Siemens SIMATIC PLC 6AG2212-1AE40-1XB0 SIPLUS S7-1200CPU 1212C DC/DC/DC RAIL    FOR RAIL APPLICATIONS (EN50155)    -25 ... +70 DEGREE C    WITH CONFORMAL COATING    BASED ON 6ES7212-1AE40-0XB0    .    COMPACT CPU, DC/DC/DC,    ONBOARD I/O:    8 DI 24V DC    6 DO 24 V DC    2 AI 0 - 10V DC,    POWER SUPPLY:    20,4 - 28,8 V DC    PROGRAM/DATA MEMORY 50 KB 6AG22121AE401XB0