Siemens 6AV6146-3LP41-3KB2 SIMATIC MP 377
€ 2.495,00
The Siemens 6AV6146-3LP41-3KB2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for high-performance visualization and operator control tasks in industrial automation environments. This panel features a 15-inch TFT widescreen display and runs on the Windows CE operating system, providing a robust platform for demanding HMI applications. It is part of Siemens' SIMATIC HMI MP 377 series, which is engineered for use in machine-level and process-level control applications.
The MP 377 15" Touch variant (6AV6146-3LP41-3KB2) is equipped with a resistive touchscreen and supports a display resolution of 1024 x 768 pixels (XGA) with 64,000 colors. It features multiple communication interfaces including PROFIBUS DP, PROFINET (Ethernet), USB ports, and a serial RS-422/RS-485 interface, enabling integration with a wide range of Siemens and third-party controllers. The panel includes 12 MB of user memory for project data, supports MPI/PROFIBUS DP communication at up to 12 Mbit/s, and provides a CompactFlash card slot for additional storage. The unit operates on 24 V DC supply voltage and carries CE and UL certifications.
The SIMATIC MP 377 is widely deployed in the manufacturing, automotive, food and beverage, chemical, and water treatment industries. Its large display area and multi-protocol communication capability make it suitable for complex machine visualization, process monitoring, and SCADA-level tasks at the machine level. The panel is commonly integrated with Siemens S7-300, S7-400, and S7-1500 PLC families, as well as third-party controllers via OPC or serial protocols.
Technical Specifications
| Display Size | 15 inch |
|---|---|
| Display Resolution | 1024 x 768 pixels (XGA) |
| Display Colors | 64,000 colors |
| Display Type | TFT |
| Touch Technology | Resistive touchscreen |
| Input/Operating Voltage | 24 V DC |
| Power Consumption | Approx. 60 W |
| User Memory | 12 MB |
| Operating System | Windows CE 6.0 |
| Communication Interface | PROFIBUS DP, PROFINET (Ethernet), MPI, RS-422/RS-485, USB |
| Storage Expansion | CompactFlash card slot |
| 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 |
| 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 PROFIBUS/PROFINET cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Confirm the PLC is in RUN mode. - Event ID: 10001
- Tag read error. The HMI panel cannot read the value of a configured tag from the PLC.
Verify the tag address exists in the PLC program. Check data block numbers and offsets in the HMI project. Ensure the PLC program is loaded and running correctly. - Event ID: 10002
- Tag write error. The HMI panel cannot write a value to the configured PLC tag.
Check that the target PLC data area is not write-protected. Verify the tag address and data type match the PLC configuration. Confirm communication link is active. - Event ID: 40000
- Project loading error. The HMI runtime cannot load the configured project file from memory or storage.
Re-transfer the project from SIMATIC WinCC flexible or TIA Portal to the panel. Check CompactFlash card integrity. Perform a panel reset and reload the project. - Event ID: 20000
- System memory low. Available runtime memory on the panel is insufficient for the current project.
Reduce the number of active screens or objects in the project. Archive log data to external storage. Restart the panel to free memory resources. - Event ID: 50000
- Printer error. The configured printer is not available or a print job has failed.
Check printer connection and driver configuration in the HMI project settings. Verify the printer is powered on and online. Re-configure the printer interface if necessary. - Event ID: 70010
- Backup/restore error. A backup or restore operation of the panel data has failed.
Check the CompactFlash card for sufficient free space and card integrity. Repeat the backup/restore procedure. Replace the CompactFlash card if errors persist.
Frequently Asked Questions
What PLC families are compatible with the SIMATIC MP 377 (6AV6146-3LP41-3KB2)?
The MP 377 is compatible with Siemens S7-300, S7-400, S7-1200, and S7-1500 PLCs via MPI, PROFIBUS DP, or PROFINET. It also supports communication with third-party controllers via serial interfaces or OPC.
What software is used to program and configure the MP 377?
The MP 377 is configured using Siemens SIMATIC WinCC flexible 2008 or the TIA Portal with WinCC (depending on project version). Projects are transferred to the panel via Ethernet, USB, or MPI/PROFIBUS.
What is the operating voltage of the 6AV6146-3LP41-3KB2?
The panel operates on 24 V DC supply voltage. Ensure the power supply is within the specified tolerance range to avoid operational issues.
Does the MP 377 support data logging and recipe management?
Yes, the MP 377 supports data logging, trend displays, alarm management, and recipe management as standard WinCC flexible runtime functions. Log data can be stored internally or on a CompactFlash card.
What is the IP protection rating of the MP 377 front panel?
The front panel of the MP 377 achieves IP65 protection when correctly installed in a panel cutout, making it suitable for environments with dust and water spray exposure.
Troubleshooting
Display remains blank after power on
Measure 24 V DC supply voltage at the panel power connector. Check that the supply is within tolerance. Inspect the internal fuse if accessible.
Restore correct 24 V DC supply. If supply is correct and display remains blank, the backlight or internal power supply board may be faulty and require replacement.
Touchscreen does not respond or responds inaccurately
Check for physical damage or contamination on the touch surface. Attempt a touchscreen recalibration via the panel's Start Center or Control Panel settings.
Perform touchscreen recalibration in the Windows CE Control Panel. If inaccuracy persists after calibration, the resistive touch overlay may be worn or damaged and should be replaced.
HMI cannot establish communication with the PLC
Verify PROFIBUS or Ethernet cable connections and check for correct bus termination. Confirm that the PLC address and communication parameters in the HMI project match the physical setup.
Correct any address mismatches in the WinCC flexible project and retransfer to the panel. Replace faulty cables or connectors. Ensure PROFIBUS termination resistors are enabled at both ends of the bus.
Panel repeatedly restarts or crashes during runtime
Check for project memory overload or corrupted project data. Review the Windows CE event log for error entries. Inspect the CompactFlash card for errors.
Retransfer a clean project build to the panel. Replace the CompactFlash card if diagnostics indicate storage errors. If restarts continue, the panel hardware may require service or replacement.
Project transfer from engineering PC fails
Verify the Ethernet or USB connection between the PC and the panel. Ensure the panel is in Transfer mode via the Start Center. Check firewall settings on the engineering PC.
Switch the panel to Transfer mode manually via the Start Center. Disable PC firewall temporarily during transfer. Use a direct Ethernet crossover or known-good USB cable and retry the transfer.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
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