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Using the digital output module SM 1221 DC - 6ES7221-1BH32-0XB0 from Siemens your SIMATIC S7-1200 controller can be expanded by 16 digital inputs.

The digital input SM 1221 DC - 6ES7221-1BH32-0XB0 processes input signals with a voltage of 24 V DC.

SIMATIC S7-1200, Extension cable 2-row arrangement for SM 12XX, 2 m.

SIMATIC S7-1200 power module PM1207, Stabilised power supply, Input: 120230 V AC, Output: 24 V DC2.5 A.

SIMATIC S7-1200, Digital inputs SM 1221, 8 digital inputs, 24 V DC.

SIMATIC S7-1200, Digital inputs SM 1221, 16 digital inputs, 24 V DC.

SIMATIC S7-1200, Digital output SM 1222, 8 digital outputs, 24 V DC, transistor 0.5 A.

SIMATIC S7-1200, Digital output SM 1222, 16 digital outputs, 24 V DC, transistor 0.5 A.

SIMATIC S7-1200, Digital inputoutput SM 1223, 8 digital inputs 24 V DC, 8 digital outputs, Relay 2 A.

SIMATIC S7-1200, Digital inputoutput SM 1223, 16 digital inputs 24 V DC, 16 digital outputs, Relay 2 A.

SIMATIC S7-1200, Digital inputoutput, Signal Board SB 1223, 2 digital inputs 24 V DC, 2 digital outputs 24 V DC.

6Es7 214 1Ae30 0Xb0 Wiring Diagrams