
Siemens 6AV6146-1MN40-0KA1 SIMATIC MP 377
€ 1.995,00
The Siemens 6AV6146-1MN40-0KA1 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 panel is a 19-inch widescreen touch operator panel that provides high-resolution graphical display capabilities and is engineered for integration into Siemens automation systems. It operates as a standalone HMI device capable of running WinCC flexible runtime or SIMATIC WinCC (TIA Portal) projects.
The MP 377 19" Touch features a TFT display with a resolution of 1280 x 1024 pixels and 64,000 colors, delivering clear and detailed process visualization. It is equipped with a resistive touchscreen and supports multiple communication interfaces including PROFIBUS DP, PROFINET/Ethernet (RJ45), USB, and RS-422/485 serial interfaces. The panel runs on Microsoft Windows CE 6.0 and offers 12 MB user memory for project data, along with a CompactFlash card slot for extended storage. The unit operates on a 24 V DC supply and is rated IP65 on the front face for protection against dust and water ingress.
The SIMATIC MP 377 is widely deployed in machine building, process automation, and plant engineering applications across industries such as automotive manufacturing, food and beverage processing, chemical plants, and water treatment facilities. Its large display area makes it particularly suitable for complex process overviews, trend displays, and alarm management on control panels and operator stations. The panel's compatibility with the full SIMATIC controller range, including S7-300, S7-400, and S7-1500 PLCs, makes it a versatile choice for both new installations and system upgrades.
Technical Specifications
| Display Size | 19 inch |
|---|---|
| Display Resolution | 1280 x 1024 pixels |
| Display Colors | 64,000 colors |
| Display Type | TFT LCD |
| Touch Technology | Resistive touchscreen |
| Input/Operating Voltage | 24 V DC |
| Power Consumption | Approx. 60 W |
| Communication Interface | PROFIBUS DP, PROFINET/Ethernet (RJ45), USB 2.0, RS-422/485 |
| User Memory | 12 MB |
| Storage Expansion | CompactFlash card slot |
| Operating System | Windows CE 6.0 |
| IP Rating (Front) | IP65 |
| IP Rating (Rear) | IP20 |
| Operating Temperature | 0 °C to +50 °C |
| Storage Temperature | -20 °C to +60 °C |
| Relative Humidity | 10% to 90% (non-condensing) |
| 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 or PROFINET cable connections and termination resistors. Verify PLC is powered and running. Confirm communication parameters (station address, baud rate) match on both devices. - Event ID: 10001
- Connection to PLC interrupted during runtime. The HMI lost the active communication link.
Inspect network cabling and connectors for damage. Check PLC CPU status. Restart communication by cycling power on the HMI or reloading the project. - Event ID: 20000
- Tag read error. The HMI cannot read the value of a configured tag from the PLC.
Verify the tag address exists in the PLC program and the data block is not protected. Check that the correct PLC type and communication driver are configured in the HMI project. - Event ID: 20001
- Tag write error. The HMI cannot write a value to the configured PLC tag.
Confirm the PLC is not in read-only or protected mode. Verify the tag address and data type match the PLC configuration. Check user authorization settings in the HMI project. - Event ID: 40000
- Project download error. Transfer of the HMI project from the engineering PC to the panel failed.
Ensure the correct transfer channel (Ethernet or USB) is selected and the panel is in transfer mode. Check firewall settings on the PC and verify the IP address configuration. - Event ID: 50000
- System memory low. Available runtime memory on the panel is critically low.
Reduce the number of active screens or archive data. Clear the alarm buffer and trend data. Consider optimizing the project to reduce memory usage or use a CompactFlash card for extended storage. - Event ID: 70000
- Hardware fault detected. An internal hardware component has reported an error during self-diagnostics.
Perform a panel restart. If the fault persists, note the full event ID and contact Siemens technical support or arrange for panel repair and inspection.
Frequently Asked Questions
What is the display size and resolution of the 6AV6146-1MN40-0KA1?
The panel features a 19-inch TFT display with a resolution of 1280 x 1024 pixels and 64,000 colors.
Which communication interfaces are available on the MP 377 19" Touch?
The panel provides PROFIBUS DP, PROFINET/Ethernet (RJ45), USB 2.0, and RS-422/485 serial interfaces, allowing connection to a wide range of Siemens and third-party controllers.
Which Siemens PLCs are compatible with this HMI panel?
The MP 377 is compatible with the SIMATIC S7-300, S7-400, S7-1500, and S7-200 controller families, as well as third-party controllers via configurable communication drivers in WinCC flexible or TIA Portal.
What engineering software is required to program the 6AV6146-1MN40-0KA1?
The panel can be configured using Siemens WinCC flexible 2008 or SIMATIC WinCC in the TIA Portal environment.
What is the front panel protection rating of this unit?
The front face of the MP 377 is rated IP65, providing full protection against dust ingress and protection against low-pressure water jets.
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.
Correct the supply voltage to 24 V DC within the specified range. Replace any blown fuse. If the backlight has failed, the panel will require backlight or display assembly replacement.
Touchscreen does not respond or responds inaccurately
Attempt to recalibrate the touchscreen via the panel's Control Panel settings in Windows CE. Check for physical damage or contamination on the screen surface.
Perform a touchscreen recalibration through the Siemens Start Center or Windows CE Control Panel. Clean the screen surface with a soft, dry cloth. If calibration fails repeatedly, the touch foil or controller board may need replacement.
HMI cannot establish communication with the PLC
Verify the PROFIBUS or PROFINET connection settings in the HMI project match the PLC configuration. Check cable integrity and connector seating. Confirm the PLC is in RUN mode.
Correct any mismatched IP addresses, subnet masks, or PROFIBUS station addresses. Replace damaged cables or connectors. Reload the HMI project after correcting configuration parameters.
Panel freezes or restarts unexpectedly during operation
Check the supply voltage for stability and ripple. Review the alarm and event buffer for system memory or hardware fault events. Inspect the CompactFlash card for errors if one is installed.
Stabilize the 24 V DC power supply and ensure adequate current capacity. Format or replace the CompactFlash card if file system errors are detected. If the issue persists, perform a factory reset and reload the project.
Project transfer from PC to panel fails
Confirm the panel is set to transfer mode via the Siemens Start Center. Verify the Ethernet or USB transfer cable is connected and the PC firewall is not blocking the transfer port.
Set the correct transfer channel on both the panel and the WinCC flexible or TIA Portal project settings. Disable PC firewall temporarily during transfer or add an exception for the Siemens transfer service. Retry the download.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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