

The SIEMENS SIMATIC S7-1200, CPU 1215C 6ES7215-1HG40-0XB0 represents a pinnacle of compact automation engineering, combining a DC power supply with relay outputs to deliver robust control in environments requiring high-current switching. This CPU is engineered for mid-range automation tasks, offering a balanced mix of digital and analog I/O alongside advanced communication capabilities. Its integrated PROFINET interface, with two ports, supports real-time data exchange and device-level networking, making it ideal for applications in manufacturing, packaging, and process control. The CPU's memory architecture—125 KB of work memory and flash-based load memory—ensures swift execution of complex logic while maintaining program integrity. With support for TIA Portal's comprehensive toolchain, engineers can leverage multiple programming languages to optimize performance. Below is the detailed technical specification table for this model.
| Specification Category | Detail |
|---|---|
| Product Type | Compact CPU – DC/DC/Relay |
| Order Number | 6ES7215-1HG40-0XB0 |
| Supply Voltage | DC 20.4–28.8 V DC |
| Digital Inputs | 14 DI, 24 V DC, type 3 (IEC 61131) |
| Digital Outputs | 10 DO, Relay, 2 A per channel |
| Analog Inputs | 2 AI, 0–10 V DC, 10-bit resolution |
| Analog Outputs | 2 AO, 0–20 mA DC, 10-bit resolution |
| Program/Data Memory | 125 KB |
| Load Memory | Integrated flash (4 MB) |
| Retentive Memory | 10 KB |
| PROFINET Interfaces | 2 ports (switch-integrated), RJ45 |
| Communication Protocol | PROFINET IO (RT/IRT), TCP/IP, Modbus TCP |
| Programming Software | TIA Portal V13 SP1 or higher |
| Programming Languages | LAD, FBD, SCL (ST), IL |
| Max. Number of Blocks | Limited by memory; up to 200 DBs, 200 FBs/FCs, 20 OBs |
| Counters/Timers | S7 counters and timers (retentive, memory-dependent) |
| Bit Processing Time | Approx. 0.1 µs per instruction |
| Word Processing Time | Approx. 12 µs per instruction |
| Dimensions (W x H x D) | 110 mm x 100 mm x 75 mm |
| Weight | Approx. 420 g |
| Ambient Temperature | 0–60 °C (horizontal installation) |
| Protection Class | IP20 |
| CE Marking | Yes |
| Diagnostics | Onboard LED status indicators, diagnostic buffer, system events |

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