
Siemens 6AV6146-3MM41-0KY0 SIMATIC MP 377
€ 1.995,00
The Siemens 6AV6146-3MM41-0KY0 is a Multi Panel belonging to the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product line. This unit features a 15-inch TFT display and is designed for demanding visualization and operator control tasks in industrial automation environments. It runs on the Windows CE operating system and is compatible with the WinCC flexible runtime environment.
The MP 377 15" Touch features a high-resolution 1024 x 768 pixel (XGA) TFT display with 64,000 colors and resistive touch screen technology for reliable operator input. It is equipped with 12 MB user memory for project data, supports multiple communication interfaces including PROFIBUS DP and Ethernet (PROFINET), and provides USB ports for peripheral connectivity. The panel operates on a 24 V DC supply and is built to withstand the rigors of industrial environments with a front-side IP65 protection rating.
The SIMATIC MP 377 is widely used in machine building, automotive manufacturing, process industries, and plant engineering where a robust and versatile HMI solution is required. Its large display size and multi-panel capability make it suitable for complex visualization tasks on production lines, packaging machinery, and process control stations. The panel's compatibility with SIMATIC S7 PLCs and PROFINET/PROFIBUS networks makes it a natural fit for Siemens-based automation architectures.
Technical Specifications
| Display Size | 15 inch |
|---|---|
| Display Resolution | 1024 x 768 px (XGA) |
| Display Colors | 64,000 colors |
| Display Type | TFT LCD |
| Touch Technology | Resistive touch screen |
| Input/Operating Voltage | 24 V DC |
| Power Consumption | Approx. 50 W |
| User Memory | 12 MB |
| Operating System | Windows CE 5.0 |
| Communication Interface | PROFIBUS DP, Ethernet (PROFINET), 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) |
| Certifications | CE, UL, cULus |
| Series/Product Family | SIMATIC MP 377 |
Common Error Codes & System Events
- Event ID: 10000
- Connection to PLC interrupted or not established. Communication between the HMI panel and the configured PLC controller has failed.
Check PROFIBUS or Ethernet cabling and connectors. Verify PLC is powered and running. Confirm network address settings in the HMI project match the PLC configuration. - Event ID: 10001
- Connection to PLC re-established after a previous communication failure.
No corrective action required. Monitor for recurring disconnections which may indicate an unstable network or intermittent cable fault. - Event ID: 20000
- Tag read error. The HMI panel was unable to read the value of a configured tag from the PLC.
Verify the tag address in the WinCC flexible project matches the actual PLC data block or memory address. Check PLC program is running and the address exists. - Event ID: 20001
- Tag write error. The HMI panel was unable to write a value to the configured PLC tag.
Check that the target PLC address is not write-protected. Verify the data type of the tag matches the PLC variable. Confirm communication link is active. - Event ID: 40000
- Project loading error. The HMI runtime was unable to load the project file from memory.
Transfer the project again from the engineering PC using WinCC flexible. Check available user memory and ensure the project file is not corrupted. - Event ID: 50000
- System memory low. Available runtime memory on the panel is critically low.
Reduce the number of active screens or objects in the project. Close unnecessary background applications. Consider optimizing the project structure in WinCC flexible. - Event ID: 70000
- Backup battery low or missing. The internal buffer battery voltage has dropped below the required threshold.
Replace the internal buffer battery with the correct Siemens replacement part. Refer to the MP 377 operating instructions for battery replacement procedure. - Event ID: 110000
- Printer communication error. The panel was unable to communicate with the configured printer.
Check printer cable connections and printer power status. Verify the correct printer driver is installed and configured in the HMI project settings.
Frequently Asked Questions
What PLC systems is the SIMATIC MP 377 15" Touch compatible with?
The MP 377 is compatible with SIMATIC S7-200, S7-300, S7-400, and S7-1200 PLCs via PROFIBUS DP or Ethernet/PROFINET. It can also communicate with third-party controllers using supported drivers in WinCC flexible.
What engineering software is required to program this HMI panel?
The SIMATIC MP 377 is programmed using Siemens WinCC flexible 2008 or later. Projects are created on a PC and transferred to the panel via Ethernet, USB, or a memory card.
What is the input voltage requirement for the 6AV6146-3MM41-0KY0?
The panel requires a 24 V DC power supply. It is recommended to use a regulated SELV power supply with sufficient current capacity, typically at least 3 A.
What is the front-side protection rating of this panel?
The MP 377 15" Touch has an IP65 protection rating on the front face when correctly installed in a panel cutout with the supplied gasket, making it resistant to dust and water jets.
Can the MP 377 be used with WinCC (TIA Portal)?
The MP 377 is not natively supported in TIA Portal; it is designed for use with WinCC flexible. Migration to TIA Portal-compatible panels such as the Comfort Panel series would be required for TIA Portal projects.
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 specified tolerance. Inspect the internal fuse if accessible.
Ensure the power supply is providing stable 24 V DC with adequate current. If voltage is correct and display remains blank, the internal power supply board or backlight inverter may be faulty and require repair or replacement.
Touch screen does not respond or responds inaccurately
Check whether the touch screen responds at all by observing any visual feedback on screen. Determine if the issue is a complete failure or a calibration drift causing inaccurate touch registration.
Perform a touch screen recalibration via the Windows CE Control Panel or the Siemens Start Center on the panel. If recalibration does not resolve the issue, the resistive touch overlay may be damaged and require replacement.
HMI panel fails to establish communication with the PLC
Verify the Ethernet or PROFIBUS cable is securely connected at both the panel and PLC ends. Check the IP address or PROFIBUS address configured in the HMI project matches the actual PLC settings.
Correct any address mismatches in the WinCC flexible project and retransfer. Replace suspect cables or connectors. Ensure the PLC is in RUN mode and the network switch or hub is functioning correctly.
Panel continuously reboots or freezes during runtime
Check for overheating by verifying the ambient temperature is within the 0 to 50 °C operating range and that ventilation around the panel is adequate. Review the project for memory-intensive screens or scripts.
Reduce ambient temperature and ensure the panel enclosure has adequate ventilation. Optimize the WinCC flexible project to reduce memory load. If the issue persists, the panel may require servicing to inspect internal components.
Project transfer from PC to panel fails
Verify the USB or Ethernet connection between the engineering PC and the panel. Confirm the panel is in transfer mode (accessible via the Siemens Start Center) and that the WinCC flexible version matches the project version.
Switch the panel to transfer mode manually via the Start Center. Use a known-good USB cable or direct Ethernet connection. Ensure Windows Firewall or antivirus software is not blocking the WinCC flexible transfer process.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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