Work memory [KB]: 256...512, Integrated: PROFINET IO Controller / I-Device, Optional: PROFIBUS controller/IO, Interface [2x RJ45]: PROFINET, ModbusTCP controller/IO, openCommunication, Interface [2x RJ45]: active Ethernet PG/OP communication with DHCP support, switch, Interface [2x RS485]: MPI, PtP: ASCII, STX/ETX, 3964(R), USS controller, Modbus controller/IO, OPC UA (from HW 02) / Web server, SD card slot with locking, up to 64 expansion modules