Frequently asked questions
How to update M580 PLC project firmware from Version 1.1 to SV 2.0?
FAQ000281057
25 March 2026
Issue:
When trying to update the M580 PLC firmware in Control Expert from version 1.1 to SV2.x or later , we are getting the following errors ,
Product Line:
M580 PLC Range .
Resolution:
Please Export the project file (that has got M580 Project firmware as SV 1.1) to .ZEF and then please search for M580 CPU Change V1V2 Software from Windows Search bar (this software is an Add-ons that comes along with Control Expert) and open the software.
Please import the .ZEF file and click Next and the Converted application will be automatically saved to location in which the previous firmware version file located . The converted application will have a following words added to application name "L2"(for example : Test_L2.ZEF)