Siemens 6AV6643-0CB01-1AX2 MP277

Name: Siemens 6AV6643-0CB01-1AX2 MP277
Brand: Siemens
SKU: 6AV6643-0CB01-1AX2
Availability: InStock

Price range: € 1.141,00 through € 2.450,00

Condition

Clear

SKU: 6AV6643-0CB01-1AX2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens MP277 is a member of the SIMATIC Multi Panel series, designed for use as a human-machine interface in industrial automation environments. The 6AV6643-0CB01-1AX2 is a 10-inch touch-screen variant within the MP277 family, manufactured by Siemens and running the Windows CE operating system. It serves as a powerful operator panel capable of visualizing process data, managing alarms, and providing operator control for connected automation systems.

The MP277 (6AV6643-0CB01-1AX2) features a 10.4-inch TFT color display with a resolution of 640 x 480 pixels (VGA) and 256 colors, combined with a resistive touch screen for operator input. It is equipped with 6 MB of user memory for project data and supports a range of communication interfaces including MPI, PROFIBUS DP, and Ethernet (via optional expansion). The panel operates on a 24 V DC supply and is rated to IP65 at the front face, making it suitable for panel-door mounting in industrial enclosures. It supports WinCC flexible as its configuration software, enabling integration with Siemens S7-200, S7-300, and S7-400 PLCs.

The MP277 is widely deployed in manufacturing, process automation, and machine building applications where a robust and versatile HMI is required. It is commonly found in packaging machinery, conveyor systems, press lines, and water treatment facilities. Its compatibility with the SIMATIC controller family and support for multiple communication protocols makes it a practical choice for both new installations and system upgrades in demanding industrial environments.

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. 25 W
User Memory	6 MB
Operating System	Windows CE 5.0
Communication Interface	MPI, PROFIBUS DP (RS 485), 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

Common Error Codes & System Events

Event ID: 10000: Configuration error detected during project download or startup. The project data may be incompatible with the panel firmware version.
Verify that the WinCC flexible project version matches the panel firmware. Re-download the project after ensuring compatibility.
Event ID: 10001: Communication connection to the PLC has been lost or cannot be established.
Check MPI or PROFIBUS DP cable connections and termination resistors. Verify the PLC address and baud rate settings match the HMI project configuration.
Event ID: 20000: System memory is critically low, which may cause instability or failure to load project elements.
Reduce the project size, remove unused images or scripts, and restart the panel. Consider archiving data to an external memory card.
Event ID: 40000: Internal flash memory write error. Data could not be saved to the panel's internal storage.
Perform a panel reset and attempt the operation again. If the error persists, the internal flash memory may require replacement or the panel may need servicing.
Event ID: 50000: Tag or variable address in the project references an invalid or inaccessible PLC memory area.
Review the tag configuration in WinCC flexible and confirm that all referenced PLC addresses exist and are accessible within the configured controller.
Event ID: 60000: License for an optional software function is missing or has expired.
Check the installed licenses on the panel via the Control Panel. Transfer or activate the required license using the Siemens Automation License Manager.
Communication Error: No data exchange occurring between the HMI panel and the connected SIMATIC PLC despite physical connection being present.
Verify MPI/PROFIBUS address settings, check cable integrity, confirm PLC is in RUN mode, and ensure baud rate settings are consistent across all network nodes.
Backup/Restore Error: Panel backup or restore operation failed, typically due to insufficient storage space or a corrupted backup file.
Ensure the target storage medium (USB or memory card) has sufficient free space and is not write-protected. Use a freshly formatted storage device and retry the operation.

Frequently Asked Questions

What configuration software is required for the MP277 6AV6643-0CB01-1AX2?

The MP277 is configured using Siemens WinCC flexible 2008 or later. Projects are created on a PC and downloaded to the panel via MPI, PROFIBUS DP, or USB connection.

Which Siemens PLCs are compatible with the MP277?

The MP277 is compatible with the SIMATIC S7-200, S7-300, and S7-400 controller families, as well as SIMATIC S5 systems via appropriate drivers. It can also communicate with third-party controllers using standard protocols.

What communication interfaces are available on the 6AV6643-0CB01-1AX2?

The panel provides an MPI/PROFIBUS DP interface (RS 485) and USB ports for project transfer and peripheral devices. Ethernet connectivity is not built in on this variant but can be added via compatible network adapters.

What is the front panel protection rating of the MP277?

The front face of the MP277 is rated to IP65, making it resistant to dust ingress and low-pressure water jets, suitable for panel-door mounting in industrial enclosures.

Can the MP277 be used to display and log alarm messages?

Yes, the MP277 supports alarm logging, alarm views, and alarm archiving within WinCC flexible projects. Alarm data can be stored on internal memory or an external memory card.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel's power connector. Check that the supply is within the specified tolerance and that the connector is fully seated.

Restore the supply voltage to within the 24 V DC nominal range. If the supply is correct and the display remains blank, inspect the internal backlight inverter or replace the panel if the backlight has failed.

Touch screen does not respond or responds inaccurately to input

Check whether the touch screen is physically damaged or contaminated. Attempt to recalibrate the touch screen via the panel's Control Panel settings in the Start Center.

Clean the touch screen surface with a soft, dry cloth. Recalibrate using the touch calibration utility in the Windows CE Control Panel. If inaccuracy persists after calibration, the resistive touch overlay may need replacement.

Panel fails to establish communication with the PLC

Verify MPI or PROFIBUS DP cable connections, check that the bus termination resistors are correctly placed at both ends of the network, and confirm that the panel and PLC addresses do not conflict.

Correct any address conflicts, ensure baud rates match across all devices on the network, replace damaged cables, and confirm the PLC is powered and in RUN or STOP mode as expected by the HMI project.

Project download from PC fails or times out

Check the USB or MPI cable connection between the PC and the panel. Verify that the correct communication channel is selected in WinCC flexible Transfer settings and that the panel is in Transfer mode.

Switch the panel to Transfer mode via the Start Center, confirm the correct COM port or USB device is selected in WinCC flexible, and retry the download. Replace the transfer cable if the connection is intermittent.

Panel repeatedly restarts or crashes during operation

Check for low supply voltage, excessive ambient temperature, or a corrupted project file. Review the panel's event log in the Start Center for recorded system events prior to the restart.

Ensure the power supply is stable and within specification. Verify the ambient temperature is within the 0 to 50 degrees C operating range. Re-download a verified project file and update the panel firmware to the latest compatible version if necessary.

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