



The SIMATIC S7-200 PLC CPU 226 AC DC RLY OUTPUT (order number 6ES7216-2BD23-0XB0) is a high-performance micro programmable logic controller designed for small to medium-scale automation systems. With its powerful 0.22 μs per instruction processing speed, ample memory, and versatile I/O configuration, this CPU module excels in applications ranging from standalone machine control to distributed automation networks. The relay output variant ensures robust switching of AC and DC loads, making it a preferred choice for industrial environments requiring galvanic isolation and high inrush current handling. Backed by Siemens' proven S7-200 platform, this unit delivers reliability, scalability, and ease of programming via the STEP 7-Micro/WIN software suite.
| Specification Category | Detail |
|---|---|
| Product Type | SIMATIC S7-200 CPU 226 (AC Powered, Relay Output) |
| Order Number (MLFB) | 6ES7216-2BD23-0XB0 |
| Power Supply Voltage | AC 100–240 V (50/60 Hz) |
| Digital Inputs | 24 (24 V DC, sink/source) |
| Digital Outputs | 16 (Relay, 2 A per point, 30 V DC / 240 V AC max) |
| Program Memory | 24 KB (approx. 8K instructions) |
| Data Memory (V-Memory) | 10 KB |
| Bit Execution Speed | 0.22 μs per instruction (typical) |
| Communication Interfaces | 2 x RS-485 (PPI, Freeport, USS, Modbus RTU) |
| High-Speed Counters | 6 (up to 30 kHz each, single-phase or quadrature) |
| High-Speed Pulse Outputs | 2 (20 kHz, open collector) |
| Real-Time Clock (RTC) | Yes (built-in, with backup capacitor) |
| Expansion Capability | Up to 7 expansion modules (max. 256 I/O points) |
| Programming Software | STEP 7-Micro/WIN (V4.0 SP9 or later) |
| Operating Temperature | 0°C to +55°C (horizontal mounting); -25°C to +55°C (with extended range option) |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 95% non-condensing |
| Dimensions (W x H x D) | 120.5 mm x 80 mm x 62 mm |
| Weight | Approx. 350 g |
| Mounting Method | 35 mm DIN rail or panel mounting |
| Protection Class | IP20 (with enclosure) |
| Application Examples | Packaging machines, conveyor control, HVAC systems, small process automation |

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