6ES7312-5BE03-0AB0 CPU312C,16K內存SIMATIC S7-300, CPU 312CCOMPACT CPU WITH MPI,10 DI/6 DO,2 FAST COUNTERS (10 KHZ),INTEGRATED 24V DC POWER SUPPLY,32 KBYTE WORKING MEMORY,FRONT CONNECTOR (1 X 40PIN) ANDMICRO MEMORY CARD REQUIRED