Siemens 6AV6645-0EF01-0AX1 SIMATIC MP 377

Name: Siemens 6AV6645-0EF01-0AX1 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6645-0EF01-0AX1
Price: 1807.00 EUR
Availability: InStock

€ 1.807,00

Condition

Clear

SKU: 6AV6645-0EF01-0AX1 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6645-0EF01-0AX1 is a Multi Panel from the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product line. This unit features a 15-inch TFT display and is designed for demanding visualization and operator control tasks in industrial environments. It belongs to the high-performance panel segment, offering robust processing power and a wide range of communication options.

The MP 377 15" Touch (6AV6645-0EF01-0AX1) is equipped with a resistive touchscreen interface and delivers a display resolution of 1024 x 768 pixels (XGA) with 64,000 colors. It runs on Microsoft Windows CE 6.0 and is powered by a 400 MHz processor with 64 MB RAM and 64 MB flash memory for user data storage. Communication interfaces include PROFIBUS DP, PROFINET/Ethernet (RJ45), USB ports, and a serial MPI/DP interface, enabling integration with a broad range of Siemens and third-party control systems. The panel operates on a 24 V DC supply and carries CE and UL certifications.

The SIMATIC MP 377 is widely deployed in machine building, automotive manufacturing, process industries, and water/wastewater treatment plants where a large, high-resolution display with multi-protocol connectivity is required. Its compatibility with SIMATIC WinCC flexible and TIA Portal (via WinCC) engineering software makes it suitable for complex visualization projects requiring trend displays, alarm management, and recipe handling. The panel's robust industrial housing and wide operating temperature range make it appropriate for installation in control cabinets and harsh production environments.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 px (XGA)
Display Colors	64,000 colors
Display Type	TFT LCD
Touch Technology	Resistive touchscreen
Input/Operating Voltage	24 V DC
Processor	400 MHz
RAM	64 MB
Flash Memory	64 MB
Operating System	Windows CE 6.0
Communication Interface	PROFIBUS DP, PROFINET/Ethernet (RJ45), MPI, USB
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
IP Rating (Front)	IP65
Certifications	CE, UL
Mounting	Panel mounting

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/PROFINET cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Confirm the PLC is in RUN mode.
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 or fieldbus wiring. Verify correct station address and baud rate settings on both HMI and PLC. Reduce network load if necessary.
Event ID: 20000: Tag read error. The HMI panel was unable to read a configured tag from the PLC.
Verify the tag address exists in the PLC program and the data block is not write-protected. Check that the correct data type is configured in the HMI project.
Event ID: 40000: Project download error. A project transfer from the engineering PC to the HMI panel failed.
Ensure the transfer cable or network connection is intact. Verify the HMI is in Transfer mode. Check that the WinCC flexible or TIA Portal project is compiled without errors before transfer.
Event ID: 70010: Internal system error on the HMI panel. An unexpected software exception has occurred.
Perform a warm restart of the panel. If the error persists, perform a factory reset and re-download the project. Check for firmware compatibility with the project version.
Event ID: 50000: Alarm buffer overflow. The number of pending alarms has exceeded the configured alarm buffer capacity.
Acknowledge and clear existing alarms. Increase the alarm buffer size in the HMI project configuration if this occurs frequently.
Event ID: 60000: Recipe data error. A recipe read or write operation could not be completed successfully.
Check that the recipe data record exists and is not corrupted. Verify available flash memory on the panel. Re-download the project if recipe configuration has changed.

Frequently Asked Questions

What communication protocols does the 6AV6645-0EF01-0AX1 support?

The SIMATIC MP 377 15" supports PROFIBUS DP, MPI, and PROFINET/Ethernet communication interfaces, as well as USB ports for data transfer and peripheral connection.

Which engineering software is used to configure this HMI panel?

The MP 377 is configured using Siemens SIMATIC WinCC flexible 2008 or later. It can also be integrated into TIA Portal projects using WinCC for certain configurations.

What is the supply voltage for the 6AV6645-0EF01-0AX1?

The panel operates on a 24 V DC supply voltage.

Is the 6AV6645-0EF01-0AX1 compatible with SIMATIC S7-300 and S7-400 PLCs?

Yes, the MP 377 supports MPI and PROFIBUS DP interfaces, making it directly compatible with SIMATIC S7-300 and S7-400 controllers. PROFINET connectivity also allows integration with S7-300/400 PN variants and S7-1500 PLCs.

What is the front panel protection rating of this unit?

The front panel of the 6AV6645-0EF01-0AX1 is rated IP65, providing protection against dust ingress and low-pressure water jets, suitable for panel-mounted industrial installations.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the power connector on the rear of the panel. Check for correct polarity. Inspect the internal fuse if accessible.

Ensure the supply voltage is within the specified 24 V DC range (typically 19.2–28.8 V DC). Replace the power supply or fuse if faulty. If voltage is correct and display remains blank, the backlight or internal power board may require replacement.

HMI panel fails to establish connection with the PLC

Check the communication cable between the HMI and PLC for damage or loose connectors. Verify that the station address and baud rate configured in the HMI project match the PLC settings.

Replace or reseat the PROFIBUS or Ethernet cable. Correct any address or baud rate mismatches in the WinCC flexible project and re-download. Ensure PROFIBUS bus termination is correctly applied at both ends of the network.

Touchscreen does not respond or responds inaccurately

Check whether the touch input is consistently offset or completely unresponsive. Determine if the issue appeared after a firmware update or physical impact.

Perform a touchscreen recalibration via the Windows CE Control Panel or the SIMATIC HMI service menu. If recalibration does not resolve the issue, the resistive touch foil may be damaged and requires replacement.

Project transfer from PC to HMI panel fails

Verify that the HMI is set to Transfer mode (via Start Center or Control Panel). Check the Ethernet or USB transfer cable connection between the engineering PC and the panel.

Restart the panel in Transfer mode and retry the download. Ensure the WinCC flexible project is compiled without errors. Confirm that the PC firewall or antivirus software is not blocking the transfer connection.

Panel reboots unexpectedly or freezes during operation

Check the supply voltage for fluctuations or drops below 19.2 V DC. Review the system event log on the panel for recorded fault events prior to the reboot.

Stabilize the power supply and ensure adequate current capacity. Update the panel firmware to the latest compatible version. If the issue persists, perform a factory reset and re-download the project to rule out software corruption.

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