



The Siemens SIMATIC S7-200 CPU 224XP DC DC DC AI AO (MLFB 6ES7214-2AD23-0XB0) is a field-proven, high-performance micro PLC engineered for applications requiring both discrete and analog control. This DC-powered version features 14 digital inputs and 10 digital transistor outputs, combined with onboard 2 analog inputs (0–10 V / 0–20 mA) and 1 analog output (0–10 V / 0–20 mA), eliminating the need for separate analog modules in many small-to-medium scale systems. With its 24 KB memory, real-time clock, and versatile communication port, the CPU 224XP delivers exceptional flexibility for machine builders, OEMs, and system integrators. It is programmed using the intuitive STEP 7 Micro/WIN software, supporting LAD, FBD, and STL languages.
| Specification | Details |
|---|---|
| Product Type | SIMATIC S7-200 CPU 224XP DC DC DC AI AO |
| MLFB / Order Number | 6ES7214-2AD23-0XB0 |
| Power Supply Voltage | 20.4 to 28.8 V DC (24 V DC nominal) |
| Digital Inputs | 14 (24 V DC, sink/source, 4 interruptible, 6 high-speed) |
| Digital Outputs | 10 (24 V DC transistor, 0.75 A per output, 3 A per common) |
| Analog Inputs | 2 (0–10 V, 0–20 mA, 10-bit resolution) |
| Analog Outputs | 1 (0–10 V, 0–20 mA, 10-bit resolution) |
| User Program Memory | 12 KB (code) + 8 KB (data) = 20 KB total |
| Removable Data Storage | Optional Micro Memory Card (MMC) |
| Real-Time Clock | Built-in, with backup capacitor (typical 190 hours) |
| High-Speed Counters | 6 (single-phase: 4 at 30 kHz + 2 at 20 kHz; quadrature: 2 at 20 kHz) |
| Pulse Outputs (PTO/PWM) | 2 (up to 20 kHz, 50% duty cycle) |
| Communication Port | 1 × RS-485 (PPI, MPI, Freeport, USS, Modbus RTU) |
| Baud Rate (Port 0) | 9.6, 19.2, or 187.5 kbps (PPI); up to 115.2 kbps (Freeport) |
| PID Loops | 8 (with auto-tuning support) |
| Execution Speed | 0.22 µs per boolean instruction |
| Expansion Modules | Up to 7 (digital, analog, temperature, or communication) |
| Maximum Digital I/O (with expansion) | 256 (128 inputs + 128 outputs) |
| Maximum Analog I/O (with expansion) | 32 (16 inputs + 16 outputs) |
| Programming Software | STEP 7 Micro/WIN (V4.0 SP9 or later) |
| Operating Temperature | 0 °C to +55 °C (horizontal); 0 °C to +45 °C (vertical) |
| Storage Temperature | -40 °C to +70 °C |
| Relative Humidity | 95% non-condensing |
| Dimensions (W × H × D) | 80 mm × 80 mm × 62 mm |
| Weight | Approx. 360 g |
| Protection Class | IP20 (with enclosure) |
| Certifications | CE, cULus, FM, ATEX (Zone 2), RoHS |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22