The Siemens SM 1221 (6ES7221-1BF32-0XB0) is a high-performance digital input module designed for use with the S7-1200 PLC series. It offers 16 digital inputs (24V DC) for fast and reliable signal acquisition from sensors, switches, and field devices. Built to withstand industrial environments, it ensures stable operation and precise input processing. Seamlessly integrates into the TIA Portal for easy configuration and diagnostics. Ideal for expanding I/O capacity in compact automation systems with high signal density.
Product Details:
Number of Channels | 8 |
Output Type | Digital |
Model Name/Number | 6ES7221-1BF32-0XB0 |
Power | 24VDC |
Cable diameter | shielded, max. 500 m unshielded, max. 300 m |
Brand | SIEMENS |
Dimensions | Width 45 mm Height 100 mm Depth 75 mm |
Manufacturer Series | S7 1200 |
Usage/Application | Automation |
Rated Voltage | 24VDC |
Weight | 170g |
Type Code | 6ES7221-1BF32-0XB0 |
Update Rate | 5500 |
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