Siemens 6AV6446-1BA40-2BB4 MP370

€ 2.495,00

SKU: 6AV6446-1BA40-2BB4 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-1BA40-2BB4 is a Multi Panel MP370 operator panel belonging to the SIMATIC HMI Multi Panel series. It is a high-performance human-machine interface device designed for demanding industrial visualization and control tasks. This unit features a 15-inch TFT display and is part of Siemens' established MP370 family, which supports a wide range of communication and configuration options.

The MP370 (6AV6446-1BA40-2BB4) is equipped with a 15-inch TFT color display with a resolution of 1024 x 768 pixels (XGA), providing clear and detailed process visualization. It supports both touch screen and key operation, offering flexible operator interaction. The panel includes MPI/PROFIBUS DP and Ethernet interfaces for integration into various network topologies, and runs on a Windows CE operating system. It is configured using Siemens WinCC flexible engineering software and supports project memory via CompactFlash card.

The MP370 is widely used in manufacturing automation, process control, and machine building applications across industries such as automotive, food and beverage, chemical processing, and packaging. Its large display size and robust communication capabilities make it suitable for complex SCADA-level visualization at the machine level. The panel is compatible with Siemens SIMATIC S7 PLCs as well as third-party controllers via configurable communication drivers.

Technical Specifications

Display Size	15 inch
Display Type	TFT color
Display Resolution	1024 x 768 pixels (XGA)
Touch Technology	Resistive touch screen with membrane keypad
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Communication Interface	MPI/PROFIBUS DP, Ethernet (RJ45), RS-422/RS-485, USB
Operating System	Windows CE
Configuration Software	WinCC flexible 2004 or higher
Memory	CompactFlash card slot for project and recipe data
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: 1000: Configuration error detected on startup — the loaded project is incompatible with the panel firmware version.
Reload the project using a compatible version of WinCC flexible and ensure firmware is updated to match the project requirements.
Event ID: 10000: Communication connection to the PLC has been interrupted or cannot be established.
Check MPI/PROFIBUS or Ethernet cabling and termination resistors. Verify PLC address settings and communication parameters in the WinCC flexible project.
Event ID: 10001: Tag read error — the panel cannot read a configured tag from the connected controller.
Verify the tag address in the WinCC flexible project matches the actual PLC data block or memory address. Check PLC program for address changes.
Event ID: 20000: System memory low — available RAM on the panel is critically low.
Reduce the number of active screens or objects. Restart the panel to clear memory. Consider simplifying the project structure.
Event ID: 40000: CompactFlash card not detected or read/write error on the memory card.
Reseat the CompactFlash card and ensure it is properly formatted. Replace the card if errors persist. Back up project data before replacement.
Event ID: 50000: Internal panel hardware fault detected, potentially related to the display or backlight driver.
Perform a panel restart. If the fault persists, inspect internal connections and consider returning the unit for repair or replacement of the backlight or display assembly.
Event ID: 70000: Printer communication error — the configured printer cannot be reached.
Check printer connection and configuration settings in WinCC flexible. Verify the correct printer driver is installed on the panel.

Frequently Asked Questions

What display size and resolution does the 6AV6446-1BA40-2BB4 offer?

The MP370 panel features a 15-inch TFT color display with a resolution of 1024 x 768 pixels (XGA), suitable for detailed process visualization.

What communication interfaces are available on this panel?

The panel provides MPI/PROFIBUS DP, Ethernet (RJ45), RS-422/RS-485 serial interfaces, and USB ports for peripheral devices and project transfer.

Which engineering software is required to configure the MP370?

The MP370 is configured using Siemens WinCC flexible software, version 2004 or higher. Projects are transferred to the panel via Ethernet, USB, or CompactFlash card.

Is the MP370 compatible with SIMATIC S7 PLCs?

Yes, the MP370 supports direct communication 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 supply voltage for this panel?

The 6AV6446-1BA40-2BB4 operates on a 24 V DC supply voltage.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the power connector. Verify the backlight is functioning by shining an external light source at the display to check for a faint image.

If supply voltage is correct but display is blank, the backlight inverter or backlight lamp may have failed. Replace the backlight assembly or return the unit for repair. Also check internal fuse integrity.

Touchscreen does not respond or is misaligned

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

Perform a touch screen recalibration through the Windows CE Control Panel. If calibration does not resolve the issue, the touch foil may be damaged and requires replacement.

Panel fails to establish communication with the PLC

Verify MPI or PROFIBUS DP cable connections and check that termination resistors are correctly placed at both ends of the bus. Confirm the panel's bus address does not conflict with other devices.

Correct any address conflicts in the WinCC flexible project settings. Replace or reseat the communication cable. Test with a known-good cable to isolate the fault to the cable or the panel interface.

Project cannot be transferred to the panel

Check the transfer channel settings in WinCC flexible (Ethernet or USB). Ensure the panel is in Transfer mode via the Start Center.

Switch the panel to Transfer mode manually from the Start Center. Verify firewall settings on the engineering PC are not blocking the transfer. Try an alternative transfer medium such as a CompactFlash card.

Panel reboots repeatedly or freezes during operation

Check for overheating by verifying ambient temperature is within the 0 to 50 °C operating range. Inspect the CompactFlash card for errors and check available system memory.

Ensure adequate ventilation around the panel. Replace a faulty CompactFlash card. If the issue persists, perform a firmware update or restore the panel to factory settings and reload the project.

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