]> 2026-05-26T08:20:04+02:00 Updating Beckhoff TwinCAT3 Backend Version 0 en Draft How to update Beckhoff TwinCAT3 on beckhoff PC Easy 30 minute(s) The TwinCAT3 beckhoff systems have a special version of TwinCAT installed - the "Runtime" version XAR (eXtended Automation Runtime). This differs from the full "Engineering version XAE that is installed in the front end and camera PCs in that it is the bare bones of TwinCAT for machine running purposes. '''It does not have the Visual Studio editor in it.''' The runtime version may need updating to 3.4024.xx to allow the latest front end and PLC code to work false en Updating_Beckhoff_TwinCAT3_Version_Screenshot_2022-06-08_143448.jpg none On the desktop of the Beckhoff PC, right click the Twincat Icon in the taskbar and select "About Twincat..." TwinCAT version is displayed. 3.4024.xx is needed <div class="icon-instructions info-icon"> <div class="icon-instructions-icon"><i class="fa fa-info-circle"></i></div> <div class="icon-instructions-text">...The .xx is the build number. Generally, all .xx will be compatible, they release a new build number for bug fixes but will change the main version number when it becomes incompatible</div> </div><br/> The XAR version, not the FULL version Download it via teamviewer to the desktop of the Beckhoff PC you are updating Double click to run the update Click on ok for all defailts and allow all software from Beckhoff On the "visual Studio" Pc, restart visual Studio and reload the project. The system may ask to update the Safety Project (if this is a TwinSAFEmachine). This is necessary. <br/> Check the code is running by looking at the version contol file. <div class="icon-instructions info-icon"> <div class="icon-instructions-icon"><i class="fa fa-info-circle"></i></div> <div class="icon-instructions-text">...If the code is not running, the number highlighted in the orange boxes (version number) will be 0. Correct running will show the first significant digits of the version number - in this case 6.4</div> </div> If it is not running, restart thje PLC and reload the project and Activate configuration again If this still does not work, contact Beckhoff or GG Check the current version Download the XAR version from G Drive Run the update Reload the project Activate configuration Ensure the PLC code is running TwinCAT3 PCEngineer 2022-09-12T11:37:39Z 2459834.9844792 Updating Beckhoff TwinCAT3 Backend Version 0 false false 0 0 0 1 plainlist 3 [[:Dokit:DocOptions]] [[DokitEPIEnable::yes]] Updating Beckhoff TwinCAT3 Backend Version# QUERYee7a61aae48f1c3f91d8e4d7736360be Updating Beckhoff TwinCAT3 Version 0 fr Updating Beckhoff TwinCAT3 Version