Siemens 6AV6146-3LP41-1KB2 SIMATIC MP 377

Name: Siemens 6AV6146-3LP41-1KB2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-3LP41-1KB2
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6146-3LP41-1KB2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3LP41-1KB2 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 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 (6AV6146-3LP41-1KB2) is equipped with a resistive touchscreen and delivers a display resolution of 1024 x 768 pixels with 64,000 colors. It features a 1 GHz processor with 256 MB RAM and 256 MB flash memory, enabling smooth execution of SIMATIC WinCC flexible runtime projects. Communication interfaces include PROFIBUS DP, PROFINET (Ethernet), USB ports, and a serial RS-422/RS-485 interface, allowing integration with a wide range of Siemens and third-party controllers. The panel supports MPI/PROFIBUS communication and is compatible with SIMATIC S7, S5, and various third-party PLCs.

The SIMATIC MP 377 is widely deployed in manufacturing, automotive, food and beverage, chemical, and water treatment industries. Its large display size and multi-touch capable interface make it suitable for complex process visualization, machine control panels, and SCADA-level operator stations. The panel's robust construction and wide operating temperature range allow reliable operation in harsh industrial environments.

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
Processor	1 GHz
RAM	256 MB
Flash Memory	256 MB
Operating System	Windows CE 6.0
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Communication Interface	PROFIBUS DP, PROFINET (Ethernet RJ45), USB 2.0, RS-422/RS-485
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
IP Rating (Front)	IP65
IP Rating (Rear)	IP20
Certifications	CE, UL, cULus
Mounting	Panel mounting
Series/Product Family	SIMATIC MP 377

Common Error Codes & System Events

Event ID: 1000000: System startup event indicating the HMI runtime has been initialized successfully.
Informational only. No action required. Verify project loads correctly after startup.
Event ID: 1000002: Connection to the PLC could not be established or was interrupted.
Check PROFIBUS/PROFINET cabling and termination resistors. Verify PLC address settings match the HMI project configuration. Check network switch or DP connector.
Event ID: 1000003: Tag read/write error — the HMI cannot access a configured PLC tag.
Verify the tag address in WinCC flexible matches the actual PLC data block or memory area. Check PLC program for address changes.
Event ID: 1000004: Project download failed or project file is corrupted.
Re-download the project from the engineering PC using WinCC flexible. Check USB or Ethernet connection during transfer. Ensure sufficient flash memory is available.
Event ID: 1000005: License for WinCC flexible runtime is missing or invalid.
Transfer a valid runtime license to the panel using the Siemens Automation License Manager. Verify the license matches the runtime version installed.
Event ID: 1000010: Internal flash memory error or file system fault detected.
Back up any existing project data, then perform a panel reset to factory defaults. Re-download the operating system and project using ProSave.
Event ID: 1000022: Touchscreen calibration error or touch input not responding correctly.
Recalibrate the touchscreen via the Control Panel in Windows CE. If calibration fails repeatedly, inspect the touchscreen connector internally or replace the touch overlay.
Event ID: 1000040: Backlight failure or backlight lifetime warning threshold reached.
Replace the backlight unit or the complete display assembly. Backlight lifetime is typically 50,000 hours; check operating hours in the system diagnostics.

Frequently Asked Questions

Which engineering software is required to configure the SIMATIC MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 or later. It is not compatible with TIA Portal WinCC Advanced without migration steps.

What PLCs are compatible with the 6AV6146-3LP41-1KB2?

The MP 377 supports communication with SIMATIC S7-200, S7-300, S7-400, S5 series PLCs via MPI/PROFIBUS, as well as third-party controllers via PROFINET Ethernet or serial interfaces.

What is the supply voltage for this panel?

The panel operates on 24 V DC with a permissible range of 19.2 V DC to 28.8 V DC.

Can the MP 377 be used as a PROFIBUS master or slave?

The MP 377 operates as a PROFIBUS DP slave when communicating with a PLC acting as the DP master. It cannot function as a PROFIBUS DP master.

How do I restore the panel to factory settings?

Factory reset can be performed using the Siemens ProSave tool via USB or Ethernet, which allows reinstallation of the Windows CE operating system image and clearing of all project data.

Troubleshooting

Display remains blank after power on

Measure 24 V DC supply voltage at the power connector. Check if the status LED indicates power is present. Determine whether the backlight has failed or the panel is not booting.

If voltage is correct and the LED is on, the backlight may have failed — replace the backlight or display assembly. If no LED activity, inspect internal fuses and the power supply board. Re-flash the OS using ProSave if the panel fails to boot.

Touchscreen does not respond or responds inaccurately

Check whether the panel responds to touch in the Windows CE Control Panel environment. Determine if the issue is a calibration problem or a hardware fault with the touch overlay.

Recalibrate the touchscreen through the Windows CE Control Panel. If calibration does not resolve the issue, inspect the ribbon cable connecting the touch overlay to the main board and reseat or replace it.

HMI cannot connect to PLC via PROFIBUS

Verify PROFIBUS cable termination at both ends of the bus segment. Check the bus address configured in the HMI project matches the physical DIP switch or software setting on the panel. Use a PROFIBUS diagnostic tool to check bus integrity.

Correct any address conflicts, ensure termination resistors are active only at the two physical ends of the bus, and replace damaged PROFIBUS connectors or cables. Reload the project if communication parameters were changed.

Project download fails from engineering PC

Check the USB or Ethernet connection between the engineering PC and the panel. Verify that the panel is in transfer mode (accessible via the Start Center on the panel).

Switch the panel to transfer mode via the Start Center, disable any firewall blocking the WinCC flexible transfer port, and retry the download. If flash memory is full, delete old project files using ProSave before re-downloading.

Panel reboots unexpectedly or freezes during operation

Check the 24 V DC supply for voltage dips or ripple using an oscilloscope. Review the system event log in WinCC flexible for recurring event IDs. Check ambient temperature around the panel.

Stabilize the power supply and ensure it is rated for the panel's maximum current draw. Ensure adequate ventilation around the panel to prevent overheating. If software-related, re-download the project and update the runtime version if a known bug fix is available.

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