Home / ABB / ABB Drives / ABB AC Drives / ABB ACS880 Drive / ABB ACS880 Drive Options Code / ABB ACS880 Drive Optional Code +K475 FENA-21 Two port EtherNet/IP, Modbus TCP, PROFINET IO, PROFIsafe Communication ModuleABB ACS880 Drive Optional Code +K475 FENA-21 Two port EtherNet/IP, Modbus TCP, PROFINET IO, PROFIsafe Communication Module