Siemens 6ES7221-1BH32-0XB0 SIMATIC S7-1200 Digital Input SM 1221
https://www.sawab.app/shop/6es7221-1bh32-0xb0-siemens-6es7221-1bh32-0xb0-simatic-s7-1200-digital-input-sm-1221-1744
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SIMATIC S7-1200, Digital input SM 1221, 16 DI, 24 V DC, Sink/Source
