Siemens 6AV6645-0DB01-0AX0 SIMATIC MP 277

Name: Siemens 6AV6645-0DB01-0AX0 SIMATIC MP 277
Brand: Siemens
SKU: 6AV6645-0DB01-0AX0
Price: 1970.00 EUR
Availability: InStock

€ 1.970,00

Condition

Clear

SKU: 6AV6645-0DB01-0AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6645-0DB01-0AX0 is a Multi Panel (MP 277) belonging to the SIMATIC HMI family, designed for demanding machine-level visualization and operator control tasks. This panel is part of the SIMATIC MP 277 series, which offers a wide-format display and robust construction suited for industrial environments. It serves as a powerful operator interface capable of communicating with a broad range of Siemens and third-party controllers.

The MP 277 (6AV6645-0DB01-0AX0) features a 10.4-inch TFT color display with a resolution of 640 x 480 pixels (VGA) and supports touch operation. It runs on Microsoft Windows CE and is configured using WinCC flexible or TIA Portal WinCC. The panel includes USB interfaces, an Ethernet port (PROFINET), and an MPI/PROFIBUS DP interface, enabling flexible integration into existing automation networks. Onboard flash memory and an SD card slot provide ample project and data storage capacity.

The SIMATIC MP 277 is widely deployed in machine building, automotive manufacturing, food and beverage processing, and packaging industries. Its combination of touch input, multiple communication interfaces, and Windows CE-based runtime environment makes it suitable for applications requiring real-time process visualization, recipe management, alarm logging, and trend display at the machine level.

Technical Specifications

Display Size	10.4 inch
Display Resolution	640 x 480 pixels (VGA)
Display Colors	256 colors (TFT)
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 20 W
Operating System	Microsoft Windows CE 5.0
Communication Interface	PROFINET (Ethernet RJ45), MPI/PROFIBUS DP (RS-422/RS-485)
USB Interfaces	2 x USB 2.0 (Type A)
Memory	12 MB user memory (flash); SD card slot
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 MP 277

Common Error Codes & System Events

Event ID: 10000: Communication error between HMI panel and PLC controller. Connection to the configured controller cannot be established or has been lost.
Check physical connections on MPI/PROFIBUS or Ethernet interface. Verify PLC is powered and running. Confirm correct communication parameters (baud rate, station address) in the WinCC flexible project.
Event ID: 10001: Tag read error. The HMI panel cannot read the value of a configured tag from the controller.
Verify the tag address exists in the PLC program. Check that the data block or memory area referenced is present and accessible. Confirm communication link is active.
Event ID: 10002: Tag write error. The HMI panel cannot write a value to the configured tag in the controller.
Check that the target tag address is writable and not write-protected in the PLC. Verify the communication connection is active and the PLC is in RUN mode.
Event ID: 40000: Project download error. A project transfer to the panel has failed or been interrupted.
Ensure the transfer cable or Ethernet connection is secure. Verify the panel is in Transfer mode. Restart the transfer from WinCC flexible or TIA Portal and check for sufficient free memory on the panel.
Event ID: 70010: Internal flash memory error. The panel has detected a fault in its internal flash storage.
Perform a panel reset and attempt to reload the project. If the error persists, the internal flash memory may be corrupted; consider restoring the operating system via the Siemens ProSave tool.
Event ID: 20000: Script or function error in the HMI project. A configured script or function has encountered a runtime error during execution.
Review the script logic in WinCC flexible for syntax or runtime errors. Check that all referenced tags and functions are correctly configured and available.
Event ID: 50000: Alarm buffer overflow. The number of pending alarms has exceeded the configured alarm buffer capacity.
Acknowledge and clear existing alarms. Review alarm configuration to increase buffer size or reduce alarm frequency. Investigate the root cause of recurring alarms in the process.

Frequently Asked Questions

What communication interfaces are available on the 6AV6645-0DB01-0AX0?

The MP 277 10-inch touch panel provides a PROFINET interface (RJ45 Ethernet), an MPI/PROFIBUS DP interface (RS-422/RS-485), and two USB 2.0 ports. This allows connection to S7-200, S7-300, S7-400, and other compatible controllers.

Which software is used to configure and program this HMI panel?

The SIMATIC MP 277 is configured using Siemens WinCC flexible 2008 or TIA Portal with WinCC (depending on the project). ProSave is used for operating system updates and panel restoration.

What is the supply voltage for the 6AV6645-0DB01-0AX0?

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

Is the MP 277 compatible with S7-1200 and S7-1500 PLCs?

The MP 277 can communicate with S7-1200 and S7-1500 controllers via PROFINET/Ethernet, though full integration is best achieved using TIA Portal. Some advanced features of newer PLCs may have limited support on this legacy panel.

What is the IP protection rating of the front panel?

The front of the 6AV6645-0DB01-0AX0 is rated IP65, making it resistant to dust and water jets, which is suitable for panel-mount installation in industrial enclosures.

Troubleshooting

Display remains blank after power on

Check that 24 V DC is present at the power supply connector. Measure voltage at the panel terminals. Inspect the internal fuse if accessible.

Ensure the power supply is correctly wired and within the 24 V DC specification. If voltage is present but the display remains off, the backlight or internal power board may be faulty and the panel should be sent for repair or the backlight replaced.

Touch screen does not respond or responds inaccurately

Attempt to recalibrate the touch screen via the panel's Start Center or Control Panel settings. Check for physical damage or contamination on the screen surface.

Perform a touch screen calibration through the Windows CE Control Panel. Clean the screen surface with a soft cloth. If calibration fails repeatedly, the touch digitizer may be defective and require replacement.

Panel fails to establish communication with the PLC

Verify the MPI/PROFIBUS or Ethernet cable connections. Check the station address and baud rate settings on both the panel and the PLC. Use a network diagnostic tool to confirm the PLC is reachable.

Correct any mismatched communication parameters in the WinCC flexible project and the PLC configuration. Replace the communication cable if damaged. Ensure the PLC is powered on and in RUN mode.

Project cannot be transferred to the panel

Confirm the panel is set to Transfer mode via the Start Center. Check the Ethernet or USB connection between the engineering PC and the panel. Verify sufficient free memory is available on the panel.

Switch the panel to Transfer mode, re-establish the connection in WinCC flexible, and retry the download. If memory is insufficient, delete unused projects or data from the panel using ProSave before transferring.

Panel repeatedly reboots or freezes during operation

Check the 24 V DC supply for voltage drops or ripple. Review the project for memory-intensive scripts or large data logs that may overload the panel CPU. Check operating temperature conditions.

Stabilize the power supply and ensure it meets the current requirements. Optimize the HMI project by reducing script complexity and data log frequency. Ensure the installation environment does not exceed the 0 to 50 °C operating temperature range.

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