Siemens 6AV6643-0ED01-2AX0 MP 277

Name: Siemens 6AV6643-0ED01-2AX0 MP 277
Brand: Siemens
SKU: 6AV6643-0ED01-2AX0
Availability: InStock

Price range: € 1.710,00 through € 3.038,00

Condition

Clear

SKU: 6AV6643-0ED01-2AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6643-0ED01-2AX0 is a Multi Panel (MP 277) belonging to the SIMATIC HMI family, designed for machine-level visualization and operator control in industrial automation environments. This panel features a 10.4-inch TFT display and operates as a high-performance HMI device within the SIMATIC HMI MP 277 series. It is manufactured by Siemens and is intended for panel mounting in control cabinets and machine enclosures.

The MP 277 (6AV6643-0ED01-2AX0) is equipped with a 10.4-inch TFT color display with a resolution of 640 x 480 pixels (VGA) and 256 colors, featuring touch screen input technology. It supports communication via PROFIBUS DP and MPI interfaces, enabling direct connection to SIMATIC S7 PLCs and other compatible controllers. The panel runs on WinCC flexible runtime software, offers 12 MB of user memory for project data, and operates on a 24 V DC supply voltage. It also provides USB ports and a CF card slot for data storage and project transfer.

The SIMATIC MP 277 is widely used in manufacturing, automotive, food and beverage, and process industries where reliable machine-level HMI functionality is required. Its robust construction and compatibility with the SIMATIC controller family make it suitable for integration into existing Siemens automation architectures. The panel is particularly well-suited for applications requiring a mid-size display with touch operation and multi-protocol communication capabilities.

Technical Specifications

Display Size	10.4 inch
Display Type	TFT color
Display Resolution	640 x 480 pixels (VGA)
Display Colors	256 colors
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 18 W
Communication Interface	PROFIBUS DP, MPI, USB, CF card slot
User Memory	12 MB
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. The configured connection to the controller cannot be established or has been interrupted.
Check PROFIBUS/MPI cable connections and termination resistors. Verify the PLC address settings match the HMI project configuration. Ensure the PLC is in RUN mode.
Event ID: 10001: Connection to the PLC was interrupted during runtime. The HMI panel lost communication with the configured controller.
Inspect physical cabling for damage or loose connectors. Check bus termination and cable shielding. Restart the HMI and PLC if the connection does not recover automatically.
Event ID: 20000: Tag read error. The HMI panel is unable to read the value of a configured tag from the PLC.
Verify that the tag address in the HMI project matches the actual PLC data block or memory address. Check that the PLC program is running and the data area is accessible.
Event ID: 20001: Tag write error. The HMI panel is unable to write a value to the configured PLC tag.
Confirm the PLC memory area is not write-protected. Check that the tag address is correctly configured in WinCC flexible and that the PLC is in a state that allows write access.
Event ID: 40000: Project loading error. The runtime project could not be loaded from the internal memory or CF card.
Transfer the project again using WinCC flexible via USB or CF card. Check the CF card for errors or replace it if corrupted. Ensure the project was compiled without errors before transfer.
Event ID: 50000: System memory low. The available runtime memory on the HMI panel is insufficient to execute the current project.
Reduce the project size by optimizing graphics, scripts, or alarm configurations. Restart the panel to free memory. If the problem persists, consider upgrading to a panel with greater memory capacity.
Event ID: 70000: Alarm buffer overflow. The number of pending alarms has exceeded the capacity of the alarm buffer.
Acknowledge and clear pending alarms in the alarm view. Review the alarm configuration to reduce unnecessary alarm triggers. Increase the alarm buffer size in the WinCC flexible project settings if possible.

Frequently Asked Questions

What communication interfaces does the 6AV6643-0ED01-2AX0 support?

The MP 277 (6AV6643-0ED01-2AX0) supports PROFIBUS DP and MPI communication interfaces for PLC connectivity, along with USB ports and a CompactFlash (CF) card slot for project transfer and data storage.

Which PLCs are compatible with the SIMATIC MP 277?

The MP 277 is primarily designed for use with Siemens SIMATIC S7-300 and S7-400 PLCs via MPI or PROFIBUS DP. It can also communicate with S7-200 PLCs and third-party controllers supported by WinCC flexible drivers.

What software is used to program and configure the MP 277?

The MP 277 is configured using Siemens WinCC flexible software. Projects are compiled in WinCC flexible and transferred to the panel via USB cable or CompactFlash card.

What is the supply voltage for the 6AV6643-0ED01-2AX0?

The panel operates on a 24 V DC supply voltage. Ensure the power supply is within the specified tolerance range as defined in the SIMATIC MP 277 operating instructions.

What is the front panel protection rating of the MP 277?

The front panel of the MP 277 has an IP65 protection rating, making it suitable for installation in environments where dust and water jets may be present. The rear of the panel is rated IP20.

Troubleshooting

Display remains blank after power on

Check that 24 V DC is present at the power supply terminals of the panel. Measure voltage at the connector and inspect the supply cable for damage. Verify the power supply unit is functioning correctly.

Restore the 24 V DC supply if absent. If voltage is present but the display remains off, perform a hard reset by cycling power. If the display backlight has failed, the panel may require backlight or display unit replacement.

Touch screen does not respond or responds inaccurately

Attempt to operate the touch screen across different areas of the display to determine if the issue is localized or affects the entire screen. Check for physical damage, scratches, or contamination on the touch surface.

Clean the touch screen surface with a soft, dry cloth. Perform a touch screen calibration via the panel's Start Center or Control Panel settings. If calibration does not resolve the issue, the touch screen overlay may need replacement.

HMI cannot establish communication with the PLC

Verify the PROFIBUS or MPI cable is correctly connected and that bus termination is applied at both ends of the network. Check the station address configured in the HMI project matches the PLC address. Confirm the PLC is powered and in RUN mode.

Correct any address mismatches in the WinCC flexible project and retransfer the project to the panel. Replace or reseat the communication cable. If using PROFIBUS, verify the baud rate settings are consistent across all network nodes.

Project transfer fails via USB or CF card

Check that the USB cable or CF card is properly connected and recognized by the panel. Verify the project was compiled without errors in WinCC flexible. Confirm the panel is in Transfer mode before initiating the download.

Switch the panel to Transfer mode via the Start Center. Use a known-good USB cable or replace the CF card. Recompile the project in WinCC flexible and retry the transfer. Ensure the WinCC flexible version is compatible with the panel's firmware version.

Panel repeatedly restarts or freezes during runtime

Check for power supply instability by measuring the 24 V DC supply under load. Review the project for memory-intensive scripts or large graphic objects that may cause runtime overload. Check the CF card for errors if the project is loaded from it.

Stabilize the power supply and ensure it meets the panel's current requirements. Optimize the WinCC flexible project to reduce memory and CPU load. Replace the CF card if it is found to be faulty. Update the panel firmware to the latest version if instability persists.

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