Siemens 6AV6446-2AA45-1BY4 SIMATIC MP 377

Name: Siemens 6AV6446-2AA45-1BY4 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6446-2AA45-1BY4
Price: 5429.00 EUR
Availability: InStock

€ 5.429,00

Condition

Clear

SKU: 6AV6446-2AA45-1BY4 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-2AA45-1BY4 is a Multi Panel belonging to the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product family. This panel is a high-performance operator interface device designed for demanding industrial visualization and control tasks. It runs on the Windows CE operating system and is engineered for use as a standalone HMI or integrated into larger SIMATIC automation architectures.

The MP 377 features a 15-inch TFT widescreen 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, offering flexibility in operator interaction. Communication interfaces include PROFIBUS DP, PROFINET (Ethernet), MPI, and USB ports, enabling seamless integration with SIMATIC S7 PLCs and third-party controllers. The panel is equipped with 12 MB user memory for project data and supports Siemens WinCC flexible runtime software for configuration and visualization.

The SIMATIC MP 377 is widely deployed in manufacturing automation, process industries, and machine building applications where robust and reliable HMI solutions are required. Its compatibility with SIMATIC S7-300 and S7-400 PLCs makes it a standard choice for complex machine control panels and supervisory stations in sectors such as automotive, food and beverage, chemical processing, and water treatment.

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
Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Communication Interface	PROFIBUS DP, PROFINET (Ethernet RJ45), MPI, USB
User Memory	12 MB
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
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: Connection to PLC lost or communication timeout detected between the HMI panel and the configured controller.
Check PROFIBUS/MPI/PROFINET cabling and termination resistors. Verify PLC is powered and running. Check configured communication parameters in WinCC flexible project.
Event ID: 10001: Communication error on the configured connection; the controller is not responding within the expected time frame.
Verify network address settings and baud rate configuration. Inspect cable integrity and connector seating. Restart both the HMI panel and the PLC.
Event ID: 20000: Project download failed or project data could not be loaded from memory.
Re-transfer the project using WinCC flexible via USB or Ethernet. Check available user memory and ensure the project file is not corrupted.
Event ID: 40000: Tag value limit violation; a process tag has exceeded its configured high or low limit.
Check the process value at the PLC. Verify tag limit configuration in the WinCC flexible project. Acknowledge the alarm on the HMI.
Event ID: 70010: System memory low; available runtime memory on the HMI panel is critically low.
Reduce the number of active screens or logged data. Restart the HMI panel. Consider optimizing the WinCC flexible project to reduce memory usage.
Event ID: 110000: Recipe data error; recipe record could not be read or written correctly.
Check recipe configuration in the WinCC flexible project. Verify storage media integrity. Re-transfer the project and test recipe operations.
Event ID: 130000: Data log error; the HMI was unable to write to the configured data log or trend buffer.
Check available storage space on the panel or connected memory card. Verify data log configuration in WinCC flexible. Clear old log files if storage is full.

Frequently Asked Questions

Which PLCs are compatible with the SIMATIC MP 377?

The MP 377 is compatible with Siemens SIMATIC S7-300, S7-400, S7-1200, and S7-1500 PLCs via MPI, PROFIBUS DP, or PROFINET. It also supports communication with third-party controllers using OPC or standard Ethernet protocols.

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

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

What is the input voltage for the 6AV6446-2AA45-1BY4?

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 data logging and trending?

Yes, the MP 377 supports data logging, trend displays, and alarm logging within WinCC flexible runtime. Logs can be stored in internal memory or on an external memory card.

Can the MP 377 be used with a Compact Flash or memory card?

Yes, the SIMATIC MP 377 includes a Compact Flash card slot that can be used for project storage, data logging, and recipe management.

Troubleshooting

Display remains blank after power on

Measure 24 V DC supply voltage at the panel's power connector. Check that the supply polarity is correct and that the supply can deliver sufficient current.

Correct any wiring or polarity issues. If supply voltage is correct and display remains blank, the internal backlight or power supply board may be faulty and require replacement.

Touchscreen does not respond or responds inaccurately

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

Clean the touch surface with a soft, dry cloth. Perform a touchscreen calibration from the Windows CE Control Panel. If the issue persists, the touch overlay may need to be replaced.

HMI cannot establish communication with the PLC

Verify the communication cable type and wiring for the selected interface (MPI, PROFIBUS, or PROFINET). Check that the HMI project settings match the PLC address and baud rate.

Correct any wiring faults and ensure proper termination on PROFIBUS networks. Update the communication parameters in the WinCC flexible project and re-download to the panel.

Panel freezes or restarts unexpectedly during operation

Check the 24 V DC supply for voltage drops or ripple under load. Review the system event log in WinCC flexible for recurring event IDs indicating memory or software faults.

Stabilize the power supply and ensure adequate current capacity. Optimize the WinCC flexible project to reduce memory load. If the issue persists, perform a factory reset and re-transfer the project.

Project transfer via USB or Ethernet fails

Verify that the PC running WinCC flexible and the MP 377 are on the same network subnet for Ethernet transfer. For USB, check that the correct transfer cable and driver are installed.

Set the panel to Transfer mode via the Start Center before initiating the download. Confirm network settings and firewall exceptions on the PC. Retry the transfer using a known-good USB cable or direct Ethernet connection.

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