Siemens 6AV2123-2GB03-0AX0 HMI

**Siemens 6AV2123-2GB03-0AX0 HMI Panel Product Introduction**  

**1. Product Overview**  

The **6AV2123-2GB03-0AX0** is a touchscreen operator panel from Siemens' **SIMATIC HMI KTP400 Basic** series, designed for industrial automation control. Featuring a **4.3-inch TFT LCD color display**, it supports both touch operation and physical button control, making it ideal for human-machine interfaces (HMI) in small to medium-sized automation systems.  

**2. Key Specifications**  

- **Display**: 4.3-inch TFT LCD (480 × 272 pixels, 65K colors)  

- **Operation**: Resistive touchscreen + 4 physical buttons  

- **Processor**: 32-bit ARM Cortex-A8  

- **Memory**: 128MB RAM / 128MB Flash  

- **Communication Interfaces**:  

  - 1× **PROFINET** (RJ45, Ethernet communication)  

  - 1× **RS422/485** (for serial communication)  

- **Protection Rating**: **IP65 (front panel)** / **IP20 (overall)**  

- **Operating Temperature**: **0°C to +50°C**  

- **Power Supply**: 24V DC (±20%)  

**3. Core Features**  

- **Supports SIMATIC WinCC Basic software** for easy HMI configuration  

- **Compatible with S7-1200, S7-1500 PLCs**, seamlessly integrated with TIA Portal  

- **Data logging function** (requires external SD card)  

- **Alarm management** with historical alarm records  

- **Multi-language support** (including Chinese and English)  

**4. Typical Applications**  

- Small-scale automation control systems  

- Packaging machinery and conveyor systems  

- Food and beverage production lines  

- Water treatment and HVAC control  

**5. Installation & Maintenance**  

- **Mounting**: Panel-mounted (cutout dimensions: 165 × 119 mm)  

- **Maintenance**: Supports SD card expansion (up to 32GB) for backup and program updates  

**6. Product Advantages**  

a. **Compact design** saves control cabinet space  

b. **High protection rating** for industrial environments  

c. **Low power consumption** for energy-efficient operation  

d. **TIA Portal integration** simplifies engineering configuration  

**Model Comparison (Same HMI Series)**  

| Model | Screen Size | Resolution | Communication | Application |  

|-------|------------|------------|--------------|-------------|  

| **6AV2123-2GB03-0AX0** | 4.3" | 480×272 | PROFINET + RS485 | Small devices |  

| 6AV2124-0GC01-0AX0 | 7" | 800×480 | PROFINET + USB | Medium systems |  

| 6AV2124-2DC01-0AX0 | 10.1" | 1280×800 | PROFINET + USB | Complex HMI |  

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