Siemens 6AV6446-1CA41-1BA5 SIMATIC MP 370

Name: Siemens 6AV6446-1CA41-1BA5 SIMATIC MP 370
Brand: Siemens
SKU: 6AV6446-1CA41-1BA5
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6446-1CA41-1BA5 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-1CA41-1BA5 is a Multi Panel (MP 370) belonging to the SIMATIC HMI product family. It is a high-performance operator panel designed for demanding visualization and control tasks in industrial automation environments. As part of the SIMATIC MP 370 series, this unit features a 15-inch TFT display and runs on the Windows CE operating system, making it suitable for complex HMI applications.

The MP 370 (6AV6446-1CA41-1BA5) is equipped with a touch-sensitive screen interface and supports a wide range of communication interfaces including MPI, PROFIBUS DP, and Ethernet (TCP/IP), enabling seamless integration with Siemens S7 PLCs and third-party controllers. The panel is powered by a 24 V DC supply and offers substantial onboard memory for project data and runtime applications. It supports WinCC flexible as its configuration software, providing a robust environment for creating sophisticated HMI screens, trends, alarms, and recipes.

The SIMATIC MP 370 is widely deployed in manufacturing, process automation, machine building, and plant engineering applications where a large-format, high-resolution display is required for operator interaction. Its compatibility with PROFIBUS DP and Ethernet networks makes it particularly suitable for integration into distributed control architectures. Industries such as automotive, food and beverage, chemical processing, and packaging commonly utilize this panel for supervisory control and monitoring tasks.

Technical Specifications

Display Size	15 inch
Display Type	TFT color LCD
Display Colors	256 colors
Touch Technology	Resistive touchscreen
Operating System	Windows CE
Input Voltage	24 V DC
Power Consumption	Max. 60 W
Communication Interface	MPI, PROFIBUS DP, Ethernet (TCP/IP), RS-422/485
Configuration Software	WinCC flexible
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: Communication error between HMI panel and PLC. The configured connection to the controller cannot be established or has been lost.
Check physical connections on MPI/PROFIBUS or Ethernet interface. Verify PLC address settings and communication parameters in WinCC flexible project. Ensure PLC is in RUN mode.
Event ID: 10001: Connection to PLC interrupted during runtime. Data exchange has stopped.
Inspect cable connections and network topology. Check for address conflicts on the bus. Restart communication by cycling power on the HMI or reloading the project.
Event ID: 20000: Project download error. Transfer of the WinCC flexible project to the panel failed.
Verify transfer settings (IP address or MPI address) match panel configuration. Ensure the panel is in Transfer mode before initiating download. Check USB or Ethernet cable integrity.
Event ID: 40000: System memory low. Available RAM for runtime operation is critically low.
Reduce project complexity, limit the number of active screens or logged variables. Archive or delete old data logs from the panel memory. Consider increasing external storage.
Event ID: 50000: Touchscreen calibration error. Touch input is not responding accurately or is misaligned.
Perform touchscreen recalibration via the Control Panel in Windows CE. If calibration fails repeatedly, inspect the touchscreen overlay for damage and replace if necessary.
Event ID: 60000: Internal hardware fault detected. A self-diagnostic check has identified a hardware component failure.
Perform a full power cycle. If the fault persists, back up the project and contact a qualified repair technician. The panel may require internal component inspection or replacement.
Event ID: 70000: Configuration file error. The runtime project file is corrupt or incompatible with the installed firmware version.
Reload the project from WinCC flexible. Ensure the WinCC flexible version used for project creation matches the firmware version on the panel. Update firmware if necessary.

Frequently Asked Questions

What communication interfaces does the 6AV6446-1CA41-1BA5 support?

The MP 370 supports MPI, PROFIBUS DP, Ethernet (TCP/IP), and RS-422/485 serial interfaces, allowing connection to a wide range of Siemens S7 PLCs and third-party controllers.

Which configuration software is used to program the SIMATIC MP 370?

The MP 370 is configured using Siemens WinCC flexible. Projects created in WinCC flexible are transferred to the panel via Ethernet, USB, or MPI/PROFIBUS connection.

Is the 6AV6446-1CA41-1BA5 compatible with Siemens S7-300 and S7-400 PLCs?

Yes, the MP 370 is fully compatible with Siemens S7-300 and S7-400 PLCs via MPI or PROFIBUS DP, and also supports S7-1200/1500 connectivity via Ethernet with appropriate driver configuration.

What is the supply voltage for the SIMATIC MP 370?

The panel operates on a 24 V DC supply voltage. Ensure a stable, regulated 24 V DC power source is used to avoid operational issues.

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

The front panel of the MP 370 achieves IP65 protection, making it resistant to dust ingress and low-pressure water jets, suitable for industrial cabinet door mounting.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector. Check that the supply is within the specified range and that the power connector is fully seated. Inspect the internal fuse if accessible.

Restore correct 24 V DC supply voltage. Replace any blown internal fuse with the correct rating. If the backlight has failed, the backlight unit or inverter board may require replacement by a qualified technician.

Touchscreen does not respond or responds inaccurately

Attempt to navigate using an external USB mouse to determine if the issue is isolated to the touchscreen. Check for physical damage or contamination on the touch overlay surface.

Recalibrate the touchscreen via the Windows CE Control Panel under the Stylus or Touch settings. If calibration does not resolve the issue, the resistive touch overlay may need to be replaced.

HMI cannot establish communication with the PLC

Verify the communication cable connections on the MPI, PROFIBUS, or Ethernet port. Check that the PLC address and baud rate configured in the WinCC flexible project match the actual PLC settings. Use a bus diagnostic tool to check for bus errors.

Correct any address or baud rate mismatches in the WinCC flexible project and re-download. Replace faulty communication cables. Ensure terminating resistors are correctly placed on PROFIBUS networks.

Project download fails or transfer is interrupted

Confirm the panel is set to Transfer mode before initiating the download. Verify the IP address or MPI address entered in WinCC flexible matches the panel configuration. Check the integrity of the Ethernet or USB transfer cable.

Set the panel to Transfer mode via the Start Center. Correct the target address in WinCC flexible transfer settings. Use a known-good cable and retry the download. Ensure no firewall or network settings are blocking the transfer.

Panel freezes or restarts unexpectedly during operation

Check the supply voltage for fluctuations or drops under load. Review the alarm and event log on the panel for any recorded system faults prior to the freeze. Assess whether the issue is project-related by testing with a minimal project.

Stabilize the 24 V DC power supply using a UPS or regulated power supply. Optimize the WinCC flexible project to reduce CPU load. Update the panel firmware to the latest compatible version. If the problem persists, the panel may require hardware inspection.

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