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

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

€ 2.495,00

Condition

Clear

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

Description
Additional information

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

The MP 377 15" Touch (6AV6146-3LP41-3KC2) is equipped with a resistive touchscreen and delivers a display resolution of 1024 x 768 pixels (XGA) with 64,000 colors. It offers extensive communication capabilities including PROFIBUS DP, PROFINET (Ethernet), MPI, and USB interfaces, enabling seamless integration into both legacy and modern Siemens automation networks. The panel includes 12 MB user memory for project data, supports WinCC flexible as its configuration software, and is built to withstand industrial environments with an IP65 front protection rating.

The SIMATIC MP 377 is widely deployed in the mechanical engineering, automotive, food and beverage, and chemical processing industries. Its large display area and multi-protocol communication support make it suitable for complex SCADA-level visualization tasks at the machine or line level. The panel is commonly used in applications requiring simultaneous display of process data, trend curves, alarms, and recipe management on a single operator interface.

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
Operating System	Windows CE 5.0
User Memory	12 MB
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 40 W
IP Protection Rating (Front)	IP65
IP Protection Rating (Rear)	IP20
Communication Interfaces	PROFIBUS DP, MPI, PROFINET (Ethernet RJ45), 2x USB
Configuration Software	WinCC flexible 2008
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 the HMI panel and the PLC. The configured connection to the controller cannot be established or has been lost.
Check PROFIBUS/MPI/PROFINET cabling and connector integrity. Verify PLC is powered and running. Confirm station address and baud rate settings match on both devices.
Event ID: 10001: Tag read error. The HMI panel is 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 PLC program is loaded and the correct DB number is referenced in WinCC flexible.
Event ID: 10002: Tag write error. The HMI panel is unable to write a value to a configured PLC tag.
Check that the target PLC address is not read-only or protected. Verify the PLC is in RUN mode and the address range is valid.
Event ID: 20000: Project download error. Transfer of the WinCC flexible project to the panel failed or was interrupted.
Ensure the panel is in Transfer mode. Check the USB or Ethernet connection between the engineering PC and the panel. Verify sufficient user memory is available on the panel.
Event ID: 40000: System memory low. Available runtime memory on the panel is critically low, which may cause instability or slow response.
Reduce the complexity of the active screen, limit the number of simultaneously active trends or alarms, and restart the panel. Consider optimizing the WinCC flexible project.
Event ID: 50000: Alarm buffer overflow. The number of pending alarms has exceeded the configured alarm buffer capacity.
Acknowledge and clear pending alarms. Increase the alarm buffer size in the WinCC flexible project settings if overflow occurs frequently.
Event ID: 60000: Recipe data error. An error occurred during reading or writing of recipe data records.
Check that the recipe data medium (internal memory or external USB storage) is available and not write-protected. Verify recipe configuration in WinCC flexible.

Frequently Asked Questions

What configuration software is required for the 6AV6146-3LP41-3KC2?

This panel is configured using Siemens WinCC flexible 2008 or later. It is not compatible with the newer TIA Portal WinCC Advanced without a migration step.

What communication interfaces are available on this panel?

The MP 377 15" Touch provides MPI, PROFIBUS DP (via a combined MPI/PROFIBUS port), one PROFINET (Ethernet RJ45) interface, and two USB ports for peripherals and project transfer.

What is the supply voltage for the 6AV6146-3LP41-3KC2?

The panel operates on 24 V DC. Ensure the power supply can deliver sufficient current, as the panel consumes approximately 40 W.

Is the front panel of this HMI rated for washdown or dusty environments?

Yes, the front panel carries an IP65 protection rating, making it suitable for environments with dust and water spray. The rear of the unit is rated IP20.

Can this panel connect directly to a SIMATIC S7-300 or S7-400 PLC?

Yes, the MP 377 supports MPI and PROFIBUS DP connections, which are the native interfaces for S7-300 and S7-400 PLCs. It also supports PROFINET for S7-300/400 CPUs equipped with Ethernet interfaces.

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. Inspect the internal fuse if accessible. Observe whether any LED indicators on the rear of the panel illuminate.

Verify and restore correct 24 V DC supply. If the supply voltage is correct but the display remains off, the internal power supply board or backlight inverter may be faulty and require replacement or professional repair.

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 offset input, while a hardware failure causes no response at all.

Perform a touchscreen recalibration via the Windows CE Control Panel under Start > Settings > Control Panel > OP Properties > Touch. If recalibration does not resolve the issue, the resistive touch overlay may be damaged and require replacement.

Panel cannot establish communication with the PLC

Check the physical cable connection on the MPI/PROFIBUS or Ethernet port. Verify the station address configured on the panel matches the PLC network settings. Use a bus diagnostic tool to check for bus conflicts.

Correct any address conflicts, replace damaged cables, and ensure termination resistors are correctly placed on the PROFIBUS segment. Reload the WinCC flexible project if communication parameters were recently changed.

WinCC flexible project transfer fails

Confirm the panel is set to Transfer mode (accessible via the Start Center on the panel). Check that the PC and panel are on the same network subnet if using Ethernet transfer, or that the USB cable is functional.

Switch the panel to Transfer mode manually via the Start Center. Disable any firewall software on the engineering PC that may block the transfer. Try an alternative USB cable or Ethernet connection if the transfer continues to fail.

Panel reboots unexpectedly or freezes during operation

Check the supply voltage for ripple or voltage drops under load, as an unstable 24 V DC supply is a common cause of unexpected resets. Review the alarm and event logs in WinCC flexible for system error events.

Replace or stabilize the 24 V DC power supply. If the issue persists with a stable supply, the project may contain memory leaks or excessively complex screens; optimize the WinCC flexible project and update the panel firmware to the latest version.

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