to see results on the Worksheet | Electrolytes page of the product streams of a separator, follow the next steps:
1) Create an Aspen Properties Component List.
2) Create an Aspen Properties Fluid Package.
The Property Package must be a thermodynamic model capable of supporting elect... |
Problem Statement: What is the best way to use a response curve from another model to update a model in APC and DMC3 Builder? | Solution: 1) Import the model or application into the project and put it on the Workspace (APC Builder only).
In case of DMC3 Builder, import the model file into the controller case view.
2) Navigate to the model of the controller (Identify for APC Builder)
Click on Master model for DMC3 B... |
Problem Statement: In the calibration mode of the FCC reactor, how does the product sulphur content gets calculated | Solution: In the calibration mode the sulphur content is calculated according to the following equation:
Prod_Sulphur = Feed_Sulphur * parameter * (Feed Sulphur Multiplier + Conversion * Conversion Multiplier + Riser Temperature * Riser Temperature Multiplier + Processed Sulphur * Processed Sulphur Multiplier).
The par... |
Problem Statement: What are AspenTech's recommendations on excluding folders on machine running Aspen Engineering products from virus scanning? | Solution: AspenTech recommends excluding the following folders and directories on any machine running Aspen Engineering products from virus scanning-
1. \Program Files (x86)\AspenTech\
2. \Program Files (x86)\Common Files\AspenTech\
3. \Program Data\AspenTech\
4. \inetpub\wwwroot\AspenTech\
Keywords: An... |
Problem Statement: When a Datasheet is closed, how can I know which is the page where Field ‘X’ is found when the message ‘Should sketch in Field ‘X’ Named Range be saved?’ is displayed? | Solution: If a sketch page has been opened, when the datasheet is closed the user is prompted ‘Should sketch in Field ‘X’ Named Range be saved?’ for each sketch page opened in the datasheet, even though when no changes have been made to the sketch.
Now, to know which is the page where Field ‘X’ is found, the user may s... |
Problem Statement: How do I install and configure my standalone license for V8.x? | Solution: Please follow the instructions below to install and configure your standalone license file for aspenONE V8.x.
NOTE: If you are using aspenONE V7.3 and lower, refer to KB 121648.
If you are installing a license that is locked to a Dongle, please refer to KB 142303 for Dongle Driver installation instructions.
T... |
Problem Statement: Data cannot be exported to EDR from ABE through the Thermal Design interface, even though both ABE and EDR are locally installed on the PC and EDR works properly. How can I resolve this issue? | Solution: This problem might be caused by an incorrect set version of EDR, which is not the same version as ABE. This is likely to happen when there are multiple versions of EDR and ABE installed on the PC.
The following procedure might resolve this issue:
1) Verify that ABE-Explorer is pointing to the correct ... |
Problem Statement: Performing Virtual machine snapshots while controller is running could lead to controller turning OFF. It is recommended that users should prudently avoid enabling virtual machine snapshots when the controller is running. Also please note that automated virtual machine snapshots are not a recommended... | Solution: When the VM snapshot event occurs the controller continues to run with invalid inputs due to a timeout in the communications. The invalid values for all of the inputs would cause the controller to turn OFF. This is the correct behavior because if all of the inputs come in with invalid values, the controller c... |
Problem Statement: Why does Aspen Exchanger Design and Rating (EDR) asks for the End length as rear head input value, when you specify the Location of Nozzle at U-Bend: Before u-bends?
However, if you set the Location of nozzle: Over u-bends/Beyond U-bends, EDR automatically defines the End length as rear head value ... | Solution: End Length at Rear Head (RI) is defined as the distance from the end of the tube to the center of the nearest flow baffle. If this value is set as zero, the program consider that the last baffle is at the tangent with the U-bends, but in reality, it will never happen.
If the nozzle is over/beyond the U-bend e... |
Problem Statement: How do you determine the choke flow in a valve in Aspen HYSYS? | Solution: The valve in Aspen HYSYS indicates the choke flow status in the under Rating | Flow Limits page. To determine the choke flow, you can perform a case study with a range of pressure drops. Follow the steps below for choke flow calculations.
Enter the valve size or calculate the size of the valve based on flow r... |
Problem Statement: Cannot find the ‘DataServices’ folder where the ‘Broker.ini’ file is located. This folder was not installed. Why? | Solution: If the ‘DataServices’ folder is not located under ‘C:\Program Files\AspenTech\Basic Engineering VX.X’ (VX.X refers to the version being used), then it will not be possible for the user to set up the ‘Broker.ini’ file and therefore to either create or manage workspaces. This is likely to happen when the Aspen ... |
Problem Statement: How to simulate a pigging system in Aspen HYSYS Upstream Dynamics? | Solution: You can simulate a Pigging System with Aspen Hysys Upstream Dynamics once your pipeline system is defined in the Hydraulics subflowsheet in dynamics mode. For more information about the Hydraulics subflowsheet, please see Article 120976.
Please follow the next steps to configure the pig in your model:
1. R... |
Problem Statement: How do I report the individual heat transfer coefficients for a pipe segment in Aspen HYSYS? | Solution: In order to estimate the individual heat transfer coefficients, the Aspen HYSYS pipe segment, double-click on the desired pipe and go to Rating |Heat Transfer| Estimate HTC.
Check the Heat Transfer Coefficient Estimation boxes accordingly to your needs:
Include Pipe Wall: accounts for conductive HTC for pip... |
Problem Statement: When specifying the Particle Size Distribution (PSD) for a solid component in an inlet stream, the CI Solid tab still appears as incomplete and shows the error:
SUBS-ATTR not complete: SATTSUB = CIPSD
Upper limit of last interval of selected PSD mesh cannot be greater than upper limit of last interv... | Solution: In some simulations, you might want to have two or more particle size distribution definitions, with different size ranges. This is useful if different sections in your flowsheet have very different particle sizes. You can add and modify particle size distributions using the Setup | Solids | PSD sheet, or dir... |
Problem Statement: How do I connect the same stream to multiple unit operations in Aspen HYSYS? | Solution: When working in Aspen HYSYS, go to File | Options | Simulation tab | check box “Allow multiple stream connections” in General Options. Then you will be allowed to connect one single stream to multiple objects (see figure below).
Keywords: Connect, Objects, Unit Operations, Stream, Multiple.
References: None |
Problem Statement: Why do I get two fluid packages when importing petroleum assays created in previous versions? | Solution: When you import on a new file of Aspen HYSYS V9 a petroleum assay file (*.afam) created in a previous version, and you choose the component list when prompted (i.e. Assay Components Celsius to 1150C), you will notice that two basis are created: Basis-1 (with the component list selected) and Basis-2 (with comp... |
Problem Statement: This solution provides an introduction to a new OSI PI OLE DB interface that will allow users to connect AspenTech software to the OSIsoftPI historian. | Solution: The OSI PI OLE DB interface is a new process data interface to connect AspenTech software to the OSIsoftPI historian.
The interface uses the OSIsoftPI OLE DB Enterprise component to access PI database, which must be installed on the same platform as the ADSA. It installs the following providers:
PI OLE DB Pro... |
Problem Statement: Wax deposition is one of the many flow assurance challenges to the oil production. Wax is common in the crude oil produced around the world. Wax can precipitate and deposit on pipe walls, causing higher pressure drop. Untreated wax deposition may lead to reduced flow, blockage, or loss of production.... | Solution: Using the Aspen HYSYS to:
Model the pipeline pressure drop
Identify the wax deposition thickness and rate
Evaluate the appropriate timing for pigging operation
You will learn to:
Leverage Wax Deposition tool in Aspen HYSYS
Tune the wax model using field or lab measurements
Monitor the wax deposition thickness... |
Problem Statement: When sizing a valve, I get a warning message “Unable to size the valve… Flow rate through valve is excessively high for the pressure drop” | Solution: When you add a pipe with a valve and calculate the size with the given total pressure drop for the valve and the pipe included in the valve, the sizing will take the pipe into account. The size (Cg) will increase as you increase the length of the pipe. The sizing algorithm calculates a Cg with the given pres... |
Problem Statement: Why do I get two fluid packages when importing petroleum assays created in previous versions? | Solution: When you import on a new file of Aspen HYSYS V9 a petroleum assay file (*.afam) created in a previous version, and you choose the component list when prompted (i.e. Assay Components Celsius to 1150C), you will notice that two basis are created: Basis-1 (with the component list selected) and Basis-2 (with comp... |
Problem Statement: This solution provides an introduction to a new OSI PI OLE DB interface that will allow users to connect AspenTech software to the OSIsoftPI historian. | Solution: The OSI PI OLE DB interface is a new process data interface to connect AspenTech software to the OSIsoftPI historian.
The interface uses the OSIsoftPI OLE DB Enterprise component to access PI database, which must be installed on the same platform as the ADSA. It installs the following providers:
PI OLE DB Pro... |
Problem Statement: Where is the location of the Standalone License Key in aspenONE V8.0 ? | Solution: AspenTech Released aspenONE V8.0 in December 2012. There is a change in the location of the Standalone License keys in this version.
Earlier versions of AspenTech Solutions before aspenONE V7.3.2 required standalone license file to be installed or copied in the folder C:\Program Files\Common Files\Hyprotech\S... |
Problem Statement: What is Reliability and what is its index of measure? Demonstrate with a simple example. | Solution: Reliability is the probability that an item will perform its intended function for a specified interval under stated conditions. Quantitatively, Reliability is defined as an exponential function of inverse mean time before failure (MTBF) and time of measure as shown below.
Where t = time, λ = failure rate (1... |
Problem Statement: How can I save a *.bmp (bitmap) image in a sketch field when using the Excel Datasheet Editor? | Solution: The Excel Datasheet Editor allows users to add *.bmp images in sketch fields; nevertheless, the only way to save a *.bmp image in the sketch field is to embed such *.bmp in a Word document. Otherwise, when closing the Workspace, the following warning message will be displayed:
To embed the *.bmp image:
Create... |
Problem Statement: Define Availability, Maintainability, Operability and Deliverability in AFR. | Solution: Availability is defined as the total time a system is in an operative state. The total time in the operative state (Uptime) is the sum of the time spent in active use.
Availability = Uptime / (Uptime + Downtime)
Downtime consists of active repair time, preventive maintenance time, administrative time and logi... |
Problem Statement: I am getting the following error when I try to open the flow diagram in Visio:
"Error during data import. When Visio opens, save the Flow Diagram and exit Visio. If errors continue then contact Vendor with this error message in its entirety. 3021"
When I open and save the Visio file as the error reco... | Solution: This issue is observed when you use a Main Layer FFD pipe inside a Unit Diagram. To fix it, delete all unit diagram module connections from each unit. Note that the pipes can also be resized to look like connectors so it is better to delete all the connections than trying to find the odd pipe and delete it. R... |
Problem Statement: How to resolve Configure Form error for RCSTR model in Aspen Plus Dynamics V9.0? | Solution: The problem is the form cannot fill in values before knowing the inert component. The workaround is to make sure the inert component is set. To do this,
1 - Open the configure form of the RCSTR block
No values are set here.
2 - Now, uncheck "Specify pressure" and "Specify temperature".
3- Close the form
4... |
Problem Statement: In V8.8 and below, Aspen Plus included two types of stream reports – Default and Custom. Each option had certain strengths and weaknesses but neither was a complete solution. In V9 and above, these reports have been replaced with a new, unified stream report that is easier to use, more flexible, fast... | Solution: For a quick solution to creating a stream report identical to the old version's types please find attached to this article a template file which can be imported to Aspen Plus V9 and above. The attached stream results template file (FULL_V8.8_AT.apsst) will create a stream summary identical to the "Full" templ... |
Problem Statement: Jump Start: Acid Gas Cleaning in Aspen HYSYS V8.3 | Solution: This Jump Start guide is a great starting document to learn more about the new Acid Gas Cleaning functionality in Aspen HYSYS V8.3, and to learn more about the workflow of setting up a case. The file goes through the steps that can be taken to build a full flowsheet from scratch for a typical Acid Gas Cleanin... |
Problem Statement: What is the difference between the two Pressure Flow Model methods for a Relief Valve in Aspen HYSYS V9.0? | Solution: The Pressure Flow Model group in the relief valve has two models: Cp/Cv and HEM.Â
Both Cp/Cv and HEM models derive from the same first principles equation i.e the isentropic nozzle equation. The difference between the two is that the Cp/Cv method has an additional assumption for the ideal gas (i.e. pv^k = co... |
Problem Statement: Applicable to machine with multiple Aspen Exchanger Design and Rating (EDR) versions installed. If an older version of EDR (ex. V8.8) is set, HYSYS V9 will crash when launched. | Solution: Make sure to set the version of EDR to V9.0 whenever you need to use HYSYS V9.0.
Use Aspen EDR Version Control Utility tool to change to the required version.
You can find the tool at Start Menu | All Programs | AspenTech | Aspen EDR | Set Version - Aspen EDR V9.0.
When setting the version of EDR, make su... |
Problem Statement: How do I hide the Column Internals icon shown in the left side of my column in V9? | Solution: The Column Internals icon allows you to enter to the new Column Sizing in V9. This is always shown on the left side of your Column in the PFD.
When you double click on it, you will see the Internals tab of the Column editor.
If you want to hide this icon from the PFD, please go to File | Options | Equipment p... |
Problem Statement: You may need to uninstall all existing Aspen products on the machine silently. This article provides a sample script to do it in a CMD popup. | Solution: Rename attached file from UnattendedUninstall.vbs.txt to UnattendedUninstall.vbs
Copy UnattendedUninstall.vbs file to C:\temp folder
Close all aspen applications
Run the following command with “Run As Administrator”
cscript UnattendedUninstall.vbs
Wait until you can see C:\temp
... |
Problem Statement: Process Graphics can be embedded in Excel directly, below article gives you a example.(Excel 2010 + V8.8) | Solution: 1- Modify settings in excel
a) Open excel
b) Go to File -> Options -> Trust Center -> Trust Center Settings??
c) Modify ActiveX Settings , Message Bar and macro settings as below
2- Create graphic control in Excel
a) Go to developer menu -> insert->more controls
b) Doub... |
Problem Statement: What is Aspen Flash method? How can we use it in Aspen HYSYS? | Solution: In Aspen HYSYS, the default flash method is HYSIM Flash method, which is reliable in most situations. However, there may be situations where HYSIM Flash does not converge or converges to the wrong solution. In that case, Aspen Flash, which is used in Aspen Plus, provides an alternative that may help overcome ... |
Problem Statement: Why do I see a dTmin violation when using Recommended Design? | Solution: The Recommended Design tool gives you software-generated designs. It does not follow the Pinch Design Method rules, but it tries to come up with networks that have minimum total cost index. It does not maintain specified dT minimum. It may violate deltaT minimum if it is justified by cost. Therefore, you shou... |
Problem Statement: How do I find the build number of the Aspen HYSYS simulation case? | Solution: In Aspen HYSYS V9 there is a new type of File Open dialog called "HYPROTECH file picker" added. This is available under File | Options. Refer the screenshot below.
With this new File Open dialog the user will see the build number of the original HYSYS file as shown below.
Keywords: File Open Dialog, HYPROTECH... |
Problem Statement: When using standalone license for HYSYS and commuted token license for HYSYS Dynamic, HYSYS Crude etc.
you may get below error message to open HYSYS Dynamic/Crude model
Error_while_checking_out_license_(AEA_HYSYS_Dynamic) 1000
no-net(default,SLM) -939519994
no-net(default,SLM) -939519994
SuppressBr... | Solution: The standalone license file has one user of SLM_Pool and it has caused the issue in the case of standalone license and commuted license combinations.
Workaround: Before the problem is being fixed, please request for an updated standalone license.
Go to https://esupport.aspentech.com/apex/S_LicenseRequest
Req... |
Problem Statement: In rare instances the Aspen IP.21 Process Browser (formerly known as Web.21) controls do not install automatically when a client is prompted to download and install them and the following error message may be returned:
"Component download/registration failed! - Please check your registry/security set... | Solution: Obtain a copy of the Web21Controls.cab file and AtWebControls.cab (on the Web server at: .. \Inetpub\wwwroot\AspenTech\AspenCUI\) and place them on the client machine. Unzip the cabinet files and copy the content files to their corresponding directories as shown in the batch files attached to this solution (s... |
Problem Statement: How can I import Crude description while importing assays into APS? | Solution: This was implemented in 8.4 CP9 (CQ00545106) and this can be used for v8.8 and v9 onwards. In the EIU template, you could add an extra field “APS_DESC” as below:
And put in the description of the APS crude. This description should be imported to the CRUDES table.
Keywords: None
References: None |
Problem Statement: CIMIO Manager Service is not able to start with error 1067: The process terminated unexpectedly. | Solution: If KB104913, KB120336 and KB142520 cannot resovle this issue.
Please check services file which is located at C:\Windows\System32\drivers\etc.
You should see “CIMIOManager 7777/tcp” in services file
If CIMIOManager entry missing, please add it manually.
If there is something wrong with the format of CIMIOManag... |
Problem Statement: A way to make the full screen display for A1PE graphic | Solution: The Graphic paremeter can be used to make graphic full screen.
For Example:
There is a graphic which has been published to Files | Public | chengcheng folder
1.Open below link from browser
http://<A1PE server>/processExplorer/webcontrols/pbgraphics.asp?outsidea1=graphic&file=Public/chengcheng/Atmospheric.jso... |
Problem Statement: Why the Aspen Infoplus 21 historian turned red and could not be started manually, in Aspen Infoplus 21 administrator tool?
Or
The archive process for repository is stopped and could not be started manually? | Solution: This article describes the steps to be followed in case the Aspen InfoPlus21 historian stops (turns red), in Aspen InfoPlus21 administrator tool.
1. Try to perform Manual restart - On IP21 administrator, right click and select "start". The repository should start normally and the colour will be changed to gre... |
Problem Statement: aspenOne Engineering Suite installation fails, installer window crashes after the agreement. | Solution: Replace the aspenONEEngineeringV9.msi and aspenONEEngineeringV9_x64.msi files with new ones in the attachment.
Keywords: aspenONEEngineeringV9.msi
aspenONEEngineeringV9_x64.msi
Crash
References: None |
Problem Statement: Steam Ejector Extension Unit Op | Solution: This unit operation extension computes the pressure increase or motive gas requirements for a steam ejector.
Note: This Automation application has been created by AspenTech as an example of what can be achieved through the object architecture of HYSYS. This application is provided for academic purposes only a... |
Problem Statement: Based on solution article (KB 000031357 aspenONE V9 Localization - Product & Language Matrix) knowledge, Chinese or Russian Language Pack V9.0 for Engineering products can be installed. How can user switch the Aspen Plus and HYSYS display language between English and localized language after Language... | Solution: After Engineering products Language Pack V9.0 is installed, user can use “Select Aspen Language Utility V9” to choose the display language of Aspen Plus and HYSYS. This utility can be found at:
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\AspenTech\Process Modeling\Select Aspen Language Utility ... |
Problem Statement: How to define spherical Pot geometry? | Solution: Currently there is no direct option to define spherical pot geometry. Please follow this workaround to define spherical pot geometry. Please go to Pot Geometry > Main form:
Please chose both “Head” and “Bottom” Head type as “Hemispherical”
Please input “Height/Tangent to Tangent Length of Pot” as zero.
Please... |
Problem Statement: If an APC application loses connection to the license server, the below error message will be issued.
Unspecified Error: Server: "XXXX (default,SLM)" returned error: "5. Network license server is not running on the specified machine"
APC controllers (v8.4 or later) will continue ot run through the gr... | Solution: In V8.0 and earlier, APC applications (controller, IQ, and composite) reacquires a license every hour. If the hourly license checkout fails due to the network error or an unresponsive license server, the application will continue to try to access the server, causing it to skip the rest of the cycle. As a res... |
Problem Statement: How can I access Aspen Process Manuals from aspenONE Exchange? | Solution: From Aspen version V8.8 onwards you can directly access Aspen Process Manuals from aspenONE exchange by using Aspen Plus or Aspen Hysys. For that you need to go to Resources tab in Aspen Plus/Hysys | All Content | Literature:
Kindly note that 6 tokens will require extra for Aspen Process Manuals from which ... |
Problem Statement: Why I’m getting inaccurate results in ‘Azeotrope Search’ option for some binary pairs? | Solution: For simulation studies, it is necessary to do properties analysis before you are going to build the flowsheet. You need to check the availability of parameters, non-ideal behavior of components for various operating conditions along with selected thermodynamic model and validate the results.
In Aspen Plus sim... |
Problem Statement: PR-BM or RKS-BM is used for high temperature process, what is the reason? | Solution: General alpha function for conventional EOS like PENG-ROB or RK-SOAVE can be described as quadratic equation of Tr^0.5 term.
General Alpha function for PENG-ROB and RK-SOAVE.
But in very high temperature like T > 2Tr, alpha function is increasing.
Which means that despite the distance between molecule i... |
Problem Statement: How to convert Oil Manager stream properties to Petroleum Refining Assays.
Both Oil Manager and the Input Assay forms are useful when user wants to model a petroleum fluid using discreet hypothetical components. | Solution: In the simulation environment, when Oil Manager is used and icon of little black drop inside a red circle will show above the feed stream.
To convert Oil Manager stream to Petroleum Refinin... |
Problem Statement: How do you create a heating or cooling curve for a fluid that contains two liquid phases? | Solution: A number of Aspen Plus unit operations allow for the creating of an optional heating curve. If the option is available, there will be a folder for the Block called HCurves. To predict two liquid phases, a vapor-liquid-liquid, vapor-liquid-freewater, or a vapor-liquid-dirtywater flash should be used for the fl... |
Problem Statement: How to access the Aspen HTFS Research Network | Solution: Starting from V8.8, the Aspen HTFS Research Network is available through aspenONE Exchange.
The Research Network makes a vast amount of accumulated knowledge, on process heat transfer, readily available from the engineer's desktop. Available resources are:
Handbook
A comprehensive reference to heat exchange... |
Problem Statement: Installing the Microsoft Excel ribbon-based Aspen InfoPlus.21 Process Data COM Add-in produces the error message "AspenTech.PME.ExcelAddin.ProcessData.dll is not a valid Office Add-in." | Solution: To work around this problem:
1. Make sure you have read/write access to the registry. The COM-based add-ins modify registry settings.
2. Check for the file Microsoft.office.interop.excel in C:\Windows\Assembly. If this file is not there, go to Microsoft's web site and download the file depending on ... |
Problem Statement: Other Aspen IP.21 Process Browser pages are able to successfully connect to datasource(s), but the Tag Search page displays the warning: Server: <not available>. | Solution: The <not available> error is usually a permissions issue that can be corrected by adjusting the virtual directory settings. Verify that the Aspentech/Tools, Web21 and MSADC virtual directories have matching Directory Security settings.
After making changes stop/start IIS using the IIS Admin service.
Keywords:... |
Problem Statement: How do I set up a Sensitivity Analysis tool in Aspen Plus EO | Solution: Solution 131058-2 How do I use Sensitivity Analysis tool in Aspen Plus EO mode similar as in Sequential Modular SM? has a procedure to run several EO cases automatically in a similar fashion as in SM mode using a script.
Here you can find an example to modify the script and run several different iterations ... |
Problem Statement: What is the Recycle Efficiency value used in BLOWDOWN utility in Aspen HYSYS? | Solution: There is no recycle efficiency concept in BLOWDOWN.
BLOWDOWN has a liquid HC and vapour HC "zone". Within this zone, the heat transfer and mass balance are rigorously determined for each zone. The two phases are not required to be in equilibrium.
In the Depressuring Utility, the Recycle Efficiencies set how ... |
Problem Statement: How to troubleshoot Aspen Properties Database (APED) connection issues.
Description: When running a product that uses Aspen Properties, such as HYSYS, Aspen Plus, and Exchange Design and Rating, you may receive an error that the databases failed to initialize. This happens when the connection from ... | Solution: The link issue is associated with the installation of Aspen Properties and the SQL Server engine.
Due to different security settings on different machines, the installation is not uniform and the user will get the above error message.
The following guidelines will help troubleshoot the linkage issue with Aspe... |
Problem Statement: This Knowledge Base article provides steps to resolve the following issue:
Daily scan of All Files and Tags returns zero tags when AFW Security is in place. | Solution: The request to scan data must be made under a user’s context who has privileges to read the data. In aspenONE Search V8.5.5 and 8.7, the Dispatch Service makes a call to the aspenONE Scheduler when Start Scan is clicked on the All Tab to invoke Scan All Data, but the aspenONE Scheduler doesn’t invoke the sca... |
Problem Statement: What can cause TSK_DETECT to fail possibly with the message "GETDB: InfoPlus.21 Database Synchronization object has not been defined" in TSK_DETECT.out? | Solution: Look in the repeat area IO_#TAGS for TSK_DETECT and verify that each device listed in the IO_DEVICE column is a valid redundant Aspen Cim-IO logical device. Delete any invalid devices you may find.
In the example below, the non-existent logical device Garbage causes TSK_DETECT to abort.
Keywords: Redundant
T... |
Problem Statement: There are two format for Aspen SQLplus report. One is HTML, the other is Excel.
The automated report will be saved in C:\ProgramData\AspenTech\SQLplus\output folder by default
If you select HTML as report format. Sometimes, mht file is generated instead of html file, why? | Solution: If report contains an image, mht file is the only format for composing multiple parts as an entirety. If no image in the report, html file will be generated.
for example:
"my report" contains an image in the report, so mht file is generated.
"my report1" does not contain any image in the report, so html fi... |
Problem Statement: In APS, How to resolve the Run-Time error 50034- Method 'export' of object '_VBComponent' failed in Excel ?
This error is caused by the following steps:
Simulator > Reload Simulator
Error Run-time error ‘50034’
The screen-shot below shows the error message: | Solution: This refers the setting of VBA Macro defined in Excel of APS i.e. Units.xlsHere are the suggestions to resolve the issue.
1. Please make sure the working folder for APS (include all the sub-folder) has the writing access, also the attributes for the folder (include all the sub-folder) is not Read-only.
2. If ... |
Problem Statement: If moving an Aspen CIM-IO server to another domain, what configuration changes, if any, need to be made? For example, suppose the Aspen Cim-IO server will be moved from a business LAN to the process LAN. | Solution: If the name of the Aspen Cim-IO server will remain the same after moving from the business LAN to the new process LAN, there should be no configuration changes needed. If the name of the Aspen Cim-IO server does change the cimio_logical_devices.def file the IP.21 server will need to be modified to reflect the... |
Problem Statement: CIM-IO provides a way to convert values coming from OPC/DCS/PLC source before this can be actually written into IP.21 database, this can be done through the use of IoEuConvDef records. This solution gives example on how to use these records to filter values that could be above or below specific limit... | Solution: CIM-IO user guide on (Chapter 8 The Cim-IO Engineering Units Conversion Record) gives the formula by which conversion is done using parameters defined on a IoEuConveDef record:
This formula is just a linear conversion between values and conditions for upper and lower limits are also included. Since this is ju... |
Problem Statement: What is the purpose of the Aspen Cim-IO configuration utilities? | Solution: AspenTech introduced two configuration utilities for Aspen Cim-IO that incorporate functions previously found in a variety of Aspen Cim-IO configuration methods.
The Cim-IO Interface Manager is run on the Cim-IO interface system and used to configure the interface. The manager contains templates for all the ... |
Problem Statement: Can anti-virus software such be run on a server running Aspen Cim-IO? | Solution: Aspen Cim-IO files including list files, store queues, and log files should be excluded from virus scanning.
Aspentech recommends excluding the Program Files (x86)Aspentech\Cim-IO, and ProgramData\Aspentech\Cim-IO folders from virus scanning. In addition to any custom Store Queue folders that are defined.
T... |
Problem Statement: Gas-Oil Ratio (GOR) HYSYS Extension for the Characterization of Reservoir Fluids
Note: Works in version 2006.5 and above | Solution: Gas-Oil Ratio (GOR) Aspen HYSYS Extension is a useful unit operation to characterize a reservoir fluid. It provides an alternative to using either PVT analysis tools or the use of black oils to characterize reservoir streams that contains a mixture of oil, gas and water.
It can be used in one of two ways:
1... |
Problem Statement: How does Aspen HYSYS obtains the values of the Heat of Combustion for hypo components? | Solution: Different from pure components, the heat of combustion values for hypo components cannot be retrieved from a database, since their properties are usually obtained from distillation data.
Aspen HYSYS currently does not estimate the heat of combustion for hypo components that are defined by the user or generat... |
Problem Statement: How to customize the original SYS.ILB delivered with Aspen Plus to include customized INSERT files.
Found in versions 9 and above. | Solution: The procedure to update sys.ilb (delivered in the .....AP100/xeq directory) is to use MAKEINS to rebuild it in a working directory with the Aspen Plus inserts (delivered as self-extracting executable extr_ins.exe in AP100/xeq or update directory) plus any additional insert files from the customer.
Run the sel... |
Problem Statement: How to register MSRDO20.DLL file. | Solution: Please make sure you have the MSRDO20.DLL file in the following path: “C:\Windows\SysWOW64” for 64-bit OS and “'C:\Windows\system32” for 32-bit OS.
Find the CMD and right click the icon, select the “Run as administrator”
Then input the code: regsvr32 "C:\Windows\SysWOW64\MSRDO20.dll" shows like below:
... |
Problem Statement: Flue gas after the furnace or reactor often has a high temperature and the gas is cooled down its temperature by quenching cold water.
Temperature control of quench tower is important. If the temperature is not cooled enough, this gas will impact next process.
For example, the purpose of quench towe... | Solution: First, gas stream is fed into the column's bottom stage and this gas is saturated with water.
Water saturation can be done by 'Water Saturation' Block.
30 ℃ of Quench water is fed into top stage of the column and it is cooling hot gas by direct contact.
Second, heated quench water then is running out of the ... |
Problem Statement: HYSYS Stream Reporter (HSR) Version 1.63 | Solution: The latest version of HSR is Version 1.63. Last updated July 27th, 2016.
HYSYS Stream Reporter (HSR) is an Excel spreadsheet utility that allows material stream conditions, properties and compositions to be easily reported onto a spreadsheet, it also enables streams in different cases to be conveniently com... |
Problem Statement: Webinar: "Areas and Report Groups in Aspen Capital Cost Estimator". | Solution: This Seminar was given on March 26, 2013 to the Economic Evaluation Online Community. ?. This webinar covers how to ?Effectively use ?Areas? and ?Report Groups? within Aspen Capital Cost Estimator to define and execute a layout plan for a project.? It covers creating, specifying, deleting and reporting for t... |
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