Siemens 6AV6446-6DA41-0BY5 SIMATIC MP 377

Name: Siemens 6AV6446-6DA41-0BY5 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6446-6DA41-0BY5
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6446-6DA41-0BY5 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-6DA41-0BY5 is a Multi Panel belonging to the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product line. 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 in harsh industrial environments.

The MP 377 panel 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 touch screen and optional key operation, and is equipped with communication interfaces including PROFIBUS DP, PROFINET (Ethernet), USB, and serial interfaces. The panel offers substantial onboard memory and is compatible with WinCC flexible runtime software, enabling complex HMI applications. It carries an IP65 protection rating on the front face, making it resistant to dust and water ingress.

The SIMATIC MP 377 is widely deployed in manufacturing automation, process industries, energy management, and machine tool applications. Its large display area and robust communication capabilities make it suitable for complex SCADA-level visualization tasks on production lines, packaging machinery, and plant control systems. The panel integrates seamlessly with Siemens S7-300 and S7-400 PLC families as well as third-party controllers via standard protocols.

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 System	Windows CE 6.0
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 50 W
Communication Interface	PROFIBUS DP, PROFINET (Ethernet RJ45), USB, RS-422/485
IP/Protection Rating	IP65 (front), IP20 (rear)
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
Series/Product Family	SIMATIC MP 377

Common Error Codes & System Events

Event ID: 1000000: System startup event; the HMI device has been powered on and the runtime software has initialized.
No action required. Verify that the project loads correctly and communication to the PLC is established.
Event ID: 1000002: Operating system error or runtime software crash detected.
Restart the HMI panel. If the fault persists, reload the project via WinCC flexible or ProSave and check for software corruption.
Event ID: 1000003: Project download error; the project could not be transferred to the panel.
Check the transfer cable or network connection. Ensure the panel is in transfer mode and that the correct IP address or COM port is configured in WinCC flexible.
Event ID: 1000004: Communication loss to PLC; the HMI panel has lost the connection to the configured controller.
Check PROFIBUS or PROFINET cabling and termination resistors. Verify PLC address settings match the HMI project configuration.
Event ID: 1000005: Backup battery low or missing; the internal buffer battery voltage is below threshold.
Replace the internal backup battery with the correct Siemens replacement type. Back up the project before replacement to avoid data loss.
Event ID: 1000006: Internal flash memory or storage card error; data could not be read or written correctly.
Check the memory card seating and condition. Replace the memory card if faulty. Reload the project from the engineering station.
Event ID: 1000007: Screen saver or display backlight fault; the display does not illuminate or remains dark.
Check the 24 V DC supply voltage. If supply is correct, the backlight inverter or CCFL lamp may require replacement by a qualified repair technician.

Frequently Asked Questions

What is the supply voltage for the Siemens 6AV6446-6DA41-0BY5?

The panel operates on 24 V DC. Ensure the power supply is within the specified tolerance range, typically 19.2 V DC to 28.8 V DC.

Which Siemens PLCs are compatible with the MP 377?

The MP 377 is compatible with Siemens S7-300, S7-400, and S7-1500 PLC families via PROFIBUS DP or PROFINET. It can also communicate with third-party controllers using standard serial or Ethernet protocols.

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

The MP 377 is configured using Siemens WinCC flexible 2008 or later. Projects can be transferred to the panel via Ethernet, USB, or PROFIBUS.

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

The front face of the MP 377 carries an IP65 protection rating, making it suitable for environments with dust and water spray. The rear of the unit is rated IP20.

Can the MP 377 be used with WinCC (TIA Portal)?

The MP 377 is primarily designed for WinCC flexible. Limited compatibility with TIA Portal WinCC may be available, but Siemens recommends WinCC flexible 2008 SP5 or later for full functionality with this panel.

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 19.2 V to 28.8 V DC range. Inspect the internal fuse if accessible.

Restore correct supply voltage. If voltage is correct and the display remains blank, the backlight or inverter board may be faulty and requires replacement by a qualified technician.

HMI panel does not communicate with the PLC

Check the PROFIBUS or PROFINET cable connections and verify the bus termination resistors are correctly placed at both ends of the PROFIBUS segment. Confirm the PLC address in the HMI project matches the physical PLC configuration.

Replace or reseat communication cables. Correct the PLC address settings in WinCC flexible and re-download the project. For PROFINET, verify IP address assignments and check for network conflicts.

Touch screen does not respond or is misaligned

Attempt to access the touch calibration utility via the Windows CE Start menu or the SIMATIC HMI control panel. Check for physical damage or contamination on the touch surface.

Recalibrate the touch screen using the built-in calibration tool. Clean the screen surface with a soft, dry cloth. If calibration fails repeatedly, the touch panel overlay may require replacement.

Project fails to load or runtime software crashes on startup

Connect to the panel via ProSave or WinCC flexible and check for project file corruption. Review the event log in the HMI control panel for specific error event IDs.

Re-transfer the project from the engineering station using WinCC flexible. If the issue persists, perform a factory reset using ProSave and reload the operating system image before re-downloading the project.

Panel loses date and time settings after power off

The internal backup battery is likely discharged or missing. Check the battery status in the SIMATIC HMI control panel settings.

Replace the internal buffer battery with the Siemens-specified replacement. After replacement, reset the date and time in the Windows CE control panel and re-download the project if required.

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