Siemens 6AV6146-3LP41-2KB2 SIMATIC MP 377

Name: Siemens 6AV6146-3LP41-2KB2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-3LP41-2KB2
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6146-3LP41-2KB2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3LP41-2KB2 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 variant (6AV6146-3LP41-2KB2) is equipped with a resistive touchscreen interface and delivers a display resolution of 1024 x 768 pixels with 65,536 colors. It supports multiple communication interfaces including PROFIBUS DP, PROFINET IO (via Ethernet), MPI, and USB ports, enabling seamless integration into both legacy and modern Siemens automation architectures. The panel includes 12 MB of user memory for project data, supports Siemens WinCC flexible runtime software, and is built to withstand the rigors of industrial environments with a front panel protection rating of IP65.

The SIMATIC MP 377 is widely deployed in manufacturing, automotive, chemical processing, and energy sectors where large-format visualization and multi-application operation are required. Its ability to run third-party Windows CE-compatible software alongside WinCC flexible makes it suitable for complex SCADA-level visualization at the machine level. The panel is commonly installed in control cabinets and operator stations on production lines, packaging machinery, and process control systems.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 pixels (XGA)
Display Colors	65,536 colors
Display Type	TFT LCD
Touch Technology	Resistive touchscreen
Operating System	Windows CE 6.0
User Memory	12 MB
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 40 W
Communication Interface	PROFIBUS DP, MPI, PROFINET IO (Ethernet RJ45), 2x 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 interrupted.
Check PROFIBUS/MPI/PROFINET cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Confirm PLC is in RUN mode.
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 that the data block or memory area is accessible. Check for address mismatches in the WinCC flexible project.
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 memory area is not write-protected. Verify the tag address and data type match between the HMI project and PLC program.
Event ID: 20000: Project download error. Transfer of the WinCC flexible project to the panel has failed or been interrupted.
Ensure the transfer cable or Ethernet connection is secure. Verify the correct transfer settings (IP address or MPI address) are configured in WinCC flexible. Restart the panel and retry the transfer.
Event ID: 40000: System memory low. Available runtime memory on the panel is critically low, which may cause instability or application crashes.
Reduce the complexity of the HMI project, decrease the number of active alarms or trend buffers, and restart the panel. Consider archiving data to an external storage device.
Event ID: 50000: Backup battery low or missing. The internal backup battery voltage is below the required threshold.
Replace the internal backup battery with the correct Siemens replacement type. Ensure the panel is powered off before replacing the battery to avoid data loss.
Event ID: 70000: Screen saver or display fault. The display has failed to initialize correctly or the backlight has failed.
Check the 24 V DC supply voltage at the panel connector. If the backlight has failed, the display assembly or inverter board may require replacement. Contact a qualified service technician.

Frequently Asked Questions

What HMI software is required to program the SIMATIC MP 377?

The MP 377 is programmed using Siemens WinCC flexible 2008 or later. Projects are created on a PC and transferred to the panel via Ethernet, MPI, or USB.

Which Siemens PLC families are compatible with the MP 377?

The MP 377 is compatible with SIMATIC S7-300, S7-400, S7-1200, and S7-1500 PLCs via PROFINET or PROFIBUS DP/MPI connections. It also supports communication with S5 controllers via appropriate drivers.

What is the supply voltage for the 6AV6146-3LP41-2KB2?

The panel requires a 24 V DC power supply. Siemens recommends using a regulated SITOP power supply unit for reliable operation.

Can the MP 377 run third-party applications?

Yes, because the MP 377 runs Windows CE 6.0, it can execute compatible third-party Windows CE applications alongside the WinCC flexible runtime environment, subject to available system resources.

What is the front panel protection rating of this unit?

The front panel of the 6AV6146-3LP41-2KB2 carries an IP65 protection rating, making it suitable for installation in environments where dust and water jets may be present.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the panel power connector. Check for a blown internal fuse. Observe whether the panel emits any startup sounds or LED activity.

Ensure the 24 V DC supply is within tolerance (20.4–28.8 V DC). Replace the internal fuse if blown. If the backlight is faulty, the display assembly or inverter board will need to be replaced by a qualified technician.

Touchscreen does not respond or is misaligned

Attempt to access the panel's Control Panel via the Start menu (if accessible via an external USB mouse). Check if the touch calibration has drifted or if the resistive touch surface is damaged.

Perform a touchscreen recalibration through the Windows CE Control Panel under 'Stylus' settings. If the touch layer is physically damaged, the front glass/touch assembly requires replacement.

HMI cannot establish communication with the PLC

Verify the physical cable connections on the PROFIBUS, MPI, or PROFINET interface. Check the PLC address and network settings configured in the WinCC flexible project against the actual PLC settings.

Correct any address mismatches in the project configuration. Ensure PROFIBUS termination resistors are correctly placed at both ends of the bus. For PROFINET, verify IP address assignments and that the PLC is in RUN mode.

Project transfer from PC to panel fails

Check the transfer connection type (Ethernet or MPI) and confirm the panel is in 'Transfer' mode. Verify the IP address or MPI address entered in WinCC flexible matches the panel settings.

Switch the panel to Transfer mode via the Start Center or Control Panel. Confirm firewall settings on the PC are not blocking the transfer. Re-enter the correct panel IP address in the WinCC flexible transfer settings and retry.

Panel freezes or restarts unexpectedly during operation

Check the 24 V DC supply for voltage fluctuations or noise. Review the alarm and event logs on the panel for memory overflow or application errors. Assess whether the issue is project-related or hardware-related.

Stabilize the power supply using a regulated SITOP unit. Optimize the WinCC flexible project to reduce memory usage. If the problem persists, perform a factory reset and reload the project. Persistent hardware faults may require repair or replacement of the main CPU board.

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