PLCGUY123 Posted September 18, 2020 Report Share Posted September 18, 2020 Hello Guys, We have a excel sheet collecting data from a v530 PLC, This works fine in Office 2016 32bit using UnCmDrv1.dll file. But when i install Office 2016 64 bit its not working anymore. I get error message: Runtime error '-2147221164 (80040154)': Class not registred I did check in the vb code and Dll is found under tool--> references Quote Link to comment Share on other sites More sharing options...
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