What happens? The following error message appears when logging in:
Error during download:
8 unresolved reference(s), 0 signature mismatch(es), 0 version conflicts found!
The device version on the hardware seems to differ from the device version used in the project. Use Upgrade or Downgrade and try to match the version used in the project with the current device version on the hardware.
When does the problem occur?
The above-described error message may occur when logging in to the controller if the controller version was changed in the PLC project via the 'Update device' command. When the device is updated, the PLC Designer does not update the compiler version, the library version and the visualization profile version, as required.
Which products are concerned?
PLC Designer V3.3 and higher
Possible diagnostics:
None
Short-term measures/recommendations:
Carry out the required updates manually. For this, proceed as follows:
Open the attached Excel table.Filter the 'Category 1' column according to PLCs and check in which column under 'PLC Designer Version' you can find the controller version selected by you. Reset the Excel filter again.Go to the 'Project Settings' dialog (menu Project>Project Settings), select the category 'Compiler Options' and enter the compiler version specified in the corresponding Excel table column (line 3).Go to the 'Project Settings' dialog, select the category 'Visualization profile' and enter the compiler version specified in the corresponding Excel table column (line 4).Open the Library Manager in the device tree and compare the versions of the libraries used with the versions specified in the corresponding Excel table column.Use the Excel table to check if the devices used, e.g. I/O modules and drives are supported with the version set in the project. If necessary, update the devices.If available, open the Visualization Manager in the device tree. Go to the 'Settings' tab and select the style indicated in the Excel table column (line 5).
Assessment:
After changing the controller version in the PLC project, error messages may occur when logging in to the controller. The error messages can be eliminated by the above-described measures.
