SIMATIC ET 200MP, multi-fieldbus interface module IM 155-5 MF HF, multi-fieldbus (PROFINET, EtherNet/IP and Modbus TCP), 2 flexible ports via plug-in SIMATIC BusAdapter (sold separately), max. 30 I/O modules, multi-hot- swap with active backplane (sold separately), IRT with 250 µs, isochronous mode, shared device with 4 controllers (each with 1440 bytes), 256 bytes per I/O module, MRP, MRPD, S2 redundancy, CiR, PN security class 1, optional cable grip (sold separately)