Siemens 6AV6646-1BA22-1NA0 SIMATIC KTP400 Basic

Name: Siemens 6AV6646-1BA22-1NA0 SIMATIC KTP400 Basic
Brand: Siemens
SKU: 6AV6646-1BA22-1NA0
Price: 961.00 EUR
Availability: InStock

€ 961,00

Condition

Clear

SKU: 6AV6646-1BA22-1NA0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6646-1BA22-1NA0 is a SIMATIC KTP400 Basic panel belonging to the Basic Panel 2nd Generation family from Siemens. It is a compact 4-inch key and touch-operated HMI panel designed for straightforward machine-level visualization and operator control tasks. This unit provides a cost-effective entry-level HMI solution within the SIMATIC HMI portfolio, suitable for applications requiring a small-footprint display with basic functionality.

The KTP400 Basic features a 4.3-inch widescreen TFT display with a resolution of 480 x 272 pixels and 64,000 colors, delivering clear process visualization. It is equipped with 4 configurable function keys and a resistive touch screen for operator input. Communication is handled via a PROFINET interface, enabling seamless integration into modern Ethernet-based automation networks. The panel is configured using Siemens WinCC Basic (TIA Portal) engineering software and supports a user memory of 10 MB for project data.

The SIMATIC KTP400 Basic is widely deployed in machine building, packaging machinery, conveyor systems, and small-scale process automation where a compact and reliable operator interface is required. Its PROFINET connectivity makes it directly compatible with SIMATIC S7-1200 and S7-1500 PLCs, as well as other PROFINET-capable controllers. The panel's small form factor and portrait or landscape mounting options make it suitable for integration into control cabinets and machine panels with limited space.

Technical Specifications

Display Size	4.3 inch
Display Resolution	480 x 272 pixels
Display Colors	64,000 colors
Display Type	TFT widescreen
Touch Technology	Resistive touch screen
Function Keys	4 configurable function keys
Input/Operating Voltage	24 V DC
Power Consumption	4.5 W (typical)
Communication Interface	PROFINET (RJ45)
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
Mounting	Panel mounting
Certifications	CE, UL, cULus
Engineering Software	WinCC Basic (TIA Portal)

Common Error Codes & System Events

Event ID: 10000: Connection to the PLC could not be established or was interrupted during operation.
Check PROFINET cable connections and network configuration. Verify PLC IP address settings match the HMI project configuration. Ensure the PLC is in RUN mode.
Event ID: 10001: Communication timeout between the HMI panel and the configured PLC controller.
Check network integrity and switch/router status. Verify PROFINET device names and IP addresses are correctly assigned. Restart both the HMI and PLC if the issue persists.
Event ID: 20000: Project download failed or project data is corrupted on the panel.
Re-download the project from TIA Portal to the panel. Ensure the TIA Portal version matches the firmware version of the panel. Check USB or PROFINET connection used for transfer.
Event ID: 40000: HMI panel firmware version is incompatible with the loaded project.
Update the panel firmware to the version required by the TIA Portal project, or recompile the project using a compatible TIA Portal version and re-download.
Event ID: 70000: Internal device error detected on the HMI panel hardware.
Perform a panel reset to factory defaults. If the error persists, the panel hardware may require repair or replacement.
Event ID: 50000: Tag or variable address in the project references an invalid or non-existent PLC data block or memory area.
Review the HMI project in TIA Portal and verify all tag addresses correspond to valid PLC memory locations. Recompile and re-download the project after corrections.
Event ID: 30000: Operator panel display backlight failure or reduced brightness detected.
Check the operating hours of the panel. If the backlight has failed, the panel display unit requires servicing or replacement of the backlight assembly.

Frequently Asked Questions

Which PLCs are compatible with the SIMATIC KTP400 Basic (6AV6646-1BA22-1NA0)?

The KTP400 Basic communicates via PROFINET and is primarily designed for use with Siemens SIMATIC S7-1200 and S7-1500 PLCs. It can also communicate with other PROFINET-capable controllers when configured appropriately in TIA Portal.

What engineering software is required to configure this panel?

The 6AV6646-1BA22-1NA0 must be configured using Siemens WinCC Basic, which is included with TIA Portal. The panel is not compatible with WinCC flexible or older STEP 7 Classic software.

What is the supply voltage for the KTP400 Basic panel?

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

Does the KTP400 Basic support data logging or recipe management?

The KTP400 Basic supports basic recipe management and data logging functions within the limitations of WinCC Basic. Advanced functions available in higher-tier panels such as the Comfort series are not available on this panel.

What is the front panel protection rating of the 6AV6646-1BA22-1NA0?

The front face of the KTP400 Basic panel is rated IP65, making it suitable for installation in environments where dust and water jets may be present. The rear of the panel is rated IP20.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel power connector. Check that the supply is within the required voltage tolerance. Inspect the power connector for loose or incorrect wiring.

Correct the supply voltage if out of range. Re-seat or replace the power connector wiring. If voltage is correct and display remains blank, the panel backlight or internal power circuitry may require repair or unit replacement.

HMI panel does not establish communication with the PLC

Verify the PROFINET cable is connected to the correct RJ45 port on the panel. Check the IP address and PROFINET device name assigned to the panel in TIA Portal match the physical device settings. Use a network diagnostic tool to confirm the panel is visible on the network.

Correct any IP address or device name mismatches in TIA Portal and re-download the project. Replace the PROFINET cable if a physical fault is suspected. Ensure the PLC is powered and in RUN mode.

Touchscreen does not respond or responds inaccurately to input

Check the screen surface for contamination, moisture, or physical damage. Resistive touch screens can be affected by dirt or pressure applied at the edges. Verify the touch calibration has not been disrupted.

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

Project download from TIA Portal fails or is interrupted

Check the PROFINET or USB connection between the engineering PC and the panel. Verify that the TIA Portal project version is compatible with the panel firmware version. Confirm the panel is in transfer mode before initiating the download.

Switch the panel to transfer mode via the Start Center. Update panel firmware if a version mismatch is detected. Use a direct point-to-point PROFINET connection rather than a network switch to eliminate network-related transfer issues.

Panel repeatedly restarts or enters an error loop after project load

The loaded project may contain configuration errors or reference invalid PLC tags. Check the panel diagnostics buffer in TIA Portal for specific event IDs. Verify that the project was compiled without errors before downloading.

Recompile the TIA Portal project, resolve all errors and warnings, and re-download to the panel. If the panel cannot be accessed, perform a factory reset via the Start Center and re-download a verified project.

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