Siemens 6AV6446-1CA41-1BB5 SIMATIC MP 370

Name: Siemens 6AV6446-1CA41-1BB5 SIMATIC MP 370
Brand: Siemens
SKU: 6AV6446-1CA41-1BB5
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6446-1CA41-1BB5 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-1CA41-1BB5 is a Multi Panel (MP 370) belonging to the SIMATIC HMI family, designed for demanding machine-level and process visualization tasks. This unit features a 15-inch TFT color display and is part of Siemens' high-performance operator panel series, intended for use as a standalone HMI or in combination with SIMATIC PLCs. It provides a robust platform for complex visualization, data logging, and operator control in industrial environments.

The MP 370 (6AV6446-1CA41-1BB5) is equipped with a touch-sensitive screen interface and supports multiple communication interfaces including MPI, PROFIBUS DP, and Ethernet, enabling flexible integration into existing automation architectures. It runs on the Windows CE operating system and supports WinCC flexible runtime software for project configuration and execution. The panel offers substantial onboard memory for project data and recipes, and supports USB and CompactFlash interfaces for data transfer and storage expansion. Its rugged front panel construction meets IP65 protection rating, making it suitable for direct panel mounting in industrial cabinets.

The SIMATIC MP 370 is widely deployed in manufacturing, automotive, food and beverage, and chemical processing industries where a large-format, high-resolution display is required for complex process visualization. It is commonly used on machine control panels, packaging lines, and process control stations where operators need to monitor multiple parameters simultaneously. The combination of touch operation, broad communication support, and Windows CE-based flexibility makes it well suited for applications requiring both visualization and data management functions.

Technical Specifications

Display Size	15 inch
Display Type	TFT color LCD
Display Resolution	1024 x 768 px (XGA)
Display Colors	64,000 colors
Touch Technology	Resistive touchscreen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Operating System	Windows CE
Communication Interface	MPI, PROFIBUS DP, Ethernet (10/100 Mbit/s), RS-422/485
Memory	12 MB user memory (project)
Storage Interfaces	USB, CompactFlash
IP/Protection Rating	IP65 (front panel)
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 HMI Multi Panel MP 370

Common Error Codes & System Events

Event ID: 10000: Configuration error detected during project load. The project file may be corrupted or incompatible with the installed runtime version.
Reload the project using WinCC flexible. Verify that the runtime version on the panel matches the version used during project compilation.
Event ID: 10001: Communication connection to the PLC has been lost or cannot be established.
Check MPI/PROFIBUS/Ethernet cabling and connector integrity. Verify PLC address settings and communication parameters in the project configuration.
Event ID: 10002: Tag read/write error. A configured variable could not be read from or written to the connected controller.
Verify the PLC address and data block configuration. Ensure the tag address in the HMI project matches the actual PLC memory location.
Event ID: 10003: Recipe data error. A recipe record could not be read or written correctly.
Check available storage memory on the panel. Verify recipe configuration and ensure the target storage medium (CompactFlash or internal memory) is accessible.
Event ID: 10004: System memory low. Available runtime memory is insufficient for the current project.
Reduce the project size, limit the number of open screens, or clear unnecessary data logs and archived data from the panel memory.
Event ID: 10005: Backup battery low or missing. The real-time clock and retained data may be lost on power failure.
Replace the internal backup battery. Refer to the MP 370 operating instructions for the correct battery type and replacement procedure.
Event ID: 10006: Touchscreen calibration error. Touch input is misaligned or not responding correctly.
Perform a touchscreen recalibration via the Control Panel in Windows CE. If the issue persists, inspect the touchscreen overlay for damage.

Frequently Asked Questions

What communication interfaces are available on the 6AV6446-1CA41-1BB5?

The MP 370 supports MPI, PROFIBUS DP, Ethernet (10/100 Mbit/s), and RS-422/485 serial interfaces, allowing connection to a wide range of Siemens and third-party controllers.

Which software is used to configure and program this HMI panel?

The panel is configured using Siemens WinCC flexible software. The compiled project is then transferred to the panel via Ethernet, USB, or a direct serial connection.

Is the 6AV6446-1CA41-1BB5 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 can also communicate with S7-400 via Ethernet using the appropriate communication drivers.

What is the display size and resolution of this panel?

The 6AV6446-1CA41-1BB5 features a 15-inch TFT color display with a resolution of 1024 x 768 pixels (XGA) and supports up to 64,000 colors.

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

The front panel of the MP 370 meets IP65 protection, making it resistant to dust ingress and low-pressure water jets, suitable for direct mounting in industrial control cabinets.

Troubleshooting

Panel display remains blank after power is applied

Measure the 24 V DC supply voltage at the power connector on the rear of the panel. Check that the voltage is within the specified tolerance. Inspect the internal fuse if accessible.

Correct the supply voltage if out of range. If voltage is correct and the display remains blank, the backlight inverter or internal power supply board may require replacement.

Touchscreen does not respond or responds inaccurately to touch input

Attempt to recalibrate the touchscreen via the Windows CE Control Panel. Check for physical damage, contamination, or delamination of the touch overlay.

Perform a full touchscreen recalibration. If calibration does not resolve the issue, the resistive touch overlay may need to be replaced.

Communication with the PLC cannot be established

Verify all cable connections on the MPI, PROFIBUS, or Ethernet port. Check the bus address settings on both the panel and the PLC. Use a bus diagnostic tool to check for bus termination and address conflicts.

Correct any address conflicts or termination issues. Replace damaged cables or connectors. Ensure the communication driver and baud rate settings in the WinCC flexible project match the PLC configuration.

Project fails to load or runtime crashes after startup

Check the project file integrity by reloading from the source using WinCC flexible. Verify that the WinCC flexible runtime version installed on the panel is compatible with the project version.

Transfer a freshly compiled project to the panel. If the runtime software is corrupted, perform a panel restore using the Siemens ProSave tool and reinstall the runtime image.

Real-time clock loses time after power is removed

The internal backup battery maintains the real-time clock when main power is off. A loss of time indicates the battery is depleted or missing.

Replace the internal backup battery with the correct type as specified in the MP 370 operating manual. After replacement, reset the clock via the Windows CE Control Panel.

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