SIMATIC S7-1200 G2: SB 1222 digital output, 8 DO 100 kHz; outputs: 8x DQ 24 V DC 0.1 A sinking/sourcing transistor, 100 kHz

SIMATIC S7-1200 G2: SB 1221 digital input, 8 DI 100 kHz; inputs: 8x DI 24 V DC sink/source, 100 kHz

SIMATIC S7-1200 G2: SM 1223 digital I/O, 8 DI/8 DO inputs: 8x DI 24 V DC sink/source outputs: 8x DO, 24 V DC 0.5 A, sourcing transistor

SIMATIC S7-1200 G2: SM 1223 digital I/O, 8 DI/8 RLY; inputs: 8x DI 24 V DC sink/source; outputs: 8x DO relay 2 A

SIMATIC S7-1200 G2: SM 1222 digital output, 16 DO; outputs: 16x DO, 24 V DC 0.5 A, sourcing transistor

SIMATIC S7-1200 G2: SM 1222 digital output, 16 relays; outputs: 16x DO, relay 2 A

SIMATIC S7-1200 G2: SM 1221 digital input, 16 DI; inputs: 16x DI 24 V DC sink/source