...ac Studio version 1.16 or higher. *8. A communications unit for connecting to EtherCAT network (E3X-ECT) is additionally required. *9. The EtherCAT Coupler Unit (NX-ECC20@ with unit version 1...https://www.ia.omron.com/data_pdf/cat/sysmac_studio_ds_e_18_34_csm1000603.pdf