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 BMXCRA31210C Ethernet I/O Master Module Introduction The Schneider BMXCRA31210C is an Ethernet-based Remote I/O (RIO) master/head module designed for Modicon X80 architectures used in M580 and M340 PLC systems. It acts as the central communication interface between the PLC CPU an *Your Name: *Your Email: *Your Name: *Vdcode: Submit