6AV2123-2DB03-0AX0 KTP400 Basic 4" Touch HMI PROFINET | Siemens

The Original New Siemens 6AV2123-2DB03-0AX0 SIMATIC HMI KTP400 Basic is a compact operator panel designed for simple visualization and machine-level control tasks in small to medium industrial automation systems. Combining key and touch operation on a 4.3-inch widescreen TFT display with 65,536 colors, this panel provides intuitive, cost-effective HMI functionality for space-constrained applications. PROFINET interface ensures seamless integration with SIMATIC S7 controllers and third-party devices supporting Modbus TCP/IP.

Core Engineering Highlights:
4.3" widescreen TFT display | 480 x 272 resolution | 65,536 colors | Key + touch operation | 4 programmable function keys | PROFINET interface | USB host port | 10 MB user memory | ARM processor | IP65 front protection | 24V DC | 0°C to +50°C operating

Key Features:

• Original New Siemens 6AV2123-2DB03-0AX0 panel

• 4.3-inch widescreen TFT display with LED backlighting

• 480 x 272 pixel resolution

• 65,536 colors for clear, detailed visualization

• Combined key and touch operation

• 4 programmable function keys for quick access to frequently used functions

• Analog-resistive touch screen with onscreen numeric and alphanumeric keyboards

• Integrated PROFINET interface (Ethernet) for controller communication

• USB host port for connecting keyboard, mouse, or USB memory, up to 16 GB storage support

• 10 MB user memory for project data and recipes

• ARM processor for responsive operation

• IP65 protection on front for harsh industrial environments

• IP20 rear protection

• 24V DC power supply (19.2–28.8V range)

• 3W typical power consumption, 125 mA current draw

• Real-time hardware clock with 6-week backup

• Configurable from WinCC Basic V13 / STEP 7 Basic V13 (TIA Portal)

• Contains open-source software provided free of charge

• LED backlight with 20,000h MTBF at 25°C, dimmable

• Supports portrait and landscape mounting

• Maximum permissible inclination without external ventilation: 35°

Applications:

• Simple machine-level visualization and operator control

• Production line monitoring and data entry

• Packaging machinery HMI

• Material handling equipment control

• OEM machine automation systems

• Small to medium machine control applications

• Cost-effective HMI solutions requiring PROFINET connectivity

• Vertical or landscape mounting in space-constrained panels

Technical Specifications:

System Compatibility:

• Siemens SIMATIC S7-1200 controllers (via PROFINET)

• SIMATIC S7-1500 controllers (via PROFINET)

• SIMATIC S7-300 / S7-400 controllers (via PROFINET)

• Third-party controllers supporting PROFINET or Modbus TCP/IP

• TIA Portal engineering framework (WinCC Basic V13 / STEP 7 Basic V13 or higher)

• USB peripherals (keyboard, mouse, USB memory)

Typical System Architecture:
24V DC Power Supply
↓
6AV2123-2DB03-0AX0 KTP400 Basic HMI Panel (Front Panel Mount)
│
├── PROFINET Interface → S7-1200 / S7-1500 Controller
├── USB Host → Keyboard / Mouse / USB Memory
│
↓
TIA Portal Engineering (WinCC Basic V13 / STEP 7 Basic V13)
↓
Machine / Process Visualization and Control

Related Products:

• 6AV2123-2GB03-0AX0 – KTP700 Basic PN (7" display, same series)

• 6AV2123-2GA03-0AX0 – KTP700 Basic DP (7" display, PROFIBUS DP interface)

• 6AV2123-2JB03-0AX0 – KTP1200 Basic PN (12" display)

• 6AV2123-2DB03-0AX0 – This model, KTP400 Basic PN (4" display)

• 6AV6643-0CD01-1AX1 – MP 277 10" Touch (legacy replacement consideration)

• 6ES7274-1XF30-0XA0 – SIMATIC HMI SD card for data logging

• 6AV6671-5AE00-0AX0 – SD card for HMI data storage

PLC ERA is an independent industrial automation distributor supplying 100% genuine Original New products through established global supply channels. Siemens, SIMATIC, KTP400, TIA Portal, WinCC, and STEP 7 are trademarks of Siemens AG.