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When a company logo USB stick is plugged in it identifies as a PLC

Published date: 23 September 2019

Issue
When using a USB stick etched with a Schneider Electric or Square D logo, it is not identified as a storage device but rather a PLC under 'Modems' in the Device Manager.

Product Line
Control Expert, Unity Pro, Machine Expert

Resolution
If this happens,
  • Right click on the PLC entry that showed up under Modems and select 'Update Driver Software...'.
  • After that select 'Browse my computer for driver software'.
  • Now select 'Let me pick from a list of device drivers on my computer'.
  • Finally select 'USB Mass Storage Device' and this will install the drivers.

You will now see the contents of the USB stick.

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