Siemens SIMATIC S7-1200 SM 1223 DIO, 24VDC, 0.5A, 8I/8O, front view | SIMATIC S7-1200 PLC DIO Modules - Layout
![Siemens Plc Simatic S7-1200 Digital Input Sm 1221 8 16 Di Dc 6es7221-1bf32-0xb0 1bh32 6es72211bf320xb0 6es72211bh320xb0 - Instrument Parts & Accessories - AliExpress Siemens Plc Simatic S7-1200 Digital Input Sm 1221 8 16 Di Dc 6es7221-1bf32-0xb0 1bh32 6es72211bf320xb0 6es72211bh320xb0 - Instrument Parts & Accessories - AliExpress](https://ae01.alicdn.com/kf/H16df1925437b4c4f845b0bb77ed608c5z/SIEMENS-PLC-SIMATIC-S7-1200-Digital-Input-SM-1221-8-16-DI-DC-6ES7221-1BF32-0XB0.jpg_640x640.jpg)
Siemens Plc Simatic S7-1200 Digital Input Sm 1221 8 16 Di Dc 6es7221-1bf32-0xb0 1bh32 6es72211bf320xb0 6es72211bh320xb0 - Instrument Parts & Accessories - AliExpress
![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.jpg)
6ES7221-1BH32-0XB0 | SIEMENS SIMATIC S7-1200, Digital Input SM 1221, 16 DI, 24 V DC, Sink/Source: Amazon.com: Industrial & Scientific
![Siemens - 6ES72211BF320XB0 - Controller, Logic, Digital Input SM 1221, 8DI, 24VDC, SIMATIC S7-1200 - RS Siemens - 6ES72211BF320XB0 - Controller, Logic, Digital Input SM 1221, 8DI, 24VDC, SIMATIC S7-1200 - RS](https://assets.rs-online.com/c_scale,w_600,f_auto,q_auto,d_no_image.png/70781113_front.jpg)
Siemens - 6ES72211BF320XB0 - Controller, Logic, Digital Input SM 1221, 8DI, 24VDC, SIMATIC S7-1200 - RS
![Siemens - 6ES72211BF320XB0 - Controller, Logic, Digital Input SM 1221, 8DI, 24VDC, SIMATIC S7-1200 - RS Siemens - 6ES72211BF320XB0 - Controller, Logic, Digital Input SM 1221, 8DI, 24VDC, SIMATIC S7-1200 - RS](https://assets.rs-online.com/c_scale,w_600,f_auto,q_auto,d_no_image.png/70781113_s01_r02_c02.jpg)