Siemens 6AV6446-1CA40-1BA5 SIMATIC MP 370

Name: Siemens 6AV6446-1CA40-1BA5 SIMATIC MP 370
Brand: Siemens
SKU: 6AV6446-1CA40-1BA5
Price: 2995.00 EUR
Availability: InStock

€ 2.995,00

Condition

Clear

SKU: 6AV6446-1CA40-1BA5 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-1CA40-1BA5 is a Multi Panel (MP 370) belonging to the SIMATIC HMI product family, manufactured by Siemens. It is a high-performance operator panel designed for demanding industrial visualization and control tasks, featuring a 15-inch TFT display. As part of the SIMATIC MP 370 series, it bridges the gap between standard operator panels and full PC-based systems, offering robust functionality in a compact panel format.

The MP 370 (6AV6446-1CA40-1BA5) is equipped with a 15-inch TFT color display with a resolution of 1024 x 768 pixels (XGA), supporting up to 65,536 colors. It features a touch-screen interface and runs on Windows CE, supporting WinCC flexible as its configuration software. The panel includes MPI/PROFIBUS DP and Ethernet (10/100 Mbit/s) communication interfaces, enabling integration into a wide range of Siemens automation networks. It is powered by a 24 V DC supply and provides onboard memory for project data storage, along with a CompactFlash card slot for extended memory.

The SIMATIC MP 370 is widely used in manufacturing automation, process control, and machine tool applications where a large, clear display and reliable human-machine interface are required. Its compatibility with SIMATIC S7 PLCs and support for PROFIBUS DP and Industrial Ethernet makes it suitable for automotive, food and beverage, chemical, and general manufacturing industries. The rugged construction and wide operating temperature range allow deployment in demanding industrial environments.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 pixels (XGA)
Display Colors	65,536 colors
Display Type	TFT color LCD
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 50 W
Communication Interface	MPI/PROFIBUS DP, Ethernet 10/100 Mbit/s, RS-422/RS-485, USB
Operating System	Windows CE
Configuration Software	WinCC flexible
Memory 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: 10000: Configuration error detected during project download or startup, indicating a mismatch between the configured and connected PLC type.
Verify the PLC type and communication settings in WinCC flexible. Re-download the project after correcting the configuration.
Event ID: 10001: Communication connection to the PLC has been lost or cannot be established.
Check MPI/PROFIBUS or Ethernet cable connections and network settings. Verify PLC is powered and the correct station address is configured.
Event ID: 20000: System memory is critically low, which may cause instability or project loading failures.
Delete unused project files or temporary data. Consider expanding storage via CompactFlash card. Restart the panel after cleanup.
Event ID: 30000: Operating system error or runtime application crash detected.
Perform a warm restart of the panel. If the issue persists, reload the WinCC flexible runtime software via the panel's bootstrap loader.
Event ID: 40000: Touch screen calibration error; touch input is not responding accurately.
Recalibrate the touch screen via the Control Panel in Windows CE. If calibration fails repeatedly, inspect the touch screen hardware for damage.
Event ID: 50000: CompactFlash card not detected or read/write error on the memory card.
Remove and reinsert the CompactFlash card. Check the card for damage or corruption. Replace the card if errors persist.
Event ID: 60000: Internal hardware fault detected, potentially related to the display backlight or internal power supply.
Check the 24 V DC supply voltage at the panel connector. If the supply is correct, the panel may require internal service or backlight replacement.

Frequently Asked Questions

What configuration software is required for the SIMATIC MP 370 (6AV6446-1CA40-1BA5)?

The MP 370 is configured using Siemens WinCC flexible. The project is created on a PC and downloaded to the panel via MPI, PROFIBUS DP, or Ethernet.

Which PLCs are compatible with the SIMATIC MP 370?

The MP 370 is compatible with the full range of SIMATIC S7 PLCs (S7-200, S7-300, S7-400) via MPI or PROFIBUS DP, as well as S7 PLCs connected over Industrial Ethernet. It also supports third-party PLCs via serial interfaces.

What communication interfaces are available on the 6AV6446-1CA40-1BA5?

The panel provides MPI/PROFIBUS DP (RS-485), Ethernet 10/100 Mbit/s (RJ45), RS-422/RS-485 serial interface, and USB ports for peripherals and data transfer.

Can the memory be expanded on this panel?

Yes, the MP 370 includes a CompactFlash card slot that allows memory expansion for storing project data, recipes, and data logs.

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

The front panel of the SIMATIC MP 370 is rated IP65, making it suitable for environments where dust and water jets may be present.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the panel's power connector. Check whether the status LED indicates any activity. Determine if the backlight has failed while the system is otherwise running.

Ensure the 24 V DC supply is within tolerance. If the supply is correct and the panel shows no signs of booting, the backlight inverter or internal power supply may need replacement. A qualified technician should inspect and replace the faulty component.

Panel fails to communicate with the S7 PLC via PROFIBUS DP

Verify the PROFIBUS cable connections and termination resistors at both ends of the network. Check that the station address configured in WinCC flexible matches the address set on the panel and that bus parameters are consistent.

Correct any address mismatches in the WinCC flexible project and re-download. Ensure proper PROFIBUS termination is applied. Replace the PROFIBUS cable if continuity testing reveals a fault.

Touch screen does not respond or responds inaccurately

Attempt to interact with the touch screen in different areas to determine if the issue is localized. Access the Windows CE Control Panel to check touch screen calibration settings.

Recalibrate the touch screen through the Windows CE Control Panel. If calibration does not resolve the issue, inspect the touch screen overlay for physical damage or contamination. A faulty touch screen assembly may require replacement.

Project download fails or times out

Check the communication interface being used for download (MPI, PROFIBUS, or Ethernet). Verify cable integrity and that the panel is in transfer mode. Confirm PC and panel network settings match.

Set the panel to transfer mode via the Start Center. Ensure the correct communication interface and parameters are selected in WinCC flexible. Replace the communication cable if a hardware fault is suspected.

Panel repeatedly restarts or crashes during runtime

Check available system memory and storage on the panel. Review the event log in WinCC flexible for recurring error event IDs. Inspect the 24 V DC supply for voltage fluctuations.

Delete unnecessary files and clear the temporary folder to free memory. Ensure the power supply is stable and within specification. If instability continues, reload the WinCC flexible runtime via the bootstrap loader or perform a factory reset.

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