6AG1221-3AD30-5XB0
SIPLUS S7-1200 SB 1221 4DI based on 6ES7221-3AD30-0XB0 with conformal coating, -40…+60 °C, start up -25 °C, digital inputs 4 DI 5 V DC 200 kHz
6AG1221-3BD30-5XB0
SIPLUS S7-1200 SB 1221 4DI based on 6ES7221-3BD30-0XB0 with conformal coating, -40…+60 °C, start up -25 °C, digital inputs 4 DI 24 V DC 200 kHz