Siemens 6AV6446-1BA41-0BA3 SIMATIC MP 370

Name: Siemens 6AV6446-1BA41-0BA3 SIMATIC MP 370
Brand: Siemens
SKU: 6AV6446-1BA41-0BA3
Price: 4546.00 EUR
Availability: InStock

€ 4.546,00

Condition

Clear

SKU: 6AV6446-1BA41-0BA3 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-1BA41-0BA3 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 12-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 (6AV6446-1BA41-0BA3) is equipped with a 12" TFT color display with a resolution of 800 x 600 pixels (SVGA), supporting up to 256 colors. It features a resistive touch screen for operator input and includes communication interfaces such as MPI, PROFIBUS DP, and Ethernet (10/100 Mbit/s), enabling seamless integration with Siemens S7-300 and S7-400 PLCs. The panel runs on Windows CE and supports WinCC flexible as its configuration software, providing a flexible and scalable visualization environment. It includes a CompactFlash card slot for additional storage and program backup.

The SIMATIC MP 370 is widely used in the manufacturing, automotive, food and beverage, and chemical processing industries, where it serves as an operator interface on production lines, packaging machines, and process control systems. Its combination of touch operation, multiple communication interfaces, and Windows CE-based runtime environment makes it suitable for complex visualization tasks requiring trend displays, recipe management, and alarm logging. The panel's industrial-grade construction and wide operating temperature range ensure reliable performance in harsh factory floor environments.

Technical Specifications

Display Size	12 inch
Display Resolution	800 x 600 pixels (SVGA)
Display Colors	256 colors
Display Type	TFT color
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 30 W
Communication Interface	MPI, PROFIBUS DP, Ethernet 10/100 Mbit/s, RS-422/485
Operating System	Windows CE
Configuration Software	WinCC flexible
Storage Expansion	CompactFlash card slot
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, cUL

Common Error Codes & System Events

Event ID: 040000: Configuration error detected during startup; the project loaded on the panel contains configuration inconsistencies.
Reload the WinCC flexible project to the panel using the correct software version. Verify project compatibility with the panel firmware version.
Event ID: 060000: Communication error on MPI/PROFIBUS DP interface; connection to the PLC has been lost or cannot be established.
Check MPI/PROFIBUS cable connections and termination resistors. Verify bus address settings on both the panel and PLC. Ensure baud rate settings match.
Event ID: 070000: Ethernet communication error; the panel cannot establish a connection to the configured network node.
Verify Ethernet cable and switch connections. Check IP address configuration on the panel and ensure the target PLC or server is reachable on the network.
Event ID: 080000: Tag read/write error; a configured variable cannot be read from or written to the connected controller.
Check the PLC program to ensure the referenced data blocks and addresses exist. Verify communication link status and PLC operating mode.
Event ID: 100000: Runtime software error or application crash on the Windows CE operating system.
Perform a warm restart of the panel. If the error persists, reload the WinCC flexible runtime project. Consider updating the panel firmware.
Event ID: 110000: Internal memory error; available user memory is insufficient to load or run the configured project.
Reduce the project size by optimizing graphics and scripts. Clear unused data from the CompactFlash card and ensure sufficient free memory is available.
Event ID: 120000: Backup/restore error; a project backup or restore operation via CompactFlash card has failed.
Check the CompactFlash card for errors or replace it. Ensure the card is properly seated and formatted correctly before retrying the operation.

Frequently Asked Questions

Which PLCs are compatible with the SIMATIC MP 370 (6AV6446-1BA41-0BA3)?

The MP 370 is compatible with Siemens S7-300, S7-400, and S7-200 PLCs via MPI or PROFIBUS DP interfaces. Ethernet-based communication with S7 controllers is also supported using the integrated 10/100 Mbit/s Ethernet port.

What software is used to configure the MP 370 panel?

The MP 370 is configured using Siemens WinCC flexible, which must be installed on a Windows-based engineering PC. The project is then transferred to the panel via Ethernet, MPI, or a data card.

What is the operating voltage of the 6AV6446-1BA41-0BA3?

The panel operates on 24 V DC. Ensure the power supply is within the specified tolerance range and is capable of supplying sufficient current for stable operation.

Can the CompactFlash card be used for project backup on this panel?

Yes, the CompactFlash card slot allows for project storage, backup, and restore operations. It can also be used to transfer projects between panels without a PC connection.

What is the front panel protection rating of the MP 370?

The front panel of the MP 370 carries an IP65 protection rating, making it suitable for installation in environments where dust and water spray may be present.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector on the rear of the panel. Check for any blown internal fuses. Observe whether the status LED indicates any activity during boot.

Ensure the 24 V DC supply is within tolerance and the connector is firmly seated. If the supply is correct and the display remains blank, the internal power supply board or backlight inverter may require replacement.

Touch screen does not respond or responds inaccurately

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

Perform a touch screen recalibration via Start > Settings > Control Panel > Touch on the Windows CE interface. If calibration does not resolve the issue, the touch screen overlay may need to be replaced.

Panel fails to communicate with the PLC via PROFIBUS DP

Check the PROFIBUS cable connections, bus termination at both ends, and the bus address configured on the panel. Use a PROFIBUS diagnostic tool to check for bus errors or address conflicts.

Verify that the PROFIBUS address on the panel matches the configuration in the WinCC flexible project. Ensure termination resistors are active only at the two physical ends of the bus segment. Replace the cable if continuity tests fail.

WinCC flexible project fails to transfer to the panel

Check the communication channel settings in WinCC flexible (Ethernet or MPI). Verify the IP address or MPI address of the panel matches the transfer settings. Ensure the panel is in transfer mode.

Place the panel in transfer mode via the Loader screen or Control Panel. Confirm the PC and panel are on the same network subnet for Ethernet transfers. Restart both the PC software and the panel if the connection cannot be established.

Panel repeatedly reboots or freezes during operation

Check for power supply instability by monitoring the 24 V DC input with a multimeter. Review the WinCC flexible project for script errors or excessive memory usage that could cause runtime instability.

Stabilize the 24 V DC power supply and ensure adequate current capacity. Optimize the WinCC flexible project by reducing script complexity and graphic object count. Update the panel firmware to the latest version compatible with the project.

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