Beckhoff Automation - For a current TwinCAT 3 version, TwinCAT 3 licenses can be ordered conveniently on a C9900-L100 license key USB stick or an EL6070 EtherCAT license key terminal and are
KS2000-Z2-USB Beckhoff | GERMANY Sales
Beckhoff BK3150 Bus Coupler PROFIBUS Compact - Andre Ertel ANERTKOM Industrial Electronics and Automation