Coupler Unit which enables EtherCAT or EtherNet/IP network communications.
There are 2 products of Communications Coupler.
NX-series EtherCAT Coupler Unit
NX-ECC
Flexible System Can Be Achieved with Highspeed, High-precision Remote I/O for EtherCAT
NX-series EtherNet/IP™ Coupler Unit
NX-EIC202
Connecting to open industrial network standard EtherNet/IP