Siemens 6AV6645-7AB10-1AS0 SIMATIC MP 277

Name: Siemens 6AV6645-7AB10-1AS0 SIMATIC MP 277
Brand: Siemens
SKU: 6AV6645-7AB10-1AS0
Price: 1431.00 EUR
Availability: InStock

€ 1.431,00

Condition

Clear

SKU: 6AV6645-7AB10-1AS0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6645-7AB10-1AS0 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 MP 277 series, which offers a wide-format display and robust industrial construction suitable for integration into control cabinets and machine fronts. It serves as a high-performance operator panel for process visualization, data acquisition, and machine control interfacing.

The MP 277 features a 10.4-inch TFT color display with a resolution of 640 x 480 pixels (VGA) and supports both touch and key operation, making it a versatile input device for complex HMI applications. It is equipped with MPI, PROFIBUS DP, and Ethernet (PROFINET) communication interfaces, enabling seamless integration with Siemens S7-300, S7-400, and other compatible controllers. The panel runs on Windows CE and supports WinCC flexible as its configuration software, with onboard flash memory and options for external memory expansion via USB and CF card slots.

The SIMATIC MP 277 is widely deployed in manufacturing automation, machine tool control, packaging machinery, and process plant environments where reliable operator interaction is required. Its combination of touch and function key input, along with broad communication compatibility, makes it suitable for applications requiring both graphical visualization and direct key-based control. The panel is commonly found in automotive, food and beverage, chemical, and general industrial manufacturing sectors.

Technical Specifications

Display Size	10.4 inch
Display Type	TFT color LCD
Display Resolution	640 x 480 pixels (VGA)
Display Colors	256 colors
Touch Technology	Resistive touch screen with function keys
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 18 W
Communication Interface	MPI, PROFIBUS DP, Ethernet (PROFINET), USB
Memory	12 MB user memory (Flash)
External Memory	CF card slot, USB port
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
Operating System	Windows CE
Configuration Software	WinCC flexible 2008
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 10000: Communication error between HMI panel and PLC controller. The configured connection to the controller cannot be established or has been lost.
Check MPI/PROFIBUS/Ethernet cable connections and termination resistors. Verify PLC is powered and running. Confirm communication parameters (address, baud rate) match in WinCC flexible project.
Event ID: 10001: Connection to PLC timed out. The HMI did not receive a response from the controller within the configured timeout period.
Check network cabling and connectors. Verify PLC program is running and not in STOP mode. Increase timeout value in WinCC flexible connection settings if network latency is high.
Event ID: 20000: Tag read error. The HMI panel was unable to read a configured tag or variable from the controller.
Verify the tag address exists in the PLC program. Check that the data block or memory area referenced in WinCC flexible matches the PLC configuration. Ensure PLC is in RUN mode.
Event ID: 40000: Project download error. Transfer of the WinCC flexible project to the HMI panel failed or was interrupted.
Check USB or Ethernet transfer cable. Ensure the panel is in Transfer mode. Verify sufficient free memory on the panel. Retry the download from WinCC flexible.
Event ID: 50000: System memory low. Available working memory on the HMI panel is critically low, which may cause instability or slow performance.
Reduce the number of active screens or logged variables. Archive and clear alarm and data logs. Consider optimizing the WinCC flexible project to reduce memory usage.
Event ID: 60000: Backup battery low or missing. The internal backup battery for retaining real-time clock data is discharged or not present.
Replace the internal backup battery with the correct type as specified in the device manual. Ensure the panel is powered off before replacing the battery.
Event ID: 70000: Screen saver or backlight fault. The display backlight has failed or the screen saver has activated unexpectedly.
Check backlight operating hours and replace the backlight or display unit if hours exceed rated lifetime. Verify screen saver settings in the WinCC flexible project configuration.
Event ID: 80000: CF card or external memory access error. The panel cannot read from or write to the inserted CF card or USB memory device.
Remove and reinsert the CF card or USB device. Verify the memory device is formatted correctly (FAT32). Replace the CF card or USB device if the error persists.

Frequently Asked Questions

What communication interfaces are available on the 6AV6645-7AB10-1AS0?

The MP 277 10-inch panel provides MPI, PROFIBUS DP, and Ethernet (PROFINET) interfaces, as well as USB ports for data transfer and peripheral connection. This allows integration with a wide range of Siemens S7 controllers and third-party devices.

Which configuration software is required for the SIMATIC MP 277?

The MP 277 is configured using Siemens WinCC flexible 2008 or later versions. The project is created on a PC and transferred to the panel via USB, Ethernet, or MPI/PROFIBUS connection.

Is the MP 277 compatible with Siemens S7-300 and S7-400 PLCs?

Yes, the MP 277 supports direct communication with Siemens S7-300 and S7-400 PLCs via MPI or PROFIBUS DP, and with S7-300/400 and S7-1200/1500 via Ethernet/PROFINET depending on the project configuration.

What is the supply voltage for the 6AV6645-7AB10-1AS0?

The panel operates on 24 V DC supply voltage. Ensure the power supply is within the specified tolerance range as detailed in the device operating manual.

Can the MP 277 panel be used for data logging and alarm management?

Yes, the MP 277 supports data logging, trend display, and alarm management functions within WinCC flexible. Logs can be stored on the internal flash memory, CF card, or USB storage device.

Troubleshooting

Display remains blank after power on

Measure 24 V DC at the power supply connector on the rear of the panel. Check that the supply voltage is within tolerance. Inspect the internal fuse if accessible.

Restore correct 24 V DC supply. If supply voltage is correct but 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.

Touch screen does not respond or is inaccurate

Attempt to recalibrate the touch screen via the Windows CE control panel or the panel's startup menu. Check for physical damage or contamination on the screen surface.

Perform a touch screen recalibration from the SIMATIC HMI startup dialog. Clean the screen surface with a soft cloth. If calibration fails repeatedly, the touch panel overlay may need replacement.

HMI cannot establish communication with PLC

Verify cable connections on MPI, PROFIBUS, or Ethernet ports. Check that the bus address and baud rate configured in WinCC flexible match the PLC settings. Use a bus diagnostic tool to check network integrity.

Correct any wiring faults and ensure proper termination on PROFIBUS segments. Align communication parameters between the HMI project and PLC configuration. Restart both the HMI panel and PLC after making changes.

Project transfer from PC to panel fails

Confirm the panel is set to Transfer mode via the startup dialog. Check the USB or Ethernet cable connection between PC and panel. Verify that the WinCC flexible project is compiled without errors.

Switch the panel to Transfer mode manually if it does not enter automatically. Replace the transfer cable if faulty. Ensure the PC firewall is not blocking the transfer and that the correct network interface is selected in WinCC flexible.

Panel reboots unexpectedly or freezes during operation

Check the 24 V DC supply for voltage dips or instability using a multimeter or oscilloscope. Review the WinCC flexible project for excessive script load or memory-intensive operations. Check operating temperature around the panel.

Stabilize the power supply and ensure it is adequately rated for the panel's power consumption. Optimize the WinCC flexible project by reducing script complexity and logging frequency. Ensure adequate ventilation around the panel to prevent thermal shutdown.

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