CPU 314ST/DPM – SPEED7 technology DC 24V, 64kByte, expandable up to 1MByte work memory, DI 8…16xDC 24V alarm capable / DO 8…0xDC 24V, 0,5A, AI 4x12Bit / AO 2x12Bit / 1xPt100, 4 counter (100 kHz), MP²I interface, MMC slot, real-time clock, SPEED bus, Ethernet interface for PG/OP communication, Profibus-DP master, 12MBaud, up to 125 slaves, configurable with TIA-portal