...r later recommended. GX-@@@ Ver.1.16 or higher NXR series --- NXR-ILM08C-ECT Ver.1.57 or higher NXR-ILM08C-EIT Ver.1.40 or higher Programmable Terminals (PT) NS-series To connect to NJ501-@@@...https://www.ia.omron.com/data_pdf/cat/sysmac_studio_ds_e_18_34_csm1000603.pdf