The Siemens 6ES7195-3BC00-0YA0 is a development kit for building a PROFINET IO device, built around an ATMEL SAM microcontroller and the ECOS development environment. It ships with source code, documentation, and examples.
If you need this exact order code for a legacy BOM line or a repair, we can quote it to order. But treat it as a one-off buy — no alternative or second source is listed, and there’s no official successor from Siemens.