Siemens 6ES7221-1BF32-0XB0 is a SIMATIC S7-1200 SM 1221 digital input module providing eight 24 V DC sink/source inputs arranged in groups of two. It expands field-signal acquisition for machine control, panel modernization and exact-model maintenance replacement. The module supports parameterizable input delays and IEC 61131 Type 1 input characteristics. Before ordering, verify the complete article number, S7-1200 CPU configuration, sensor wiring method, 24 V DC supply, input logic, required connector, delay settings, mounting dimensions and hardware revision. This listing identifies a new unit with a one-year warranty; current availability requires written confirmation.
| Manufacturer | Siemens |
|---|---|
| Complete Part Number | 6ES7221-1BF32-0XB0 |
| Product Type | SM 1221 8-Channel 24 V DC Digital Input Module |
| Series | SIMATIC S7-1200 / SM 1221 |
| Model Configuration | 8 digital inputs, 24 V DC, sink/source |
| Product Condition | NEW |
| Hardware Revision | Contact us to confirm. |
| Firmware/Software Version | Contact us to confirm. |
| Country of Origin | GERMANY |
| Compatibility | Confirm the S7-1200 CPU, wiring, connector and project configuration before ordering. |
| Warranty | With 1 year warranty |
| Availability | Contact us to confirm. |
| Shipping | Worldwide shipping options are available; confirm destination and written terms. |
Published technical values can change. Compare current Siemens documentation and the supplied product label before installation.
Document each sensor, channel address, common potential and required sink/source wiring.
Confirm the 20.4 to 28.8 V DC range and field-device electrical characteristics.
Set channel grouping, input delays and diagnostic behavior in the approved S7-1200 project.
Test inactive and active states, wiring integrity and CPU diagnostics before production use.
Confirm the complete suffix, S7-1200 CPU and project configuration, 24 V DC supply, sink/source wiring, channel grouping, connector, input-delay requirements, hardware version, mounting dimensions, target sensors and original equipment label photographs.
Please contact us to confirm the exact revision, firmware version, condition and availability before ordering.
It provides eight 24 V DC digital inputs arranged in groups of two.
Yes. Siemens designates this SM 1221 configuration for sink/source digital inputs. Confirm the project wiring before installation.
Yes. Siemens lists selectable delays from 0.2 ms to 12.8 ms in groups of four.
Compare the complete article number, CPU and project configuration, supply voltage, wiring logic, connector and hardware revision.
The product is listed as NEW and includes a one-year warranty. Written quotation terms apply.
Worldwide shipping options can be reviewed after quantity, destination and customs-document requirements are provided.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com WhatsApp: +86 18159889985
Structured verification for this eight-channel digital input module helps reduce ordering and wiring errors.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com WhatsApp: +86 18159889985
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Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
