6ES7221-3BD30-0XB0
Siemens 6ES7221-3BD30-0XB0 SB 1221 digital input module with 4 DI, 24 V DC, 200 kHz, and current-sourcing inputs. Confirm stock and dispatch conditions for your request before ordering.
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6ES7221-3AD30-0XB0
Siemens 6ES7221-3AD30-0XB0 is a SIMATIC S7-1200 SB 1221 digital input module with 4 current-sourcing inputs, 5 V DC and 200 kHz. Confirm stock and dispatch conditions.
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6ES7221-3BF50-0XB0
Siemens 6ES7221-3BF50-0XB0 SB 1221 digital input module with 8 DI, 24 V DC sink/source inputs, and 100 kHz. Confirm stock and dispatch conditions before ordering.
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