Siemens 6AV6146-2MN45-2KY2 SIMATIC MP 377

Name: Siemens 6AV6146-2MN45-2KY2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-2MN45-2KY2
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6146-2MN45-2KY2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-2MN45-2KY2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for high-performance human-machine interface applications in industrial automation environments. This panel is part of the MP 377 series, which offers a 15-inch widescreen display and is built to operate reliably in demanding industrial conditions. It serves as a powerful operator panel for visualizing and controlling complex automation processes.

The MP 377 features a 15-inch TFT display with a resolution of 1024 x 768 pixels and 64,000 colors, providing clear and detailed process visualization. It supports both touch screen and key operation, offering flexible interaction options for operators. Communication interfaces include PROFIBUS DP, PROFINET/Ethernet, MPI, and USB ports, enabling seamless integration with Siemens S7 PLCs and other automation systems. The panel runs on Windows CE and is configured using Siemens WinCC flexible engineering software, supporting extensive scripting and project complexity.

The SIMATIC MP 377 is widely used in industries such as automotive manufacturing, food and beverage processing, chemical plants, and machine building. Its large display and robust communication capabilities make it suitable for complex SCADA-level visualization tasks at the machine or line level. The panel's compatibility with the broader SIMATIC ecosystem ensures straightforward integration into existing Siemens-based automation architectures.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 pixels
Display Colors	64,000 colors
Display Type	TFT
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 40 W
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)
Communication Interface	PROFIBUS DP, PROFINET/Ethernet, MPI, USB
Operating System	Windows CE 6.0
Engineering Software	WinCC flexible 2008 or higher
Mounting	Panel mounting
Certifications	CE, UL, cULus

Common Error Codes and System Events

Event ID: 040000: Configuration error: The project loaded on the panel contains configuration errors or is incompatible with the runtime version.
Recompile and re-transfer the WinCC flexible project. Ensure the engineering software version matches the panel firmware version.
Event ID: 070000: Communication error: Connection to the configured PLC or controller has been lost or cannot be established.
Check PROFIBUS/PROFINET/MPI cabling and termination resistors. Verify PLC address settings and communication parameters in the project configuration.
Event ID: 080000: Tag read/write error: A process tag could not be read from or written to the connected controller.
Verify the tag address configuration in WinCC flexible. Check that the PLC program contains the correct data blocks and addresses referenced by the HMI project.
Event ID: 100000: System memory low: Available runtime memory on the panel is critically low, which may cause instability or reduced performance.
Reduce the number of active screens, limit logging intervals, or simplify the project. Consider archiving historical data to an external storage device.
Event ID: 110000: Backup/restore error: A backup or restore operation failed, possibly due to insufficient storage space or a corrupted backup file.
Ensure the target storage medium (USB or memory card) has sufficient free space and is not write-protected. Retry the operation with a freshly formatted storage device.
Event ID: 120000: Firmware update error: The firmware update process was interrupted or the firmware file is incompatible with this panel variant.
Use the correct firmware version for the 6AV6146-2MN45-2KY2 variant. Re-initiate the update via ProSave or the panel's Start Center using a verified firmware package.
Event ID: 130000: Screen saver or display fault: The display backlight or screen saver function has encountered an error.
Check the backlight settings in the panel configuration. If the backlight has failed, the display unit may require replacement or professional repair.

Frequently Asked Questions

What is the supply voltage for the Siemens 6AV6146-2MN45-2KY2?

The panel operates on 24 V DC. Ensure the power supply is within the specified tolerance range to avoid damage or operational faults.

Which engineering software is used to configure the MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 or a compatible version. Projects are transferred to the panel via Ethernet, USB, or MPI/PROFIBUS connection.

What communication protocols does the MP 377 support?

The panel supports PROFIBUS DP, MPI, PROFINET/Ethernet, and USB. This allows integration with a wide range of Siemens S7-300, S7-400, and S7-1200/1500 PLCs.

Is the MP 377 compatible with TIA Portal?

The MP 377 is primarily engineered with WinCC flexible. Limited compatibility with TIA Portal may be available via migration tools, but native TIA Portal engineering is not fully supported for this panel generation.

What is the front panel protection rating of the 6AV6146-2MN45-2KY2?

The front of the panel is rated IP65, making it suitable for installation in environments where dust and water jets may be present.

Troubleshooting

Display remains blank after power on

Measure 24 V DC at the power supply connector on the rear of the panel. Check whether the Start Center or Windows CE desktop loads without display output, indicating a backlight failure rather than a system fault.

If supply voltage is correct and the system is running but the screen is dark, the backlight inverter or backlight lamp has likely failed and the display assembly requires replacement or professional repair.

Panel fails to communicate with the PLC

Check the physical connection on the PROFIBUS, MPI, or PROFINET port. Verify cable integrity, bus termination, and that the PLC address configured in the HMI project matches the actual PLC settings.

Replace faulty cables or connectors, correct the bus termination, and ensure the communication parameters in the WinCC flexible project are consistent with the PLC configuration. Reload the project after corrections.

Touch screen does not respond or responds inaccurately

Attempt to recalibrate the touch screen via the Windows CE control panel or the panel's Start Center. Check for physical damage, contamination, or delamination of the touch overlay.

Perform a touch screen recalibration. If the issue persists after calibration, the resistive touch overlay may be worn or damaged and will need to be replaced.

Project transfer fails via Ethernet

Verify the IP address of the panel in the Start Center and ensure it is on the same subnet as the engineering PC. Check firewall settings on the PC and confirm the transfer channel is set to Ethernet in WinCC flexible.

Assign a correct and unique IP address to the panel, disable any firewall blocking the transfer port, and retry the download. Use ProSave as an alternative transfer tool if WinCC flexible transfer continues to fail.

Panel repeatedly restarts or crashes during runtime

Check for low memory conditions, corrupted project files, or incompatible firmware. Review the system event log accessible via the Start Center for specific event IDs related to the crashes.

Re-transfer a freshly compiled project, update the panel firmware to the latest compatible version using ProSave, and ensure the project does not exceed the panel's memory and performance limits.

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