Siemens 6AV6647-0AF11-3AX0 KTP400 Basic

Name: Siemens 6AV6647-0AF11-3AX0 KTP400 Basic
Brand: Siemens
SKU: 6AV6647-0AF11-3AX0
Availability: InStock

Price range: € 910,00 through € 2.999,00

Condition

Clear

SKU: 6AV6647-0AF11-3AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens KTP400 Basic (part number 6AV6647-0AF11-3AX0) is a compact key and touch panel belonging to the SIMATIC HMI Basic Panel 2nd Generation family. It features a 4-inch widescreen 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 widescreen display with a resolution of 480 x 272 pixels and 64,000 color support, combined with a resistive touch screen and four configurable function keys. It communicates via a single PROFINET interface, enabling integration into modern Ethernet-based automation networks. The panel is configured exclusively using Siemens WinCC Basic (TIA Portal) engineering software, and supports a project memory of 10 MB. Operating voltage is 24 V DC, and the unit is rated IP65 on the front face for protection against dust and water ingress.

The KTP400 Basic is widely deployed in small to medium-sized machines across manufacturing, packaging, food and beverage, and general industrial automation applications. Its compact form factor and PROFINET connectivity make it well-suited for integration with Siemens S7-1200 and S7-1500 PLCs in space-constrained control panel installations. The combination of touch and physical function keys provides operators with a reliable and intuitive interface for process monitoring and control.

Technical Specifications

Display Size	4 inch widescreen TFT
Display Resolution	480 x 272 pixels
Display Colors	64,000 colors
Touch Technology	Resistive touch screen
Function Keys	4 configurable function keys
Input/Operating Voltage	24 V DC
Communication Interface	PROFINET (1x RJ45)
Project 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/Protection Rating	IP65 (front), IP20 (rear)
Mounting	Panel mounting
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC HMI Basic Panel 2nd Generation

Common Error Codes & System Events

Event ID: 10000: Configuration error detected on the HMI panel, indicating a mismatch or corrupt project data loaded onto the device.
Re-download the project from TIA Portal WinCC Basic to the panel. Verify project compatibility with the panel firmware version.
Event ID: 20000: Communication connection to the PLC has been lost or cannot be established via PROFINET.
Check PROFINET cable and RJ45 connector integrity. Verify IP address configuration of both the panel and PLC. Confirm the PLC is in RUN mode.
Event ID: 40000: The HMI panel has detected an internal system fault or watchdog timeout.
Perform a power cycle of the panel. If the fault persists, reset the panel to factory defaults and reload the project via TIA Portal.
Event ID: 70000: Tag or variable update error; a configured tag cannot be read from or written to the connected controller.
Verify the tag address in the WinCC Basic project matches the actual PLC data block or memory address. Check PLC program for address changes.
Event ID: 3000: Firmware update error occurred during a panel firmware upgrade procedure.
Retry the firmware update using the Siemens ProSave tool or via TIA Portal. Ensure stable power supply during the update process.
Event ID: 50000: Operator input rejected; a write operation to the PLC was denied due to access protection or PLC operating mode.
Check PLC operating mode (must be in RUN or RUN-P). Verify operator authorization levels configured in the WinCC Basic project.
Event ID: 60000: Panel display backlight fault or backlight lifetime warning indicating reduced backlight performance.
If the panel is within warranty, contact Siemens support. Otherwise, consider panel replacement or professional backlight servicing.

Frequently Asked Questions

Which engineering software is required to configure the KTP400 Basic 6AV6647-0AF11-3AX0?

The KTP400 Basic must be configured using Siemens WinCC Basic, which is included with the TIA Portal engineering software suite. No other third-party configuration tools are supported.

Which PLCs are compatible with the KTP400 Basic panel?

The KTP400 Basic communicates via PROFINET and is primarily designed for use with Siemens S7-1200 and S7-1500 PLCs. Connectivity to S7-300 and S7-400 PLCs is also possible via PROFINET with appropriate configuration.

What is the operating voltage of the KTP400 Basic?

The panel operates on 24 V DC. Ensure the power supply is within the specified tolerance range to avoid damage or unstable operation.

Does the KTP400 Basic support USB connectivity?

Yes, the KTP400 Basic includes a USB Type-A interface, which can be used for project transfer via USB memory stick and for connecting a USB keyboard or mouse.

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

The front face of the KTP400 Basic is rated IP65, providing full protection against dust ingress and low-pressure water jets, making it suitable for industrial panel-mount installations.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel power connector. Check that polarity is correct and voltage is within the specified tolerance. Inspect the power supply unit output under load.

Correct any wiring errors or replace the external 24 V DC power supply if it is out of tolerance. If supply voltage is confirmed correct and display remains blank, the panel may require internal repair or replacement.

Panel cannot establish communication with the S7-1200 PLC

Verify the PROFINET IP address settings on both the KTP400 Basic and the S7-1200 PLC. Use a network scanner or TIA Portal device scan to confirm both devices are visible on the network. Check the RJ45 cable and switch connections.

Assign correct and unique IP addresses to both devices within the same subnet. Replace the PROFINET cable if damaged. Ensure the HMI connection in the TIA Portal project is correctly configured and re-download the project to the panel.

Touchscreen does not respond or responds inaccurately to touch input

Check for physical damage, scratches, or contamination on the touch surface. Test touch response across different areas of the screen to identify if the issue is localized or global.

Clean the touch surface with a soft, dry cloth. If inaccurate response persists, recalibrate the touch screen via the panel's Start Center settings menu. If unresponsive after calibration, the touch panel overlay may require replacement.

Project download from TIA Portal fails or times out

Verify the USB or PROFINET connection between the engineering PC and the HMI panel. Confirm the panel is in Transfer mode (accessible via the Start Center on the panel). Check firewall settings on the PC that may block TIA Portal communication.

Switch the panel to Transfer mode manually via the Start Center. Disable PC firewall temporarily during download or add TIA Portal as a firewall exception. Ensure the TIA Portal version matches the panel firmware version; update firmware if necessary.

Panel repeatedly reboots or shows a system fault after loading a project

Check the project size does not exceed the 10 MB panel memory limit. Review the event log in the panel Start Center for specific event IDs. Verify the firmware version of the panel is compatible with the TIA Portal version used to create the project.

Reduce project size if memory limit is exceeded. Update panel firmware to the version recommended by the TIA Portal project. Perform a factory reset via the Start Center and re-download the project if instability continues.

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