The two ports of FEIP-21 giving the possibility to use ring topology or just an intergraded Ethernet switch. This interface module can be implemented on a Device Level Ring (DLR) that is a redundant EtherNet/IP communication that use a ring topology, without the requirement to use a DLR external switch.
Drive Composer Pro software can be used with FEIP-21 to perform a start-up or maintenance for ABB common architecture drives.