SIMADYN D Technology module T400 for 6SE70/71 and SRT400 32 Bit/32MHz, 8BE, 2BA, 4BE/BA 5AE, 2 AO, 2 pulse encoder inputs 2SER.INTERFACE+1SSI-encoder or 1SER.INTERFACE+2SSI-encoder Configurable with D7-SYS 1MB Flash, 2MB RAM, 32KB EEPROM