SIMATIC S7-1200, Digital input SM 1221, 8 DI, 24 V DC, Sink/Source
SIMATIC S7-1200F, CPU 1214 FC, compact CPU, DC/DC/DC, onboard I/O: 14 DI 24 V DC; 10 DO 24 V DC; 2 AI 0-10 V DC, power supply: DC 20.4-28.8 V DC, program/data memory 200 KB
SIMATIC S7-1200, Analog output, SB 1232, 1 AO, +/-10 V DC (12 bit resol.) or 0-20mA (11 bit resol.)
SIMATIC S7-1200, Digital output SB 1222, 4 DQ, 5V DC 200kHz