question stringlengths 19 6.88k | answer stringlengths 38 33.3k |
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Problem Statement: How to solve the warning ERROR: Keyword <word> is invalid. in Aspen OptiPlant 3D Layout. | Solution: When the Input Generation process is executed, users can face this warning Keyword <word> is invalid.
This type of error occurs when One of the line in the line-list has an invalid start type (or) end type or a line does not have a pre-defined end type (or) start type.
Keywords: Aspen OptiPlant 3D Layout, In... |
Problem Statement: How do I change the Rho V2 constraint in Aspen Flare System Analyzer (AFSA)? | Solution: To change the Rho V2 constraint, select Scenarios from the Build section of the Home ribbon. Choose the scenario(s) for which you want to change the limit and click on Edit.
In the Scenario Editor pop-up select the Constraints tab where you can edit the Rho V2 limits for both Headers and Tailpipes.
The chan... |
Problem Statement: How to solve the warning ERROR: Start/End Point could not be adjusted’’ in Aspen OptiPlant 3D Layout. | Solution: When the Input Generation process is executed, users can face this warning Start/End Point could not be adjusted
This type of error occurs when more than one line is connected to same equipment with same start or end type. For e.g. a pump can have only one suction and one discharge, but if more than one lin... |
Problem Statement: How do I change the Noise constraint in Aspen Flare System Analyzer (AFSA)? | Solution: To change the Noise constraint, select Scenarios from the Build section of the Home ribbon. Choose the scenario(s) for which you want to change the limit and click on Edit.
In the Scenario Editor pop-up select the Constraints tab where you can edit the Noise limits for both Headers and Tailpipes.
The change... |
Problem Statement: How do I change the Vapour and Liquid velocity constraint in Aspen Flare System Analyzer (AFSA)? | Solution: To change the Vapour and Liquid velocity constraint, select Scenarios from the Build section of the Home ribbon. Choose the scenario(s) for which you want to change the limit and click on Edit.
In the Scenario Editor pop-up select the Constraints tab where you can edit the Vapour and Liquid velocity limits f... |
Problem Statement: How to find the lean approach to equilibrium for acid gas cleaning process modelling in Aspen HYSYS? | Solution: Lean approach to equilibrium is the acid gas content of overhead gas that is in equilibrium with the lean amine. This will normally set the reboiler duty (solvent regeneration).
If Acid Gas property package is used, HYSYS will calculate the equilibrium approach (or efficiencies) for acid gas components on ea... |
Problem Statement: Aspen Air Cooled Exchanger – Can we get setting plan for an A or V frame air cooler exchanger? | Solution: New feature – Aspen Air Cooled exchanger V14 - Draw setting plan for an A or V frame air cooler exchanger is available now.
Now you can view, copy, print, etc., setting plan for an A or V frame air cooled exchanger. Below is an example of the setting plan of Unit View for an A frame air cooled exchanger.
Bel... |
Problem Statement: How do we find the Omega Values for two phase volume in Aspen Plus? | Solution: The v0 and v9 Omega Two phase volume values are available in the Safety Environment on the “Fluid Properties” tab in the scenario page. User should also find these values on the Omega method sizing report in the PSV datasheets.
To calculate the omega values, user needs to select the “Reliving phase method - ... |
Problem Statement: What is the applications of “Limit checks” option available under Fired Heater? | Solution: Aspen Fired heater have an option called Limit check which could be really useful application for users to monitor the maximum limits for important parameters:
For a number of key parameters relating to the performance of a fired heater, it is possible for you to specify your own particular limit value, wh... |
Problem Statement: Where can I find the maximum film temperature in fired heaters for firebox & convection banks? | Solution: The film temperature or the maximum film temperature is one of the important criteria in any design to make sure the fluid temperature shall be well below the maximum allowable temperatures.
Aspen Fired Heaters – can also provide similar values as maximum temperature is key parameters in simulation for fired... |
Problem Statement: Does Aspen Air cooled exchanger calculate tube side film temperatures like the option available under fired heater? | Solution: Aspen Air Coolers does not have tube side film temperature like Fired Heater. The option available as the Stream temp and Metal surface temp profiles could be useful to track the temperatures. The Tube side film temperature should be between them at each Distance location.
Keywords: Tube side film temperature... |
Problem Statement: How to calculate missing free energy of formation (DGAQFM/DGAQHG) for component MDEA+ while running simulation in Aspen Plus? | Solution: MDEAH+ is a solvent which is used in CO2 carbon capture process modelling in Aspen Plus. Sometimes while modelling such complex process and running the simulation we get the warning for missing properties like (DGAQFM/DGAQHG)
These properties error unable the simulation to converge and generate the results.
... |
Problem Statement: This | Solution: frames a short procedure on how to Connect the DMC3 controller Tags to existing Tags inside the IP21 Database (In this case IP21 will simulate the OPC/DCS system)
Solution
The controller used in this example is a controller from the DMC3 example library. The controller name is COL5X3Local and it contains 5 MV... |
Problem Statement: Model Switching is a utility on DMC3 equivalent to CCF Switch on DMCplus Controllers. It can be used to implement relationships and file replacements that enable applications to switch models and/or tuning sets while the DMC3 application are operating Online, Offline or in Simulation Mode. | Solution: Requirements for using Model Switching:
1.- To use Model Switching it is necessary to have Engineer Permission
2.- It only can be used with FIR model type.
3.-It is necessary to have the mdl or mdl3 (in case the current project is DMC3) files and/or .tuningset file already exported and located in a know di... |
Problem Statement: There is a problem reported in V11 and previous version when trying to set some Parameters for FFWD variables on Deployment using an Auto generating Customer Template. This tech tip mentioned a couple of | Solution: that can help with that problem
Solution
On deployment there is basically three kind of variables that can be selected General, Input and Output. The general variables are mostly for general controller parameters as On/Off Request, Watchdog etc. and for the for example we will consider in this group also stru... |
Problem Statement: It is unclear what the numbers next to FUTMOV mean, are they minutes or are they cycles? How is the total number of values determined? Why does it skip a lot of values? | Solution: When you set a DMC3 controller to output a debug print file for a cycle, either during simulation or running online, one of the most useful sections is the Future Moves (FUTMOV) for the manipulated variables, it is showing how the controller is planning to move the independent variables on the next few cycles... |
Problem Statement: AspenTech (very strongly) recommends using TSK_HBAK for backing up Aspen InfoPlus.21 History Filesets. This video demonstrates how to back up filesets to limit the impact in cases such as a catastrophic disk failure on the production system. | Solution: AspenTech distributes for free a special executable/external task, as well as a database record and a few Aspen InfoPlus.21 Administrator settings, specifically designed for performing extremely safe backups of History Related files on a user-defined scheduled basis. Once the backup has been performed the use... |
Problem Statement: This | Solution: frames the scenario where a deployed DMC3 application fails to turn on and PCWS page shows Setpoint Validation Errors such as: “Invalid Setpoint”, Setpoint Validation: Setpoint change exceeds the operator high limit., Setpoint Validation: Value change exceeds the maximum move constraint., etc.
This could af... |
Problem Statement: When searching for Aspen Unified patches on the https://esupport.aspentech.com/ site, whether it is for Refining Planning & Scheduling (Aspen Unified PIMS, Aspen Unified Scheduling), Aspen Dynamic Optimization (Aspen Unified GDOT Builder), or Manufacturing Execution Systems (Aspen Unified Reconciliat... | Solution: An example, this is what shows up when you search for Aspen Unified GDOT Builder patches when filtering Family and Version:
As you can notice, only some patches are showing up, what happened with CP3 EP1, EP4, EP5…?
The reason behind this is as of the time of writing this article, February 2023, the Aspen Un... |
Problem Statement: How to get rid of the following error message Class does not support Automation or does not support expected interface when trying to use HSR with Aspen HYSYS in order to extract the data in excel? | Solution: In order to get rid of the following error message Class does not support Automation or does not support expected interface when trying to use HSR with Aspen HYSYS in order to extract the data in excel:
You will need to make sure that the HSR sheet is unlocked from the properties as per below:
Keywords: Erro... |
Problem Statement: How to setup constraints on Diesel production from a Crude unit in Aspen PIMS? | Solution: The user might want to control the Diesel production from the Crude Unit due to various reasons like:
Market demand
Upcoming downstream Diesel Units shutdown
Limitations on downstream Product blending
In case of these scenarios, we can setup constraints on Diesel production from a Crude unit in Aspen PIMS by ... |
Problem Statement: What are the various purposes of Pool segregation via T.CRDCUTS in Aspen PIMS? | Solution: The user is provided with the feature of pool segregation via T.CRDCUTS for various purposes:
If your refinery processes the cuts from different crude units independently in the downstream units, then we need to group them into different pools. PIMS will now generate different tags for them based on the Log... |
Problem Statement: How do the utility consumption rows entered in T.ASSAYS and T.CRDDISTL vary from each other? | Solution: When the utility consumption rows (UATMXXX / UVACXXX) are entered in T.ASSAYS, the utility consumption is calculated per unit flow of the individual crudes treated.
* TABLE ASSAYS Table of Contents
TEXT ANS AHV ARL BAC
*
ICONLV1 ConCarbon, WT% 0.00000 0.00000 0.00000 0.00000
ICONHV1 ConCa... |
Problem Statement: Is it mandatory to have T.ASSAYLIB to trigger Crude Architecture in my PIMS model? | Solution: No, T.ASSAYLIB is an optional table that is used when the user would like to attach multiple Assays tables to the PIMS Model Tree for different logical crude units. The user can enter the names of the assay tables to be included in the model and the corresponding logical crude units to which they are applicab... |
Problem Statement: This query shows how to send a high-importance e-mail message with an attachment using the SMTP protocol. | Solution: Important: For this to work - first go into the SQLplus Query Writer and from the menu bar choose
View |
Keywords: e-mail
attachment
sample query
132567-2
References: s:
and select Microsoft CDO for Windows 2000 Library. Note that it may not necessarily be at or near the top of the list that ap... |
Problem Statement: aspenONE™V14 Validation Certificate | Solution: aspenONE™V14 Validation Certificate November 2022 aspenONE V14 has been validated and is in compliance with our internal Quality Assurance procedures. It is hereby certified for general release. This document describes the testing procedures adopted for the aspenONE V14 release. Product-specific validation in... |
Problem Statement: If there is a large number of applications, the Aspen Watch records can quickly fill up the default disk location (C:\ usually), causing old history to be lost, archives to be overwritten, and possibly other disk problems. A clear guide is needed to determine the easiest procedure to move these histo... | Solution: The majority of Aspen Watch files are saved in just 4 default locations (with their respective network share):
IP21g200 C:\ProgramData\AspenTech\InfoPlus.21\db21\group200
IP21g200AggHis C:\ProgramData\AspenTech\InfoPlus.21\c21\h21\agghis
IP21g200EvtHis ... |
Problem Statement: How to efficiently view the 2D / 3D DWG files created on the deliverables folder in Aspen OptiPlant 3D Layout? | Solution: In Aspen OptiPlant, we can model equipment and structures by 2D or 3D DXF import option. The created models will be available in the deliverables folder inside the Aspen OptiPlant project folder. The OptiPlant Configurator provides extended interface capability in the form of Data Exchange Format (DXF), which... |
Problem Statement: In the background a record defined by AlertUserDef will be created in the InfoPlus.21 database when a user subscribes to alerts for a tag for the first time. The record is used to keep track of settings related to a user and their alert subscriptions. What account is used to create the child record... | Solution: The account for the user who is logged in to A1PE is the one that is used to make the AlertUserDef record. That user must have rights to create and modify records in IP.21 (specifically against AlertUserDef).
Additional Details: The actions for creating or editing an AlertUserDef record are handled by the ... |
Problem Statement: Users can write supplemental code for their Aspen Fidelis models in VSTA. The Watch Window can be used while debugging code in VSTA to view variables of interest. Users may see the following error while trying to view a variable in the Watch Window. | Solution: When this error appears, it is usually because the debug settings need to be changed.
Open Visual Studio
Click Debug -> Options
Go to Debugging -> General
Check the box for “Use Managed Compatibility Mode”
Exit Visual Studio
Next time you try debugging code, the error should be gone, and you should be able to... |
Problem Statement: ProMV Online agents are color coded based on their state. A purple agent indicates that there is a data disruption, a calculation error, or no license.
If you navigate to the agent dashboard, you will see a Result delay message.
This article shows how to check if the result delay is related to your e... | Solution: One possible reason for a delayed result is that your historian and ProMV are not able to communicate fast enough to exchange data in time for ProMV to execute the agent. The steps below show how to check if this is the case.
From the ProMV Online Continuous or ProMV Online Batch page, click on the wrench ico... |
Problem Statement: If you view a ProMV Online Agent Dashboard, you may see a red caution icon next to the Dashboard header. If you click on the icon, it has a message with the warnings NoDataXTags and MissingXVariables.
These messages appear when ProMV has not received updated data for a tag within a certain window of ... | Solution: First, we will check the frequency of the tag, and then we will update the stale time out window.
Return to the ProMV Online Batch or ProMV Online Continuous Agent Summary page.
Click the wrench icon in the top right and select aspenOne Process Explorer.
Close the Quick
Keywords: ProMV agent missing data
ProM... |
Problem Statement: When encountering an issue, Aspen eSupport consultants may ask for the Process Pulse support package which contains useful diagnostic information. This article describes how to generate the support package which can then be relayed to Aspen eSupport. | Solution: Open Aspen Process Pulse Dashboard and click on the i information icon in the right-side of the top ribbon, then click on the SUPPORT PACKAGE icon
You may type in any additional comments about the package and then click OK
A Windows dialog box will then appear. Save the file to a location on your system, the... |
Problem Statement: When connecting to a Mtell server from a remote desktop, a variety of network errors may occur, such as:
MIS web service error...Unable to connect to the remote server, A related KB article here: https://esupport.aspentech.com/S_Article?id=000095090, can be used to resolve the error if on the Mtell s... | Solution: These connection issues are commonly caused by network or firewall settings, we can use Windows commands (ping, netstat) as a starting point to help determine where the source of the issue is:
Open Command Prompt by typing cmd in Windows search
Execute ping Mtell server
Example: ping 127.0.0.1
If the request ... |
Problem Statement: This problem has two parts. After upgrading from V12 to V14, when machine learning agents are triggered and emails are sent out, the received emails display a configuration error message, and the sensor trends are completely missing from the email. The error message is shown below:
To resolve config... | Solution: s, (1) replace the config file with one from a proper V14 installation (2) if a compatible config file is not available, uninstall Mtell, delete C:\inetpub\wwwroot\AspenTech\AspenMtell\APM directory, reinstall Mtell.
The instructions for replacing the config file are as follows:
Replace web.config file
Open... |
Problem Statement: The alert email for tags subscribed in aspenONE Alerts application accessed from aspenONE Process Explorer are received as text as seen in screenshot below
instead of a formatted message demonstrated in screenshot below. | Solution: Verify that the file called EmailConfig.txt exists in C:\Program Files\AspenTech\InfoPlus.21\db21\code folder. If not, copy the file EmailConfig.txt attached to thisSolution to C:\Program Files\AspenTech\InfoPlus.21\db21\code folder.
Keywords: alerts
email
e-mail
text
References: None |
Problem Statement: Can´t upload an image to Aspen Graphic Studios following the next steps:
Open Aspen Graphic Studios.
Go to File, Open, Project/Graphic.
Go to Draw, Static Object, Image.
Select the Image you´d like to insert and click Open. | Solution: If the name of the Image contains a “.” you won´t be able to upload it. Delete the “.” on the name. Aspen Graphic Studios should now recognize the Image.
Key Words
Graphic Studios
Image
Upload
Keywords: None
References: None |
Problem Statement: This knowledge based article describes how to enable debug logging for TSK_KPI task. | Solution: Note: please take a backup of Aspen InfoPlus.21(IP.21) database snapshot from IP.21 Administrator first.
1- Load the attached DebugTask.RLD to IP.21 database in IP.21 Administrator. Please refer to KB000077937 - How do I load a Recload file (.RLD) into an Aspen InfoPlus.21 database?
2- Stop and start the... |
Problem Statement: How to create more than one Unit Operation Event using Edit in Excel? | Solution: To edit, add or delete event data using the multi-event editor template:
On the Event interface, select the events you wish to edit. You can either use SHIFT+click to select individual events or click and drag around the desired events to select multiple events. Your selected events are highlighted. Right-cli... |
Problem Statement: How the Find Object tool works in Aspen Plus? | Solution: Activate by RMC on flowsheet then Find Object (or type Ctrl F) or select from the View ribbon
Very useful for navigating large, complicated flowsheets
Works in both the Properties and Simulation environments
Keywords: Aspen Plus, Find, Object
References: None |
Problem Statement: How the flowsheet Copy/Paste functionality works in Aspen Plus? | Solution: You can copy and paste flowsheet objects while maintaining the integrity of the input data within the input forms for the selected objects:
Highlight block(s) and/or stream(s)
Choose Copy from the Home ribbon, or right-click and choose Copy, to make a copy of the objects within the selection rectangle
Or, cho... |
Problem Statement: What is the difference in use between Pipe and Pipeline Models in Aspen Plus? | Solution: Both models calculate the pressure drop and heat transfer changes due to acceleration, friction, and elevation
Pipe block models a single pipe segment
Pipeline models a multiple-segment pipe
Calculation options:
If the inlet pressure is known, Pipe or Pipeline calculates the outlet pressure
If the outlet pres... |
Problem Statement: What is the difference in use between Compr and MCompr Models in Aspen Plus? | Solution: Compr block can be used to simulate:
Polytropic centrifugal compressor
Polytropic positive displacement compressor
Isentropic compressor
Isentropic turbine
For multi-stage compressors, use MCompr
MCompr can have intercoolers and knockout streams between stages
Keywords: Aspen Plus, Compr, MCompr
References: N... |
Problem Statement: How Aspen plus reports the volume flowrate Nm3/hr vs Sm3/hr and what is the best way to make this information available through stream <add properties>? | Solution: 1. For AspenPlus, the volume flow unit Nm3/hr is equal to Sm3/hr.
2. Basically for volume flowrate, there are three different sets of units with the word standard in their names used in various industries which are available in Aspen Plus, with different reference conditions:
• Standard vapor volu... |
Problem Statement: How to view the plate efficiency when using the rate-based modelling in Aspen Plus? | Solution: To show the plate efficiency in a column, from Blocks| Column name (eg. C-101)| Rate-Based Modeling| Rate-Based Report| Efficiency Options, check the box before the “Include tray efficiencies”.
After that, re-run the column model and view the rate-based report on the Blocks| Column name|Rate-Based Modeling| ... |
Problem Statement: What physical property model does HYSYS BLOWDOWN use? | Solution: Unlike HYSYS Depressuring, HYSYS BLOWDOWN uses a unique physical property method called PREPROP. It is a computer package specially developed for BLOWDOWN by Imperial College, which calculates the thermo-physical properties of multi-component mixture by an extended principle of corresponding state (i.e. commo... |
Problem Statement: The routing process reported no errors when the Auto Force Through Rack option was ON. However, certain branch pipes have unnecessary bends, and in some instances, pipes cross one another. | Solution: The answer to this issue is to manually remove the Volume Rack ID from the. lls file (the Line List File).
Let's examine the identical sample model and determine the rack volume.
The only way to remove the Rack Volume IDs assigned by Auto Force Pipes in the current version of V14.0 OptiPlant is to manually d... |
Problem Statement: How does OptiPlant calculate Foundation? | Solution: The method for calculating foundation in OptiPlant is described below.
Foundation Overview
OptiPlant automatically calculates the required foundation for all equipment and steel placed either at grade or above grade or below grade elevations based on various soil properties and site conditions.
User can sele... |
Problem Statement: Why am I unable to see the calculation for the foundation? | Solution: You must review and make adjustments to your Plot Plan Information and Parametric Forms to ensure they are on the same Grade Elevation/Elevation (Z) because OptiPlant will automatically calculate the required foundation for all equipment and steel placed at grade.
Plot Plan Information can be accessed under ... |
Problem Statement: How should vapor-liquid (VLE) or liquid-liquid (LLE) solubility data be regressed in Aspen Plus when the composition of only one phase is available for each temperature? | Solution: It is possible to regress vapor-liquid (TPXY) data with missing phase compositions; however, it is usually not possible to regress liquid-liquid (TPXX) data with missing phase compositions.
Aspen Plus can estimate missing vapor-liquid equilibrium TPXY points, but it can only estimate missing binary liquid-liq... |
Problem Statement: What is the best route to use LLE data that is not in mutual solubility pairs in data regression?
My normal procedure is to graph the data in Excel, and use an graphical interpolation add-in (such as CharTools) to pull off mutual solubility data. It works but is time consuming. Is there a way to use ... | Solution: From compositions in one liquid phase, it is difficult to estimate the composition in the other liquid phase for multicomponent mixtures computationally. Using Raoult's law, Aspen Plus can estimate vapor phase compositions missing in vapor-liquid equilibrium (VLE), but this does not work for liquid-liquid equ... |
Problem Statement: What is the BIOFEED databank new in V14? Where were the parameters obtained? | Solution: The BIOFEED databank contains parameters for 19 base biomass components, 13 intermediate and product conventional components, and 530 biocomponents used as feeds to biomass conversion processes. It should be used only with one of the methods in the BIOCONV filter as base property method.
The biocomponent feed... |
Problem Statement: Is it possible to use multiple sets of NRTL parameters? | Solution: Yes, it is possible to use multiple sets of most thermodynamic and transport parameters. The different data sets need to be associated with different property methods. These different property methods can be used for different flowsheet sections (specify on the Properties | Specifications | Flowsheet Sections... |
Problem Statement: This knowledge base article illustrates how to resolve the issue of DMC3 Builder Keeps crashing when switching to Simulation or Optimization node. | Solution: A crash event of DMC3 builder when trying to open the simulation or optimization node, and an error message pops up (DMC3Builder has stopped working)
To overcome this issue, follow the bellow workarounds:
Review the Event viewer (Application, System, and security) for clues.
you may also use the filter optio... |
Problem Statement: How to provide Cut-Off length in Pipe-Rack for a line list template in Aspen OptiPlant 3D layout? | Solution: The second stage of the Aspen OptiPlant 3D layout work-process is input generation which comes after the completion of 3D equipment and structure modeling. After creating a line-list, the user can terminate a pipe running in a pipe-rack or a rack volume by specifying the cut-off length in the Line-List Templa... |
Problem Statement: This knowledge base article illustrates how to resolve the issue of unable to add or edit configure composite participation in DMC3 Builder, where the windows dialog is not editable as below: | Solution: Usually, this problem with the dialogs occurs when a non-standard font size is used.
So, to overcome this issue try using 100% font size on your machine, and that require a reboot to be effective.
The dialog should look like the below:
Note: If you are using VM (Virtual Machine), try rebooting the VM after... |
Problem Statement: This knowledge base article explain how to record who had made manual entries into or had made changes to records in Aspen InfoPlus.21 (IP.21). | Solution: Many customers are asking whether there is a way to record or know who made the IP.21 manual entries.
Although IP.21 does not track changes within the database, it is possible to record who had made manual entries or changes to records through the use of Aspen Audit and Compliance Manager (AACM). AACM need t... |
Problem Statement: On Aspen Production Execution Manager MOC, you will need to enter the audit reason for some procedures. It is possible to configure Aspen Production Execution Manager to not require an audit reason or store an audit trail? | Solution: There is a key to stop the MOC from requiring audit reasons.
Open folder C:\Program Files\AspenTech\AeBRS\cfg_source, and use Notepad to edit the file flags.m2r_cfg
Find AUDIT_REASON_MANDATORY and set it to zero:
AUDIT_REASON_MANDATORY = 0
Save the file, and then run the 64-bit codify_all.cmd as administ... |
Problem Statement: On Aspen Production Execution Manager MOC, how to remove the requirement to provide the domain name every time you are asked for your user credentials? | Solution: There is a key to remove the requirement to provide the domain name.
Open folder C:\Program Files (x86)\AspenTech\AeBRS\cfg_source, and use Notepad to edit the file config.m2r_cfg
Find the DEFAULT_DOMAIN and set it to your server domain name:
e.g. DEFAULT_DOMAIN = MES
Save the file, and then run the 32-b... |
Problem Statement: On Aspen Production Execution Manager (APEM), how to edit a Recipe Procedure Logic (RPL) that has a verification order? | Solution: If the RPL is being used in a verification order, then we need to cancel the order first. Open the Orders interface, select the verification order, and click “Cancel order”.
Then click “Library”, and select “RPL Verify”.
The RPL Verification interface will pop up. Select the RPL that we want to modify, and ... |
Problem Statement: On Aspen Production Execution Manager MOC, you will be automatically logged out after being inactive for 300 sec. How to stop this behavior? | Solution: There are keys to prevent the auto log-out from happening in MOC, Operations, and the web applications.
Open folder C:\Program Files\AspenTech\AeBRS\cfg_source, and use Notepad to edit file path.m2r_cfg
Find INACTIVITY_PERIOD, OPERATION_INACTIVITY_PERIOD, and WEB_INACTIVITY_PERIOD (add them to the end of t... |
Problem Statement: On Aspen Production Execution Manager (APEM), is it possible to have a canceled phase go back to active, and how? | Solution: When we execute an order, if we cancel a phase, the phase will show Cancelled and can not be executed directly on the order tracking or workstation BP.
In order to execute this phase again, we need to open the Orders, then select the Phase tab, and Reactivate the canceled phase.
After the phase is reactiva... |
Problem Statement: On Aspen Production Execution Manager (APEM), how to create a new Recipe Procedure Logic (RPL)? | Solution: On the Aspen Production Execution Manager MOC, click the Library, and then select RPL Design.
The Recipe Procedure Logic List interface will pop up, and then click + button to insert a new RPL.
The RPL Management page will pop up, and you can fill out the Name, Description, etc...
Click Confirm. Then add ... |
Problem Statement: What information is contained in Arc.dat, Arc.key, and Arc.byte? | Solution: Arc.dat, Arc.key, and Arc.byte are located in “C:\ProgramData\AspenTech\InfoPlus.21\c21\h21\arcs\arc#” (or wherever a file set is created).
Arc.dat contains the process data for points (timestamps, values, qualities) between archive start and end time.
Arc.key is a binary tree index into the arc.dat and arc.... |
Problem Statement: If not configured correctly, the Microsoft SQL database can have a very aggressive memory utilization, leading to performance issues and possibly an interruption of the GDOT services. | Solution: To limit the amount of memory that Microsoft SQL Server can use, there is a server property called “Maximum server memory”. By default, this parameter is set to 2 petabytes (2,147,483,647 MB), for practical purposes this represents an unlimited amount of memory that it can use, so if it is not modified the pr... |
Problem Statement: How to perform a radiation analysis for the Flare Tip in Aspen Flare System Analyzer v14. | Solution: The Radiation tab of the Flare Tip Editor allows you to determine the levels of thermal radiation emitted from flares, which serves as a key factor in facility design. This information is used to site flares and to establish flare stack heights to ensure that workers and equipment are protected.
The American... |
Problem Statement: How do I convert an existing legacy Aspen DMCplus ACO application (MDL/CCF platform) to an Aspen DMC3 application? The user can convert to a DMC3 application by either remaining on the ACO platform (MDL3 and CCF files) or converting to the RTE platform (DMC3 Builder). This article will address how to... | Solution: Please note that the following license is required for conversion to DMC3: SLM_RN_APC_DMC3. You may use the aspenONE SLM License Manager tool > License Profiler to verify that this license key exists. If it does not, please submit a license key upgrade request here: License Request (aspentech.com)
Method 1: ... |
Problem Statement: Is it possible to use an electrostatic precipitator (ESP) to droplets instead of solid particles?
For example, can you model a coke oven gas (COG) processing unit in Aspen Plus? This unit is mostly used to clean COG by stripping tar and BTX from the raw gas. There is an electrostatic precipitator (E... | Solution: The electrostatic precipitator (ESP) works on the principle that electric charge builds up on the outside of particles or droplets of fluid. The calculations require particle size distribution information in order to calculate the surface area and surface-to-volume ratio of the particles or droplets as this ... |
Problem Statement: Aspen SQLplus query that provides detailed information on Aspen InfoPlus.21 repositories. | Solution: The attached query provides information on Aspen InfoPlus.21 repositories.
It displays detailed information on history repositories and filesets in an Aspen InfoPlus.21 system using the AtIP21HistAdmin object in the Aspen InfoPlus.21 History Administration Scripting Interface and the Aspen h21qwatch.exe progr... |
Problem Statement: BatchSepで、NRTLなどの活量係数モデルを使用する際に、塔内では気液平衡のバイナリパラメータ、コンデンサーでは液液平衡のバイナリパラメータを使うことができますか？ | Solution: BatchSepでNRTLの気液平衡と液液平衡のバイナリパラメータを使い分けるには、NRTLとNRTL-2という物性推算法を2つ用意し、例えばNRTLに気液平衡、NRTL-2に液液平衡のバイナリパラメータを割り当て、使い分けることができます。ここで、設定手順を説明します。
① 下記のようにNRTLとNRTL-2という２つの物性推算法を設定します。
② NRTL用のBinary parameterはNRTL-1で、例えばこれには塔内用の気液平衡のBinary parameterを設定します。NRTL-2のBinary parameterはNRTL-2で、これにはコンデンサー用の液液平衡のBinary param... |
Problem Statement: Does Aspen Cim-IO core on Aspen InfoPlus.21 Server connect to an older version of Aspen Cim-IO core on the Aspen Cim-IO Server, or vice versa? | Solution: All client/server versions of the Aspen Cim-IO kernel starting with version 4.8 are backward and forward compatible with one another. This means that a customer can use a newer version of the Aspen Cim-IO kernel on the Aspen Cim-IO server, but not touch the kernel version on the Aspen InfoPlus.21 server. It's... |
Problem Statement: On versions V12, V12.1 & V14 there isn’t an option to configure the column sets from within APC Web the way that you can with classic PCWS configuration tab. Is there a workaround for this or is it even possible to customize APC Web like this? | Solution: Even though there isn’t an option to directly customize the column sets from APC Web, the customization that you do from PCWS also affects the look of APC Web.
Let’s say that for example we modify the Operations view to add a user defined entry:
This is how it looks on PCWS:
And how this changes also affec... |
Problem Statement: How to get rid of the following error message Cannot enter the Safety Environment. Ensure a simulation case is open and active in Aspen HYSYS Safety Environment? | Solution: In order to get rid of the following error message Cannot enter the Safety Environment. Ensure a simulation case is open and active in Aspen HYSYS Safety Environment:
The HYSYS file has to be in .hsc format instead of Template format (.tpl) in the Safety Environment.
Note that there is no direct way to conv... |
Problem Statement: In the DMC3 Builder desktop tool, in the Online tab, in Servers view, there is a button in the top tools ribbon called Configure Intermittent Tags.
If this feature is attempted to be used for an intermittent variable in an FIR DMC3 controller, it will not work and you may see the following symptoms:... | Solution: Based on this information, in the use case of FIR DMC3 controllers, the user should use the traditional calculation method to set the analyzer reading instead of using this feature. The following KB articles can provide additional information on this traditional method:
Configure Intermittent Variables in DM... |
Problem Statement: Some models may need a complex initialization strategy to solve robustly. One approach commonly used is to solve the equations using a simple formulation, then activate a more rigorous formulation (for example by changing a parameter) and solve again. This means the block needs to be solved multiple ... | Solution: New in version 2006, the model developer can attach a script to the exported model. The script must be named EBSOLVE. The script must be written using the Object Oriented Modeling Framework (OOMF) scripting language (not VBScript).
In its most simple form, the EBSOLVE script can consist in the single Statemen... |
Problem Statement: When you configure the ADSA with a datasource either manually or using the Aspen Database Wizard and then open any of the Server or Clients tools you are not able to see the datasource or connect. An error may also show 'No datasource available'. | Solution: If the user installing the software or changing the ADSA configuration does not have access to the registry or the UAC is turned to High then then the datasource is not entered into the registry.
To verify this you will need to open REGEDIT with Administrator access and locate the following keys depending o... |
Problem Statement: Aspen Production Execution Manager (APEM) client machines are temporarily losing connection with the server. A symptom of this is that phases fail to auto-start. Another symptom is that the scripts in recipes are not activating - so background task is not happening – and operating screens are not upd... | Solution: A likely cause of these symptoms is an unstable connection between client and server. Clients are dropping out of the network (either through WiFi connection failure) or the operator turns the machine off without first closing MOC, causing Apache server to continually try to reconnect, eventually using up all... |
Problem Statement: New PipesimLink Extension | Solution: In HYSYS V14, the legacy PIPESIM Link was replaced with a new PipesimLink Extension. Like the previous PIPESIM Link, this operation allows you to use the PIPESIM software package within an Aspen HYSYS framework. PIPESIM 2017 and later versions are supported, allowing you to take advantage of newer functionali... |
Problem Statement: When using ABE end-user applications the software communicates with a database on a server, this can either be a local or enterprise server. This server connection can fail for multiple reasons. In this article, you will find a recompilation of troubleshooting suggestions for the server connection. | Solution: Local Server
Make sure that ABE Local Server has been installed. See the following KB article: https://esupport.aspentech.com/S_Article?id=000099840
Add the broker account to the ZyqadAdminitrators group in the Computer Management | Local Users and Groups | Groups | ZyqadAdministrators | Properties to have co... |
Problem Statement: This Knowledge Base article illustrate how to resolve the “Server error in ‘/SQLplus’ application” when trying to generate report of PID loop in PCWS | Solution: Many customers reported a “Server error in ‘/SQLplus’ application” when trying to generate report of PID loops which is configured in Aspen watch maker for performance analysis.
The following KB article explain how to:
Why are Aspen Watch reports successful only from Aspen Watch computer?
https://esupport.as... |
Problem Statement: What can be done to ensure that the folders show up in the tree view pane? | Solution: Assuming that the folder structure in the Aspen InfoPlus.21 database is undamaged, a registry entry will need to be set on any machine which has an Aspen Tag Browser. This is true beginning with version 10 of the Aspen Manufacturing products.
Starting with version 14 of the Tag Browser, click the View | Opt... |
Problem Statement: Exporting a Component List or Fluid Package from Aspen Plus may be required at times, either to utilize them in Aspen HYSYS or as a foundation for another Aspen Plus model. In this article, we will discuss the steps involved in exporting such information. | Solution: The following steps outline the process for exporting an Aspen Plus component list:
1. Open Aspen Plus and navigate to the File menu
2. From the navigation pane select Export and then File
3. In the File Export dialog box, choose Aspen Properties Backup Files (.aprbkp) as the file type and provide a name t... |
Problem Statement: The Wilke-Chang correlation in Aspen Plus help indicates a 2.26 association factor for water, while Poling's Properties of Gases and Liquids suggests a value of 2.6. | Solution: According to the Hayduk and Laudie paper from AIChE Journal (May 1974, p. 611), the Wilkie-Chang correlation with a water association factor of 2.6 resulted in an average error of 6.9%. However, reducing the factor to 2.26 led to a decrease in the average error to 0.4%, as stated on the first page of the atta... |
Problem Statement: Microsoft recently released a Windows 10 Patch : KB5019959, which is impacting AORA communication with SQL model server.
Microsoft Windows / Security Updates introduced some incompatibility on the AORA Client PCs.
AORA users get the error SQL Return: SQL_Invalid_Handle Error Code 00000, SQL Return:... | Solution: Microsoft released monthly security update patch which has fix for this issue.
Customers can utilize the Microsoft update feature to access cummulative security patches to resolve errors related to an ODBC component (sqlsrv32.dll) that prevented some customers from accessing AORA/ATOMS applications on their ... |
Problem Statement: If the correct keys are not set on the license file, the GDOT Online application, Web Viewer, Model Update or Data Reconciliation will not run, where can we find the license log to review what is happening? | Solution: Here is an example of a GDOT Online application that will not connect:
By reviewing the log that is created alongside the configuration and model files, we see the following errors:
2/14/2023 3:36:22 PM No license is available. Application is terminating.
2/14/2023 3:36:22 PM See license log for more info... |
Problem Statement: How do I configure PIMS/APS in order to pass planning targets (KPI) from Aspen PIMS to APS? | Solution: In order to pass planning targets you must follow the next steps:
APS integration configuration services
1. Open the program as administrator:
2. It will ask for the name of the machine and some ports. If the ports selected are not open you will need to open them using the Windows Firewall:
3. ... |
Problem Statement: I am getting the error HTTP Error 500.19 - Internal Server Error in Aspen Unified, how can I solve it? | Solution: Go to IIS and double-click on your application server. In this example, the name is PSCV121. Then, double-click on Feature Delegation.
Right-click on Authentication- Anonymous and Authentication-Windows and select Read/Write.
Keywords: HTTP, 500.19, Internal Server Error, AU, AUP, GDOT.
References: None |
Problem Statement: How can I create and read a Trancol Report in PIMS? | Solution: How is it useful?
This report is also known as the substitution report. The term substitution report results from the fact that the coefficients in the body of the table for a limiting (non-basis) variable indicate what will happen to the non-limiting (basis) variables that are rows of the table.
How to creat... |
Problem Statement: This article explains how to install Cim-IO server . | Solution: If you are installing for AspenONE Advanced Process Control, Cim-IO server will be automatically installed when you install Aspen APC Online or Aspen APC Performance Monitor.
If you are installing for AspenONE Manufacturing Execution System, you can select Aspen Cim-IO Interfaces in AspenONE installer, the C... |
Problem Statement: With the recent hardening changes that Microsoft implemented on DCOM technology, it is unclear how this affects APC controllers and what patches need to be applied to address this. | Solution: The AspenTech patches that address the DCOM hardening changes can be found on the following Knowledge Base article:
https://esupport.aspentech.com/S_Article?id=000099493
On the APC environment, there are 2 main products that are affected by the Windows DCOM hardening changes, one is Configure Online Server an... |
Problem Statement: You are trying to train a Maestro agent or view its trend in Agent Builder. You have tested the connection in System Manager and see that it’s successful, but you are getting errors when working in Agent Builder.
Under Log History in System Health, you see the following message.
StatusCode: 404, Rea... | Solution: Open Aspen Mtell System Manager, go to the Configuration tab -> Settings -> Maestro
Click the Test button next to each of the URLs. You want to see success messages that match the following screenshot.
The Maestro Calculation Engine URL message should reference “online,” the Maestro Model Builder URL message ... |
Problem Statement: The error Could not load file or assembly Proficy.Historian.ClientAccess.API,... or one of its dependencies may appear while configuring the GE Proficy historian adapter or under Agent Services logs. | Solution: For Proficy versions 3.x and 4.x, the GE Proficy adapter needs the GE Proficy Client Tools to be installed on the machine where the adapter is located. For Proficy 5.x and later the client tools may be installed anywhere, but you must copy the Proficy.Historian.ClientAccess.API.dll assembly to the following f... |
Problem Statement: How to setup site filtering in Aspen Mtell?
It is often required during the setup of a multi-site installation to separate the users access across the different sites. This can be handled with the site filtering options
Before filtering:
After filtering: | Solution: Open Aspen Mtell system manager
Select the Configuration tab
On the left menu click on the Security Setting option
Check the Security Enabled checkbox
Check the Site Filter Enabled checkbox
Save with the button in the ribbon
Navigate to the Groups submenu within the Security settings options
Select the group ... |
Problem Statement: While using Mtell Alert Manager, the page may not be syncing or updating properly, the probability trend is not viewable in alerts listed from anomaly and Maestro failure agents, and other general issues may occur | Solution: This article details how to restart MAM services to try and resolve general issues with services either being stopped or needing a manual reset.
MAM relies on three services to function correctly:
APMDataCollector
APMDataTransformer
RabbitMQ
Follow these steps (in order!) to restart MAM services:
Right clic... |
Problem Statement: What are the requirements to import 3D DXF file into Aspen OptiPlant 3D layout? | Solution: OptiPlant allows you to create 3D Plants through modeling of Structures and Equipment. The product has a library of pre-defined equipment and structures which you can select to model them. Another option for modeling equipment and structures: BY 2D/3D DXF. You can Import just as a reference to validate the mo... |
Problem Statement: This video | Solution: outlines how to perform a clean restart of an Aspen Cim-IO Interface with Store and Forward enabled.
Solution
The following are general guidelines for stopping and starting an Aspen Cim-IO Interface with Store and Forward enabled. The exact procedures may vary depending on the version of the Cim-IO, the inte... |
Problem Statement: Detailed description of vulnerability CVE-2021-44548 as advised on the https://nvd.nist.gov/ website:
An Improper Input Validation vulnerability in DataImportHandler of Apache Solr allows an attacker to provide a Windows UNC path resulting in an SMB network call being made from the Solr host to anoth... | Solution: We do not deploy with any configured DataImportHandler. Users should, none the less, be sure to restrict access to the hosting Solr system, Solr ports and configuration (see Guidance for Securing Solr port 8983 for V12.0 and later versions of A1PE).
Users can confirm that no DataImportHandler is configured by... |
Problem Statement: In the context of this document, the term GET record refers to an IO Transfer record defined by any of the following Definition records:
IoGetDef
IoGetHistDef
IoLLTagGetDef
IoLLTagUnsDef
IoLongTagGetDef
IoLongTagUnsDef
IoUnsolDef
Is it more efficient to have a large number of GET records, each... | Solution: In general, it is more efficient to have a small number of large GET records rather than a large number of small GET records. In the example above, it is better to have two records, each with 500 occurrences. Having many GET records requires more time to process as more lists of tags will be sent to the Aspen... |
Problem Statement: This knowledge base article describes how to obtain locking information while requesting an AspenTech license. | Solution: 1. Download the attached SLM Locking Tool executable to the machine on which you will install the license. This applies to both standalone licenses and network licenses.
2. Run the SLMLockInfo.exe. You will see a screen similar to the one below:
3. Click on the Copy to Clipboard button then copy the conte... |
Problem Statement: Detailed description of vulnerability CVE-2022-42252 as advised on the https://nvd.nist.gov/ website:
If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default f... | Solution: Update Tomcat Server.xml configuration settings to reject illegal headers. To reject illegal headers in Tomcat do the following:
Stop the Apache Tomcat service in Services.msc
Go to the Tomcat subdirectory named conf
Make a copy of the server.xml file for safe-keeping
Open Notepad (run as administrator), open... |
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