Siemens 6AV6645-0DD01-0AX0 SIMATIC MP 277

Name: Siemens 6AV6645-0DD01-0AX0 SIMATIC MP 277
Brand: Siemens
SKU: 6AV6645-0DD01-0AX0
Price: 1671.00 EUR
Availability: InStock

€ 1.671,00

Condition

Clear

SKU: 6AV6645-0DD01-0AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6645-0DD01-0AX0 is a Multi Panel (MP 277) belonging to the SIMATIC HMI family, designed for demanding machine-level visualization and operator control tasks. This unit features a 10.4-inch TFT display and runs on the Windows CE operating system, making it suitable for complex HMI applications. It is part of Siemens' established SIMATIC HMI panel range, which is widely deployed across industrial automation environments worldwide.

The MP 277 (6AV6645-0DD01-0AX0) is equipped with a touch-sensitive screen and supports a display resolution of 640 x 480 pixels (VGA) with 256 colors. It provides multiple communication interfaces including PROFIBUS DP and MPI, as well as Ethernet (PROFINET) connectivity, enabling integration into a wide range of automation architectures. The panel includes 12 MB of user memory for project data, operates on a 24 V DC supply, and is rated IP65 on the front face for protection against dust and water ingress. It supports WinCC flexible runtime software for project configuration and execution.

The SIMATIC MP 277 is commonly used in machine building, automotive manufacturing, food and beverage processing, and general factory automation. Its combination of touch operation, robust communication options, and compatibility with Siemens S7 PLCs (S7-200, S7-300, S7-400) makes it well suited for applications requiring reliable 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
Display Type	TFT LCD
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 18 W
User Memory	12 MB
Operating System	Windows CE 5.0
Communication Interface	PROFIBUS DP/MPI, Ethernet (PROFINET), USB
IP/Protection Rating	IP65 (front), IP20 (rear)
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
Series/Product Family	SIMATIC HMI MP 277

Common Error Codes & System Events

Event ID: 10000: Communication error between HMI panel and PLC. Connection to the configured controller cannot be established or has been lost.
Check PROFIBUS/MPI or Ethernet cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Restart both the PLC and HMI panel.
Event ID: 10001: Timeout error on communication link. The HMI did not receive a response from the PLC within the configured timeout period.
Check network cabling and connectors. Verify the PLC is in RUN mode. Increase the communication timeout value in WinCC flexible project settings if necessary.
Event ID: 20000: Tag read error. The HMI panel is unable to read the value of a configured tag from the PLC.
Verify the tag address in the WinCC flexible project matches the actual PLC data block or memory address. Check PLC program for correct data area definitions.
Event ID: 40000: Project download error. Transfer of the HMI project from the engineering PC to the panel has failed.
Check the transfer cable or network connection between PC and panel. Ensure the panel is in Transfer mode. Verify WinCC flexible version compatibility between engineering software and panel firmware.
Event ID: 50000: System memory low. Available runtime memory on the HMI panel is insufficient to execute the current project.
Reduce the project size by optimizing graphics, reducing the number of simultaneous alarms, or archiving historical data. Consider upgrading to a panel with greater memory capacity.
Event ID: 60000: Backup/restore error. An error occurred during the backup or restoration of project data or panel settings.
Ensure the storage medium (USB stick or memory card) is correctly inserted and has sufficient free space. Reformat the storage medium if necessary and retry the backup or restore operation.
Event ID: 70000: Firmware update error. The firmware update process on the panel was interrupted or failed to complete.
Restart the panel and attempt the firmware update again using the correct firmware version for the 6AV6645-0DD01-0AX0. Ensure stable power supply during the update process.

Frequently Asked Questions

What communication interfaces are available on the 6AV6645-0DD01-0AX0?

The MP 277 10-inch touch panel provides PROFIBUS DP/MPI, PROFINET (Ethernet), and USB interfaces. This allows direct connection to Siemens S7-200, S7-300, and S7-400 PLCs as well as third-party controllers via configurable drivers.

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

The 6AV6645-0DD01-0AX0 is configured using Siemens WinCC flexible 2008 or later. Projects are created on a PC and transferred to the panel via Ethernet or USB connection.

What is the display size and resolution of this panel?

The panel features a 10.4-inch TFT color display with a resolution of 640 x 480 pixels (VGA) and supports 256 colors.

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

The MP 277 can communicate with S7-1200 and S7-1500 PLCs via Ethernet using the S7 communication driver, though full TIA Portal integration is not supported. WinCC flexible is the primary engineering tool for this panel.

What is the front panel protection rating of the 6AV6645-0DD01-0AX0?

The front face of the panel is rated IP65, providing complete protection against dust ingress and low-pressure water jets, making it suitable for installation in industrial control cabinet doors.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the panel power connector. Check that the supply is within the specified range and that polarity is correct. Inspect the internal fuse if accessible.

Correct any supply voltage issues. If voltage 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 by a qualified technician.

Touch screen does not respond or responds inaccurately

Check whether the touch screen responds at all by observing any visual feedback on the display. Determine if the issue is a complete failure or misalignment of the touch calibration.

Perform a touch screen recalibration via the Windows CE Control Panel or the Siemens Start Center on the panel. If recalibration does not resolve the issue, the touch screen overlay may be damaged and require replacement.

HMI panel cannot establish communication with the PLC

Verify the cable type and wiring between the panel and PLC. Check the PROFIBUS address or IP address settings on both the panel and PLC. Confirm the PLC is powered and in RUN mode.

Correct any address mismatches in the WinCC flexible project and PLC configuration. Replace faulty cables or connectors. Ensure PROFIBUS bus termination is correctly applied at both ends of the network segment.

Project transfer from PC to panel fails

Confirm the panel is set to Transfer mode via the Start Center. Check the Ethernet or USB cable connection between the engineering PC and the panel. Verify firewall settings on the PC are not blocking the transfer.

Switch the panel to Transfer mode manually. Disable PC firewall temporarily during transfer. Ensure the WinCC flexible version on the PC matches the firmware version on the panel, and update panel firmware if necessary.

Panel reboots unexpectedly or freezes during operation

Check the supply voltage for fluctuations or drops below 24 V DC. Review the alarm and event log on the panel for any system error events recorded prior to the reboot. Assess whether the issue occurs with a specific screen or function.

Stabilize the power supply and ensure adequate current capacity. Optimize the HMI project to reduce CPU load, particularly on screens with many dynamic elements. If the problem persists, perform a factory reset and reload the project, or arrange for hardware inspection.

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