Siemens SIMATIC PLC 6AG1212-1HE31-4XB0 SIPLUS S7-1200CPU 1212C DC/DC/RLY    FOR MEDIAL STRESS    WITH CONFORMAL COATING    BASED ON 6ES7212-1HE31-0XB0    .    COMPACT CPU, DC/DC/RLY,    ONBOARD I/O:    8 DI 24V DC     6 DO RELAY 0,5A    2 AI 0 - 10V DC    POWER SUPPLY: 20.4 - 28.8 V DC    PROGRAM/DATA MEMORY: 50 KB 6AG12121HE314XB0