Siemens SIMATIC S7-1200 SM 1221 DIO, 24VDC, 105mA 8I, front view | SIMATIC S7-1200 PLC DIO Modules - Layout
![6ES7221-1BH32-0XB0 | SIEMENS SIMATIC S7-1200, Digital Input SM 1221, 16 DI, 24 V DC, Sink/Source: Amazon.com: Industrial & Scientific 6ES7221-1BH32-0XB0 | SIEMENS SIMATIC S7-1200, Digital Input SM 1221, 16 DI, 24 V DC, Sink/Source: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41MpNVoDVDL._AC_UF1000,1000_QL80_.jpg)
6ES7221-1BH32-0XB0 | SIEMENS SIMATIC S7-1200, Digital Input SM 1221, 16 DI, 24 V DC, Sink/Source: Amazon.com: Industrial & Scientific
6ES7221-1BH32-0XB0 | Siemens PLC I/O Module for use with SIMATIC S7-1200 Series, 100 x 45 x 75 mm, Digital, SM 1221, 24 V dc, SIMATIC | RS
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