Revision History for SysCAD 9.1

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Navigation: User Guide ➔ SysCAD Version History ➔ Revision History for SysCAD 9.1

Changes in SysCAD 9.1 Build 127

Build 127 first released in January 2009

Key items:

  1. First 127 version released in January 2009.
  2. Implemented new Get Tag List Model.
  3. New Alumina 3 Bayer Species Model. (Note that if you were using earlier Build 126 versions of Alumina3, your projects will need to be checked and converged again due to improvements and changes.)
  4. New Alumina 3 Precipitator Model. (Note that if you were using earlier Build 126 versions of Alumina3, your projects will need to be checked and converged again due to improvements and changes in the precipitator. If required, contact Kenwalt for further information.)

Other items:

  1. Build 5280: Added Set Tag List option in Plant Model.
  2. Build 5405: Added Residence Time field to Tank for ProBal and Dynamic.
  3. Build 5434: Improved Shell and Tube Heat Exchanger 2 display of warning messages and results for different configurations.
  4. Build 5447: Added new PGM string functions Trim() and TrimWhitespace()
  5. Build 5524: Improved size distribution display of measured values.
  6. Build 5580: Minor improvements to Specie Data ($SDB) Access window for tags and conversion displays.
  7. Build 5617: Some PSD display improvements. Made PSD fraction fields read only in pipes.
  8. Build 5637: Improved turbine tests and warnings for bad feed conditions.
  9. Build 5815: Corrected Alumina3 Bayer DefineLiquor calculator in feeder. Note: Feeder outlet stream compositions will changed if Alumina3 DefineLiquor was used.
  10. Build 5852: For dynamic added tags for TotalSpilt for pipes and Total Feed or Sink for reaction source or sink.
  11. Build 5868: Minor improvements in feedback for Excel Reports and setting Tags.
  12. Build 5915: Fix for HeatOfReaction with '/' in in specie name; and for RB Sink speciecie starting with a numeric character.
  13. Build 6180: Fix error when renaming graphics pages. Add WhiteBateman yield method to Precipitator3 model.

Notes on upgrading to Build 127 (from earlier 9.1 versions):

  1. Recommend full install. This includes new & improved example projects, updated off-line help files and updated tutorial projects.
  2. Before installing SysCAD 9.1 Build 127:
  • Delete the folders "\syscad91\bin" and "\syscad91\basefiles".
  • Delete the folders "\syscad91\examples" and "\syscad91\tutorial". If for some reason you have stored any personal files or projects in these folders, copy these to a different location first.
  • If the folders described above are removed first, then when SysCAD is installed there will be no confusion with old files.
  • If your active license is located in the folder \syscad91\license take care to not delete, move or rename the license folder.

Changes in SysCAD 9.1 Build 126

Key items:

  1. First version to use the new SysCAD logo.
  2. New Reaction Editor for editing of rct files.
  3. Improved options and display for Makeup Block (MU). This includes new options to control Product Temperature and obtain a specified temperature change. The Simple Control option has been replaced with new options called Product Flow, Product Composition and Product Concentration.
  4. Implemented new Single Variable Histogram model. This model can calculate and display statistical information about one variable.
  5. Implemented new Bivariate Statistics model. This model can calculate and display statistical information about two variables and their correlation.
  6. Implemented new Scheduled Events model. This model can simulate downtime of a piece of equipment due to a scheduled event such as maintenance or plant shutdown.
  7. Implemented new Downtime model. This model can simulate downtime of a piece of equipment due to a regular event (such as maintenance) and/or failure or other causes.
  8. In dynamic mode, the reaction block can now act on the Feed to a Model with Surge, refer to Reaction Block.
  9. Implemented new Insert Symbol command. This allows "dumb" graphics to be inserted without a mathematical model.
  10. In Build 3090, the Heat Exchange Extra add-on has been renamed to Power Plant add-on. The Cooling Tower and Falling Film Evaporator models have been moved from the old Heat Exchange Extra add-on to the Heat Exchange add-on.
  11. In Build 3748, added the LIKE option for Excel Tag Select Reports.
  12. In Build 3952, improved implementation of combustion Heating Values.
  13. In Build 4356, added options for managing vapours in tanks in dynamic transfer mode.
  14. In Build 4391, implemented a new gas Compressor model.
  15. In Build 4635, added component molar flow option to the stream view. See Material Flow Section.
  16. In Build 4747, improved implementation of Filter Press model, including addition of new options.

Other items:

  1. There is now a customisable PGM template.
  2. There is also a customisable reaction file (rct) template.
  3. SysCAD will create a new subfolder for reactions and move any reaction files from the project into this folder.
  4. When using the Insert Unit and Change Symbol commands, the drawing group is now a drop down list. To choose from All symbols, the user will now choose *All* from the drop down list instead of checking the All Symbols tickbox.
  5. Fix for errors when using Isotherm method with Solvent Extraction Unit (Mixer/Settler) model, improved displays and data range warnings.
  6. Improved Falling Film Evaporator model, including new option to specify required temperature.
  7. Implemented test if attempting to load a project that was saved in a newer version of SysCAD.
  8. Improvements and fixes for use of GMT sub-model.
  9. Minor improvements in various unit models Belt Filter, Belt Conveyor II
  10. Fixed errors in Turbine, Boiler, Desuperheater and Cooling Tower when used in dynamic transfer mode.
  11. Fixed errors for dynamic surge calculations with reactions where Bayer property models are used.
  12. Minor graphics improvements: remember tag scale when redrawing links; option to show/hide all unit/link tags separately; improved tag change management for graphics annimation.
  13. Improved tag naming and save/recover options for the DirectLink.
  14. In Build 4791, added warning messages for low liquid Cp and error message for negative liquid Cp.
  15. In Build 5062, added total molar flows to access window for material flows (e.g. Pipe.Qo). See Material Flows.
  16. In Build 5089, added multi column support for the Set Tag List Model.
  17. In Build 5106, clarified and rearranged some of the specific heat and related access window displays in material flows (eq Pipe.Qo). See Energy Flows.
  18. In Build 5128, minor Excel Reports improvements and allow alternate report keywords.

Notes on upgrading to Build 126 (from earlier 9.1 versions):

  1. Recommend full install - new example and tutorial projects.
  2. If you wish to use the new Reaction Editor and your reactions files are not kept with the project, create a new subfolder in your project folder called reactions and move all your reaction files into it. Any reaction files which are already stored in the project folder will be moved to this subfolder automatically by SysCAD.
  3. Installation of Reaction Editor
  4. Due to the substantial changes made to makeup blocks, all makeups which were created in a build prior to 126 will need to be reconfigured. SysCAD will not allow the project to run until all makeups in the project have been checked and the ConfigChecked box has been ticked.

Changes in SysCAD 9.1 Build 125

  1. Implemented new Flotation Cell model.
  2. Implemented new Acidity (or pH indicator) display. See Acidity Calculations for further discussion and Acidity to see how the values are displayed.
  3. Implemented significant solver speed improvements especially on dual core PCs for ProBal projects. Change is related to how user interface updates are managed while solving.
  4. The tag position when inserting a model using the default graphics symbol will be below the graphics symbol. The library of all graphics symbols has been updated to include tag positions.
  5. The default graphics symbols for all the models have been reviewed. Some symbols have been changed (e.g. tank), relative scaling improved and the insert points have been centered.
  6. Added ability to print multiple graphics pages. New menu option "Print Multiple..." allows user to select any number of graphics pages in a single command.
  7. For density correction functions, fixed a critical error where the density correction function was incorrectly loaded when a limit is specified (see bug #939). Improved the display on the species data ($SDB) page which now displays solution density for user specified solute fraction.
  8. Some improvements for Makeup block with Makeup Source
  9. Significant improvements in display and management of the new graphics symbols for DirectLinks (with makeup blocks, etc) that were first introduced in Build 124.

Other items:

  1. Added a 'force write' option in SysCAD Marshal to allow user to force an OPC write of all or selected tags.
  2. Improved the access window display of the P&ID control unit to improve usability.
  3. New warning in reactions if a specie in a reaction is used that does not have the Hf or Cp data defined in the database. This warning is only given if a user defined heat of reaction is not used and an energy balance is required.
  4. PGM and RCT files can be manually moved to the project sub-folders 'controls' and 'reactions' respectively and SysCAD will correctly locate the files in the new folders.
  5. Fix for errors that occur when editing the specie database when problem characters were included in the project or folder names.
  6. Implemented "DampTogether" option for ProBal solver that allows this option to be set globally as well as for individual tears.
  7. Some fixes for use of partial pressures in tanks and heaters, with related affect on flash train calculations.
  8. Improvements in mixer settler and thickener for dynamic simulation.
  9. Improved logic for enabling user to set connection heights for pipes on models, now disabled if they are not relevant.
  10. Improved behaviour of gas flows in tanks for dynamic transfer models.
  11. Fix for vent connection in heat exchanger.
  12. For SMDK software developers, changed the lib file that is linked in to user compiled add-ons to devlib.lib from smdk1.lib. Implemented MStreamI class to differentiate from the MStream class which is now only a reference to an existing object (in other words, can only declare an instance of a MStreamI class).

Notes on upgrading to Build 125 (from earlier 9.1 versions):

  1. As the help files, SysCAD example projects and tutorial projects have been significantly re-arranged and changed, it is recommended that you re-install SysCAD 9.1 rather than simply unzip the latest update of the program files in the bin folder.
  2. Before installing SysCAD 9.1 Build 125, first delete the folders "\syscad91\bin" and "\syscad91\basefiles".
  3. In addition, before installing SysCAD 9.1 Build 125, first delete the folders "\syscad91\examples" and "\syscad91\tutorial". If for some reason you have stored any personal files or projects in these folders, copy these to a different location first.
  4. If these folders described above are removed first, then when SysCAD is installed there will be no confusion with old files.
  5. Take care to not delete, move or rename the license folder if your license is located in this folder.

Changes in SysCAD 9.1 Build 124

  1. Improved Cooling Tower model, new optional drift loss connection available.
  2. New online help files - Help Commands
  3. Implemented new GenPoly_Cp equation option for specie data base.
  4. Stricter testing for specie database entry for vapour pressure (Vp) data. Errors must be corrected before project can be loaded.
  5. Improved Thermal split (GMT) model used with GM in unit models (e.g. Tie, Tank)
  6. Evaporating mode in Shell and Tube Heat Exchanger
  7. Makeup block with Makeup Source
  8. New access window for DirectLink connections (e.g. between makeupblock and makeup source; or between tank and spill area)
  9. New graphics symbols for DirectLink connections
  10. Added ability to protect PGM code (and reactions and drawings). Contact Kenwalt for details.
  11. First SysCAD version released that is 'officially' compatible with Microsoft Vista (32 bit)

Notes on upgrading to Build 124 (from earlier 9.1 versions):

  1. There is stricter testing of specie database entries, in particular for vapour pressure (Vp) data, so specie database errors may be reported when the project is loaded. These will need to be corrected to continue.
  2. As the help files, SysCAD example projects and tutorial projects have been significantly re-arranged and changed, it is recommended that you re-install SysCAD 9.1 rather than simply unzip the latest update of the program files. Before installing SysCAD 9.1 Build 124, first delete these three folders "\syscad91\basefiles", "\syscad91\examples" and "\syscad91\tutorial". If for some reason you have stored any personal files or projects in these folders, copy these to a different location first. If these folders are removed first, then when SysCAD is installed there will be no confusion with old files. This can also be achieved by uninstalling SysCAD before re-installing SysCAD 9.1.

New version: SysCAD 9.1 (Build 120 to 123)

  • Build 120 is first official release of SysCAD 9.1
  • Build 123 is first widely released version of SysCAD 9.1

For notes on upgrading SysCAD projects from 9.0 to 9.1 see Upgrading Projects.

See below for a list of new features and changes in SysCAD 9.1

General:

  1. Added new functionality Insert Group and Create Group. User may use this function to copy and paste a group of SysCAD model into the current flowsheet or into a different project.
  2. Added New functionality Edit|Bulk Change Tag. User may use this function to change multiple tags within the SysCAD project. A number of filters can be used to find the tags easily and efficiently.
  3. New Explorer Window replaces the old Select Window and has additional features.
  4. Added new Graphics Window and Trend Window display options. User can now elect to reuse ONE graphics window and have only one graphics window in view at anytime. This is done via Options|General|Defaults.
  5. Implemented new Excel SysCAD Auto Tag Report: SysCAD_AutoTags(ReportName, H/V, MaxColCount, MaxRowCount, Option1, Option2...). A SQL select and orderby type statement can be specified as an option to select the primary tags to be included. The report first returns all the tags that meet the selection statement criteria, and then the data as for a normal SysCAD_Tags(...) report. Example: SysCAD_AutoTags("Pipes", H, 200, 30, Select [Graphic]=="05_Flowsheet" and [Type]=="Pipe", OrderBy Tag Asc)
  6. New Find Tag functionality.
  7. RCT and PGM files are now placed in a separate folder within the project folder.
  8. For density correction functions added option Limit(UpperLimit, PureDensity, DoWarning). Now get a "sensible" number if 100% solute and warning if solute fraction is above the limit.
  9. New PGM options TextLabel and PageLabel.
  10. New PGM Species Database Class (SDB) to access specie data from PGM code
  11. Improved specie data ($SDB) access window. Re-arranged and shows additional information.
  12. Stricter testing of specie database tags and parameters.
  13. Global Species model equation selection list moved from the Feeder Content page to the menu command View - PlantModel Globals tab page. Important Note: These equations selections will be of default values, user MUST check that they are set to the correct equations when running the project for the first time SysCAD 9.1.
  14. Improved graphics status colour display options. New link vapour and solids status colours.
  15. Changed name of first tab in access window to reflect the model class (type).
  16. Various SMDK (SysCAD Model Developers Kit) improvements and new functionality.

Models:

  1. Added New Reaction Option Final Fraction (remaining). See Reaction Block (RB) for more information.
  2. Added a check to ensure when user defines the reaction sequence number, the first reaction MUST contain the sequence information, if not, SysCAD returns an error and will not proceed.
  3. RefTemp in the Reaction Block (RB) changed to UserDefT. Also added variable UserDefP. These changes are only cosmetic as they are display variables only and would not affect any calculations.
  4. Reaction equilibrium extent is now an input field. See reactions.
  5. Renamed Tank connection ports to input and output rather than top, bottom and side.
  6. Improved VLE block with additional display of parameters.
  7. Enhanced VLE for flashing of single components other than H2O.
  8. Include effects of partial pressures for non-condensables in VLE flash calculations.
  9. Implemented Antoine vapour pressure equation for VLE.
  10. Added new 'FullyEvaporating' option to shell&tube heater.
  11. New makeup block model used with makeup source.
  12. New Thermal Split (GMT) option for a unit with general flow split model (e.g. tie) to allow user to specify alternate exit temperatures for the exit streams.
  13. Desuperheater model can now be used in a flash train.

Dynamic:

  1. Significant SysCAD Marshal improvements. Improved user interface, new function options, new deadband option.
  2. New Archive Reporter for generating reports as a model is executed.
  3. Numerous changes to Dynamic Transfer models.
  4. Tank model Inline control has changed.
  5. New batch feed option for pipes in dynamic transfer.
  6. Implemented tank level lookup option.
  7. Improved dynamic scenario management options.
  8. Improved time formating (integer based to remove rounding errors for large step sizes).
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