To execute the compiled program in a PLC, a Runtime (RT) is necessary. The Runtime must be up-to-date with the version of the editor (Idekit Studio). A new PLC which comes from the production may not be loaded with the most recent version of RT, and thus it is necessary to update the Runtime before a project is uploaded to the PLC. A red triangle at the version number in the list of found PLCs indicates an obsolete version of the Runtime.
Yellow triangle: it was not possible to read the Runtime version (most probably an active UDP firewall or another network issue)
Red triangle: obsolete Runtime version, please update the Runtime to continue
Grey triangle: obsolete Runtime version, however not critical. The update is recommended, although not necessary.
RT update is possible if a PLC is reachable over TCP and its platform is correctly attached.
Update the Runtime by right-click on the controller, select "PLC Operation" and „Upload RT“. The controller is restarted automatically after the new version of RT is uploaded.