6ES7221-3BF50-0XB0

SIMATIC S7-1200 G2: SB 1221 digital input, 8 DI 100 kHz; inputs: 8x DI 24 V DC sink/source, 100 kHz Check the list of options available for your product and order 6ES7221-3BF50-0XB0 Siemens