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CMH Software - Constructor Version History

Constructor version history back to version 10.0.

Constructor Version History

CMH Software is dedicated to improving the performance of the Constructor and providing users with the best experience in viewing, editing, creating, testing and teaching electrical ladder diagrams. This page lists recent updates and issue fixes to our software. We also recommend you sign up for our newsletter to stay current with what is going on at CMH Software and take advantage of our periodic promotions.


Version 15.0.9 - Maintenance Release - 1/31/23

Issues Addressed in Constructor 15.0.9
  • Fixed some symbol library issues
  • Improved Installation
  • Multiple Bugs Fixed

Version 15.0.8 - Maintenance Release - 1/18/23

New Features in Constructor 15.0.8
  • PDF Exporting: separated the legend scaling from the diagram scaling so that the legend no longer scales when the diagram is being scaled.
Issues Addressed in Constructor 15.0.8
  • Fixed Alignment Arrows for drawing tool properties
  • Improved Installation
  • Multiple Bugs Fixed

Version 15.0.1-15.07 - Internal Testing Only

Version 15.0.0 - Retail Release - 11/22/19

New Features in Constructor 15.0.0
  • Jumper Wires for the Troubleshooting Mode
  • Open file graphical preview for diagrams, templates, legends, PLC I/O, etc.
  • Find (Search) Text in diagram
  • Enhanced graphical display for groups and assigned or associated symbols
  • Additional Symbols Added
Issues Addressed in Constructor 15.0.0
  • Improved Installation
  • Multiple Bugs Fixed

Version 14.3.2 - Maintenance Release - 1/17/19

New Features in Constructor 14.3.2
  • Added - A save file checkbox option in Troubleshooting mode.
Issues Addressed in Constructor 14.3.2
  • Fixed a panel button actions problem with circuit breakers and fuses.
  • Fixed a problem with project options when a password was used.
  • Fixed a problem with locked drawing tools being able to be moved with the keyboard controls.
  • Fixed a problem with the silent install option.

Version 14.3.0 - Maintenance Release - 1/8/19

New Features in Constructor 14.3.0
  • Added - Safety warning for testing continuity on an energized circuit.
  • Added - Keyboard Interface (Shift + Arrow Keys) for adjusting the sizing of drawing objects. (Customer Request)
Issues Addressed in Constructor 14.3.0
  • Fixed a typo in the program.
  • Fixed a problem with the symbol editor working area.
  • Fixed a problem when inserting a document section into a document page.

Version 14.2.0 - Maintenance Release - 11/14/18

New Features in Constructor 14.2.0
  • Added - New features for PDF exporting, including creating multi-page PDF documents. (Customer Request)
Issues Addressed in Constructor 14.2.0
  • Fixed a problem loading some older Constructor version diagrams.
  • Fixed a problem selecting PDF paper size from the list.

Version 14.1.0 - Maintenance Release - 10/24/18

New Features in Constructor 14.1.0
  • Added - Four new single phase dual winding transformers (Customer Request)
    - Parallel winding primary, parallel winding secondary
    - Parallel winding primary, series winding secondary
    - Series winding primary, series winding secondary
    - Series winding primary, parallel winding secondary
Issues Addressed in Constructor 14.1.0
  • Fixed a problem where the probes on the test probe would still be visible if the test probe was hidden by using the “X” on the test probe.
  • Fixed a problem where the program would grab the focus anytime an arrow on the keyboard was used, even when another program had the focus.
  • Changed some file install locations. All files and folders that were previously installed in the user’s “Application Data” folder are now installed into the user’s “Documents” folder. This can help prevent the problems that some users were having when they didn’t have the correct permissions settings to access that location, and they would get an error about the folders not existing.
  • Fixed a few other minor visual glitches.

Version 14.0.2 - Maintenance Release - 9/18/18

Issues Addressed in Constructor 14.0.2
  • Fixed some minor visual bugs in the program.

Version 14.0.0 - Retail Release

New Features in Constructor 14.0.0
  • New Troubleshooting Mode
  • Defective Symbol/Wire Feature Added for the New Troubleshooting Mode
  • Test Probe for Power and Continuity
  • Advanced IT Install Features
  • Additional Symbols Added
Issues Addressed in Constructor 14.0.0
  • Improved Installation
  • Multiple Bugs Fixed

Version 13.4.3 - Maintenance Release - 1/18/19

Issues Addressed in Constructor 13.4.3
  • Fixed a problem with student subscription versions timing out too early.

Version 13.4.2 - Maintenance Release - 4/17/18

New Features in Constructor 13.4.2
  • Added more logs to the program for better troubleshooting when needed.
  • Added a feature to quickly reset the symbol library path back to default, if needed.
Issues Addressed in Constructor 13.4.2
  • Modified the way small fonts are used with the program.

Version 13.4.0 - Maintenance Release - 2/14/17

New Features in Constructor 13.4.0
  • Pasting is now supported between multiple running Constructors - Customer Request
Issues Addressed in Constructor 13.4.0
  • Modified the way the program and files are installed. Now uses a manifest system.
  • Fixed a glitch that prompted you the file had been changed when it had not.
  • Fixed a visual glitch.

Version 13.3.0 - Internal Testing Only

Version 13.2.0 - Maintenance Release - 9/8/16

New Features in Constructor 13.2.0
  • Added the option to turn the active mouse cursor feature on or off - Customer Request
Issues Addressed in Constructor 13.2.0
  • Fixed a bug assigning contacts to a the recycle coil.
  • Fixed a visual glitch with the time delay boxes and counter value boxes. The values were sometimes clipped.
  • Fixed a grid spacing bug that caused the spacing to be messed up.

Version 13.1.0 - Maintenance Release

New Features in Constructor 13.1.0
  • Symbol ID boxes are now automatically sized according to your selected ID box font size. - Customer Request
  • Added a pop open/close button for the right screen. Saves space and time. You'll like it.
  • Added various mouse cursors to show what you can do at that location on the screen.
Issues Addressed in Constructor 13.1.0
  • Fixed a bug with generating wire numbers.
  • Fixed various visual bugs in the program.
  • Fixed a bug loading some older version 10 ladder diagrams.
  • Fixed a bug in the insert/delete rung and column feature.
  • Fixed some issues when using a larger (125% or 150%) Windows system font setting.
  • Replaced the symbol grid reference box show/hide icon on the toolbar. - Customer request

Version 13.0.0 - Retail Release

New Features in Constructor 13.0.0
  • New Look and Feel
  • Printing at up to 300%
  • Thicker Wire/Line Option for Printing
  • New Zoom Features
  • Library Search Enhanced
  • Simulation Scripting (Run your diagram hands free) with Record
  • New Polyline and Chord drawing objects in the Symbol Editor
  • New Screen Synchronizing Feature for Navigation
Issues Addressed in Constructor 13.0.0
  • Improved Multiple Monitor Support
  • Multiple Bugs Fixed

Version 12.0.2 - Maintenance Release

Issues Addressed in Constructor 12.0.2
  • Corrected a compatibility issue with the Wincaps III software from Denso Robotics.

Version 12.0.0 - Retail Release

New Features in Constructor 12.0.0
  • PDF Export feature
  • PCF Export feature (Works with our Free Viewer)
  • SPDT Center Off contact class
  • SPDT Center Off switch class
  • DPDT Center Off switch class
  • Additional requested IEC symbols added to Library
  • All drawing objects stay visible during simulation now
Issues Addressed in Constructor 12.0.0
  • Improved MP Configuration Window
  • Improved MRU's
  • Fixed Up/Down Counter reset

Version 11.0.3 - Maintenance Release

Issues Addressed in Constructor 11.0.3
  • Corrected a problem when using the new four wire power point set

Version 11.0.2 - Maintenance Release

Issues Addressed in Constructor 11.0.2
  • Corrected a problem when trying to change the wire colors on a transformer.

Version 11.0.1 - Maintenance Release

Issues Addressed in Constructor 11.0.1
  • Corrected the problem where the new ID Text Boxes #3 & #4, the upper two boxes of a horizontal symbol cell, would not delete the text in the box when the box was cleared.

Version 11.0.0 - Retail Release

New Features in Constructor 11.0.0
  • New Symbol Library search features
  • New Three Phase Four Wire power point set
  • New Circuit Protection Fuse class
  • New Circuit Protection Circuit Breaker class
  • New Meter class
  • New 4-Wire Recycle (dry contact) relay class
  • New 3-Wire Standard relay class
Issues Addressed in Constructor 11.0.0
  • Added two additional ID Boxes for each symbol (A Total of Four Now)

Version 10.4.3 - Maintenance Release

Issues Addressed in Constructor 10.4.3
  • Fixed an problem with copy and paste. An error was generated when an MCS was copied and then pasted into the diagram.

Version 10.4.2 - Maintenance Release

Issues Addressed in Constructor 10.4.2
  • Fixed a problem with the legend bitmap pictures.
  • Fixed a problem with the Font checks at the start up of the program.
  • Fixed a problem with the Export form generating a “Invalid Property" error when exporting a diagram that is using a legend that uses a font that doesn’t exist on the users system.
  • Fixed a problem where an error occurred when loading/changing a picture in a legend and the users OS is set to hide extensions of known file types.

Version 10.4.1 - Maintenance Release

Issues Addressed in Constructor 10.4.1
  • Fixed a problem when deleting any text from a Terminal ID box.

Version 10.4.0 - Maintenance Release

Issues Addressed in Constructor 10.4.0
  • Fixed problem when loading a diagram that uses a font that doesn't exist on the users computer.
  • Fixed a problem with some printers causing an error when loading the diagram print preview.
  • Changed the program to display drawing object text boxes during simulation mode

Version 10.3.0 - Maintenance Release

Issues Addressed in Constructor 10.3.0
  • Fixed problem with ActionLinks where the symbol’s position in the actionlink was not updated when a symbol was moved.
  • Fixed the problem with printing Landscaped style Wire Labels documents.
  • Fixed the problem where a document’s FILE /EXIT would show a printer dialog instead of exiting the program.

Version 10.2.0 - Maintenance Release

Issues Addressed in Constructor 10.2.0
  • Added a new Text Layout type that gives more text area to the horizontal cells
  • Added a Text Layout combo box on the main screen and in the project wizard that allows a selection between normal and maximized text area.
  • Fixed a font issue with the wire label form, where an error was generated saying that the font size was too big for the selected label even when it wasn't.
  • Removed the wire label message that would say that the sample text was too large for the selected label.

Version 10.0.0 - Retail Release

New Features in Constructor 10.0.0
  • New menu system
  • New Project Wizard features
  • New Active Help system
  • New grid spacing controls
  • New wire number generator
  • New wire colors (symbol lines)
  • New workbook feature add documents and pictures to your project
Issues Addressed in Constructor 10.0.0
  • Moved simulation log to the second window

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