



The Siemens SIMATIC S7-200 PLC CPU 224, identified by the order number 6ES7214-1AD23-0XB8, stands as a reliable and cost-effective solution for industrial automation. This DC-powered unit integrates 14 digital inputs and 10 transistor outputs, engineered for high-speed control in demanding environments. Its compact footprint and robust construction make it ideal for space-constrained installations, while the integrated RS-485 port enables seamless communication with HMIs, drives, and other controllers. Whether deployed as a standalone unit or as part of a larger distributed system, the CPU 224 delivers consistent performance, backed by a real-time clock and support for high-speed counters. Below is a comprehensive technical specification table for this model.
| Specification | Details |
|---|---|
| Product Name | SIMATIC S7-200 CPU 224 |
| Part Number | 6ES7214-1AD23-0XB8 |
| Brand | Siemens |
| Power Supply | 24 V DC (for CPU and I/O logic) |
| Input Points | 14 DC digital inputs (24 V DC, sink/source) |
| Output Points | 10 transistor digital outputs (24 V DC, 0.75 A per output) |
| Output Type | Transistor (DC) – high-speed switching |
| Program Memory | 8 KB (user program and data) |
| Data Memory | 8 KB (retentive and non-retentive) |
| Communication Interface | 1 x RS-485 (PPI, MPI, or user-defined protocol) |
| Real-Time Clock | Yes, built-in with battery backup |
| High-Speed Counters | 6 counters (up to 30 kHz) |
| Maximum Expansion I/O | Up to 168 I/O points (with expansion modules) |
| Instruction Execution Time | 0.22 µs per Boolean instruction |
| Operating Temperature | 0°C to 55°C (industrial environment) |
| Dimensions (W x H x D) | 120.5 mm x 80 mm x 62 mm |
| Programming Software | Micro/WIN or Micro/WIN SMART |
| Weight | Approx. 360 g |

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