Upgrade your automation system with the Siemens SM 1221 Digital Input Module (6ES7221-1BH32-0XB0). Designed for the SIMATIC S7-1200 series, this expansion module adds 16 high-speed digital inputs to your PLC setup.
Technical Specifications:
| Feature | Specification |
| Brand | Siemens (SIMATIC S7-1200) |
| Model | SM 1221 (Digital Input Module) |
| Part Number | 6ES7221-1BH32-0XB0 |
| Number of Inputs | 16 DI (Digital Inputs) |
| Input Voltage | 24V DC |
| Input Type | Sink / Source (IEC Type 1) |
| Mounting | DIN Rail 35mm |
| Country of Origin | China / Germany |
Product Type: PLC
SKU: 6ES72211BH320XB0
Description: Digital Input SM 1221, 16DI, 24V DC
Size: 4.29 x 3.54 x 2.36 inch
Technical Datasheet: Download
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