Description of the behavior:
When going online, an online change is required even though no changes have been made to the project.
Under what conditions does this behavior occur?
The source code was transferred to the controller using the “Use Compact Download” option (in the “Project Settings” dialog, “Download Source Code” category) . The source code was then reloaded from the controller into PLC Designer, and an attempt was made to go online. Although no changes were made, an online change is required.
Affected products:
PLC Designer, version 3.0 and later
Short-term measures:
Disable the "Use Compact Download" option in the "Download Source Code" category of the "Project Settings" dialog (Menu : "Project" > "Project Settings") before downloading the source code of the PLC project to the controller.
Assessment/Recommendations:
If the source code of a project was loaded into the controller with the “Use Compact Download” option enabled, an online change is required when going online with this project from the controller. The “Use Compact Download” option is disabled by default. By default, the source code is not downloaded automatically to the controller; instead, this must be done manually (Menu
"File" > "Load Source Code to Controller").
Note: No change is planned for this behavior.
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