
Siemens 6AV6146-4MM40-1KY2 SIMATIC MP 377
€ 2.495,00
The Siemens 6AV6146-4MM40-1KY2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed as a high-performance operator panel for industrial human-machine interface applications. This unit features a 15-inch widescreen TFT display and is part of the MP 377 series, which represents Siemens' advanced multi-panel platform combining visualization and control capabilities in a single device. It is engineered for demanding industrial environments requiring robust and reliable operator interaction.
The MP 377 15" panel is equipped with a resistive touchscreen and an additional membrane keyboard, providing flexible operator input options. It runs on the Windows CE operating system and supports the WinCC flexible runtime environment for advanced visualization projects. Communication interfaces include PROFIBUS DP, PROFINET (Ethernet), and MPI, enabling seamless integration with SIMATIC S7 PLCs and other automation systems. The panel offers 12 MB of user memory for project data and supports USB ports for peripheral connectivity and data transfer. The display delivers a resolution of 1024 x 768 pixels with 64,000 colors, ensuring clear process visualization.
The SIMATIC MP 377 15" is widely deployed in manufacturing automation, process industries, and machine building where large-format operator panels are required. Its compatibility with SIMATIC S7-300 and S7-400 controllers makes it a standard choice for complex process visualization in industries such as automotive, food and beverage, chemical processing, and water treatment. The panel's robust construction and wide operating temperature range make it suitable for installation in industrial control cabinets and harsh production environments.
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 touchscreen |
| Input/Operating Voltage | 24 V DC |
| Power Consumption | Max. 60 W |
| Communication Interface | PROFIBUS DP, MPI, PROFINET (Ethernet 10/100 Mbit/s), 2x USB |
| Memory | 12 MB user memory |
| 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/Protection Rating | IP65 (front), IP20 (rear) |
| Mounting | Panel mounting |
| Certifications | CE, UL, cULus |
| Series/Product Family | SIMATIC HMI MP 377 |
Common Error Codes & System Events
- Event ID: 10000
- Communication error between the HMI panel and the connected PLC or controller. The configured connection cannot be established.
Check PROFIBUS/MPI/PROFINET cabling and connector integrity. Verify the PLC address settings match the HMI project configuration. Confirm the PLC is in RUN mode. - Event ID: 10001
- Connection to the PLC was interrupted during runtime operation.
Inspect network cables and connectors for damage. Check PLC operational status. Verify bus termination resistors are correctly installed on PROFIBUS segments. - Event ID: 40000
- Project download error. The project file could not be transferred to the panel successfully.
Ensure the PC and panel are on the same network or correctly connected via USB/MPI. Verify WinCC flexible version compatibility. Restart the panel and retry the download. - Event ID: 20000
- Tag read/write error. A process tag value could not be read from or written to the PLC.
Verify the tag address in the WinCC flexible project matches the actual PLC data block or memory area. Check PLC program for address conflicts. - Event ID: 50000
- 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 WinCC flexible project. Clear unnecessary data logs or alarm archives stored on the panel. - Event ID: 70000
- Backup/restore error. A project backup or system restore operation has failed.
Check the integrity of the backup file. Ensure sufficient free space on the target storage medium (USB or memory card). Retry the operation with a freshly formatted storage device. - Event ID: 30000
- Alarm logging error. The alarm archive could not be written due to a storage or configuration issue.
Check available storage space on the panel or external memory card. Verify alarm archive settings in the WinCC flexible project configuration.
Frequently Asked Questions
Which PLC families are compatible with the SIMATIC MP 377?
The MP 377 is compatible with SIMATIC S7-300, S7-400, S7-1200, and S7-1500 PLCs via MPI, PROFIBUS DP, or PROFINET interfaces. It can also communicate with S5 PLCs and third-party controllers using appropriate drivers in WinCC flexible.
What software is required to create and download projects to the MP 377?
Projects for the MP 377 are created using Siemens WinCC flexible 2008 or later. The project is transferred to the panel via Ethernet, USB, or MPI/PROFIBUS connection from the engineering PC.
What is the supply voltage for the 6AV6146-4MM40-1KY2?
The panel operates on 24 V DC supply voltage. Ensure the power supply can deliver sufficient current to meet the panel's maximum power consumption of 60 W.
Does the MP 377 support recipe and data logging functions?
Yes, the MP 377 supports recipe management, data logging, and alarm logging within the WinCC flexible runtime environment. Data can be stored internally or on an external USB storage device or memory card.
What is the front panel protection rating of the MP 377?
The front of the panel is rated IP65, making it protected against dust ingress and low-pressure water jets, suitable for installation in industrial control cabinet doors.
Troubleshooting
Display remains blank after power is applied
Measure the 24 V DC supply voltage at the panel's power connector. Check for blown internal fuses or a faulty power supply unit. Verify the power connector is fully seated.
Ensure the 24 V DC supply is stable and within tolerance. Replace any blown fuses. If the power supply is confirmed good and the display remains blank, the backlight inverter or display unit may require replacement.
Touchscreen does not respond or responds inaccurately to touch input
Check if the touchscreen calibration has drifted. Inspect the touchscreen surface for damage, contamination, or moisture ingress around the bezel seal.
Perform a touchscreen recalibration via the panel's Control Panel settings in Windows CE. Clean the touchscreen surface with a soft, dry cloth. If calibration does not resolve the issue, the resistive touch overlay may need replacement.
HMI cannot establish communication with the PLC
Verify the communication cable connections on both the panel and PLC sides. Check that the bus address configured in the HMI project matches the physical PLC address. Use the panel's diagnostic tools to check connection status.
Correct any address mismatches in the WinCC flexible project and re-download. Replace faulty PROFIBUS or Ethernet cables. Ensure PROFIBUS bus termination is correctly applied at both ends of the segment.
Panel reboots unexpectedly or freezes during operation
Check the 24 V DC supply for voltage dips or instability under load. Review the WinCC flexible project for memory-intensive scripts or excessive tag polling rates that may overload the panel CPU.
Stabilize the power supply and ensure adequate current capacity. Optimize the WinCC flexible project by reducing update cycles and script complexity. If the issue persists, perform a panel firmware update or restore the operating system using the Siemens ProSave tool.
Project download fails or times out
Verify the network or USB connection between the engineering PC and the panel. Check that the WinCC flexible version used to create the project is compatible with the panel's firmware version.
Use a direct Ethernet or USB connection rather than a network switch for downloads. Update the panel firmware using ProSave if there is a version mismatch. Ensure Windows Firewall or antivirus software on the PC is not blocking the transfer.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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