Siemens SIMATIC PLC 6AG1211-1AE31-4XB0 SIPLUS S7-1200CPU 1211C DC/DC/DC    FOR MEDIAL STRESS    WITH CONFORMAL COATING    BASED ON 6ES7211-1AE31-0XB0    .    COMPACT CPU, DC/DC/DC,    ONBOARD I/O:    6 DI 24V DC    4 DO 24 V DC;    2 AI 0 - 10V DC    POWER SUPPLY: 20.4 - 28.8 V DC    PROGRAM/DATA MEMORY: 30 KB 6AG12111AE314XB0