Siemens 6AV6146-2MN45-0KY2 SIMATIC MP 377

Name: Siemens 6AV6146-2MN45-0KY2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-2MN45-0KY2
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6146-2MN45-0KY2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-2MN45-0KY2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for demanding machine-level visualization and operator control tasks. This panel is part of the MP 377 series, which features a 15-inch widescreen TFT display and is intended for use as a high-performance human-machine interface in industrial automation environments. It operates under the WinCC flexible runtime environment and integrates seamlessly with Siemens SIMATIC controller families.

The MP 377 15" Touch features a 15-inch TFT display with a resolution of 1024 x 768 pixels and 64,000 colors, providing clear and detailed process visualization. It is equipped with a resistive touchscreen interface and supports multiple communication interfaces including PROFIBUS DP and PROFINET/Ethernet, enabling flexible integration into existing network architectures. The panel runs on a 24 V DC supply, includes 12 MB of user memory for project data, and supports Multimedia Card (MMC) and USB interfaces for data transfer and project backup. The robust aluminum front panel provides an IP65 protection rating on the front face, making it suitable for harsh industrial environments.

The SIMATIC MP 377 is widely deployed in machine building, automotive manufacturing, food and beverage processing, and chemical plant operations where reliable and responsive operator interfaces are required. Its large display area and touch operation make it suitable for complex process overviews, recipe management, and alarm logging applications. The panel's compatibility with the broader SIMATIC ecosystem, including S7-300 and S7-400 PLCs, makes it a practical choice for system integrators working within established Siemens automation architectures.

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	Approx. 40 W
User Memory	12 MB
Communication Interface	PROFIBUS DP, PROFINET, Ethernet (RJ45), USB
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
Series/Product Family	SIMATIC MP 377

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 Ethernet 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 a configured tag from the connected controller.
Verify the tag address exists in the PLC program and that the data block or memory area is accessible. Check communication connection status and re-download the HMI project if necessary.
Event ID: 10002: Tag write error. A write operation to a PLC tag has failed.
Check that the target PLC memory area is not write-protected. Verify the tag address and data type match between the HMI project and the PLC program.
Event ID: 20000: Project loading error. The HMI runtime was unable to load the project file from internal memory or external storage.
Re-transfer the project to the panel using WinCC flexible or TIA Portal. Check the integrity of the project file and ensure sufficient free memory on the panel.
Event ID: 40000: System memory low. Available runtime memory on the panel is critically low.
Reduce the number of simultaneously active screens or objects. Optimize the project by reducing image sizes and the number of active tags. Restart the panel if the condition persists.
Event ID: 50000: Alarm buffer overflow. The alarm log has exceeded its configured capacity.
Acknowledge and clear pending alarms. Increase the alarm buffer size in the project configuration or archive alarms to an external storage device.
Event ID: 70000: Recipe data error. An error occurred during reading or writing of recipe data.
Check the recipe configuration in the project. Verify that the associated PLC data blocks are correctly defined and accessible. Re-transfer the project if the recipe structure has changed.

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, as well as other controllers supported via PROFIBUS DP or PROFINET connections. Communication drivers for third-party controllers are also available through WinCC flexible.

What software is used to program and configure the MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 or later. It is not natively supported by TIA Portal WinCC Advanced without a migration step, so WinCC flexible is the primary engineering tool for this panel generation.

What is the display size and resolution of the 6AV6146-2MN45-0KY2?

This panel features a 15-inch TFT display with a resolution of 1024 x 768 pixels (XGA) and supports 64,000 colors.

Does the MP 377 support PROFINET communication?

Yes, the MP 377 includes an integrated PROFINET/Ethernet interface (RJ45) in addition to a PROFIBUS DP interface, allowing flexible integration into both network types.

What is the front panel protection rating of the MP 377?

The front panel of the MP 377 achieves an IP65 protection rating, making it resistant to dust ingress and low-pressure water jets, suitable for installation in industrial control cabinets and machine panels.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel's power connector. Check that the supply is within the specified tolerance. Inspect the panel for any visible damage or blown internal fuse.

Ensure the 24 V DC supply is stable and within specification. If the supply is correct and the display remains blank, the internal power supply board or backlight inverter may be faulty and the panel should be sent for repair or replacement.

Touchscreen does not respond or responds inaccurately

Attempt to recalibrate the touchscreen via the panel's Start Center or Control Panel settings. Check for physical damage, contamination, or excessive pressure on the touch surface.

Perform a touchscreen recalibration through the operating system settings. Clean the touch 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 PROFIBUS or Ethernet cable connections at both the panel and PLC ends. Check that the IP address or PROFIBUS address configured in the HMI project matches the actual PLC settings. Use a network diagnostic tool to confirm connectivity.

Correct any address mismatches in the WinCC flexible project and re-download to the panel. Replace faulty cables or connectors. Ensure PROFIBUS termination resistors are correctly placed at both ends of the bus segment.

Panel repeatedly restarts or crashes during operation

Check the 24 V DC supply for voltage dips or instability under load. Review the system event log on the panel for recurring event IDs. Check for overheating by verifying ambient temperature and ventilation around the panel.

Stabilize the power supply and ensure it has sufficient current capacity. Reduce ambient temperature if overheating is detected. If the issue persists, re-transfer the HMI project to rule out project file corruption, or arrange panel repair.

Project transfer from engineering PC fails

Verify the Ethernet or USB connection between the PC and the panel. Confirm the panel is in Transfer mode via the Start Center. Check that the WinCC flexible version on the PC is compatible with the panel firmware version.

Switch the panel to Transfer mode manually through the Start Center. Use a direct Ethernet connection rather than a network switch if possible. Update the panel firmware if a version mismatch is identified, then retry the project transfer.

Condition	Repair, Used, Refurbished, New in box (sealed)