Siemens 6AV6446-1CA41-2BA5 SIMATIC MP 370

Name: Siemens 6AV6446-1CA41-2BA5 SIMATIC MP 370
Brand: Siemens
SKU: 6AV6446-1CA41-2BA5
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6446-1CA41-2BA5 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-1CA41-2BA5 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 15-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 panel is equipped with a 15-inch TFT color display with a resolution of 1024 x 768 pixels (XGA), supporting up to 65,536 colors for clear process visualization. It features a resistive touch screen interface and includes a membrane keyboard with function keys for flexible operator input. The unit communicates via MPI, PROFIBUS DP, and Ethernet (TCP/IP) interfaces, enabling integration with SIMATIC S7 PLCs and other controllers. It runs on WinCC flexible runtime software and provides sufficient onboard memory for complex visualization projects.

The SIMATIC MP 370 is widely deployed in manufacturing automation, process control, and machine building applications across industries such as automotive, food and beverage, chemical processing, and packaging. Its large display area and multi-protocol communication capability make it suitable for complex machines requiring detailed process overviews and simultaneous monitoring of multiple parameters. The panel's industrial-grade construction and broad PLC compatibility make it a practical choice for both new installations and retrofit projects.

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 (TCP/IP), RS-422/RS-485
Operating System	Windows CE
Runtime Software	WinCC flexible Runtime
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
IP Rating (Rear)	IP20
Mounting	Panel mounting
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 040000: Configuration error detected during project download or startup, indicating a mismatch between the configured hardware and the actual panel.
Verify the project configuration in WinCC flexible matches the target panel type and firmware version. Re-download the project after correcting the configuration.
Event ID: 070000: Communication error on MPI or PROFIBUS DP interface; the panel cannot establish or maintain a connection to the configured PLC.
Check MPI/PROFIBUS cable connections and termination resistors. Verify bus address settings and baud rate match the PLC configuration. Inspect cables for damage.
Event ID: 080000: Ethernet communication error; the panel is unable to reach the configured network node or PLC via TCP/IP.
Verify Ethernet cable connection and IP address configuration on both the panel and the PLC. Check network switch or hub functionality and ensure no IP address conflicts exist.
Event ID: 100000: Tag read/write error; the panel cannot read from or write to a configured PLC tag or data area.
Check that the PLC program is running and the configured data blocks or memory areas exist. Verify tag addresses in the WinCC flexible project are correct.
Event ID: 110000: Overflow of the alarm or event buffer; the number of pending alarms exceeds the configured buffer size.
Acknowledge and clear pending alarms on the panel. Review the alarm configuration in WinCC flexible and increase the alarm buffer size if necessary.
Event ID: 120000: Recipe data error; a recipe transfer to or from the PLC has failed due to a data inconsistency or communication issue.
Check the recipe configuration in WinCC flexible for correct data types and PLC addresses. Retry the recipe transfer and verify PLC data block availability.
Event ID: 060000: System memory low warning; the panel's available runtime memory is critically low, which may cause instability or project execution errors.
Reduce the complexity of the running project, close unnecessary applications, or restart the panel. Consider optimizing the WinCC flexible project to reduce memory usage.

Frequently Asked Questions

What PLC systems is the SIMATIC MP 370 (6AV6446-1CA41-2BA5) compatible with?

The MP 370 is primarily designed for use with Siemens SIMATIC S7-300 and S7-400 PLCs via MPI or PROFIBUS DP. It also supports Ethernet-based communication with S7 PLCs and, through appropriate drivers in WinCC flexible, can connect to third-party controllers.

What software is required to program and configure this panel?

The panel is configured using Siemens WinCC flexible engineering software. The project is then downloaded to the panel via MPI, PROFIBUS, Ethernet, or USB connection.

What is the supply voltage for the 6AV6446-1CA41-2BA5?

The panel operates on 24 V DC. Ensure the power supply is adequately rated for the panel's power consumption of approximately 50 W.

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

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

Can the MP 370 be used as a replacement for older SIMATIC Multi Panel units?

Yes, the MP 370 is designed to be compatible within the SIMATIC HMI Multi Panel family and can often serve as a replacement for earlier MP series panels, provided the WinCC flexible project is updated to match the new hardware configuration.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel's power connector. Check for blown internal fuses. Verify the power supply unit is capable of delivering sufficient current.

Correct any supply voltage issues. Replace any blown fuses with the correct rating. If the backlight has failed, the backlight inverter or the display assembly may require replacement.

Touch screen does not respond or responds inaccurately to input

Check whether the touch screen is physically damaged or contaminated. Attempt to recalibrate the touch screen via the panel's Control Panel settings in Windows CE.

Clean the touch screen surface with a soft, dry cloth. Perform a touch screen recalibration through the Windows CE Control Panel. If calibration fails repeatedly, the touch screen digitizer may be faulty and require replacement.

Panel cannot communicate with the SIMATIC S7 PLC via PROFIBUS DP

Verify the PROFIBUS cable connections at both the panel and the PLC. Check that the bus termination resistors are correctly placed at both ends of the PROFIBUS segment. Confirm that the panel's PROFIBUS address and baud rate match the PLC configuration.

Reseat all PROFIBUS connectors and ensure termination is active only at the physical ends of the bus. Correct any address or baud rate mismatches in the WinCC flexible project and re-download the configuration.

WinCC flexible project fails to download to the panel

Check the communication cable between the engineering PC and the panel (MPI, Ethernet, or USB). Verify that the correct panel type and firmware version are selected in the WinCC flexible project settings.

Ensure the panel is in transfer mode before initiating the download. Update the panel firmware if there is a version mismatch. Try an alternative communication interface if the primary connection is unreliable.

Panel displays 'Connection to PLC interrupted' alarm repeatedly during operation

Monitor the PROFIBUS or MPI bus for communication errors using a bus diagnostic tool. Check for loose connectors, excessive cable lengths, or missing bus termination that could cause intermittent communication failures.

Secure all bus connectors and verify cable integrity. Ensure bus termination is correctly applied. Reduce bus cable length if it exceeds the maximum for the configured baud rate. Check the PLC CPU status to confirm it is in RUN mode.

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