SIMATIC S7-300 – CPU 314C-2 PTP Compact CPU with MPI – 24 DI/16 DO – 4 AI – 2 AO – 1 Pt100 – 4 high-speed counters (60 kHz) – integrated interface RS485 – Integr. power supply 24 V DC – work memory 192 KB – Front connector (2x 40-pole) and Micro Memory Card required