
Siemens 6AV6146-3MM40-3KY2 MP 377
€ 2.495,00
The Siemens 6AV6146-3MM40-3KY2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI Multi Panel series, designed for high-performance human-machine interface applications in industrial automation environments. This panel features a 15-inch widescreen TFT display and operates as a standalone visualization unit capable of running WinCC flexible runtime software. It is part of Siemens' SIMATIC HMI product line, which is widely deployed across process and discrete manufacturing sectors.
The MP 377 with part number 6AV6146-3MM40-3KY2 is equipped with a resistive touchscreen and an integrated keyboard, providing flexible operator input options. It supports multiple communication interfaces including PROFIBUS DP, MPI, and Ethernet (PROFINET), enabling integration into a wide range of automation network architectures. The panel runs on a Windows CE operating system and provides substantial onboard memory for project data, alarm logs, and recipe management. It carries protection ratings suitable for front-panel mounting in control cabinets and operator stations.
The MP 377 is commonly used in machine building, automotive manufacturing, food and beverage processing, and chemical plant operations where a large, high-resolution display with robust communication capabilities is required. Its combination of touch and key operation makes it suitable for environments where operators need both quick touch-based navigation and precise key input. The panel's compatibility with SIMATIC S7 PLCs and WinCC flexible engineering software makes it a standard choice for Siemens-based automation systems.
Technical Specifications
| Display Size | 15 inch |
|---|---|
| Display Type | TFT widescreen |
| Display Resolution | 1024 x 768 px |
| Display Colors | 64,000 colors |
| Touch Technology | Resistive touchscreen with membrane keyboard |
| Operating Voltage | 24 V DC |
| Power Consumption | Approx. 40 W |
| Communication Interface | PROFIBUS DP, MPI, Ethernet (PROFINET), USB |
| 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
- Communication error between HMI panel and PLC. The configured connection to the controller cannot be established or has been lost.
Check PROFIBUS/MPI/Ethernet cabling and termination resistors. Verify PLC address settings match the HMI project configuration. Restart both PLC and HMI panel. - Event ID: 10001
- Connection to PLC interrupted during runtime. The HMI lost communication with the configured controller.
Inspect network cables and connectors for damage. Verify PLC is in RUN mode. Check for address conflicts on the network bus. - Event ID: 20000
- Tag read error. The HMI panel cannot read a configured tag from the PLC.
Verify the tag address exists in the PLC program. Check data block numbers and variable addresses in the HMI project. Reload the project if necessary. - Event ID: 40000
- Project download error. Transfer of the HMI project from the engineering PC to the panel failed.
Check the transfer cable or Ethernet connection between PC and panel. Ensure the panel is in Transfer mode. Verify WinCC flexible version compatibility. - Event ID: 50000
- Runtime license missing or invalid. WinCC flexible runtime cannot start due to a missing or expired license.
Check the installed license on the panel via the Control Panel. Transfer a valid WinCC flexible runtime license using the Automation License Manager. - Event ID: 70000
- Internal flash memory error. The panel has detected a fault in the internal storage used for project or recipe data.
Back up any available data, then perform a factory reset via the panel's Control Panel. Reload the HMI project. If the error persists, the panel may require hardware repair or replacement. - Event ID: 30000
- Recipe data error. A recipe record could not be read from or written to storage.
Check available memory on the panel. Verify recipe configuration in WinCC flexible. Clear corrupted recipe data and reload from a backup if available.
Frequently Asked Questions
What display size does the 6AV6146-3MM40-3KY2 have?
The 6AV6146-3MM40-3KY2 features a 15-inch widescreen TFT display with a resolution of 1024 x 768 pixels and 64,000 colors.
What communication interfaces are supported by this MP 377 panel?
This panel supports PROFIBUS DP, MPI, Ethernet (PROFINET), and USB interfaces, allowing integration with a wide range of Siemens SIMATIC controllers and network architectures.
Which engineering software is used to configure the MP 377?
The MP 377 is configured using Siemens WinCC flexible engineering software. The project is then downloaded to the panel via Ethernet or USB.
Is this panel compatible with SIMATIC S7-300 and S7-400 PLCs?
Yes, the MP 377 supports direct communication with SIMATIC S7-300 and S7-400 PLCs via MPI, PROFIBUS DP, or Ethernet, making it a standard pairing in Siemens automation systems.
What is the front panel protection rating of the 6AV6146-3MM40-3KY2?
The front of the panel is rated IP65, providing protection against dust and water jets, making it suitable for panel-mount installation in industrial control cabinets.
Troubleshooting
Display remains blank after power on
Measure the 24 V DC supply voltage at the panel's power connector. Check that the supply is within the specified tolerance. Inspect the power connector for loose or corroded contacts.
Ensure the 24 V DC supply is stable and within specification. Reseat the power connector. If the supply is correct and the display remains blank, the internal power supply board or backlight inverter may require replacement.
HMI panel fails to communicate with the PLC
Check the physical connection on the PROFIBUS, MPI, or Ethernet port. Verify the bus address configured in the HMI project matches the actual PLC address. Use a bus diagnostic tool to check for bus termination or address conflicts.
Correct any address mismatches in the WinCC flexible project and reload it to the panel. Replace damaged cables or connectors. Ensure PROFIBUS bus termination resistors are correctly placed at both ends of the bus.
Touchscreen does not respond or responds inaccurately
Check whether the touchscreen responds at all or only in certain areas. Access the touchscreen calibration utility via the Windows CE Control Panel on the panel.
Recalibrate the touchscreen using the built-in calibration tool in the Control Panel. If calibration does not resolve the issue, the resistive touch overlay may be damaged and require hardware replacement.
Project cannot be transferred to the panel
Verify the panel is set to Transfer mode via the Start Center or Control Panel. Check the Ethernet or USB connection between the engineering PC and the panel. Confirm that the WinCC flexible version on the PC matches the runtime version on the panel.
Switch the panel to Transfer mode before initiating the download. Use a known-good cable. If version mismatches exist, update the WinCC flexible runtime on the panel or use a compatible software version on the engineering PC.
Panel reboots unexpectedly during operation
Check the 24 V DC supply for voltage dips or instability using an oscilloscope or data logger. Review the panel's event log in WinCC flexible for any recorded fault events prior to the reboot.
Stabilize the power supply by adding filtering capacitors or replacing an undersized power supply unit. If the reboots are caused by software faults, reload the HMI project and check for memory overflows or infinite loops in scripts.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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