1. General Specifications
Parameter Specification
Product Name SIMATIC KTP400 Basic DP
Order Number 6AV6 640-0AA00-0AX0
Device Type Basic HMI Panel
Series SIMATIC HMI Basic Panels
Display Technology TFT LCD with LED backlight
2. Display Specifications
Parameter Specification
Screen Size 4.3" diagonal
Resolution 480 × 272 pixels
Color Depth 64K colors
Brightness 250 cd/m²
Touch Technology Analog resistive (single-touch)
3. Performance Parameters
Parameter Specification
Processor 400 MHz RISC
User Memory 3 MB (for projects)
Backup Memory 2 MB (for recipes/data logs)
Clock Backup ≥6 hours (without power)
4. Communication Interfaces
Interface Specification
PROFIBUS DP 9-pin Sub-D (Master/Slave)
USB 1 × USB 2.0 Host port
5. Electrical Specifications
Parameter Specification
Power Supply 24V DC (20.4-28.8V)
Power Consumption Max. 8W (typical 5W)
Current Consumption 200mA (24V DC)
6. Mechanical & Environmental
Parameter Specification
Dimensions (W×H×D) 137 × 109 × 41 mm
Weight 0.45 kg
Protection Class Front IP65/NEMA 4X, Rear IP20
Operating Temperature 0°C to +50°C
Storage Temperature -30°C to +60°C
Relative Humidity 10% to 90% (non-condensing)
7. Software & Compatibility
Parameter Specification
Engineering Software WinCC Basic (TIA Portal)
Runtime Software WinCC Runtime Basic
Supported Controllers SIMATIC S7-200/300/400 via PROFIBUS
8. Mounting
Parameter Specification
Panel Cutout 124 × 94 mm
Mounting Depth 31 mm
Mounting Type Panel mounting
9. Certifications
Standard Compliance
CE Yes
UL Yes
cULus Yes
RoHS Compliant
10. Additional Features
Integrated keypad (function keys)

On-screen keyboard

Password protection

Alarm management

11. Ordering Information
Complete designation: 6AV6 640-0AA00-0AX0

Package includes: HMI panel, mounting clamps, documentation

12. Typical Applications
Small machine control panels

Process visualization

Operator control stations

Legacy system upgrades