6ES7214-1AH50-0XB0 SIMATIC S7-1200 G2: compact CPU 1214C DC/DC/DC; power supply: DC 20.4-28.8 V DC; onboard I/O: 14x DI 24 V DC; 10 DO 24 V DC; memory: program 250 KB data: 750 KB, retentivity: 20 KB