Siemens 6AV6446-1BA41-0BA4 SIMATIC MP 370

Name: Siemens 6AV6446-1BA41-0BA4 SIMATIC MP 370
Brand: Siemens
SKU: 6AV6446-1BA41-0BA4
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6446-1BA41-0BA4 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-1BA41-0BA4 is a Multi Panel (MP 370) belonging to the SIMATIC HMI Multi Panel series by Siemens. It is a high-performance operator panel designed for demanding visualization and control tasks in industrial automation environments. The MP 370 features a 12-inch TFT display and is built to integrate seamlessly with Siemens SIMATIC S7 controllers and other compatible automation systems.

The 6AV6446-1BA41-0BA4 variant is equipped with a 12.1-inch TFT color display with a resolution of 800 x 600 pixels (SVGA) and supports touch screen operation. It runs on the Windows CE operating system and is configurable using Siemens WinCC flexible engineering software. The panel provides multiple communication interfaces including MPI, PROFIBUS DP, and Ethernet (TCP/IP), enabling flexible integration into existing network architectures. It includes 12 MB of user memory for project data and supports CF card slots for extended storage.

The SIMATIC MP 370 is widely used in machine building, automotive manufacturing, food and beverage processing, and chemical industries where a robust and versatile HMI solution is required. Its large display area and multi-protocol communication capability make it suitable for complex SCADA-level visualization at the machine level. The panel's industrial-grade construction and broad operating temperature range ensure reliable operation in harsh production environments.

Technical Specifications

Display Size	12.1 inch
Display Resolution	800 x 600 pixels (SVGA)
Display Colors	256 colors
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 30 W
Communication Interface	MPI, PROFIBUS DP, Ethernet (TCP/IP), RS-422/485
Memory	12 MB user memory
Operating System	Windows CE
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 panel)
Mounting	Panel mounting
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC HMI Multi Panel (MP 370)

Common Error Codes & System Events

Event ID: 10000: Communication error between HMI panel and PLC controller
Check MPI/PROFIBUS cable connections and termination resistors. Verify the configured station address matches the PLC settings. Restart the communication connection.
Event ID: 10001: Connection to PLC interrupted or timeout occurred
Verify the physical network connection and cable integrity. Check PLC operating mode and ensure it is in RUN state. Review the configured communication parameters in WinCC flexible.
Event ID: 20000: Project download error or project data corrupted
Re-transfer the project from the engineering PC using WinCC flexible. Ensure the project version is compatible with the panel firmware version. Check the transfer cable or Ethernet connection used for download.
Event ID: 40000: System memory low or insufficient memory for project execution
Reduce the project size by removing unused screens or tags. Clear unnecessary data from the CF card. Consider upgrading to a panel with larger user memory if the project requirements exceed capacity.
Event ID: 50000: CF card not detected or read/write error on CF card
Remove and re-insert the CF card. Verify the CF card is formatted correctly (FAT16/FAT32). Replace the CF card if errors persist.
Event ID: 70000: Firmware update failed or firmware version mismatch
Re-initiate the firmware update using ProSave or WinCC flexible. Ensure the correct firmware version for the MP 370 panel is used. Do not power off the panel during the firmware update process.
Event ID: 30000: Tag or variable update error — value could not be read from PLC
Check that the PLC data block and address referenced in the HMI project exist and are accessible. Verify the tag configuration in WinCC flexible matches the PLC program structure.

Frequently Asked Questions

What communication interfaces does the 6AV6446-1BA41-0BA4 support?

The MP 370 supports MPI, PROFIBUS DP, Ethernet (TCP/IP), and RS-422/485 interfaces, allowing connection to a wide range of Siemens S7 PLCs and third-party controllers.

Which engineering software is used to configure this panel?

The panel is configured using Siemens WinCC flexible, which provides a comprehensive environment for creating HMI projects, managing tags, and transferring projects to the panel.

Is the MP 370 compatible with SIMATIC S7-300 and S7-400 PLCs?

Yes, the MP 370 is fully compatible with SIMATIC S7-300 and S7-400 PLCs via MPI or PROFIBUS DP, and also supports Ethernet-based communication with S7 controllers.

What is the display size and resolution of this panel?

The 6AV6446-1BA41-0BA4 features a 12.1-inch TFT color display with a resolution of 800 x 600 pixels (SVGA).

Does this panel support external storage expansion?

Yes, the MP 370 includes a CompactFlash (CF) card slot that can be used for extended project storage, data logging, and recipe management.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector. Check the internal fuse and verify the power supply unit is functioning correctly.

Ensure the 24 V DC supply is within tolerance. Replace the internal fuse if blown. If the backlight is faulty, the backlight inverter or the display assembly may need replacement.

Touch screen does not respond or responds inaccurately

Check if the touch screen is physically damaged or contaminated. Attempt to recalibrate the touch screen through the panel's Start Center or Control Panel settings.

Clean the touch screen surface with a soft, dry cloth. Recalibrate the touch screen via the Windows CE Control Panel. If calibration fails repeatedly, the touch screen overlay may need replacement.

HMI cannot establish communication with the PLC

Verify the MPI or PROFIBUS cable is correctly connected and terminated. Check the station address configured on the HMI matches the PLC network settings.

Correct any address conflicts and ensure proper bus termination at both ends of the cable. Re-download the project with corrected communication parameters using WinCC flexible.

Project transfer from PC to panel fails

Check the transfer cable connection (USB, Ethernet, or serial). Ensure the panel is set to Transfer mode via the Start Center and that the PC firewall is not blocking the connection.

Switch the panel to Transfer mode manually. Disable any PC firewall temporarily during transfer. Use ProSave to perform the transfer if WinCC flexible transfer fails.

Panel repeatedly reboots or freezes during operation

Check for overheating by verifying ambient temperature and ensuring ventilation slots are not blocked. Review the project for memory overload or infinite script loops.

Ensure the operating environment is within the 0 °C to +50 °C range. Optimize the project by reducing screen complexity and script execution load. Update the panel firmware to the latest compatible version.

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