Siemens 6AV6146-3LP41-2KC2 SIMATIC MP 377

Name: Siemens 6AV6146-3LP41-2KC2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-3LP41-2KC2
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6146-3LP41-2KC2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3LP41-2KC2 is a Multi Panel belonging to the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product line. This unit is a high-performance operator panel designed for demanding visualization and control tasks in industrial environments. It features a 15-inch widescreen TFT display and runs on the Windows CE operating system, providing a robust platform for complex HMI applications.

The MP 377 15" Touch features a resistive touchscreen interface with a display resolution of 1024 x 768 pixels and 64,000 colors. It is equipped with multiple communication interfaces including PROFIBUS DP, PROFINET, and Ethernet (RJ45), enabling seamless integration into modern automation networks. The panel includes 12 MB user memory for project data, supports USB host and device ports, and is built to withstand harsh industrial conditions with an IP65 front protection rating. It operates on a 24 V DC supply and is compatible with Siemens WinCC flexible and TIA Portal engineering software.

The SIMATIC MP 377 is widely deployed in manufacturing, process automation, and machine building industries where a large, high-resolution display is required for complex process visualization. It is commonly found in applications such as packaging machinery, printing presses, automotive assembly lines, and chemical processing plants. Its broad communication capability and robust construction make it suitable for integration into both legacy SIMATIC S7 systems and modern PROFINET-based architectures.

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	Max. 60 W
Communication Interface	PROFIBUS DP, PROFINET, Ethernet (RJ45), USB
User Memory	12 MB
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
Operating System	Windows CE 6.0
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC 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 or PROFINET cable connections and termination resistors. Verify PLC is in RUN mode and the configured station address matches the hardware configuration.
Event ID: 10001: Connection to PLC timed out. The HMI panel did not receive a response from the controller within the expected time window.
Check network integrity and cable connections. Verify PLC program is running and communication parameters (IP address, subnet mask, station address) are correctly configured on both devices.
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 or memory area is accessible. Check that the PLC program has not been modified to remove or relocate the referenced address.
Event ID: 20001: Tag write error. The HMI panel was unable to write a value to a configured PLC tag.
Confirm the target PLC address is not write-protected and the data type matches the configured tag. Check PLC operating mode and user authorization settings.
Event ID: 40000: Project loading error. The HMI runtime was unable to load the project file from internal memory.
Re-transfer the project from the engineering PC using WinCC flexible or TIA Portal. Verify the project was compiled without errors before transfer.
Event ID: 50000: System memory low. Available RAM for the HMI runtime application is critically low.
Reduce the number of simultaneously active screens and logged tags. Optimize the project by reducing graphical complexity and archiving data to an external storage device.
Event ID: 70000: Backup battery low or missing. The internal buffer battery voltage has dropped below the minimum threshold.
Replace the internal lithium backup battery. After replacement, verify that the real-time clock retains the correct time and date settings.
Event ID: 110000: Recipe data error. An error occurred during reading or writing of recipe data records.
Check that the recipe configuration in the project matches the available memory. Verify the storage medium (internal flash or USB) is accessible and not corrupted.

Frequently Asked Questions

What engineering software is compatible with the 6AV6146-3LP41-2KC2?

The SIMATIC MP 377 is compatible with Siemens WinCC flexible 2008 and later, as well as TIA Portal with the WinCC option. Projects must be compiled and transferred via Ethernet or USB.

What communication protocols does the MP 377 15" Touch support?

The panel supports PROFIBUS DP (via integrated port), PROFINET, and standard Ethernet TCP/IP via the RJ45 interface. USB host and device ports are also available for peripherals and project transfer.

Is the 6AV6146-3LP41-2KC2 compatible with SIMATIC S7-300 and S7-400 PLCs?

Yes, the MP 377 can communicate directly with SIMATIC S7-300 and S7-400 controllers via PROFIBUS DP or PROFINET, as well as with S7-1200 and S7-1500 via PROFINET.

What is the front protection rating of this panel?

The front panel of the 6AV6146-3LP41-2KC2 carries an IP65 protection rating, making it suitable for installation in control cabinet doors exposed to dust and water spray.

Can external storage devices be connected to the MP 377?

Yes, the panel is equipped with USB host ports that support standard USB storage devices such as flash drives, which can be used for project transfer, data archiving, and recipe management.

Troubleshooting

Display remains blank after power on

Measure 24 V DC supply voltage at the power connector. Check that the voltage is within the specified range (19.2 V to 28.8 V DC). Inspect the internal fuse if accessible.

Correct the supply voltage if out of range. If voltage is correct and display remains blank, the internal power supply board or backlight inverter may be faulty and require replacement or professional repair.

Touchscreen does not respond or responds inaccurately

Attempt to recalibrate the touchscreen via the Windows CE control panel or the SIMATIC HMI startup menu. Check for physical damage or contamination on the touch surface.

Perform a touchscreen recalibration through the device settings. Clean the touch surface with a soft, dry cloth. If calibration fails repeatedly, the resistive touch overlay may be damaged and require replacement.

HMI panel fails to establish communication with the PLC

Verify the PROFIBUS or Ethernet cable is correctly connected and undamaged. Check the configured IP address or PROFIBUS station address on both the panel and the PLC. Confirm the PLC is in RUN mode.

Correct any address mismatches in the WinCC flexible or TIA Portal project configuration. Replace faulty cables or connectors. Ensure PROFIBUS termination resistors are correctly placed at both ends of the bus segment.

Project transfer from engineering PC fails

Check the USB or Ethernet connection between the engineering PC and the panel. Verify the panel is in transfer mode (accessible via the SIMATIC HMI startup menu). Confirm firewall settings on the PC are not blocking the transfer.

Switch the panel to transfer mode manually via the start center. Disable any PC firewall temporarily during transfer. Re-compile the project in WinCC flexible or TIA Portal and retry the download.

Panel reboots unexpectedly or freezes during operation

Check the 24 V DC supply for voltage dips or instability using an oscilloscope or data logger. Review the HMI project for memory-intensive operations or excessively large screen configurations.

Stabilize the power supply by adding a buffer capacitor module or replacing the power supply unit. Optimize the HMI project by reducing screen complexity and the number of simultaneously active tags. Update the panel firmware to the latest available version.

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