Siemens 6AV6146-3NP41-0KY3 SIMATIC MP 377

Name: Siemens 6AV6146-3NP41-0KY3 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-3NP41-0KY3
Price: 2995.00 EUR
Availability: InStock

€ 2.995,00

Condition

Clear

SKU: 6AV6146-3NP41-0KY3 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3NP41-0KY3 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for demanding visualization and operator control tasks in industrial automation environments. This panel features a 19-inch widescreen TFT display and is part of the MP 377 series, which represents Siemens' high-performance multi-panel range capable of running both WinCC flexible runtime and, in some configurations, standard PC-based applications. It is a panel PC-class device intended for use as a powerful operator interface in complex machine and plant control systems.

The MP 377 19" Touch (6AV6146-3NP41-0KY3) is equipped with a resistive touchscreen and delivers a display resolution of 1280 x 1024 pixels with 64,000 colors. It runs on Microsoft Windows CE and supports communication via PROFIBUS DP, PROFINET/Ethernet, MPI, and USB interfaces, enabling seamless integration into Siemens S7 and third-party control architectures. The unit is powered by a 24 V DC supply and features a fanless design with a robust aluminum front panel rated to IP65, making it suitable for harsh industrial environments. Internal memory includes Flash memory for project storage and RAM for runtime operations.

The SIMATIC MP 377 is widely deployed in the automotive, food and beverage, pharmaceutical, and machine-building industries where large-format visualization and reliable operator interaction are required. Its large 19-inch display makes it particularly suitable for complex process overviews, multi-axis machine control panels, and SCADA-style local visualization stations. The panel's compatibility with WinCC flexible and TIA Portal engineering tools ensures straightforward integration into existing Siemens automation architectures.

Technical Specifications

Display Size	19 inch
Display Resolution	1280 x 1024 pixels
Display Colors	64,000 colors
Display Type	TFT LCD
Touch Technology	Resistive touchscreen
Input Voltage	24 V DC
Power Consumption	Approx. 60 W
Operating System	Windows CE 6.0
Communication Interface	PROFIBUS DP, MPI, PROFINET, Ethernet (RJ45), USB
IP Protection Rating (Front)	IP65
IP Protection Rating (Rear)	IP20
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: Communication error between HMI panel and PLC. The configured connection to the controller cannot be established or has been lost.
Check physical connections on PROFIBUS/MPI/Ethernet interface. Verify PLC is powered and running. Confirm communication parameters (address, baud rate) match in WinCC flexible project.
Event ID: 10001: 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 and the data block is present. Check that the PLC is in RUN mode and the connection is active.
Event ID: 10002: Tag write error. The HMI panel cannot write a value to the configured PLC tag.
Check that the target PLC address is not write-protected. Confirm the PLC is in RUN mode and the data area is correctly configured.
Event ID: 40000: Project transfer error. A project download to the panel has failed or been interrupted.
Check the transfer cable or network connection. Ensure WinCC flexible is set to the correct transfer mode and the panel is in transfer mode. Retry the download.
Event ID: 70010: Internal flash memory error. The panel has detected a fault in the internal storage used for project data.
Perform a panel reset and attempt to reload the project. If the error persists, the internal flash memory may need replacement or the unit requires service.
Event ID: 20000: Alarm buffer overflow. The number of pending alarms has exceeded the configured alarm buffer capacity.
Acknowledge and clear existing alarms. Review alarm configuration in WinCC flexible to increase buffer size or reduce alarm frequency.
Event ID: 50000: Script runtime error. A configured script or function on the HMI panel has encountered an execution error.
Review the script logic in WinCC flexible for errors. Check that all referenced tags and functions are correctly defined and accessible.

Frequently Asked Questions

What HMI engineering software is compatible with the 6AV6146-3NP41-0KY3?

The MP 377 19" Touch is configured using Siemens WinCC flexible 2008 or later. It is also supported in the TIA Portal via the WinCC flexible migration path.

What communication protocols does the MP 377 support?

The panel supports MPI, PROFIBUS DP, PROFINET, and standard Ethernet (TCP/IP). USB ports are also available for project transfer and peripheral devices.

Is the MP 377 compatible with Siemens S7-300 and S7-400 PLCs?

Yes, the MP 377 communicates natively with S7-300 and S7-400 controllers via MPI or PROFIBUS DP, and with S7-300/400 PN variants via PROFINET/Ethernet.

What is the supply voltage for the 6AV6146-3NP41-0KY3?

The panel requires a 24 V DC power supply. It is recommended to use a regulated SELV power supply meeting IEC 60364-4-41 requirements.

What is the front panel protection rating of this MP 377?

The front panel is rated to IP65, providing protection against dust ingress and low-pressure water jets, making it suitable for panel-mount installation in industrial enclosures.

Troubleshooting

Display remains blank after power on

Check that 24 V DC is present at the power supply terminals. Measure voltage at the panel connector and verify polarity. Check internal fuse if accessible.

Restore correct 24 V DC supply. If voltage is correct but display remains off, the backlight or internal power board may be faulty and the unit should be sent for repair or the backlight replaced.

Touchscreen does not respond or responds inaccurately

Determine whether the issue is a complete lack of response or positional inaccuracy. A miscalibrated touch controller causes positional errors, while a hardware fault causes no response at all.

Perform a touchscreen recalibration via the panel's Control Panel settings in Windows CE. If the touchscreen is completely unresponsive, inspect the touch controller ribbon cable connection internally or replace the touch overlay.

HMI cannot establish communication with the PLC

Check the physical cable connections on the PROFIBUS, MPI, or Ethernet port. Verify the bus address and baud rate settings on both the panel and PLC match the project configuration.

Correct any mismatched communication parameters in the WinCC flexible project and reload it to the panel. Replace the communication cable if damaged. Ensure the PLC is powered and in RUN mode.

Panel repeatedly restarts or crashes during runtime

Check operating temperature around the panel. Inspect the project for script errors or memory overload. Review the Windows CE event log for fault entries.

Ensure adequate ventilation and that ambient temperature is within 0-50 °C. Optimize the WinCC flexible project to reduce memory usage. Reload a clean project image to the panel and retest.

Project cannot be transferred to the panel

Verify the panel is set to Transfer mode. Check the Ethernet or USB connection between the engineering PC and the panel. Confirm the IP address or transfer settings match in WinCC flexible.

Set the panel to Transfer mode via the Start Center. Ensure the PC firewall is not blocking the transfer port. Use a direct Ethernet connection if network transfer is unreliable, or use a USB memory stick for project loading.

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