Siemens 6AV6146-3MM40-0KY2 SIMATIC MP 370

Name: Siemens 6AV6146-3MM40-0KY2 SIMATIC MP 370
Brand: Siemens
SKU: 6AV6146-3MM40-0KY2
Price: 2995.00 EUR
Availability: InStock

€ 2.995,00

Condition

Clear

SKU: 6AV6146-3MM40-0KY2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3MM40-0KY2 is a Multi Panel (MP 370) belonging to the SIMATIC HMI family, designed for demanding visualization and operator control tasks in industrial automation environments. This panel features a 15-inch TFT color display and operates as a high-performance operator panel capable of running WinCC flexible runtime software. It is part of Siemens' SIMATIC HMI Multi Panel series, which bridges the gap between standard operator panels and full PC-based systems.

The MP 370 (6AV6146-3MM40-0KY2) is equipped with a touch-screen interface and integrates multiple communication interfaces including MPI, PROFIBUS DP, and Ethernet (TCP/IP), enabling flexible connectivity to SIMATIC S7 PLCs and other automation systems. The panel runs on a Windows CE operating system and provides substantial onboard memory for project data and runtime applications. It supports a wide range of HMI functions including alarm management, trend displays, recipe management, and data logging, making it a versatile solution for complex visualization tasks.

The SIMATIC MP 370 is widely deployed in manufacturing, process automation, automotive production, and machine tool industries where a robust, mid-to-large format operator interface is required. Its compatibility with the SIMATIC S7-300 and S7-400 controller families, combined with support for PROFIBUS DP and Industrial Ethernet, makes it suitable for integration into both new installations and existing SIMATIC automation architectures. The panel's rugged industrial design and broad communication capability make it appropriate for continuous operation in factory floor environments.

Technical Specifications

Display Size	15 inch
Display Type	TFT Color LCD
Display Resolution	1024 x 768 pixels (XGA)
Display Colors	64,000 colors
Touch Technology	Resistive touchscreen
Operating System	Windows CE
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 60 W
Communication Interface	MPI, PROFIBUS DP, Ethernet (TCP/IP), RS-422/485
Memory	12 MB user memory (Flash)
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
IP/Protection Rating	IP65 (front panel)
Mounting	Panel mounting
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC HMI Multi Panel MP 370

Common Error Codes & System Events

Event ID: 10000: Communication error between the HMI panel and the connected PLC or controller. The panel cannot establish or maintain a connection.
Check MPI/PROFIBUS or Ethernet cable connections and termination resistors. Verify PLC address settings and communication parameters in the project configuration. Ensure the PLC is in RUN mode.
Event ID: 10001: Connection to the configured PLC has been interrupted during runtime.
Inspect physical communication cables for damage. Verify network topology and bus termination. Restart the HMI and PLC communication if necessary.
Event ID: 20000: Project download error. The project could not be transferred to the panel successfully.
Check the transfer cable or network connection between the engineering PC and the panel. Ensure the panel is in Transfer mode and that WinCC flexible project settings match the panel type and firmware version.
Event ID: 40000: System memory low. Available runtime memory is insufficient for the current project.
Reduce the project size by optimizing graphics, alarm lists, or recipe data. Consider archiving historical data to an external memory card. Restart the panel to free temporary memory.
Event ID: 50000: Internal hardware fault detected. A system component has reported an error during self-test.
Perform a panel restart. If the fault persists, check for firmware corruption and re-flash the firmware using the appropriate Siemens ProSave tool. Contact Siemens support or a qualified repair center if the fault remains.
Event ID: 70000: Configuration error. A configured tag or variable cannot be found or is incorrectly mapped.
Review the project configuration in WinCC flexible. Verify that all PLC tags referenced in the HMI project exist and are correctly addressed. Re-download the corrected project to the panel.
Event ID: 30000: Data record or recipe transfer error. A recipe could not be read from or written to the PLC.
Check that the recipe data block exists in the PLC and that the data structure matches the HMI configuration. Verify communication is active and re-attempt the recipe transfer.

Frequently Asked Questions

What PLC families is the SIMATIC MP 370 (6AV6146-3MM40-0KY2) compatible with?

The MP 370 is compatible with Siemens SIMATIC S7-300, S7-400, and S7-200 PLC families via MPI or PROFIBUS DP interfaces, as well as third-party controllers accessible via Industrial Ethernet or serial communication.

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

The MP 370 is configured using Siemens WinCC flexible engineering software. Projects are created on a PC and downloaded to the panel via MPI, PROFIBUS, or Ethernet connection.

What is the supply voltage for the 6AV6146-3MM40-0KY2?

The panel requires a 24 V DC power supply. Ensure the power source is stable and within the specified tolerance range to prevent operational issues.

Does the MP 370 support external memory expansion?

Yes, the MP 370 supports external CompactFlash (CF) cards for additional data storage, including data logging, recipe storage, and project backup.

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

The front panel of the MP 370 is rated IP65, providing protection against dust ingress and low-pressure water jets, making it suitable for installation in industrial control cabinet doors.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the panel's power connector. Check for blown internal fuses. Observe whether the backlight is off or the screen shows no image at all.

Verify and restore the 24 V DC supply to within specification. If the backlight has failed, the backlight inverter or the display assembly may require replacement. If no power is reaching the board, inspect internal fuses and the power supply unit.

Touchscreen does not respond or responds inaccurately

Determine whether the issue is a complete lack of response or positional inaccuracy. Check if the touchscreen surface is dirty, damaged, or if a screen protector is interfering with input.

Clean the touchscreen surface with a soft, dry cloth. Perform a touchscreen recalibration via the panel's Control Panel settings under Windows CE. If the touchscreen remains unresponsive, the touch controller board or the touchscreen overlay may need replacement.

Panel fails to communicate with the PLC

Check the physical connection of the MPI, PROFIBUS, or Ethernet cable. Verify the communication parameters (baud rate, station address, IP address) configured in the HMI project match those set on the PLC.

Correct any mismatched communication parameters in WinCC flexible and re-download the project. Replace damaged cables and ensure proper bus termination on PROFIBUS networks. Confirm the PLC is powered and in RUN mode.

Panel continuously reboots or freezes during runtime

Check for overheating by measuring ambient temperature around the panel. Review the event log in Windows CE for system errors. Determine if the issue occurs with a specific project or on startup.

Ensure the operating environment does not exceed 50 °C and that ventilation around the panel is adequate. Re-flash the panel firmware using Siemens ProSave to rule out firmware corruption. If the problem persists, the main CPU board may require replacement.

Project cannot be downloaded to the panel

Verify the panel is set to Transfer mode. Check the communication cable or network connection between the engineering PC and the panel. Confirm the WinCC flexible project is configured for the correct panel type and firmware version.

Switch the panel to Transfer mode via the Start Center or Control Panel. Use a known-good MPI/PROFIBUS cable or Ethernet connection. Ensure the WinCC flexible version on the PC is compatible with the panel firmware version, and update firmware if necessary using ProSave.

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