6AG1221-1BF32-2XB0
SIPLUS S7-1200 SM 1221 8DI based on 6ES7221-1BF32-0XB0 with conformal coating, -40…+70 °C, start up -25 °C, digital input 8 DI, 24 V DC, sink/source
6AG1221-1BF32-4XB0
SIPLUS S7-1200 SM 1221 8DI based on 6ES7221-1BF32-0XB0 with conformal coating, -20…+60 °C, digital input 8 DI, 24 V DC, sink/source
6AG1221-1BH32-2XB0
SIPLUS S7-1200 SM 1221 16DI based on 6ES7221-1BH32-0XB0 with conformal coating, -40…+70 °C, start up -25 °C, digital input 16 DI, 24 V DC, sink/source
6AG1221-1BH32-4XB0
SIPLUS S7-1200 SM 1221 16DI, based on 6ES7221-1BH32-0XB0 with conformal coating, -20…+60 °C, 16 DI, 24 V DC, sink/source