



The Siemens SIMATIC S7-200 CPU 224 AC DC RLY (6ES7214-1BD23-0XB0) is a compact yet powerful programmable logic controller designed for medium-complexity automation tasks. This CPU unit integrates 14 digital inputs that accept both AC and DC signals, combined with 10 robust relay outputs capable of switching loads up to 240 VAC or 30 VDC. Its 16 KB program memory and built-in real-time clock enable precise control over time-sensitive processes, while the integrated high-speed counters support frequency measurement and event counting. With a single RS-485 communication port supporting the PPI protocol, the CPU 224 can be easily networked or expanded using additional I/O modules. The unit is programmed via Siemens MicroWin software, offering an intuitive development environment. Ideal for cost-sensitive applications, this PLC delivers reliable performance across a wide range of industrial environments.
| Specification | Details |
|---|---|
| Product Name | SIMATIC S7-200 CPU 224 AC/DC/RLY |
| Part Number | 6ES7214-1BD23-0XB0 |
| Brand | Siemens |
| Power Supply Voltage | AC 100 V to 240 V |
| Input Voltage Type | Mixed AC and DC (14 digital inputs) |
| Output Type | Relay (10 digital outputs) |
| Output Ratings | 30 VDC / 240 VAC per relay |
| Program Memory | 16 KB |
| Data Memory | Sufficient for medium-complexity tasks (EEPROM backup) |
| Communication Interface | 1 x RS-485 (PPI protocol) |
| Built-in Real-Time Clock | Yes |
| High-Speed Counters | Yes (up to 6 counters, 30 kHz) |
| Modular Expansion | Yes (supports up to 7 expansion modules) |
| Programming Software | MicroWin |
| Environmental Protection | IP20 (industrial enclosure required) |
| Operating Temperature | 0 °C to 55 °C |
| Dimensions (W x H x D) | 120.5 mm x 80 mm x 62 mm |

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