Siemens 6AV6146-2QQ45-0LY4 SIMATIC MP 377

Name: Siemens 6AV6146-2QQ45-0LY4 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-2QQ45-0LY4
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6146-2QQ45-0LY4 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-2QQ45-0LY4 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for high-performance human-machine interface applications in industrial automation environments. This panel operates as a powerful visualization and control unit, offering a large-format display and robust processing capabilities suitable for demanding production environments. It is part of Siemens' SIMATIC HMI MP 377 series, which represents a high-end tier of operator panels within the WinCC flexible ecosystem.

The MP 377 panel 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 supports both touch and key operation, combining a resistive touchscreen with configurable function keys for flexible operator interaction. Communication interfaces include PROFIBUS DP, PROFINET (Ethernet), and MPI, enabling seamless integration with Siemens S7-300 and S7-400 PLCs as well as third-party controllers. The unit runs on Windows CE and supports WinCC flexible as its configuration software, with onboard Flash memory and expandable storage via CompactFlash or USB.

The SIMATIC MP 377 is widely deployed in manufacturing, process automation, energy management, and machine tool industries where large-format, high-resolution visualization is required. Its multi-protocol communication capability makes it suitable for complex plant architectures involving multiple controllers or network segments. The panel's robust industrial design, wide operating temperature range, and IP65 front protection rating make it appropriate for installation in control cabinets exposed to dust and moisture in factory environments.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 pixels
Display Colors	64,000 colors
Display Type	TFT LCD
Touch Technology	Resistive touchscreen
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 40 W
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)
Communication Interface	PROFIBUS DP, PROFINET (Ethernet), MPI, USB
Memory	12 MB user memory (Flash), expandable via CompactFlash
Operating System	Windows CE
Configuration Software	WinCC flexible 2008 or higher
Mounting	Panel mounting
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 040000: Configuration error detected during project download or startup. The project data on the panel is inconsistent or corrupt.
Re-transfer the project from the engineering station using WinCC flexible. Ensure the correct panel type and firmware version are selected before transfer.
Event ID: 060000: Communication connection to the PLC has been lost or cannot be established.
Check PROFIBUS/MPI/PROFINET cabling and termination resistors. Verify PLC address settings match the panel configuration. Restart both the panel and PLC if necessary.
Event ID: 070000: Tag read/write error. The panel cannot access a configured PLC tag.
Verify the tag address in WinCC flexible matches the actual PLC data block or memory area. Check PLC program for address conflicts.
Event ID: 080000: Overflow of the alarm buffer. Too many alarms have been generated and the buffer capacity has been exceeded.
Acknowledge and clear pending alarms. Review alarm configuration to reduce unnecessary alarm triggers. Consider increasing the alarm buffer size in the project settings.
Event ID: 100000: Recipe data error. A recipe transfer to or from the PLC has failed.
Check recipe configuration in WinCC flexible. Verify that the PLC data block referenced by the recipe exists and has sufficient size. Re-transfer the project if necessary.
Event ID: 110000: Script or function execution error. A configured VB script or system function has encountered a runtime error.
Review the script logic in WinCC flexible for syntax or runtime errors. Check that all referenced tags and objects exist in the project.
Event ID: 120000: Storage medium error. The CompactFlash card or USB storage device cannot be accessed.
Check that the CompactFlash card is properly seated and not write-protected. Replace the storage medium if it is faulty. Ensure the file system is not corrupted.

Frequently Asked Questions

Which PLCs are compatible with the SIMATIC MP 377 6AV6146-2QQ45-0LY4?

The MP 377 is primarily designed for use with Siemens S7-300 and S7-400 PLCs via MPI, PROFIBUS DP, or PROFINET. It can also communicate with third-party controllers using OPC or other supported drivers configured in WinCC flexible.

What configuration software is required for this panel?

The MP 377 is configured using Siemens WinCC flexible 2008 or a compatible version. Projects are created on a PC and transferred to the panel via Ethernet, USB, or a data carrier.

What is the supply voltage for the 6AV6146-2QQ45-0LY4?

The panel requires a 24 V DC power supply. Ensure the power source is stable and within the specified tolerance range to avoid operational issues.

Can the MP 377 panel be operated via touch input only?

The MP 377 supports both resistive touchscreen input and physical function keys. It can be operated via touch alone, but the function keys provide additional operator interaction options for specific applications.

What is the front panel protection rating of this unit?

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

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector. Check that the voltage is within the specified tolerance. Inspect the internal fuse if accessible.

Restore the correct 24 V DC supply. If the supply voltage is correct and the display remains blank, the backlight or internal power supply board may be faulty and require replacement.

Panel fails to communicate with the PLC

Verify the communication cable connections on both the panel and PLC side. Check that the bus address, baud rate, and protocol settings in the WinCC flexible project match the PLC configuration. Use diagnostic tools in WinCC flexible to check connection status.

Correct any address or protocol mismatches in the project configuration. Replace damaged cables or connectors. Ensure PROFIBUS termination resistors are correctly placed at both ends of the bus segment.

Touchscreen does not respond or responds inaccurately

Check for physical damage or contamination on the touchscreen surface. Attempt a touchscreen recalibration via the panel's Control Panel settings in Windows CE.

Clean the touchscreen surface with a soft, dry cloth. Perform a recalibration through the Windows CE Control Panel. If the issue persists, the touchscreen overlay or controller board may need replacement.

Project transfer from PC to panel fails

Verify the Ethernet or USB connection between the PC and the panel. Ensure the panel is in transfer mode and that the correct IP address or transfer settings are configured in WinCC flexible.

Set the panel to transfer mode via the Start Center. Confirm the PC and panel are on the same network subnet if using Ethernet. Retry the transfer and check for firewall or antivirus software blocking the connection on the PC.

Panel repeatedly restarts or crashes during operation

Check for overheating by verifying the ambient temperature and ensuring adequate ventilation around the panel. Review the project for script errors or resource-intensive configurations that may cause memory overflow.

Ensure the installation environment does not exceed the maximum operating temperature of 50 °C. Optimize the WinCC flexible project to reduce memory usage. If the issue persists, perform a factory reset and re-transfer the project.

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