Introduction
This article explains how to recognize the difference between the hardware models of the CS1W-CIF31 as well as the compatibility between Hardware, USB Drivers and Operating Systems for the CIF31.
Content
- How to recognize the CS1W-CIF31 hardware model
- Hardware, USB Driver and Operating System Compatibility
How to recognize the CS1W-CIF31 hardware model

Note: CS1W-CIF31 produced with Lot No. 130702K or higher are hardware version 2.
Hardware, USB Driver and Operating System Compatibilty
The USB Driver v2.06 cannot be used with CS1W-CIF31 hardware version 2. If hardware version 2 is used; please install USB Driver v2.08 in order to get the CS1W-CIF31 properly working.
The compatibility overview is shown below.

The USB drivers can be found in the myOMRON downloads are: /downloads/4.Products/Software/USB drivers/CS1W-CIF31/
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