Siemens 6AV6146-3QQ41-1LY4 SIMATIC MP 377

Name: Siemens 6AV6146-3QQ41-1LY4 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-3QQ41-1LY4
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6146-3QQ41-1LY4 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3QQ41-1LY4 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for high-performance human-machine interface applications. This panel is part of the MP 377 series, which offers a 19-inch widescreen display and is intended for demanding visualization and control tasks in industrial environments. It operates as a standalone HMI device capable of running WinCC flexible runtime software for process visualization.

The MP 377 19" features a high-resolution TFT color display with a resolution of 1280 x 1024 pixels and supports touch and key operation. It is equipped with multiple communication interfaces including PROFIBUS DP, PROFINET/Ethernet, and USB ports, enabling seamless integration into existing automation networks. The panel runs on a Windows CE operating system and provides substantial onboard memory for project data, recipes, and data logging. It supports MPI, PROFIBUS, and Industrial Ethernet protocols, making it compatible with a wide range of Siemens SIMATIC PLCs including S7-300, S7-400, and S7-1500 series.

The SIMATIC MP 377 is widely deployed in industries such as automotive manufacturing, chemical processing, food and beverage, water treatment, and machine building. Its large display area and robust construction make it suitable for complex process visualization on control panels and operator stations where detailed graphical overviews and multi-screen navigation are required. The panel's versatility and broad communication capability make it a reliable choice for both new installations and system upgrades.

Technical Specifications

Display Size	19 inch
Display Resolution	1280 x 1024 pixels
Display Type	TFT color
Display Colors	64,000 colors
Touch Technology	Resistive touch screen with function keys
Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Communication Interface	PROFIBUS DP, PROFINET/Ethernet (RJ45), USB, MPI
Operating System	Windows CE 6.0
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

Common Error Codes & System Events

Event ID: 10000: Connection to PLC lost or communication timeout on configured connection.
Check network cables and connectors, verify PLC is powered and running, confirm IP address or PROFIBUS address settings in the project configuration.
Event ID: 10001: Connection to PLC established after a previous loss of communication.
Informational event. No corrective action required; verify that data exchange is functioning correctly after reconnection.
Event ID: 20000: Project download failed or project data could not be loaded from memory.
Re-download the project using WinCC flexible or TIA Portal. Check available memory on the panel and ensure the project version is compatible with the panel firmware.
Event ID: 40000: Recipe data error — recipe record could not be read or written.
Check recipe configuration in the project. Verify that the recipe memory area is not full and that the PLC data block addresses are correctly mapped.
Event ID: 50000: Data log full — the configured data log has reached its maximum capacity.
Archive or delete existing data log entries. Adjust the data log configuration to enable automatic overwrite or increase the log storage allocation.
Event ID: 60000: System memory low — available RAM or flash memory on the panel is critically low.
Close unnecessary runtime applications, reduce the number of active data logs or recipe records, and consider archiving project data to an external USB storage device.
Event ID: 70000: Firmware or runtime version mismatch between the panel firmware and the downloaded project.
Update the panel firmware to the version required by the project, or recompile and download the project using the WinCC flexible version matching the installed firmware.

Frequently Asked Questions

Which PLC families are compatible with the SIMATIC MP 377?

The MP 377 is compatible with Siemens SIMATIC S7-300, S7-400, S7-1200, and S7-1500 PLCs via MPI, PROFIBUS DP, or PROFINET/Ethernet. It can also communicate with third-party controllers using OPC or other supported drivers configured in WinCC flexible.

What software is used to program and configure the MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 or later. It is not directly supported by TIA Portal WinCC Advanced without migration steps, so WinCC flexible is the primary engineering tool for this panel generation.

What is the input voltage requirement for the MP 377?

The panel requires a 24 V DC power supply. The permissible voltage range is typically 19.2 V DC to 28.8 V DC, and the maximum power consumption is approximately 60 W.

Does the MP 377 support remote access or VNC connectivity?

Yes, the MP 377 supports VNC (Virtual Network Computing), allowing remote monitoring and operation of the panel interface from a PC or other VNC-compatible client over an Ethernet network.

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

The front panel of the MP 377 carries an IP65 protection rating, making it resistant to dust ingress and low-pressure water jets, suitable for installation in industrial control cabinet doors.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the power connector on the rear of the panel. Check that the voltage is within the 19.2–28.8 V DC range. Inspect for any visible damage to the panel or connector.

Correct the supply voltage if out of range. If voltage is correct and the display remains blank, the internal backlight or power supply board may have failed and the unit should be sent for repair or replacement.

Touchscreen does not respond or responds inaccurately

Check whether the touch input is misaligned by attempting to navigate the on-screen keyboard. Determine if the issue is a calibration problem or a hardware failure by testing multiple areas of the screen.

Recalibrate the touchscreen via the panel's Control Panel settings in Windows CE (Start > Settings > Control Panel > Touch). If calibration does not resolve the issue, the touch overlay may be damaged and require replacement.

Communication to PLC is lost intermittently or permanently

Check the Ethernet or PROFIBUS cable connections at both the panel and PLC ends. Verify the IP address or PROFIBUS node address configured in the HMI project matches the PLC settings. Use the panel's diagnostic tools to check connection status.

Replace faulty cables or connectors. Correct any address mismatches in the WinCC flexible project and re-download. If using PROFIBUS, check termination resistors at both ends of the bus segment.

Panel freezes or restarts unexpectedly during operation

Check the 24 V DC supply for voltage dips or ripple using an oscilloscope or multimeter. Review the Windows CE event log for application errors. Determine if the issue is triggered by specific HMI screens or actions.

Ensure the power supply is adequately rated and stable. Update the panel firmware and WinCC flexible runtime to the latest compatible versions. If the problem persists, perform a factory reset and re-download the project to rule out software corruption.

Project download fails from WinCC flexible engineering station

Verify the Ethernet or USB connection between the PC and the panel. Confirm that the WinCC flexible version matches the panel firmware version. Check that the panel is in transfer mode (not in runtime mode with transfer blocked).

Switch the panel to transfer mode via the Start Center or by pressing the appropriate key combination during boot. Ensure firewall settings on the PC do not block the WinCC flexible transfer port. If version mismatch is detected, update the panel firmware using ProSave before re-attempting the download.

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