Siemens 6AV6643-0CB01-1AX0 MP277

Name: Siemens 6AV6643-0CB01-1AX0 MP277
Brand: Siemens
SKU: 6AV6643-0CB01-1AX0
Availability: InStock

Price range: € 889,00 through € 1.905,88

Condition

Clear

SKU: 6AV6643-0CB01-1AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6643-0CB01-1AX0 is a Multi Panel (MP277) belonging to the SIMATIC HMI family, designed for machine-level visualization and operator control in industrial automation environments. This panel features an 8-inch widescreen TFT display and runs on the Windows CE operating system, making it a mid-range HMI solution for demanding process visualization tasks. It is part of Siemens' established MP277 series, which bridges the gap between entry-level panels and full PC-based systems.

The 6AV6643-0CB01-1AX0 variant features a resistive touchscreen interface combined with function keys for flexible operator input. It supports multiple communication interfaces including PROFIBUS DP and Ethernet (PROFINET), enabling integration into a wide range of automation architectures. The panel is equipped with 10 MB user memory for project data and supports MPI/PROFIBUS as well as TCP/IP protocols. It operates on a 24 V DC supply and is rated IP65 on the front face, providing protection against dust and water ingress in industrial environments.

The MP277 8-inch Touch is widely deployed in machine building, automotive manufacturing, food and beverage processing, and general factory automation. Its combination of touchscreen operation, robust communication options, and compatibility with Siemens SIMATIC S7 PLCs makes it suitable for applications requiring reliable local HMI functionality. The panel is configured using Siemens WinCC flexible engineering software, which is standard across the SIMATIC HMI product range.

Technical Specifications

Display Size	8 inch
Display Type	TFT widescreen
Display Resolution	800 x 480 pixels
Display Colors	65,536 colors
Touch Technology	Resistive touchscreen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 18 W
User Memory	10 MB
Communication Interface	PROFIBUS DP, MPI, Ethernet (PROFINET/TCP/IP)
Operating System	Windows CE 6.0
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: Communication error between the HMI panel and the connected PLC. The configured connection cannot be established.
Check PROFIBUS/MPI address settings and cable connections. Verify PLC is powered and running. Confirm baud rate settings match on both devices.
Event ID: 10001: Connection to the PLC was interrupted during operation.
Inspect communication cables for damage or loose connections. Check PLC status. Restart the HMI panel and re-establish the connection.
Event ID: 20000: Tag read error. The HMI cannot read the value of a configured tag from the PLC.
Verify the tag address exists in the PLC program. Check that the data block or memory area referenced is correctly configured in WinCC flexible.
Event ID: 40000: Project download error. A project transfer from the engineering PC to the HMI panel failed.
Check the transfer cable or network connection. Ensure the panel is in transfer mode. Verify sufficient free memory on the panel for the project.
Event ID: 70010: Internal system error on the HMI panel. A runtime component has encountered a fault.
Restart the HMI panel. If the error persists, reload the project via WinCC flexible. Consider a factory reset if the issue continues.
Event ID: 50000: Alarm buffer overflow. The number of pending alarms exceeds the buffer capacity.
Acknowledge and clear existing alarms. Review the alarm configuration in WinCC flexible to reduce simultaneous alarm occurrences or increase buffer size.
Event ID: 60000: Scripting or VB script runtime error within the HMI project.
Review the VB scripts in the WinCC flexible project for errors. Check for division by zero or invalid variable references. Correct and re-download the project.

Frequently Asked Questions

What engineering software is used to configure the MP277 6AV6643-0CB01-1AX0?

This panel is configured using Siemens WinCC flexible 2008 or later. It is not compatible with the newer TIA Portal WinCC Advanced software.

What communication protocols does the 6AV6643-0CB01-1AX0 support?

The panel supports MPI, PROFIBUS DP, and Ethernet-based communication including PROFINET and TCP/IP, allowing connection to SIMATIC S7-200, S7-300, and S7-400 PLCs.

What is the display resolution of this MP277 panel?

The display resolution is 800 x 480 pixels on an 8-inch widescreen TFT display with 65,536 colors.

Is the MP277 8-inch Touch panel compatible with SIMATIC S7-1200 or S7-1500 PLCs?

The MP277 can communicate with S7-1200 and S7-1500 PLCs via Ethernet/PROFINET, though full compatibility depends on the WinCC flexible project configuration and firmware version of the panel.

What is the front panel protection rating of the 6AV6643-0CB01-1AX0?

The front face of the panel is rated IP65, providing full protection against dust and protection against low-pressure water jets.

Troubleshooting

Display remains blank after power on

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

Ensure the 24 V DC supply is stable and correctly connected. If the backlight has failed, the panel may require backlight or display replacement. Verify the power supply unit is rated for the panel's current draw.

Touchscreen does not respond or responds inaccurately

Check whether the touch input is consistently offset or completely unresponsive. Determine if the issue is mechanical (damaged screen) or calibration-related.

Perform a touchscreen recalibration via the panel's Control Panel settings in Windows CE. If the screen is physically damaged or unresponsive after calibration, the touchscreen assembly requires replacement.

HMI cannot establish communication with the PLC

Verify the communication settings (MPI address, PROFIBUS address, or IP address) on both the HMI and PLC. Check cable integrity and connector seating.

Correct any mismatched address or baud rate settings in WinCC flexible and re-download the project. Replace the communication cable if damaged. Ensure the PLC is in RUN mode.

Project transfer from PC to panel fails

Check that the panel is set to Transfer mode. Verify the PC-to-panel connection (USB, Ethernet, or serial). Confirm available memory on the panel is sufficient for the project size.

Switch the panel to Transfer mode via the Start Center. Use the correct transfer cable and interface settings in WinCC flexible. Delete unused projects from the panel memory if storage is insufficient.

Panel repeatedly restarts or crashes during operation

Check for overheating by verifying ambient temperature and ventilation around the panel. Review the project for script errors or excessive tag polling rates.

Ensure the installation environment does not exceed 50 °C. Reduce script complexity or polling frequency in the WinCC flexible project. If the issue persists, perform a firmware update or factory reset and reload the project.

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