6ES7221-1BF32-0XB0 - Siemens SM 1221 DC
The Siemens 6ES7221-1BF32-0XB0 PLC module provides 8 digital inputs and 24 V DC operation for signal processing tasks.
The 6ES7221-1BF32-0XB0, known as Siemens SM 1221 DC, is part of Siemens automation systems under Siemens PLC expansion modules within the SIMATIC S7-1200 I/O modules range, featuring 4 mA input current, 1.5 W power loss, IP20 protection, and -20ยฐC to +60ยฐC operation for industrial environments.
| Brand | Siemens |
| Product Type | PLC - Programmable logic Controller |
| Series | Simatic S7-1200 |
| SKU / MPN | 6ES7221-1BF32-0XB0 |
Siemens SM 1221 DC 6ES7221-1BF32-0XB0 Technical Specifications:
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-1200, Digital input SM 1221, 8 DI, 24 V DC, Sink/Source |
| Product Family | SM 1221 digital input modules |
| Product Lifecycle (PLM) | PM300:Active Product |
| Net Weight (kg) | 0,150 Kg |
| Packaging Dimension | 8,80 x 10,90 x 6,00 |
| Package Size Unit of Measure | CM |
| Country of Origin | Germany |
The Siemens 6ES7221-1BF32-0XB0 SM 1221 DC is a digital input module designed to extend PLC input capacity. It provides 8 digital inputs, 24 V DC rated voltage, 4 mA input current, and IP20 protection for industrial use. The Siemens 6ES7221-1BF32-0XB0 belongs to SIMATIC S7-1200 I/O modules and is used in industrial automation systems for reliable signal acquisition.
In industrial applications, users searching for 6es7221-1bf32-0xb0 datasheet or 6es7221-1bf32-0xb0 deploy this module in conveyors, packaging systems, assembly lines, and machine control panels. It converts field signals into controller-readable inputs, ensuring stable signal detection and consistent communication. This helps maintain reliable monitoring, reduces signal errors, and supports smooth automation operations across industrial processes.
The 6ES7221-1BF32-0XB0 Siemens SM 1221 DC supports structured signal processing within PLC systems. With 8DI configuration, 24 V DC input range, and defined environmental limits, it ensures dependable input handling. As part of Siemens PLC architecture, the Siemens 6ES7221-1BF32-0XB0 provides compatibility, stable performance, and suitability for industrial automation tasks requiring accurate digital input processing.
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