Siemens 6AV6446-1CA40-0BA5 SIMATIC MP 370

Name: Siemens 6AV6446-1CA40-0BA5 SIMATIC MP 370
Brand: Siemens
SKU: 6AV6446-1CA40-0BA5
Price: 2995.00 EUR
Availability: InStock

€ 2.995,00

Condition

Clear

SKU: 6AV6446-1CA40-0BA5 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6446-1CA40-0BA5 is a Multi Panel (MP 370) belonging to the SIMATIC HMI family, designed for demanding machine-level and process visualization tasks. This panel features a 15-inch TFT display and operates as a high-performance operator interface within Siemens' WinCC flexible runtime environment. It is part of the SIMATIC HMI Multi Panel series, which bridges the gap between compact operator panels and full PC-based SCADA systems.

The MP 370 is equipped with a 15-inch color TFT display with a resolution of 1024 x 768 pixels (XGA), supporting 64,000 colors for detailed process visualization. It provides a resistive touchscreen interface and includes a membrane keyboard with function keys for flexible operator input. The panel runs on a Windows CE operating system and supports communication via PROFIBUS DP, MPI, and Ethernet interfaces, enabling integration with S7-300, S7-400, and other Siemens PLC families. Onboard memory includes Flash memory for project storage, and the unit supports CompactFlash cards for extended data logging and recipe management.

The SIMATIC MP 370 is widely deployed in manufacturing automation, automotive assembly lines, chemical processing plants, and water treatment facilities. Its large display area and multi-protocol communication capability make it suitable for complex HMI applications requiring simultaneous visualization of multiple process variables. The panel's robust industrial construction and wide operating temperature range allow reliable operation in demanding factory floor environments.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 pixels (XGA)
Display Colors	64,000 colors
Display Type	TFT color LCD
Touch Technology	Resistive touchscreen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Operating System	Windows CE
Communication Interface	PROFIBUS DP, MPI, Ethernet (RJ45)
Memory	12 MB Flash (user memory)
External Storage	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: Communication error between HMI panel and PLC. The configured connection to the controller cannot be established or has been lost.
Check PROFIBUS/MPI/Ethernet cabling and connector integrity. Verify PLC address settings match the HMI project configuration. Confirm the PLC is in RUN mode.
Event ID: 10001: Connection timeout to the configured PLC. The HMI did not receive a response from the controller within the expected time window.
Check network cable and bus termination resistors. Verify baud rate settings on both HMI and PLC. Reduce bus load if multiple devices are connected.
Event ID: 20000: Project download error. Transfer of the WinCC flexible project to the panel was interrupted or failed.
Ensure the transfer cable is correctly connected. Verify the panel is in Transfer mode before initiating download. Check available Flash memory on the panel.
Event ID: 40000: Tag read/write error. A configured tag could not be read from or written to the PLC.
Verify the tag address in WinCC flexible matches the actual PLC data block or memory address. Check PLC program for address conflicts.
Event ID: 50000: Recipe data error. A recipe record could not be read from or written to the configured storage location.
Check CompactFlash card is properly inserted and not write-protected. Verify available storage space. Re-initialize the CompactFlash card if errors persist.
Event ID: 70000: System memory low. Available runtime memory on the panel is critically low, which may cause instability.
Reduce the number of active screens or logged tags. Optimize the WinCC flexible project to reduce memory usage. Consider archiving historical data to CompactFlash.
Event ID: 110000: Illegal system state detected. The panel runtime has encountered an unexpected internal error.
Perform a warm restart of the panel. If the error persists, reload the WinCC flexible project. Contact Siemens technical support if the fault recurs after project reload.

Frequently Asked Questions

Which PLC families are compatible with the SIMATIC MP 370?

The MP 370 supports communication with Siemens S7-300, S7-400, and S7-200 PLC families via MPI, PROFIBUS DP, or Ethernet interfaces. Third-party PLCs can also be connected using supported driver protocols in WinCC flexible.

What software is required to configure and program the MP 370?

The MP 370 is configured using Siemens WinCC flexible software. The project is created on a PC and then transferred to the panel via Ethernet, serial cable, or CompactFlash card.

Does the MP 370 support data logging and recipe management?

Yes, the MP 370 supports data logging and recipe management. Data and recipes can be stored on the internal Flash memory or on an external CompactFlash card for extended capacity.

What is the supply voltage for the 6AV6446-1CA40-0BA5?

The panel operates on 24 V DC supply voltage. Ensure the power supply can deliver sufficient current to meet the panel's maximum power consumption of 60 W.

Can the MP 370 be used in outdoor or harsh environments?

The front face of the MP 370 is rated IP65, providing protection against dust and water jets when correctly panel-mounted. However, it is not rated for direct outdoor exposure and should be installed within an enclosure if used in harsh environments.

Troubleshooting

Display remains blank after power on

Check that 24 V DC supply voltage is present at the power connector. Measure voltage at the panel terminals to confirm correct polarity and adequate current supply.

Verify and correct the power supply voltage and polarity. Replace the power supply if it is not delivering 24 V DC. If supply is correct, the internal power supply board or backlight inverter may require replacement.

Touchscreen does not respond or responds inaccurately

Determine whether the issue is a complete lack of response or positional inaccuracy. A miscalibrated touchscreen will respond but at incorrect coordinates, while a hardware fault will show no response at all.

Perform a touchscreen recalibration via the panel's Control Panel settings in Windows CE. If the touchscreen is completely unresponsive, inspect the touch controller ribbon cable connection. A damaged resistive touch overlay may require physical replacement.

HMI cannot establish communication with the PLC

Check the communication cable type and wiring between the HMI and PLC. Verify the interface settings (MPI address, PROFIBUS address, or IP address) in both the HMI project and the PLC configuration match.

Correct any address mismatches in the WinCC flexible project and re-download to the panel. Replace the communication cable if continuity testing reveals a fault. Ensure bus termination is correctly applied at both ends of a PROFIBUS segment.

Project transfer from PC to panel fails

Confirm the panel is set to Transfer mode before initiating the download. Check the transfer connection type (Ethernet or serial) and verify the PC network settings or COM port configuration.

Switch the panel to Transfer mode via the Start Center menu. Ensure firewall settings on the PC are not blocking the transfer. If using Ethernet, confirm both devices are on the same subnet. Retry the transfer after correcting connection settings.

Panel reboots unexpectedly or freezes during operation

Check the supply voltage for fluctuations or drops under load. Review the WinCC flexible project for excessive tag polling rates or memory-intensive screen configurations that may overload the panel CPU.

Stabilize the 24 V DC supply using a regulated industrial power supply. Optimize the WinCC flexible project by reducing tag update cycles and simplifying complex screens. Update the panel firmware to the latest version compatible with the WinCC flexible project.

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