Siemens 6AV6643-0DB01-1AX2 MP277

Name: Siemens 6AV6643-0DB01-1AX2 MP277
Brand: Siemens
SKU: 6AV6643-0DB01-1AX2
Availability: InStock

Price range: € 1.072,00 through € 3.542,40

Condition

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SKU: 6AV6643-0DB01-1AX2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens MP277 (part number 6AV6643-0DB01-1AX2) is a Multi Panel HMI device belonging to the SIMATIC HMI family. It features a 10.4-inch display and is designed for machine-level visualization and operator control tasks. As part of the MP277 series, it offers a robust platform for demanding industrial environments requiring reliable human-machine interface functionality.

The 6AV6643-0DB01-1AX2 variant features a 10.4-inch STN color display with a resolution of 640 x 480 pixels (VGA) and resistive touch screen technology. It is equipped with a 32 MB RAM and 32 MB flash memory, and runs on the Windows CE 5.0 operating system. Communication interfaces include PROFIBUS DP, MPI, and Ethernet (10/100 Mbit/s), enabling integration with a wide range of Siemens SIMATIC PLCs including S7-300 and S7-400. The panel operates on a 24 V DC supply and carries IP65 protection on the front face.

The MP277 10" Touch is widely used in manufacturing, automotive, food and beverage, and process industries for machine control panels and production line visualization. Its compatibility with WinCC flexible and TIA Portal (via migration) makes it suitable for complex SCADA-level visualization at the machine level. The combination of touch operation, multiple communication interfaces, and a compact form factor makes it a versatile choice for OEM machine builders and system integrators.

Technical Specifications

Display Size	10.4 inch
Display Resolution	640 x 480 pixels (VGA)
Display Type	STN color LCD
Display Colors	256 colors
Touch Technology	Resistive touch screen
Operating System	Windows CE 5.0
RAM	32 MB
Flash Memory	32 MB
Input/Operating Voltage	24 V DC (19.2 V – 28.8 V)
Power Consumption	Approx. 25 W
Communication Interface	PROFIBUS DP/MPI, Ethernet 10/100 Mbit/s, USB
IP Rating (Front)	IP65
IP Rating (Rear)	IP20
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
Mounting	Panel mounting
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 10000: Configuration error – the project loaded on the panel contains configuration faults or is incompatible with the panel firmware version.
Check the WinCC flexible project for compatibility with the MP277 firmware version. Recompile and re-transfer the project.
Event ID: 20000: Communication error – connection to the configured PLC (e.g. S7-300/S7-400) has been lost or cannot be established.
Check PROFIBUS/MPI or Ethernet cabling and termination resistors. Verify PLC address settings match the HMI project configuration.
Event ID: 40000: Tag read/write error – the HMI panel cannot read from or write to a configured PLC tag.
Verify that the PLC is in RUN mode and that the tag addresses in the HMI project match the actual PLC data block structure.
Event ID: 50000: Alarm buffer overflow – the alarm buffer on the panel has reached its maximum capacity.
Acknowledge and clear pending alarms. Review alarm configuration to reduce unnecessary alarm generation or increase buffer size in the project settings.
Event ID: 70000: Project transfer error – an error occurred during project download from the engineering PC to the panel.
Check the transfer cable or network connection. Ensure the panel is in Transfer mode and that the correct communication interface is selected in WinCC flexible.
Event ID: 110000: System memory low – available RAM on the panel is critically low, which may cause instability or slow response.
Reduce the complexity of the HMI project (e.g. reduce number of screens, images, or scripts). Restart the panel to free memory.
Event ID: 130000: Flash memory write error – the panel encountered an error when writing data (e.g. recipes or data logs) to internal flash memory.
Check available flash memory space. Delete unused data logs or recipe records. If the error persists, the internal flash memory may require service or replacement.

Frequently Asked Questions

Which engineering software is used to configure the MP277 6AV6643-0DB01-1AX2?

The MP277 is configured using Siemens WinCC flexible 2008 or later. It can also be integrated into TIA Portal projects via the WinCC flexible migration tool, though native TIA Portal support is limited to migration scenarios.

Which PLCs are compatible with the MP277?

The MP277 supports communication with Siemens SIMATIC S7-200, S7-300, S7-400, and S7-1200 PLCs via MPI, PROFIBUS DP, or Ethernet interfaces. Third-party PLCs can also be connected using supported drivers available in WinCC flexible.

What is the supply voltage for the 6AV6643-0DB01-1AX2?

The panel requires a 24 V DC power supply with an operating range of 19.2 V to 28.8 V. A regulated DC power supply is recommended to ensure stable operation.

Does the MP277 support recipe management and data logging?

Yes, the MP277 supports recipe management and data logging functions configurable within WinCC flexible. Data can be stored in internal flash memory or on an external USB storage device.

What is the front panel protection rating of the MP277?

The front face of the MP277 achieves IP65 protection, making it suitable for panel-mount installations where exposure to dust and water jets is possible. The rear of the unit is rated IP20.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector. Check that the voltage is within the 19.2 V to 28.8 V range. Inspect the internal fuse if accessible.

Correct the supply voltage if out of range. If the supply is correct and the display remains blank, the backlight or internal power supply board may have failed and the unit should be sent for repair or the backlight replaced.

Touchscreen does not respond or responds inaccurately

Check whether the touch screen responds at all by observing any visual feedback. Determine if the issue is a complete failure or a calibration drift. Access the panel's Control Panel via the Start menu if the OS is still accessible.

Perform a touchscreen recalibration via the Siemens panel Control Panel (Start > Settings > Control Panel > OP). If recalibration does not resolve the issue, the resistive touch overlay may be damaged and requires replacement.

Panel fails to establish communication with the PLC

Verify the physical connection (PROFIBUS cable, MPI cable, or Ethernet cable). Check bus termination on PROFIBUS networks. Confirm the PLC address and communication parameters in the HMI project match the actual PLC configuration.

Correct any wiring or termination issues. Update the communication parameters in the WinCC flexible project and re-transfer to the panel. Ensure the PLC is powered and in RUN mode.

Project transfer from PC to panel fails

Confirm the panel is set to Transfer mode (accessible via the Loader screen on startup). Check the Ethernet or USB connection between the engineering PC and the panel. Verify firewall settings on the PC are not blocking the transfer.

Set the panel to Transfer mode manually via the Loader. Use the correct IP address or communication interface in WinCC flexible Transfer settings. Disable PC firewall temporarily to rule out network blocking.

Panel reboots repeatedly or freezes during operation

Check the supply voltage stability under load. Review the HMI project for memory-intensive scripts or large image files that may be causing resource exhaustion. Check for overheating by verifying ambient temperature and ventilation around the panel.

Stabilize the power supply and ensure adequate ventilation. Optimize the WinCC flexible project by reducing script complexity and image sizes. If the issue persists after project optimization, the panel hardware may require service.

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