Siemens 6AV6446-3BA40-0BY4 SIMATIC MP 370

Name: Siemens 6AV6446-3BA40-0BY4 SIMATIC MP 370
Brand: Siemens
SKU: 6AV6446-3BA40-0BY4
Price: 2995.00 EUR
Availability: InStock

€ 2.995,00

Condition

Clear

SKU: 6AV6446-3BA40-0BY4 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-3BA40-0BY4 is a Multi Panel (MP 370) belonging to the SIMATIC HMI family, designed for demanding machine-level visualization and operator control tasks. This panel features a 15-inch TFT display and is part of Siemens' high-performance Multi Panel series, which bridges the gap between standard operator panels and full PC-based systems. It is engineered for use in industrial environments where robust, reliable human-machine interface functionality is required.

The MP 370 (6AV6446-3BA40-0BY4) is equipped with a 15" TFT color display with a resolution of 1024 x 768 pixels (XGA), supporting up to 256 colors. It features a touch screen interface and runs on WinCC flexible runtime software, enabling complex visualization projects. The panel includes MPI/PROFIBUS DP and Ethernet communication interfaces, allowing integration into a wide range of Siemens automation networks. It operates on a 24 V DC supply and offers a CompactFlash card slot for project storage and data logging, along with USB ports for peripheral connectivity.

The SIMATIC MP 370 is widely deployed in machine building, automotive manufacturing, food and beverage processing, and general factory automation. Its large display area and multi-protocol communication capability make it suitable for complex process visualization on standalone machines as well as networked production lines. The panel's compatibility with SIMATIC S7 PLCs and WinCC flexible engineering software makes it a practical choice for system integrators working within the Siemens automation ecosystem.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 pixels (XGA)
Display Type	TFT Color
Display Colors	256 colors
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Communication Interface	MPI/PROFIBUS DP, Ethernet (RJ45), RS-422/RS-485
Memory	CompactFlash card slot for project storage
Operating System	Windows CE
Software	WinCC flexible runtime
USB Ports	2 x USB
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

Common Error Codes & System Events

Event ID: 10000: Communication error between the HMI panel and the connected PLC. The configured connection cannot be established.
Check MPI/PROFIBUS or Ethernet cable connections. Verify PLC address settings and communication parameters in WinCC flexible. Ensure the PLC is powered and in RUN mode.
Event ID: 10001: Connection to the PLC was interrupted during runtime operation.
Check physical communication cables and connectors. Verify network configuration and PLC status. Restart the HMI panel and re-establish the connection.
Event ID: 20000: Project download error. The project could not be transferred to the panel.
Verify the transfer settings in WinCC flexible match the panel's IP or MPI address. Ensure the panel is in transfer mode and the communication cable is properly connected.
Event ID: 40000: Tag read/write error. A configured tag could not be read from or written to the PLC.
Check that the PLC data block and address referenced in the WinCC flexible project exist and are accessible. Verify PLC program is running and the tag address is correct.
Event ID: 50000: System memory low. The panel's available runtime memory is insufficient for the current project.
Reduce the number of active screens or objects in the WinCC flexible project. Check for memory leaks in scripts. Consider optimizing the project structure.
Event ID: 60000: CompactFlash card error. The storage card is not detected or cannot be accessed.
Remove and reinsert the CompactFlash card. Verify the card is formatted correctly (FAT). Replace the CompactFlash card if the error persists.
Event ID: 70000: Backup/restore error. A project backup or restore operation failed.
Ensure the CompactFlash card has sufficient free space and is not write-protected. Retry the backup or restore operation. Replace the card if errors continue.

Frequently Asked Questions

What communication interfaces does the 6AV6446-3BA40-0BY4 support?

The MP 370 supports MPI/PROFIBUS DP, Ethernet (RJ45), and RS-422/RS-485 serial interfaces, enabling connectivity to SIMATIC S7 PLCs and other compatible controllers.

Which engineering software is used to program this panel?

The 6AV6446-3BA40-0BY4 is programmed using Siemens WinCC flexible, which allows creation and download of visualization projects to the panel.

What is the display size and resolution of this panel?

The panel features a 15-inch TFT color display with a resolution of 1024 x 768 pixels (XGA).

Is the 6AV6446-3BA40-0BY4 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, PROFIBUS DP, or Ethernet communication interfaces.

What is the front panel protection rating of this HMI?

The front panel of the MP 370 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 on

Check the 24 V DC supply voltage at the power connector. Verify that the supply is within the specified range and that the panel's power LED is illuminated.

Ensure the 24 V DC supply is stable and correctly wired. If the supply is confirmed good but the display remains blank, the internal backlight or power supply board may require replacement.

HMI panel fails to communicate with the PLC

Check the communication cable between the panel and PLC. Verify MPI or PROFIBUS address settings on both the panel and PLC match the WinCC flexible project configuration.

Replace or reseat the communication cable. Correct any address mismatches in the WinCC flexible project settings. Ensure the PLC is powered and in RUN mode before starting the HMI.

Touch screen does not respond or responds inaccurately

Attempt to recalibrate the touch screen through the panel's Control Panel settings. Check for physical damage or contamination on the screen surface.

Perform a touch screen calibration via the Windows CE Control Panel. Clean the screen surface with a soft, dry cloth. If calibration does not resolve the issue, the touch screen overlay may need replacement.

Project cannot be downloaded to the panel

Verify that the panel is set to transfer mode and that the correct communication interface and address are configured in WinCC flexible transfer settings.

Switch the panel to transfer mode via the Start Center. Confirm the IP address or MPI address matches the WinCC flexible project transfer settings. Check the Ethernet or MPI cable connection and retry the download.

CompactFlash card not recognized by the panel

Remove the CompactFlash card and inspect the card slot for bent pins or debris. Test the card in a card reader to verify it is functional and correctly formatted.

Reformat the CompactFlash card to FAT file system if necessary. Reinsert the card firmly into the slot. If the card is still not recognized, replace it with a compatible CompactFlash card.

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