Siemens 6AV6146-1QQ00-0LY4 SIMATIC MP 377

Name: Siemens 6AV6146-1QQ00-0LY4 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-1QQ00-0LY4
Price: 3495.00 EUR
Availability: InStock

€ 3.495,00

Condition

Clear

SKU: 6AV6146-1QQ00-0LY4 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-1QQ00-0LY4 is a Multi Panel belonging to the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product family. This high-performance operator panel is designed for demanding visualization and control tasks in industrial automation environments. It runs on the Windows CE operating system and is engineered to interface seamlessly with Siemens SIMATIC PLCs as well as third-party controllers.

The MP 377 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 touch screen and an integrated membrane keyboard for flexible operator input. The panel includes multiple communication interfaces such as PROFIBUS DP, PROFINET (Ethernet), USB, and serial ports, enabling integration into a wide range of network architectures. With 64 MB RAM and 64 MB flash memory, it supports complex HMI projects configured via Siemens WinCC flexible software.

The SIMATIC MP 377 is widely used in the manufacturing, automotive, chemical, food and beverage, and water treatment industries. Its robust construction, wide operating temperature range, and high IP rating make it suitable for installation in control cabinets and harsh industrial environments. The panel's versatile communication capabilities and processing power make it appropriate for applications requiring simultaneous visualization of multiple process variables and integration with distributed control systems.

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 touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Memory (RAM)	64 MB
Memory (Flash)	64 MB
Communication Interface	PROFIBUS DP, PROFINET (Ethernet RJ45), USB, RS-422/RS-485
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
Mounting	Panel mounting
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC MP 377

Common Error Codes & System Events

Event ID: 10000: Connection to the PLC could not be established or was interrupted during runtime.
Check PROFIBUS or PROFINET cabling and termination resistors. Verify PLC address settings and ensure the PLC is in RUN mode. Check network configuration in WinCC flexible project.
Event ID: 10001: Communication timeout with the configured controller. No data exchange occurring.
Verify the communication driver settings and PLC address. Check physical connection and cable integrity. Restart the HMI panel and PLC if necessary.
Event ID: 20000: Project loading error. The HMI project could not be loaded from flash memory.
Re-transfer the WinCC flexible project to the panel via Ethernet or USB. Check project file integrity in WinCC flexible engineering software.
Event ID: 40000: System memory low. Available RAM is insufficient for current project execution.
Reduce the complexity of the HMI project, decrease the number of active screens or logged variables. Restart the panel to free memory.
Event ID: 50000: Tag value acquisition error. A configured tag cannot be read from the controller.
Verify the tag address in the WinCC flexible project matches the PLC data block structure. Check PLC program for correct data block definitions.
Event ID: 70000: Recipe data error. Recipe records could not be read from or written to storage.
Check available flash memory space. Verify recipe configuration in WinCC flexible. Re-transfer the project if recipe data is corrupted.
Event ID: 110000: Alarm logging error. Alarm buffer is full or alarm log file cannot be written.
Clear the alarm log buffer on the panel. Check available storage space. Adjust alarm logging settings in the WinCC flexible project to limit buffer size.

Frequently Asked Questions

What configuration software is required for the SIMATIC MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 or later. Projects are transferred to the panel via Ethernet, USB, or a memory card.

Which communication protocols does the 6AV6146-1QQ00-0LY4 support?

The panel supports PROFIBUS DP, PROFINET via Ethernet (RJ45), USB, and serial communication via RS-422/RS-485, allowing connection to a wide range of Siemens and third-party controllers.

What is the supply voltage for this panel?

The MP 377 operates on 24 V DC with a maximum power consumption of approximately 60 W.

Is the MP 377 compatible with SIMATIC S7-300 and S7-400 PLCs?

Yes, the MP 377 natively supports communication with SIMATIC S7-300 and S7-400 PLCs via PROFIBUS DP or PROFINET, as well as S7-1200 and S7-1500 via PROFINET.

What is the front panel protection rating of this HMI?

The front panel of the MP 377 carries an IP65 protection rating, making it suitable for installation in environments where dust and water jets may be present.

Troubleshooting

Display remains blank after power is applied

Measure 24 V DC supply voltage at the power connector. Check the internal fuse and verify the power supply unit is delivering stable voltage within tolerance.

Ensure the supply voltage is within the 24 V DC nominal range (typically 19.2–28.8 V DC). Replace the internal fuse if blown. If the backlight is faulty, the display assembly or inverter board may require replacement.

Touch screen does not respond or registers incorrect input positions

Check for physical damage or contamination on the touch screen surface. Verify that the touch screen calibration has not been corrupted.

Perform a touch screen recalibration via the Windows CE Control Panel on the panel. Clean the screen surface with a soft, dry cloth. If the issue persists, the touch screen digitizer may need replacement.

Panel fails to communicate with the PLC via PROFIBUS

Check PROFIBUS cable wiring, connector pin assignments, and termination resistors at both ends of the bus segment. Verify the panel's PROFIBUS address matches the project configuration.

Correct any wiring faults and ensure termination resistors are active only at the physical ends of the PROFIBUS segment. Confirm the PROFIBUS address in the WinCC flexible project and on the panel's startup screen match.

HMI project does not start automatically after panel reboot

Check the panel's startup settings in the Windows CE Control Panel under the Siemens HMI loader. Verify the project file is present and intact in the flash memory.

Re-transfer the WinCC flexible project to the panel. Ensure the HMI loader is configured to start the project automatically on boot. Check available flash memory space and delete unnecessary files if storage is full.

Panel display shows distorted colors or flickering

Inspect the display cable connections internally for looseness or damage. Check the operating temperature to ensure it is within the specified range of 0 °C to +50 °C.

Reseat internal display ribbon cables if accessible. If the panel is operating above the rated temperature, improve cabinet ventilation or add cooling. A persistently faulty display may require replacement of the TFT display module.

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