Siemens 6AV6645-0EC02-0AX1 SIMATIC MP 277

Name: Siemens 6AV6645-0EC02-0AX1 SIMATIC MP 277
Brand: Siemens
SKU: 6AV6645-0EC02-0AX1
Price: 2120.00 EUR
Availability: InStock

€ 2.120,00

Condition

Clear

SKU: 6AV6645-0EC02-0AX1 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6645-0EC02-0AX1 is a Multi Panel (MP 277) belonging to the SIMATIC HMI family, designed for demanding machine-level visualization and operator control tasks. This panel features a 10.4-inch TFT color 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.

The MP 277 10" Touch (6AV6645-0EC02-0AX1) is equipped with a resistive touchscreen interface and a 10.4-inch display with a resolution of 640 x 480 pixels (VGA) supporting 256 colors. It provides a range of communication interfaces including PROFIBUS DP and MPI, as well as Ethernet (RJ45) for integration into modern network architectures. The panel includes 12 MB of user memory for project data and supports USB ports for peripherals and data transfer. It operates on a 24 V DC supply and is rated IP65 on the front face for protection against dust and water ingress.

The SIMATIC MP 277 is commonly used in machine building, automotive manufacturing, food and beverage processing, and general factory automation where a robust and versatile operator panel is required. Its compatibility with Siemens SIMATIC S7 PLCs and support for WinCC flexible runtime software make it a practical choice for system integrators working within the Siemens automation ecosystem. The panel's industrial-grade construction and wide operating temperature range make it suitable for installation in control cabinets and harsh production 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 touchscreen
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 18 W
User Memory	12 MB
Communication Interface	PROFIBUS DP/MPI, Ethernet (RJ45), USB
Operating System	Windows CE 5.0
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: Connection to PLC lost or communication timeout on configured connection.
Check network cables and PROFIBUS/MPI/Ethernet connections. Verify PLC is powered and running. Check communication parameters in WinCC flexible project.
Event ID: 10001: Connection to PLC established after a previous loss of communication.
Informational event. No action required. Monitor for recurring connection drops which may indicate network instability.
Event ID: 20000: Tag read error — the HMI panel 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 and accessible.
Event ID: 40000: Alarm overflow — the alarm buffer is full and older alarms may have been overwritten.
Acknowledge and clear pending alarms. Review alarm configuration to reduce alarm frequency or increase buffer size in WinCC flexible project settings.
Event ID: 70010: Project download failed or project data is corrupted on the panel.
Re-transfer the project from the engineering PC using WinCC flexible. Ensure the project version is compatible with the panel firmware version.
Event ID: 110000: Internal panel error — system software or firmware fault detected.
Perform a panel restart. If the fault persists, update the panel firmware to the latest compatible version or perform a factory reset via the panel's Start Center.
Event ID: 50000: Recipe data error — recipe record cannot be read or written correctly.
Check recipe configuration in WinCC flexible. Verify that the recipe memory is not full and that tag assignments are correct.

Frequently Asked Questions

What communication interfaces are available on the 6AV6645-0EC02-0AX1?

The MP 277 10" Touch provides PROFIBUS DP/MPI, Ethernet (RJ45), and USB interfaces. These allow connection to Siemens S7 PLCs and integration into standard industrial networks.

Which engineering software is required to configure this panel?

The 6AV6645-0EC02-0AX1 is configured using Siemens WinCC flexible 2008 or later. Projects are downloaded to the panel via Ethernet or USB connection.

Is this panel compatible with Siemens S7-300 and S7-400 PLCs?

Yes, the MP 277 supports direct communication with SIMATIC S7-300 and S7-400 PLCs via MPI or PROFIBUS DP, as well as Ethernet-based connections using S7 protocol.

What is the front panel protection rating of the 6AV6645-0EC02-0AX1?

The front face of the MP 277 is rated IP65, providing full protection against dust ingress and protection against low-pressure water jets. The rear of the panel is rated IP20.

Can the panel memory be expanded on this model?

The 6AV6645-0EC02-0AX1 supports external storage via USB, allowing project data, recipes, and logs to be stored on USB flash drives. Internal user memory is 12 MB.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel power connector. Check that the supply is within the specified tolerance. Inspect the panel for any visible damage to the power input terminals.

Ensure the 24 V DC supply is stable and within range. If the supply is correct and the display remains blank, the internal power supply board or backlight inverter may be faulty and the panel may require repair or replacement.

Touchscreen does not respond or registers incorrect touch positions

Check whether the touchscreen responds at all. If touches are registered but in wrong positions, the touchscreen may require recalibration. Access the calibration tool via the panel's Start Center (Control Panel > Touch).

Recalibrate the touchscreen using the built-in calibration utility in the Windows CE Control Panel. If the touchscreen remains unresponsive after calibration, the resistive touch overlay may be damaged and require replacement.

Panel cannot establish communication with the PLC

Verify the communication cable connections on both the panel and PLC sides. Check that the configured IP address, MPI address, or PROFIBUS address in the WinCC flexible project matches the actual PLC settings.

Correct any address mismatches in the WinCC flexible project and re-download. Replace cables if damaged. Ensure the PLC is in RUN mode and that the correct communication driver is selected in the project.

Panel repeatedly restarts or crashes during operation

Check the 24 V DC supply for voltage fluctuations or ripple. Review the panel's event log via the Start Center for any recorded system faults. Verify that the WinCC flexible project is not corrupted.

Stabilize the power supply and ensure adequate current capacity. Re-download the project to the panel. If the issue persists, update the panel firmware or perform a factory reset via the Start Center and re-commission the panel.

Project download from engineering PC fails

Check the Ethernet or USB connection between the PC and the panel. Verify that the panel is in transfer mode (accessible via Start Center > Transfer). Confirm that the WinCC flexible version matches the panel firmware version.

Switch the panel to transfer mode manually via the Start Center. Use a direct Ethernet connection rather than a network switch if possible. If version mismatch is detected, update the panel firmware using ProSave before re-downloading the project.

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