Siemens 6AV6146-3LP41-3KA2 MP 377

€ 2.495,00

SKU: 6AV6146-3LP41-3KA2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3LP41-3KA2 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 15-inch touch-screen panel operates on the WinCC flexible runtime platform and is part of Siemens' high-performance panel series intended for complex machine and process visualization. It provides a robust and reliable human-machine interface solution for mid-to-large scale automation systems.

The MP 377 (6AV6146-3LP41-3KA2) features a 15-inch TFT display with a resolution of 1024 x 768 pixels and 64,000 colors, delivering clear and detailed process visualization. It is equipped with a resistive touch screen and supports multiple communication interfaces including PROFIBUS DP, PROFINET IO (Ethernet), MPI, and USB ports, enabling flexible integration into existing automation architectures. The panel runs on Microsoft Windows CE and offers substantial onboard memory, with 12 MB user memory for project data and support for external storage via CompactFlash and USB. It operates on a 24 V DC supply and is rated IP65 on the front face for protection against dust and water ingress.

The MP 377 is widely deployed in the automotive, food and beverage, pharmaceutical, and chemical processing industries, where large-format visualization and robust communication capabilities are essential. It is particularly suited for machine tool control panels, process control stations, and SCADA-level operator interfaces where high-resolution display of complex process data is required. Its compatibility with Siemens S7-300, S7-400, and S7-1500 PLC families makes it a versatile choice for both new installations and system upgrades.

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 touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 40 W
Communication Interface	PROFIBUS DP, MPI, PROFINET IO (Ethernet RJ45), 2x USB
User Memory	12 MB
External Storage	CompactFlash slot, USB
Operating System	Windows CE 6.0
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
IP Rating (Front)	IP65
IP Rating (Rear)	IP20
Mounting	Panel mounting
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 10000: Communication error between HMI panel and PLC. Connection to the configured controller cannot be established or has been lost.
Check physical communication cable connections and network settings. Verify PLC address configuration in WinCC flexible project matches the actual PLC settings. Ensure PLC is powered and in RUN mode.
Event ID: 10001: Tag read error. The HMI panel cannot read a configured tag value from the PLC.
Verify the tag address in the WinCC flexible project is correct and corresponds to an existing data block or memory area in the PLC. Check PLC program for address conflicts.
Event ID: 10002: Tag write error. The HMI panel cannot write a value to the configured PLC tag.
Check that the target PLC memory area is not write-protected. Verify the tag address and data type match the PLC configuration. Confirm the PLC is in a state that allows write access.
Event ID: 20000: Project loading error. The runtime project could not be loaded from storage memory.
Check the integrity of the project file on the CompactFlash card or internal memory. Re-transfer the project from WinCC flexible engineering software. Ensure sufficient free memory is available on the panel.
Event ID: 40000: System memory low. Available runtime memory on the panel is critically low.
Reduce the number of simultaneously active screens or logged data. Optimize the project by reducing image complexity or the number of active tags. Consider archiving or clearing alarm and data logs.
Event ID: 70010: Recipe data error. An error occurred during reading or writing of recipe data.
Check the recipe configuration in WinCC flexible. Verify that the recipe data storage location (internal memory or external card) is accessible and not full. Re-transfer the project if recipe structure has changed.
Event ID: 50000: Alarm log full. The alarm buffer has reached its maximum capacity.
Acknowledge and clear pending alarms. Archive or export the alarm log and clear the buffer. Adjust alarm log size settings in the WinCC flexible project configuration if recurring.

Frequently Asked Questions

What PLC families are compatible with the Siemens MP 377 (6AV6146-3LP41-3KA2)?

The MP 377 is compatible with Siemens S7-300, S7-400, S7-1500, and S7-200 PLC families, as well as third-party controllers accessible via supported communication protocols such as PROFIBUS DP and PROFINET IO.

What engineering software is required to program the MP 377?

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

What is the operating voltage of the 6AV6146-3LP41-3KA2?

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

Does the MP 377 support PROFINET IO communication?

Yes, the MP 377 (6AV6146-3LP41-3KA2) includes an integrated PROFINET IO interface via an RJ45 Ethernet port, supporting communication with PROFINET-capable PLCs and network infrastructure.

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

The front face of the MP 377 is rated IP65, providing complete protection against dust ingress and protection against low-pressure water jets, making it suitable for installation in industrial control panels.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the panel power connector. Check that the supply voltage is within the specified tolerance range. Inspect the internal fuse if accessible.

Ensure the 24 V DC supply is stable and within specification. If the supply is correct but the display remains blank, the internal power supply board or backlight inverter may be faulty and require replacement or professional repair.

Touch screen does not respond or responds inaccurately

Attempt to recalibrate the touch screen via the panel's Start Center or Control Panel settings. Check for physical damage or contamination on the screen surface.

Perform a touch screen recalibration through the Windows CE Control Panel. Clean the screen surface with a soft, lint-free cloth. If calibration does not resolve the issue, the resistive touch overlay may be damaged and require replacement.

HMI cannot establish communication with the PLC

Verify the communication cable type and wiring for the selected interface (MPI, PROFIBUS, or Ethernet). Check the PLC address and network parameters configured in the WinCC flexible project against the actual PLC settings.

Correct any address mismatches in the WinCC flexible project and re-transfer to the panel. Replace the communication cable if damaged. Ensure the PLC is powered and in RUN mode, and that no IP address conflicts exist on the Ethernet network.

Project transfer from WinCC flexible fails

Check the transfer connection type (USB, Ethernet, or CompactFlash). Verify that the panel is in Transfer mode via the Start Center. Confirm the PC firewall or antivirus is not blocking the WinCC flexible transfer tool.

Set the panel to Transfer mode manually from the Start Center before initiating transfer. Disable firewall exceptions for WinCC flexible on the engineering PC. Alternatively, copy the project to a CompactFlash card and load it directly on the panel.

Panel repeatedly reboots or crashes during runtime

Check for insufficient power supply voltage or current. Review the alarm and system event logs for recurring Event IDs. Inspect the CompactFlash card for errors or corruption.

Ensure the 24 V DC power supply is adequately rated for the panel load. Replace or reformat the CompactFlash card and re-transfer the project. If the issue persists, the panel may require a firmware update or hardware inspection by a qualified repair technician.

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