Siemens 6AV6647-0AC11-3AX0 KTP400 Basic

Name: Siemens 6AV6647-0AC11-3AX0 KTP400 Basic
Brand: Siemens
SKU: 6AV6647-0AC11-3AX0
Availability: InStock

Price range: € 455,00 through € 1.199,00

Condition

Clear

SKU: 6AV6647-0AC11-3AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens KTP400 Basic (part number 6AV6647-0AC11-3AX0) is a compact key and touch panel belonging to the SIMATIC HMI Basic Panel family. It features a 4-inch widescreen TFT display and is designed for straightforward machine-level visualization tasks. This panel is part of Siemens' entry-level HMI portfolio, offering a cost-effective solution for simple operator interface requirements.

The KTP400 Basic is equipped with a 4-inch TFT display with a resolution of 480 x 272 pixels and supports 64,000 colors. It combines touch operation with four dedicated function keys, providing flexible operator input options. The panel communicates via PROFINET (Ethernet) and is configured using Siemens WinCC Basic software included with TIA Portal. It operates on a 24 V DC supply and features 10 MB of user memory for project data and recipes.

The KTP400 Basic is widely used in manufacturing, packaging, and process automation applications where compact, reliable operator panels are required at the machine level. Its small form factor makes it suitable for integration into control cabinets and machine panels with limited space. Industries such as food and beverage, automotive assembly, and general machine building commonly deploy this panel for status display, parameter entry, and basic process visualization.

Technical Specifications

Display Size	4 inch
Display Resolution	480 x 272 pixels
Display Colors	64,000 colors
Display Type	TFT widescreen
Touch Technology	Resistive touch screen
Function Keys	4
Input/Operating Voltage	24 V DC
Power Consumption	4.5 W (typical)
Communication Interface	PROFINET (1x RJ45 Ethernet)
User Memory	10 MB
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
IP Rating (Front)	IP65
IP Rating (Rear)	IP20
Dimensions (W x H x D)	155 x 116 x 33 mm
Panel Cutout	138 x 99 mm
Certifications	CE, UL, cULus
Configuration Software	WinCC Basic (TIA Portal)
Series/Product Family	SIMATIC HMI Basic Panel

Common Error Codes and System Events

Event ID: 10000: Communication error between HMI panel and PLC. The configured connection to the controller cannot be established or has been lost.
Check PROFINET cable and RJ45 connector integrity. Verify IP address configuration on both the HMI and PLC. Ensure the PLC is in RUN mode and the network switch or router is operational.
Event ID: 10001: Connection to the PLC was interrupted during runtime operation.
Check physical network connection and cable. Verify PLC is powered and running. Review network configuration in TIA Portal and re-download the project if necessary.
Event ID: 20000: Project download failed or project data is corrupted on the panel.
Re-download the project from TIA Portal to the HMI panel. Ensure the WinCC Basic project version matches the panel firmware version. Perform a panel reset if the issue persists.
Event ID: 40000: HMI panel firmware version is incompatible with the loaded project.
Update the panel firmware using the Siemens Automation License Manager or TIA Portal. Alternatively, recompile and re-download the project using a compatible TIA Portal version.
Event ID: 70000: Internal device error or hardware fault detected on the panel.
Perform a factory reset of the panel via the Start Center menu. If the error persists after reset and re-download, the panel hardware may require replacement or professional repair.
Event ID: 50000: Tag limit exceeded. The number of configured tags in the project exceeds the panel's supported limit.
Review the project configuration in TIA Portal and reduce the number of tags. Consolidate tags where possible or upgrade to a higher-tier HMI panel with greater tag capacity.

Frequently Asked Questions

What communication interface does the KTP400 Basic 6AV6647-0AC11-3AX0 support?

The KTP400 Basic supports PROFINET communication via a single RJ45 Ethernet port. It can connect directly to Siemens S7-1200 and S7-1500 PLCs, as well as other PROFINET-capable controllers.

Which software is used to configure the KTP400 Basic panel?

The KTP400 Basic is configured using WinCC Basic, which is included with Siemens TIA Portal. A compatible version of TIA Portal must be used to compile and download projects to the panel.

Is the KTP400 Basic compatible with S7-300 or S7-400 PLCs?

The KTP400 Basic primarily supports PROFINET-based communication and is optimized for use with S7-1200 and S7-1500 PLCs. Connectivity to S7-300 and S7-400 PLCs via Ethernet is possible but may require additional configuration and is subject to limitations in WinCC Basic.

What is the operating voltage of the 6AV6647-0AC11-3AX0?

The panel operates on a 24 V DC supply voltage. The permissible voltage range is typically 19.2 V DC to 28.8 V DC.

What is the front panel protection rating of the KTP400 Basic?

The front panel of the KTP400 Basic carries an IP65 protection rating, making it resistant to dust ingress and low-pressure water jets, suitable for installation in industrial machine panels.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the panel's power connector. Verify polarity is correct and voltage is within the 19.2–28.8 V DC range. Check the power supply unit output under load.

Correct any wiring errors or replace the power supply if the voltage is out of range. If supply voltage is correct and the display remains blank, the panel's internal power supply or backlight may be faulty and the unit should be sent for repair.

'No connection to PLC' message displayed at runtime

Check the PROFINET cable between the HMI and PLC. Verify the IP address settings on the HMI via the Start Center and compare with the PLC's configured IP address in TIA Portal. Ping the PLC from a PC on the same network to confirm network connectivity.

Replace or reseat the Ethernet cable. Correct any IP address mismatches in TIA Portal and re-download the project. Ensure the PLC is in RUN mode and that no firewall or managed switch settings are blocking communication.

Touchscreen does not respond or responds inaccurately

Check for physical damage or contamination on the touch surface. Test touch response in the Start Center menu before loading the project to isolate whether the issue is hardware or project-related.

Clean the touch surface with a soft, dry cloth. If inaccurate response persists, perform a touch calibration via the Start Center settings menu. If the touchscreen is unresponsive after calibration, the touch panel assembly may require replacement.

Project download fails from TIA Portal

Verify the PC and HMI panel are on the same network subnet. Check that the panel is in transfer mode (accessible via Start Center). Confirm the TIA Portal version is compatible with the panel firmware version.

Set the panel to transfer mode manually via the Start Center. Update the panel firmware if a version mismatch is detected. Disable any PC firewall temporarily during download and ensure the correct network adapter is selected in TIA Portal's device settings.

Panel repeatedly restarts or enters a boot loop

Attempt to access the Start Center during boot by pressing the panel at startup. Check whether the issue occurs with no project loaded, which would indicate a hardware fault rather than a project configuration error.

Perform a factory reset via the Start Center to clear any corrupted project data. Re-download a freshly compiled project from TIA Portal. If the boot loop continues with no project loaded, the panel hardware is likely faulty and requires professional repair or replacement.

Condition	Repair, Used, Refurbished, New in box (sealed)