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Why does my USB drive show up as a Modicon PLC in the Device Manager?

Published date: 09 April 2019

 Issue:
USB drive does not work properly and shows up as a Modicon PLC in the Device Manager of the PC.
 
Product Line:
Modicon PLC
 
Environment:
Control Expert (Unity Pro) software
Windows 7/10 Operating system 
Schneider PLC USB drivers

 
Cause:
The USB drive is not compatible with the the PLC USB Drivers.
It is likely that your USB drive is effectively a no-name brand and was purchased cheaply in bulk on Amazon, eBay, Wish, Aliexpress or similar online retailer.

 
Resolution:
We recommend you purchase brand name USB drive by SanDisk, Kingston, PNY or other reputable manufacturers.
Using known trusted manufacturers will also minimize your vulnerability risk to viruses and other cyber attacks.  

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