Siemens 6AV6146-3MM40-2KY2 MP 377

€ 2.495,00

SKU: 6AV6146-3MM40-2KY2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3MM40-2KY2 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 features a 15-inch widescreen TFT display and is engineered for demanding visualization and control tasks. It operates under the WinCC flexible runtime environment and is fully compatible with the SIMATIC automation ecosystem.

The MP 377 15" Touch 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 is equipped with a resistive touchscreen interface and offers multiple communication interfaces including PROFIBUS DP, PROFINET/Ethernet, USB, and MPI, enabling flexible integration into existing network architectures. The panel includes 12 MB user memory for project data, runs on Microsoft Windows CE, and supports high-speed data processing for complex HMI applications. It is powered by a 24 V DC supply and carries CE and UL certifications.

The MP 377 is widely deployed in manufacturing, process automation, energy management, and machine building industries where robust and reliable operator interface solutions are required. Its large display and multi-protocol communication capabilities make it suitable for controlling complex machinery, SCADA-level visualization, and integration with SIMATIC S7 PLC families. The panel is particularly common in automotive production lines, chemical processing plants, and packaging machinery where operators require detailed process overviews and fast response times.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 pixels (XGA)
Display Colors	64,000 colors
Display Type	TFT LCD
Touch Technology	Resistive touchscreen
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 40 W
User Memory	12 MB
Communication Interface	PROFIBUS DP, MPI, PROFINET, Ethernet (RJ45), USB
Operating System	Microsoft Windows CE
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
IP Rating (Front)	IP65
IP Rating (Rear)	IP20
Mounting	Panel mounting
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC HMI MP 377

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. Restart both the HMI panel and the PLC.
Event ID: 10001: Connection to PLC timed out. The HMI panel did not receive a response from the controller within the configured timeout period.
Check network cabling and connectors. Verify PLC is in RUN mode. Increase the timeout value in the HMI project communication settings if network latency is high.
Event ID: 40000: Tag read error. The HMI panel was unable to read the value of a configured tag from the PLC.
Verify the tag address exists in the PLC program and that the data block or memory area is accessible. Check for address conflicts in the HMI project.
Event ID: 40001: Tag write error. The HMI panel was unable to write a value to the configured PLC tag.
Ensure the PLC is not in a write-protected state. Verify the tag address and data type match between the HMI project and the PLC program.
Event ID: 20000: System memory low. Available runtime memory on the HMI panel is critically low, which may affect panel performance.
Close unnecessary applications or screens. Reduce the number of active alarms or logged data entries. Consider archiving or clearing the alarm buffer.
Event ID: 50000: Recipe data error. An error occurred during reading or writing of recipe data, possibly due to a corrupted recipe file or incompatible data structure.
Check the recipe configuration in WinCC flexible. Verify that the recipe data file on the memory card or internal storage is not corrupted. Re-transfer the project to the panel if necessary.
Event ID: 70000: Backup/restore error. An error occurred during a project backup or restore operation.
Verify the storage medium (USB or memory card) is properly inserted and has sufficient free space. Ensure the backup file is not corrupted and is compatible with the installed WinCC flexible runtime version.

Frequently Asked Questions

What PLC families is the MP 377 compatible with?

The MP 377 is compatible with SIMATIC S7-200, S7-300, S7-400, and S7-1200 PLC families via MPI, PROFIBUS DP, or PROFINET/Ethernet interfaces. It can also communicate with third-party controllers using standard protocols such as Modbus TCP or OPC.

What software is required to program the MP 377?

The MP 377 is programmed using Siemens WinCC flexible 2008 or later. Projects are created on a PC and transferred to the panel via Ethernet, USB, or a memory card.

What is the input voltage requirement for the 6AV6146-3MM40-2KY2?

The panel requires a 24 V DC power supply. It is recommended to use a regulated SELV power supply with sufficient current capacity, typically at least 2 A.

Does the MP 377 support data logging and alarm archiving?

Yes, the MP 377 supports data logging, trend displays, and alarm archiving. Data can be stored on the internal flash memory or on an external USB storage device or memory card.

Can the MP 377 be used in a PROFINET network?

Yes, the 6AV6146-3MM40-2KY2 is equipped with a PROFINET/Ethernet interface (RJ45) and can be integrated into PROFINET networks for communication with compatible SIMATIC controllers and other network devices.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the power connector. Verify that the supply is within the specified range and can deliver sufficient current. Inspect internal fuses if accessible.

Ensure the power supply is correctly connected and providing stable 24 V DC. If the backlight has failed, the panel may require backlight replacement or servicing. If no response at all, the internal power supply board may need to be replaced.

Touchscreen does not respond or responds inaccurately

Determine whether the issue is with the entire touch surface or specific zones. Check for physical damage, contamination, or moisture on the touch surface. Attempt a touchscreen recalibration from the panel's Start Center.

Clean the touch surface with a soft, dry cloth. Perform a touchscreen calibration via the Start Center settings menu. If calibration does not resolve the issue, the resistive touch foil may be damaged and require replacement.

HMI panel fails to establish communication with the PLC

Verify the communication cable connections at both the panel and PLC ends. Check that the bus address, baud rate, and protocol settings in the HMI project match the PLC configuration. Use a bus diagnostic tool to check for PROFIBUS signal integrity if applicable.

Correct any address or protocol mismatches in the WinCC flexible project and re-transfer to the panel. Replace faulty cables or connectors. Ensure PROFIBUS termination resistors are correctly placed at both ends of the bus segment.

Panel repeatedly reboots or crashes during operation

Check the operating temperature around the panel and ensure adequate ventilation. Review the alarm and event logs for recurring system errors. Verify that the project file is not corrupted by re-transferring from the engineering PC.

Ensure the installation environment does not exceed the maximum operating temperature of 50 °C. Re-transfer a verified project to the panel. If the issue persists, the panel may have a hardware fault requiring repair or replacement of internal components.

Project transfer from PC to panel fails

Verify the Ethernet or USB connection between the PC and the panel. Ensure the panel is in transfer mode (accessible via the Start Center). Check that the WinCC flexible version on the PC is compatible with the panel's runtime version.

Restart both the PC and the panel and retry the transfer. Ensure the correct IP address or communication settings are configured in WinCC flexible. Update the panel's runtime software if a version mismatch is detected.

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