

The SIEMENS SIMATIC S7-200 CPU 221, with part number 6ES7211-0BA22-0XB0, is a compact and cost-efficient micro programmable logic controller designed for entry-level automation tasks. This DC-powered unit integrates 6 digital inputs and 4 transistor outputs, providing reliable, high-speed control for simple processes such as machine sequencing, conveyor control, or standalone equipment monitoring. Its built-in PPI communication interface ensures seamless integration with Siemens HMI panels and other S7-200 modules, while the STEP 7-Micro/WIN programming environment simplifies development and debugging. With a compact footprint and robust industrial design, the CPU 221 is an ideal choice for applications requiring a minimal I/O count without compromising on Siemens quality.
| Specification | Details |
|---|---|
| Product Type | SIMATIC S7-200 CPU 221 Micro PLC |
| Part Number | 6ES7211-0BA22-0XB0 |
| Power Supply | 24V DC (typical range: 20.4 to 28.8V DC) |
| Digital Inputs | 6 (24V DC, sink/source) |
| Digital Outputs | 4 (Transistor, 24V DC, 0.75A per output) |
| Output Type | Transistor (DC) |
| Program Memory | 4 KB (user program) |
| Data Memory | 2 KB (retentive) |
| Communication Interface | 1 x RS-485 (PPI protocol, up to 187.5 kbps) |
| High-Speed Counters | 2 (single-phase, up to 30 kHz) |
| Real-Time Clock | Included (with battery backup) |
| Expansion Capability | Limited (supports up to 2 expansion modules, total I/O max 31) |
| Programming Software | STEP 7-Micro/WIN (V4.0 SP9 or later) |
| Operating Temperature | 0°C to 55°C (horizontal mounting) |
| Storage Temperature | -40°C to 70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions (W x H x D) | 90 x 80 x 62 mm |
| Weight | Approx. 270 g |
| Protection Class | IP20 (with enclosure) |
| Certification | CE, cULus, FM, ATEX (Zone 2) |

What Does Our Clients Say
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Great product!
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Original and fast!
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