Technical FAQs

Ask a Question

Why do I get an error of "Unresolved external POU's" when I try to load a program into LMC20

The error "Unresolved external POU's" is caused when the libraries used for CodeSys are newer then the Firmware within the LMC20.

To solve this "Unresolved POU's" error you should update the firmware with the LMC20.

You should find a total of 3 ZIP files attached to this FAQ
Please create a folder on your PC desktop and unzip the contents of these 3 zip files into that folder.

The DOC file explains flashing of the firmware for LMC motion controllers.
The HEX file is the most recent version of firmware.
The EXE file is the installation file for the flash tool 

Was this helpful?
What can we do to improve the information ?