The 6SE6400-0BE00-0AA1 is a Siemens Sinamics G120/G120C Control Unit. This device is used to control asynchronous and synchronous motors, improve communication, and provide a higher level of machine and system performance. The 6SE6400-0BE00-0AA1 has an integrated DC link choke, integrated power supply, and integrated braking chopper. The device is capable of controlling up to four different motors and can communicate via Modbus TCP, Profinet, or EtherNet/IP protocols. The 6SE6400-0BE00-0AA1 is configured using the Easy Starter software, which allows the user to set various parameters such as motor types, maximum speed, and protection settings.