If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Schneider BMXCRA31210 I/O Expansion Module Introduction The Schneider BMXCRA31210 is an Ethernet Remote I/O (RIO) drop adapter designed for Modicon M340 and M580 automation architectures within the X80 platform. It enables distributed I/O expansion by connecting remote racks into a *Your Name: *Your Email: *Your Name: *Vdcode: Submit