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Problem Statement: A question is sometimes asked of Support: How many tags per second can the Aspen InfoPlus.21 Historian handle? Can the Historian be overloaded? Can data be lost? The answer is yes, at some point, there is a threshold where the historian simply can't keep up anymore. But, most likely, the IP.21 histor... | Solution: A lot of factors affect the performance of history: how much memory, how fast disks are, number of repositories, number of tags per repository, scan rate, etc. When a user thinks that history data may be missing, most likely the data is in the history queue, but may not be viewable for a period of time makin... |
Problem Statement: What is the maximum number of Aspen InfoPlus.21 points? | Solution: Any record in the database that can hold a history repeat area is considered to be a point.
It is possible to have just over two million points if the machine has enough virtual memory. If history is turned on the amount of virtual memory is reduced allowing fewer points.
It is recommended to not have mo... |
Problem Statement: How to determine, through an Aspen SQLplus query, the number of cache buckets in an Aspen InfoPlus.21 history repository, along with the number of points which will be historized for that repository? | Solution: Please execute the query, which is included in the attachments for thisSolution, using the Aspen SQLplus Query Writer. It is also included below as a reference (some sections have been color coded in case it is helpful)...
----------
local ats, objRepos, objReposCollection;
local ActFileSet int;
Local Numt... |
Problem Statement: When trying to connect to the default Aspen Local Security Server URL, http://localhost/AspenTech/AFW/security/pfwauthz.asp, users get The page cannot be found followed by http Error 404 - File or directory not found messages. | Solution: Microsoft Internet Information Service (IIS) had Active Server Pages disabled.
To correct this, open Internet Information Service Manager (IIS) and under Active Service Extensions and change Active Server Pages from Prohibited to Allowed and then reset IIS.
Once this is changed to Allowed then the security ... |
Problem Statement: How to override the FIR model for Aspen Inferential Qualities that uses .mdl file (FIR) | Solution: The Aspen IQ application that was built with a FIR model with have 4 model parameters that can be changed in the Aspen Production Control Web Server (this can done only with an 'Engineering' access level):
- Model Gain, MDLGAIN
- Model Dead Time, MDLFILTDT
- Model Filter Tau 1, MDLFILT1
- Model Filter Tau 2, ... |
Problem Statement: This article describes in detail the procedure to upgrade Aspen CIMIO server from one version to higher version. | Solution: The upgrade of Aspen CIMIO could be either on the same server hosting an older version of the software or on completely new server.
In both the cases, backup of below files from existing server hosting Aspen CIMIO should be taken:
CIMO logical device definition file
Windows services file
Scenario 1 - Aspen CI... |
Problem Statement: How are NodeIds constructed by the InfoPlus.21 OPC UA Server for measurement nodes in the DA branch or IP_INPUT_VALUE node in the RAW branch? | Solution: We will demonstrate with an example of how the NodeIds are constructed by the InfoPlus.21 OPC UA Server for the Measurement Nodes in the DA branch or IP_INPUT_VALUE node in the RAW branch.
Here we have used IP_AnalogDef::ATCAI record in InfoPlus.21 for reference.
The NodeId is generated using a sequential com... |
Problem Statement: How have integer variables changed for 64-bit code? | Solution: Starting in V11, Aspen Plus is compiled as a 64-bit program and user models must also be compiled as 64-bit code. All compiled user models must be re-compiled for Aspen Plus V11.
In 64-bit Aspen Plus, INTEGER variables are now 64-bit integers. We use the non-default /integer_size:64 option. For writing inter... |
Problem Statement: What do the messages
ARCHIVE: Active/prime mismatch 2 a=175 p=174 t+123
store_event store_history failure 2
program shutdown
that appear in the file error.log for a repository mean, and how can I correct the problem so I can start my repository? | Solution: You can see these messages when trying to insert old historical data for a point.
In the message ARCHIVE: Active/prime mismatch 2 a=175 p=174 t+123,
a is the active file set number for the repository,
p is the file set number containing the most recent data for point,
and t+ i... |
Problem Statement: How can Aspen SQLplus be used to insert multiple analog tags into Aspen InfoPlus.21 (IP.21)? | Solution: 1. Download the tags.csv file in the attachments of thisSolution
2a. Copy the file to C:\temp
-- OR --
2b. Modify the SQLplus code below to accommodate the location where you have placed the tags.csv file
3. Use the following SQLplus code in the Aspen SQLplus Query Writer:
INSERT INTO IP_AnalogDe... |
Problem Statement: -
How to check if Data Lookback has been turned on in an Aspen Mtell equipment set? | Solution: -
There is no direct indicator of DataLookback applied to specific Equipment Set or Sensor in Mtell Agent Builder. The best way to know this is by exporting the Equipment Set profile as below:-
1) Open Aspen Mtell Agent Builder and select the Equipment set in focus (1) in the Machine Learning Tab
2) Click E... |
Problem Statement: How do I disable the default credentials for the Tomcat server?
Sometimes a user may want to disable the default security options used by Tomcat server. This can either be done by setting a different password to the default “admin” account or creating a new account with its own password using the ste... | Solution: Search Windows for AspenOne Credentials
Under the Search Engine Configuration tab, check the Tomcat Basic Authentication for Search Security check box.
In the User Name input box - Type in the username of your choice
In the New Password input box - Type in the password of your choice
In the Confirm Password ... |
Problem Statement: How to resolve the error “Number = -2147217900 Description=ORA-01735; Invalid ALTER TABLE option” received in APEM database wizard during migration for Oracle Database? | Solution: The problem is with the constraint statement in the migration script “ALTER TABLE EBR_USER DROP EBR_USER_KEY2”. This issue is approved for a fix in V12.0.
For V11.0.1, the workaround would be a simple text change in the DB wizard file.
The workaround would be:
Locate the file in the DB wizard installation: EB... |
Problem Statement: Is it possible to retrieve Aspen InfoPlus.21 (IP.21) history data using an OPC UA client? | Solution: Yes! When a connection is made via an OPC UA client to IP.21, browse down through the RAW section:
Keep drilling down until the desired tag is found and then scroll through until the history field is located (IP_TREND_VALUE) in this case:
Keywords: None
References: None |
Problem Statement: What are some ways to determine how long the Aspen InfoPlus.21 (IP.21) database has been running (commonly referred to as the amount of uptime)? | Solution: Here is an Aspen SQLplus query which could be used to determine how long the IP.21 database has been running:
write 'The current time is: '||' '||getdbtime;
write '';
write 'The InfoPlus.21 was started: '|| tsk_save.last_load_time;
write '';
write 'It has been running for: '|| getdbtime - tsk_save.last_load... |
Problem Statement: How do I add old data to a new Aspen InfoPlus.21 record using the QTIMESTAMP function of Aspen SQLplus? | Solution: One might think that using the typical Aspen SQLplus update statements to place data in the IP_INPUT_VALUE and IP_INPUT_TIME fields within a record would work. For example:
UPDATE IP_AnalogDef
SET ip_input_time = '10-NOV-05 18:00:00.0', ip_input_value = 1;
WHERE name = 'atcai';
When you do this, IP_INPUT_... |
Problem Statement: How can the oldest value in history be found for a tag using Aspen SQLplus? | Solution: A query like the following can be used to interrogate history to locate the oldest value. This query assumes that the tag in question is defined against IP_AnalogDef:
select Name as Record Name, min(ip_trend_time) as Oldest Value from IP_AnalogDef
where name like 'ATCL10%'
group by name
Result:
... |
Problem Statement: How can you correct the message Invalid Data Source when displaying aspenOne Explorer plots and graphics? | Solution: First, close all open web browser (Microsoft Internet Explorer, Google Chrome, or Mozilla Firefox) sessions. Next, go to the web server and look for a file called:
AtProcessDataREST.config
located in:
C:\inetpub\wwwroot\\AspenTech\ProcessData
Open the file using Windows Notepa... |
Problem Statement: What is the physical interpretation of the “Pipe Efficiency” term which is under Advanced/Methods tab? | Solution: Pipe efficiency term is like a Correction Factor. There is only a numerical/math meaning.
This variable can be used to match real plant data, doing the following calculation:
Dp fric corrected= Dp fric (from correlation) / pipe efficiency
The pipe block uses correlation to calculate the frictional term of th... |
Problem Statement: What Aspen SQLplus query may be used to disable replication for AW_MSCDEF tags whose AW_PROCESSING field is set to 'OFF' (that is, are set to 'Scan Off' in Aspen Watch)? | Solution: The following SQLplus query will do the job:
--
-- Please save a snapshot before running this query
--
-- Note - this query assumes that replication
-- has been turned on at the database level
--
for (select Name, recid as ID from AW_MSCDEF where AW_PROCESSING = 'OFF') do
write Name || ' has been changed...'... |
Problem Statement: Problems with the Aspen InfoPlus.21 Administrator tool on the Aspen InfoPlus.21 Server node - it won't expand even though it works fine on client machines.
After a very long time, the Administrator on the server comes back with an error similar to:
General RPC error: wait for callback: bad select! | Solution: This problem can be caused by lookup problems when there are two network cards on the server. There are two approaches that could help:
Use Notepad and add the IP address and node name of the second card to the hosts file: %SystemRoot%\system32\drivers\etc\hosts
View network connections - you can open this ... |
Problem Statement: This problem has been seen when connecting to Siemens or Honeywell Experion OPC Servers via Cim-IO for OPC.
When loading an IQ application, the load for the application is successful but the following messages are seen in Manage:
Warning validating tag: DBVL <Tag Name>:
CIMIO_OPC_CONNECTSINK_FAILED,... | Solution: The root cause of this issue was found to be a communication lag between CIMIO and OPC.
This can be resolved by enabling cache reads for ACO applications using this KB article:
How do I configure cache reads for ACO-based APC software?
https://esupport.aspentech.com/S_Article?id=000074039
For controllers ... |
Problem Statement: This KB addresses a problem reported often when moving to V12. The problem related is when calling history plots a window pop up asking for authentication credentials. This issue has been observed on Microsoft Edge and Internet Explorer | Solution: This problem is Related to a Bug in Internet Explorer and there is not plan to fix in the short term. However, some potential fixes can be suggested:
1.- Change Browser: it has been observed that Chrome does not deliver this issue, only Edge and IE.
2.- Consult KB 000098308 and KB 000091262 as they suggest ... |
Problem Statement: How to enable Aspen Simulation Workbook (ASW) in Excel? | Solution: To enable ASW in Excel, open Excel (as administrator), go to File | Options | Add-Ins. On the bottom of the list, select COM add-Ins and click Go.
The COM Add-Ins window should open.
Select the desired version of Aspen Simulation Workbook VX, click “OK” and restart your machine. Only one ASW version should ... |
Problem Statement: The current | Solution: described a strange behavior that can be encountered on a DMC3 controller.
If you have an MV with an ET target and you change one of the limits to something outside the current value, the SS Target takes a big jump and calculates a value equal to twice the limit.
Solution
In the next example, the Low Limit f... |
Problem Statement: This KB article presents a simple | Solution: for the error “CV has invalid equal concern error factor ECECMM” that can cause the controller to stay turn OFF
Solution
This problem is trigger by a logic error in transform variables. The workaround consists of changing the ECEs Using EngUnit (XFRMECEC) from Yes to No to fix the problem.
This problem can b... |
Problem Statement: There is a reported defect (578716) in Aspen DMC3 Builder versions V12.0 and prior where users may see a time shift in variable prediction plots for both Subspace and FIR parameter trials when running case identification. This is inconsistent with the Dataset view of the vectors and may also result i... | Solution: The target fix for this defect is V12.1 release. Since the bug lies in the way DMC3 Builder resamples irregular datasets during case model identification, the workaround for this issue is to Resample the dataset in the Datasets view first and then use the resampled data in the case identification.
Keywords: d... |
Problem Statement: Version 2.5.1 client applications are unable to see data on 3.0 or later InfoPlus.21 database. Version 3.0 and later client machines are able to access the data from the database. | Solution: The problem may be resolved by stopping and restarting the TSK_ORIG_SERVER using the InfoPlus.21 Manager. The reason for the difference in client behavior is that TSK_ORIG_SERVER provides remote access for pre 3.0 client applications. Newer clients access the database via other server tasks.
Five Remote Proce... |
Problem Statement: This | Solution: provides examples about ad-hoc calculations that can be used in Aspen Process Explorer as well as samples on how to use time-based functions, math methods as well as logical and conditional statements.
Solution
atcl101, atcl102, atcl103 and atcai are tag names that come from the out-of-the-box simulation ex... |
Problem Statement: How does a network license function within my organization? | Solution: A network license file will consist of token or non-token license keys. The Software License Manager (SLM) Server needs to be installed on a machine to host the network license file. This will allow the machine to be a license server.
Users within the organization will have SLM Client Tools that are config... |
Problem Statement: Attached to this KB article is the Aspentech.BPC.S95WebServices_TestUI.exe test tool. The tool is provided for download and use “as is” without any documentation or support. | Solution: The attached BPC S95 Web Services test tool contains two tabs:
The Commands tab that contains a list of available methods, and…
The Results tab that contains the results of invoking various commands
Click on each command to invoke a particular method. Web Service Method Arguments dialog opens. You must supply... |
Problem Statement: The following symptoms of the issue can be seen:
Unable to start or restart the data collection for an application in Aspen Watch
The RepositoryErrors.log file (found here on the Watch Server: C:\ProgramData\AspenTech\APC\Performance Monitor) shows this error:
---> System.ApplicationException: Faile... | Solution: This issue is caused by the SQL query for Aspen Watch Data Pump timing out. Please follow these steps to resolve it:
On the Watch Server, navigate to this directory: C:\Program Files (x86)\AspenTech\APC\Performance Monitor
Make a backup copy somewhere else (just for your reference) and then open this file to... |
Problem Statement: What Calcscript formula can be used to perform a one hour rolling average on a tag in Aspen Calc? | Solution: The TagAverage command returns the average of a specified tag over a specified time period.
Syntax: TagAverage( tagname, <start time>, <end time>, [Actual], [Stepped] )
The Now( ) command is used to return the current date and time.
Syntax: Now ( ) equals the current time
Now ( ) - X equals the current time m... |
Problem Statement: Are' HistoryBackupDef' command entries activated simultaneously or in a sequence? | Solution: In records defined by HistoryBackupDef the following fields, if they are filled in with commands, are activated in this order:
1. Active ('Last Active Command' field)
2. Shifted/Changed ('Last Shift Command' field / 'Changed Command' field)
3. Post Backup ('Post Backup Command' field - located in fixed area... |
Problem Statement: What is one possible cause of the AFW Security Manager initialization failed message when launching AFW Security Manager? | Solution: You may see this error if both 'Aspen Framework' and 'Aspen Local Security' are installed on the same server.
To correct this problem you need to remove one of these products. Since most Aspen InfoPlus.21 installations use Aspen Local Security, this article describes how to remove Aspen Framework.
Use the U... |
Problem Statement: Aspen HYSYS V9.0 Stream Reporter (HSR 1.7) | Solution: HYSYS Stream Reporter (HSR) is an Excel spreadsheet utility that allows to import to a spreadsheet the material stream information such as conditions, properties and compositions, and also compare streams from different cases.
HSR can report properties from the following phases: Overall, Vapour, Light and He... |
Problem Statement: Why ASTM D86 distillation curve are empty for the stream? | Solution: The results of ASTM D86 can be empty if almost all components in the stream are individual light end components. For such a situation, D86 curve is not applicable to characterize this stream. The D86 curve is converted from TBP curve by API 3A11 method. Users can search this method via API manual. We need ge... |
Problem Statement: How do I enable debug logs for Aspen Mtell applications? | Solution: This article will help the user to enable Debug logs on Aspen Mtell Agent Builder, Aspen Mtell System Manager, Mimosa Explorer, Aspen Mtell Agent Services, Aspen Mtell Training Services, Aspen Watch Dog Service, Aspen Mtell Asset Sync, Aspen Mtell Work Sync applications.
Enable debug log on Aspen Mtell Agent... |
Problem Statement: From V12.0 onwards, some properties inside Sulphur Recovery subflowsheets are marked as <empty>, for example mass heat of vaporization and the True VP and the Reid VP at 38.7°C. | Solution: These properties used to be calculated in the previous versions:
Opposite to V12.0:
This is because it was compared that the values predicted by the SULSIM Sub-Flowsheet property package were not reliable in comparison with other thermodynamic methods, so the properties were removed altogether.
The workarou... |
Problem Statement: How to delete rows or columns in an ASW table without breaking the link to the HYSYS file? | Solution: For deleting rows in the ASW without breaking the linking with the HYSYS file, follow the next steps:
1. Click on one cell of the table. The ASW variable Table appears.
2. Select Modify Table.
3. Simulation Workbook Table Wizard will appear.
4. Click either on the “Columns” or “Rows” tab, select the columns ... |
Problem Statement: The Convergence Monitor does not update until the end of the run. How do I get it to update after every iteration? | Solution: The Convergence Monitor button in the Control Panel is used to to open a panel displaying the convergence history graphically.
In the Control Panel toolbar click the Run Settings button and then, click the Options tab. If Dynamic update of calculation results is checked, then the graphical convergence outpu... |
Problem Statement: Why doesn't my pressure profile in the RadFrac Profiles result form match the pressure drop specified on the Specifications | Pressure sheet?
How does update pressure drop in RadFrac affect simulation results? | Solution: Tray and packing calculations in Column Internals do not affect column separation by default – they are supplementary calculations. However, options are available to use the computed pressure drop (under Column Internals) to update the column pressure profile. By selecting Rating in Column Internals, users ha... |
Problem Statement: I am trying to model the power consumed by an agitated vessel, but there does not seem to be a way to do so. Is there any way to model electricity consumption for stirring tank? | Solution: Aspen Plus doesn’t calculate power consumption for stirring tank regardless it’s an agitated vessel or reactor. Nevertheless, users can take advantage of properties calculation used by Aspen Plus to create a correlation in a Calculator block for this purpose. An example file is provided to demonstrate how to... |
Problem Statement: This knowledgebase article documents the | Solution: to the following error message which may be returned from the Tag Browser:
S95 can't be connected. BPC S95 Web service is not responding
Solution
If you are receiving this error, and your site has not implemented an S95 configuration, then disable the S95 Search option. Open the Tag Browser. In the Search me... |
Problem Statement: This | Solution: talks about the possibility and suggestion for the installation of APC Desktop applications (DMC3 Builder, DMCplus Model, IQ config, PID Watch etc…)
Solution
The APC Desktop applications are normally installed under three scenarios:
When Installing the APC Online Server Components
When Installing the APC P... |
Problem Statement: This knowledge base article describes how to prevent write failures to an OPC server when the error message
The AsyncWrite Function Failed
is reported in the cimio_msg.log. | Solution: The AsyncWrite() function is an OPC server function call which has been seen to fail on various OPC servers. In order to work around this problem, the option to perform synchronous writes was introduced into Cim-IO for OPC v2.3. Users running older versions of Cim-IO for OPC will need to upgrade to obtain thi... |
Problem Statement: This KB article provides the instructions to enable logging of Infoplus.21 OPC DA. | Solution: 1. Copy IP21DaServer.dll.config from ..\AspenTech\InfoPlus.21\db21\code\ to a temporary location such as C:\Tmp
2. Rename ..\AspenTech\InfoPlus.21\db21\code\IP21DaServer.dll.config to IP21DaServer.dll.config_bak to preserve a backup of original file.
3. Edit C:\Tmp\IP21DaServer.dll.config in notepad.
4. Pleas... |
Problem Statement: Is it possible to use Aspen InfoPlus.21 as an OPC server? | Solution: Yes. Aspen InfoPlus.21 includes an OPC-DA server that conforms to the OPC Foundation DA specifications. The OPC-DA specification describes standard COM interfaces that would allow an OPC-DA client application to request current process values and attributes (that is, tag data) from an OPC-DA server. An OPC-DA... |
Problem Statement: AspenTech's Knowledgebase article 000079263 comprehensively describes how to use Aspen InfoPlus.21 as an OPC server. It describes how it should be set up and gives examples of its use.
This article discusses the actual executable that gets used on the IP.21 system, and how it gets Started and Stopped... | Solution: The executable is called IP21DA_Server.exe This is located in the following directory :
C:\Program Files\AspenTech\InfoPlus.21\db21\code
From the Windows Task Manager on the IP.21 box, under Processes, when started, it will be displayed as: IP21DA~1.EXE
The DA server is a COM object and as such is launched wh... |
Problem Statement: How do I establish connection between OPC HDA Server and Aspen Mtell server? | Solution: Aspen Mtell only support OPC HDA connections, it does not support OPC DA connections.
You could either Install Aspen Mtell Adapter for Honeywell PHD on OPC HDA server or on Aspen Mtell Server. It's recommended to install the adapter on OPC HDA server to avoid opening DCOM ports.
Installation of the Adapter... |
Problem Statement: In Unscrambler, is it possible to have the constants for SNV or MSC computed over a different region from which a PLS model is computed? | Solution: Yes, it is just a matter of selecting a different range when doing the preprocessing. For autopretreatment, all pretreatment variables must be included as well.
Keywords: None
References: None |
Problem Statement: This knowledge base article provides an example of how the Aspen InfoPlus.21 history data compression algorithm works. | Solution: Using an example of a 60 second time interval (which we will consider to be 1 time unit), the tag has IP_DC_SIGNIFICANCE set to 1 and the first four values are 25, 22, 20 and 18.
The first value is always recorded. In fact, any data value following a bad status will be stored. When the second value is scanned... |
Problem Statement: Although there are other options, the most common form of Data Compression used within IP.21 processing is the BoxCar Slope Algorithm. This is the one used by the standard database Definition records IP_AnalogDef and IP_DiscreteDef.
Knowledge Base article How do value/slope calculations work with his... | Solution: Here are the exact steps the software performs followed by some real examples.
First:
IP.21 obtains the maximum time interval from IP_DC_MAX_TIME_INT.
IP.21 obtains the last recorded time from the first occurrence of IP_TREND_TIME.
IP.21 obtains the 'previous' input value, 'previous' input quality status, and... |
Problem Statement: This | Solution: frames the problem of a repeated prompt for logon credentials when HTP plots are enabled and history Plots are requested. The plot would appear showing no data and the windows prompt for logon would appear and will not access even if the right credentials are introduced.
Solution
To fix this is necessary to c... |
Problem Statement: How do you model batch drying?. | Solution: Starting in V11, the Dryer block available from the Solids tab of the Model Palette now has a Batch mode which allows convective dryers to be modeled in batch flowsheets. Batch mode can only be used if the main flowsheet is of Batch type or if the Dryer block is within a BatchProcess block.
In batch mode, ra... |
Problem Statement: How can I enable or disable tag replication through Aspen SQLplus? | Solution: Use the following queries to update the tag replication flag for any Aspen InfoPlus.21 tag:
To Enable
FOR (SELECT RECID as ID from <Tag Name>) DO
SETREPLIC(ID,1);
END;
Example 1 (this will enable replication for the record ATCAI):
FOR (SELECT RECID as ID from ATCAI) DO
SETREPLIC(ID,1);
END;
Example 2... |
Problem Statement: How do you determine/verify how many tokens are consumed by the Aspen InfoPlus.21 database? | Solution: Aspen InfoPlus.21 will consume tokens based on the point count specified in the InfoPlus.21 Administrator.
You can determine the consumption of tokens for InfoPlus.21 by dividing the Total Licensed Points by the IP.21 Points Ratio.
The value for the SLM_IP21_PointsRatio key can be found in the SLM License... |
Problem Statement: When implementing tag replication in Aspen InfoPlus.21 (IP.21), customers may place a firewall between the Aspen InfoPlus.21 systems. What communication ports need to be opened in the firewall for replication to work correctly? | Solution: InfoPlus.21 replication uses Microsoft Message Queueing (MSMQ) as the transport in Windows Communication Framework (WCF) and therefore relies on the MSMQ transport layer.
The communication ports required specifically for MSMQ are documented in this Microsoft KB article:
http://support.microsoft.com/kb/83201... |
Problem Statement: It is possible to enter a Lab Sample with a future timestamp using the DCS interface for an Aspen Inferential Qualities sensor, however, there are two situations that could happen: in the first one, the value of the sample is taken as zero and the Bias does not update; and in the second one, the appl... | Solution: The Production Control Web Server prevents you from entering a future time but the DCS input does not. IQ requires that the time a Lab Sample value is entered in to have already occurred, so it performs the Bias update using data from that time. There are two main situations that can be observed.
Situation 1... |
Problem Statement: When trying to compile a C++ procedure in Aspen Custom Modeler v11 with Visual Studio 2017 Professional Edition, the following error may occur:
Building DLL...
No suitable version of Visual Studio was found - compilation aborted.
See the online help for details of the supported compilers.
1 error ,... | Solution: ACM V11 is looking for the environment variable: VS2017INSTALLDIR.
The typical value should be: C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional
To set the environment variable, you should browse with Windows Explorer to the System Properties:
Then click Advanced system settings:
Then clic... |
Problem Statement: When trying to compile a C++ procedure in Aspen Custom Modeler v11 with Visual Studio 2017 Professional Edition, the following error may occur:
Building DLL...
No suitable version of Visual Studio was found - compilation aborted.
See the online help for details of the supported compilers.
1 error ,... | Solution: ACM V11 is looking for the environment variable: VS2017INSTALLDIR.
The typical value should be: C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional
To set the environment variable, you should browse with Windows Explorer to the System Properties:
Then click Advanced system settings:
Then clic... |
Problem Statement: How to generate an x-y plot? | Solution: You can generate an x-y plot using any Binary Analysis in the Properties Environment.
Let's take water-methanol as an example to illustrate the steps.
1) Define your components in the Components | Specifications form.
2) Select the appropriate property method. An activity coefficient model such as NRTL is ... |
Problem Statement: How to test Aspen Cim-IO Store and Forward | Solution: Access to the Aspen InfoPlus21 server and the Aspen Cim-IO server is required for this test.
Aspen InfoPlus21 server
Locate a tag that is currently collecting data using Aspen InfoPlus21 Administrator, Aspen SQLplus, or other method.
Stop TSK_A_device name
If using unsolicited transfers stop TSK_U_device nam... |
Problem Statement: How to verify that history repositories have sufficient cache buckets? | Solution: InfoPlus.21 is designed to not lose history. If InfoPlus.21 sees that there's a repository that is overflowing into an event.dat file, IP21 will start slowing down database access to allow the history system to catch up. It is very important that you have enough cache buckets in your File Set for all the tags... |
Problem Statement: How do I change the default folder for tag replication queue files? | Solution: The folder location for the replication queues can be changed for ReplicationPublisher but not for ReplicationSubscriber. The new location can be specified using a command line argument -path=FolderName in the InfoPlus21 Manager under the external task TSK_PUBR.
For example, to change the publisher's queue ... |
Problem Statement: What are the command line parameters available to control PUBLISHER behavior within Aspen InfoPlus.21 replication? These parameters could be applied to TSK_PUBR in the InfoPlus.21 Manager. | Solution: Switch
Description
-? or –help
Displays the usage syntax. (the help text for some advanced options is not shown)
-p[ath]:<directory>
Directory path where the memory queue files reside. The default is the “Replication” folder in the group 200 directory for InfoPlus.21.
-r[etentionPeriod]:<number>
Retention per... |
Problem Statement: When accessing web client applications such as aspenONE Process Explorer (A1PE), an error message is displayed:
HTTP/1.1 500 Server Error
http://localhost/processexplorer/aspenONE.html
http://localhost/ProcessExplorer/WebControls/PBItemDetails.asp?admin=true
This issue affects all client users of... | Solution: This issue has been observed after the rollout of Microsoft security update KB5000800 - Cumulative security update for Internet Explorer: March 9, 2021:
https://support.microsoft.com/en-us/topic/kb5000800-cumulative-security-update-for-internet-explorer-march-9-2021-b7b43be0-e9ef-48b6-b102-ed28fd89e0f2
The pa... |
Problem Statement: After upgrade of Aspen Production Execution Manager from V8.5 to V11.1 ,MOC was unable to read / write data to Batch. | Solution: This issue happens because of configuration mistake on path.m2r_cfg file. Check BATCH_21_DSN is set correctly
On the APEM server open the path.M2r_cfg file with Notepad.
This is typically located in: C:\Program files(x86)\AspenTech\AeBRS\cfg_source
BATCH_21_DSN =APRM
Whenever a change is made to path.m2r_cfg... |
Problem Statement: Where do I find the results for Shell & Tube Heat Exchangers in Series? | Solution: EDR – Exchanger design & rating program is well capable of design of the Shell & Tube heat exchnager in series / parallel. User can easily observe the results for the inlet & outlet temperatures, heat exchanger duty, pressure drops for both the exchangers in series:
The results available on TEMA Sheet is the... |
Problem Statement: It could appear as though the event.dat file is not unbuffering even after following all of AspenTech's instructions for bringing up the history task after it went down. How can one determine if the event.dat is actually unbuffering? | Solution: If the Aspen InfoPlus.21 (IP.21) history task goes down or can't keep up with data flow from the plant during a weekend or overnight, the event.dat file can grow quite large. Depending on the size of the event.dat, significant time could be required for this file to unbuffer. Moreover, the time for the even... |
Problem Statement: This Knowledge Base article provides steps to invoke the Aspen InfoPlus.21 Health Monitor. The application has both a thick client (software that is specifically installed) and a thin client (an application that is accessed via a website). | Solution: The Aspen InfoPlus.21 Health Monitor is a Microsoft Windows thick client used to check the status of the components that make up Aspen InfoPlus.21, including the database itself, the tasks, the history subsystem, Aspen Cim-IO database-specific components, and a few important categories of supporting records, ... |
Problem Statement: In regard to Aspen InfoPlus.21 replication, for how long will data buffer on the InfoPlus.21 PUBLISHING system?
Answer
By default, the data will buffer on the InfoPlus.21 PUBLISHING system for up to 72 hours before older data begins to be discarded.
The speed of the unbuffering is a function of ... | Solution: 000076293 - What are the command line parameters available to control publisher behavior within Aspen InfoPlus.21 replication? has some additional details about switches which may be added to ReplicationPublisherNG.exe to observe and adjust those settings...
Keywords: None
References: None |
Problem Statement: Is there an Aspen SQLplus function that will tell you if a value is an integer or text? | Solution: This example code below demonstrates how to determine if the input typed at the prompt is an integer or text by using the SET CONVERT_ERRORS option and then checking if CAST(x as INT) is NULL. The example code below may be copied into the top half of the SQLplus Query Writer and then run. The code will prod... |
Problem Statement: Is there a limit or maximum on the number of entries per role in Aspen Framework Security or Local Security? | Solution: There is not a limit.
Keywords: None
References: None |
Problem Statement: Below error message shown in screenshot is returned when AFW Security Manager is being opened. | Solution: Furthermore, when browsing to security URL, http://<Server_Name>/AspenTech/AFW/Security/pfwauthz.aspx, in Internet Explorer, the below error page is returned.Solution
Below is a checklist to troubleshoot on the issue. By no means is it exhaustive as different configuration or account used to log on applicatio... |
Problem Statement: How to access Chinese eLearning in V12 Aspen Plus/HYSYS ? | Solution: As V12 version released, there is a new feature in Aspen Plus/HYSYS that user can directly access to Web Example and Training with internent connection, it will directly connect to Aspen eLearning website in English version, then how to access Chinese eLearning website?
1, Change Aspen language to Chinese by... |
Problem Statement: What is the license behavior for V8.x of Aspen CIM-IO? | Solution: Aspen Cim-IO V8.0 to V10.1 has the following licensing behavior:
The Cim-IO Manager service attempts to check out a license on startup.
· The Cim-IO Manager continues to run if either:
a) The license request is granted.
b) The license request was previously gr... |
Problem Statement: This Knowledge Base article explains best practice to migrate Aspen Production Record Manager (APRM) database from Oracle to MS SQL Server. | Solution: You should use APRM's Backup/Restore features to backup the data from Oracle then import it into SQL Server. To access APRM's Backup/Restore feature open the APRM Administrator, expand out until you see Areas, right click on Areas, select Database.
The restore feature has a known limitation and may not work ... |
Problem Statement: TSK_DBCLOCK terminates when starting Aspen InfoPlus.21. The last message in TSK_DBCLOCK.OUT is Performing history synchronization. How can I determine the tag and repository responsible for the failure? | Solution: The article https://esupport.aspentech.com/S_Article?id=000096225 explains the meaning of the message Performing history synchronization found in TSK_DBCLOCK.OUT.
To determined the tag and repository causing TSK_DBCLOCK to fail, open REGEDIT and find the key:
HKEY_LOCAL_MACHINE\SOFTWARE\Aspentech\InfoPlus.2... |
Problem Statement: Can aspenONE Process Explorer (A1PE) be used if the license is a perpetual / non-token / older commercial model type? Or must the license be of the token / new commercial model type? | Solution: A1PE requires the use of a token license model.
Keywords: None
References: None |
Problem Statement: In the Calculations window of AspenCalc client tool I can validate all calculations of a server by right clicking on server name and choosing the Validate InfoPlus.21 option in the environment menu. Can I do the same (checking all calculations of a server [for lost tags]) via SQLPlus? | Solution: You will need to load the CalcScheduler object in SQLPlus as follows:
Go to the View menu
Select Object Browser
Load the Object CalcScheduler
When you use the Object Browser and open CalcScheduler there is CalcCommands class.
Expanding CalcCommands and scrolling down there are 2 Methods for Validating... |
Problem Statement: What could cause the Boiling Point Assay in the Performance Tab to not match the results in the Boiling Point Curve Utility? | Solution: This is caused by the characterization of the oil in the simulation. The results match in both places only if Aspen Petroleum Refining Refsys is being used to characterize the crude.
If you are using the Oil Manager to characterize your crude, the results in the Performance tab> Profiles>Boiling Point Curves ... |
Problem Statement: The Audit & Compliance Manager (AACM) web site does not display or function correctly unless you are using MS Internet Explorer as the web browser. Even then, the pages may render badly, for example an extended top margin could appear on the Event Query page:
Clicking the Submit Query button on the ... | Solution: The Audit & Compliance Manager web site should be accessed using MS Internet Explorer 11 (IE11) when it has compatibility mode enabled for a URL with the AspenTech web server specified. To enable compatibility mode in IE11, first press the ALT key to reveal the menu bar, and then select Tools, Compatibility V... |
Problem Statement: Where can I find Sustainability sample cases in Aspen Plus V12.1? | Solution: AspenTech is focused on helping our customers improve the sustainability of the process industries. Aspen Plus V12.1 includes seven new sample files to facilitate this objective. The new samples can be found by clicking Examples on the Resources ribbon tab, or by navigating to the examples folder C:\Program F... |
Problem Statement: This article described what are the recommended Browsers for PCWS for Different Versions. | Solution: For PCWS and up to Version 12 we recommend basically 2 browsers for all supported versions:
Internet Explorer Version 11
Google Chrome (Version depend on APC Version)
For APC V12 we also recommend Microsoft Edge (Chromium) which was released last year.
Here is a summary of the Browsers we suggest using for... |
Problem Statement: When creating a direct OPC connection on Config Online Server and try to test using DMC3 builder you may get multiple errors showing that the connection fails between the DMC server and the OPC server. This article mentions a couple of things that we have observed may work to establish the connection... | Solution: Once the connection is created, we suggest verifying the next things:
1.- Verify that the account that is used for the Connection on the DMC server is the same account as the DeltaV Administrator. We have observed that this is also a requirement that other products as CIMIO often requires.
2.- In the Specif... |
Problem Statement: How to get Relative Humidity in Aspen HYSYS material stream? | Solution: A new Relative Humidity correlation is available under the Standard correlation type on the Correlation Manager.
The relative humidity of a vapor is the partial pressure of water vapor in a given vapor divided by vapor pressure of water at the given temperature.
Keywords: Relative Humidity, partial pressure,... |
Problem Statement: Which are Heat Transfer Fluid Components available in Aspen HYSYS? | Solution: In HYSYS V12, the parameters for the following heat transfer fluid components were updated based on experimental data from the current literature:
THEOL-55
THEOL-59
THEOL-66
THEOL-75
THEOL-LT
THEOLD12
THEOLVP1
As a result, the property curves for these components now closely match the latest publications.
Key... |
Problem Statement: This | Solution: frames a way to increase the memory usage for AspenWatch .
Solution
The way to solve this problem is by increasing the number of Filesets. To know how many filesets you may need, you will need to check one of your current Filesets on the repository and check how often they get full and how often the change ta... |
Problem Statement: Is it possible to migrate customer records from an AspenWatch to another AspenWatch or IP21 Server?? | Solution: The easiest way to do this is by using RLD Files, to pass records from one AW to another. to use the RLD you can follow the next steps:
Extract/Export RDL:
1.- In Aspen InfoPlus.21 Administrator do right-click on the database and select Save Records.
2.- Specify the Record Name that you want to extract or se... |
Problem Statement: One of the post-configuration steps for GDOT web viewers is the creation of the GDOTOnlineHistory and GDOTSimulationHistory databases using the SQL Management Studio, in each one it is needed to create a table called GDOThistory for the web functionalities such as trending.
In the original SQL query... | Solution: In this procedure it is not needed to recreate the whole table for troubleshooting trending or fetching issues on GDOT web viewers. It consists of the following steps:
Open Microsoft SQL Management Studio, connect to the SQL server and go to Tools, click on Options.
Expand Designers and select Table and ... |
Problem Statement: When trying to open Aspen Unified V12 an error message shows up preventing the user to access the web page and even if user clicks on Retry button, the message does not disappear. | Solution: Go to Internet Information Services (IIS) Manager.
In the column of the left side calle Connections, identify the respective user and server and open Sites, then Default Web Site, AspenTech and locate AspenUnified.
Once you click on AspenUnified, some icons will show on the display, in the icons that co... |
Problem Statement: Does aspenONE Process Explorer (a1PE) support day light savings time? | Solution: Yes, a1PE does support day light savings time and displays the data according to the local timezone set on the client system. No specific configuration is required.
Keywords: A1PE
Day Light Saving
References: None |
Problem Statement: Can the environment variable “PATH” that gets created during IP21 installation be eliminated? In this KB, we are referring to below PATH environment variable.
C:\Program Files (x86)\Common Files\AspenTech Shared\
C:\Program Files\Common Files\AspenTech Shared\ | Solution: If those were eliminated, IP21 will not function properly and may throw error messages such as below error screenshot
The environment variable “PATH” can affect the way IP21 processes will behave on a computer. They are part of the environment in which a process runs. For example, a running IP21 process can ... |
Problem Statement: This | Solution: frames some additional information on the PID Watch Model ID parameters.
Solution
The Open, Closed and Hybrid options mainly works for the type of Data we collected from the plant:
Open Loop: the loop was on Manuel Mode and changes were made on the OP to see the response of the PV
Closed Loop: Loop was on A... |
Problem Statement: The problem reported consist on not been able to open and use the plots in What-If Simulation, returning the following error:
<html><body><div id=body_msglog><font face=Verdana size=4>Error 2</font></div></body></html> | Solution: This issue is caused by the number of future moves and the magnitude of some of the dependent variables. This is exceeding a 600 character limitation in the query. The workaround is to truncate the prediction array to some smaller number of points to allow the vector to fit within the 600 character limit. The... |
Problem Statement: This | Solution: frames how multiple Parameter information can be extracted from CCF file.
Solution
By default, there is not a feature that helps us to take out the Description and typical Move from dpp file, CCF or Model File.
However, we can use a third-party application as excel to extract this kind of information. In t... |
Problem Statement: This | Solution: frames a couple of ways to resolve the error “Could not load type “System.ServiceModel.Activation.HttpModule” when Aspen Unified is Launched
Solution
In chapter 7 of the Aspen Unified Installation Guide V12 called Troubleshooting, this problem is reported and suggest some steps to fix this problem. The steps ... |
Problem Statement: The following message appears when trying to add new repositories or file sets using the Aspen Infoplus.21 Administrator:
There is not enough space in the IP21HISTADMIN shared memory
This article explains how to resolve this error. | Solution: Aspen InfoPlus.21 allocates memory to administer repositories and file sets. The amount of memory needed depends on the number of repositories and file sets in use. Use the following procedure to increase the amount of memory reserved for this task.
1. Stop Aspen Infoplus.21.
2. Make a backup of the registr... |
Problem Statement: PCWS switch between different baselines created from AW Maker or PCWS. This Procedure Describe the process to create multiple baselines and how to switch between them | Solution: On AspenWatch Maker, you go Tools > Baseline Management:
You can select the controller that you want to work with. By selecting cases you can create new cases for the specified controller.
Once a new case is selected some information needs to be specified. As Case Name, Description, Start Time, and End time... |
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