Siemens SIMATIC PLC 6AG1312-5BF04-7AB0 SIPLUS S7-300 CPU312C    FOR MEDIAL STRESS    -25 ... +70 GRAD C    BASED ON 6ES7312-5BF04-0AB0    .    COMPACT CPU WITH MPI,    10 DI/6 DO,    2 FAST COUNTERS (10 KHZ),    INTEGRATED 24V DC POWER SUPPLY,    64 KBYTE WORKING MEMORY,    FRONT CONNECTOR (1 X 40PIN) AND    MICRO MEMORY CARD 6AG13125BF047AB0