6ES7313-5BF03-0AB0 SIMATIC S7-300, CPU 313C. Siemens 6ES7313-5BF03-0AB0 SIMATIC S7-300 CPU313C Controller, MPI, 64KB Memory. Siemens 6ES7 313-5BF03-0AB0 SIMATIC S7-300 CPU 313C Compact Controller with 1 x RS-485 Interface (MPI), 64 KBytes Memory for User Program and Data, (24) 24V DC Digital Inputs, (16) 24V DC Digital Outputs, 0.5A/each, (3) Fast Counters (30 kHz), (4) Analog Current/Voltage Inputs, (1) Analog RTD/Resistance Input, Pt100 or 0-600 Ohm, (2) Analog Current/Voltage Outputs, Integrated 24V DC Power Supply, required Front Connectors (2 x 40-Pin) and Micro Memory Card