The Beckhoff CX2020 is a PLC based on a x86_64 PC. It's I/O modules are controlled using EtherCAT called „Beckhoff CCAT“. By default it runs Windows Embedded 7 but is also capable of running Linux.

NTB provides a yocto configuration for building images for this machine. The NTB layer for yocto is currently a work in progress and can be found at github.com/zechenturm/meta-ntb . The MACHINE name for yocto is cx2020 which will build an image with a 64 bit 4.4 kernel.

See Yocto Setup for how to build an image.