Siemens 6AV6146-3MM41-0KY2 SIMATIC MP 377

Name: Siemens 6AV6146-3MM41-0KY2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-3MM41-0KY2
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6146-3MM41-0KY2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3MM41-0KY2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for high-performance human-machine interface applications in industrial automation environments. This panel features a 15-inch widescreen TFT display and is part of the MP 377 series, which represents Siemens' advanced multi-panel lineup offering both visualization and control capabilities. The unit is engineered for demanding industrial settings where reliable operator interaction and process visualization are essential.

The MP 377 15" touch panel features a 1024 x 768 pixel XGA resolution TFT display with 64,000 colors and resistive touch technology for precise operator input. It is equipped with multiple communication interfaces including PROFIBUS DP, PROFINET/Ethernet (RJ45), USB ports, and a CompactFlash card slot for extended memory and data logging. The panel runs on WinCC flexible runtime software and supports MPI, PROFIBUS, and Ethernet-based communication protocols, enabling integration with SIMATIC S7 PLCs and third-party controllers. Operating on 24 V DC supply voltage, the unit provides robust performance with a fanless design suited to continuous industrial operation.

The SIMATIC MP 377 is widely deployed in manufacturing, process automation, water treatment, energy management, and machine tool industries where a large-format, feature-rich HMI panel is required. Its support for PROFIBUS DP and PROFINET makes it directly compatible with SIMATIC S7-300 and S7-400 PLC families, as well as S7-1500 via appropriate drivers. The panel's versatility and connectivity make it suitable for complex SCADA-level visualization tasks on standalone machines and distributed plant-wide control systems alike.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 px (XGA)
Display Colors	64,000 colors
Display Type	TFT LCD
Touch Technology	Resistive
Input Voltage	24 V DC
Power Consumption	Approx. 40 W
Communication Interface	PROFIBUS DP, PROFINET/Ethernet (RJ45), MPI, USB (2x), CompactFlash slot
Operating System	Windows CE 6.0
Runtime Software	WinCC flexible 2008
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
Series/Product Family	SIMATIC MP 377

Common Error Codes & System Events

Event ID: 1000000: System startup completed. The HMI device has booted successfully and the runtime environment is active.
No action required. This is an informational system event confirming normal startup.
Event ID: 1000002: Connection to PLC lost. The HMI panel cannot establish or maintain communication with the configured controller.
Check PROFIBUS/PROFINET cabling and termination resistors. Verify PLC is powered and online. Confirm communication parameters (address, baud rate) match in WinCC flexible project.
Event ID: 1000003: Connection to PLC established. Communication with the configured controller has been successfully restored.
No action required. This is an informational event confirming restored communication.
Event ID: 1000022: Tag read error. The HMI runtime was unable to read a configured tag from the PLC.
Verify the tag address exists in the PLC program and the data block is not write-protected. Check for address mismatches between the HMI project and the PLC data structure.
Event ID: 1000023: Tag write error. The HMI runtime was unable to write a value to a configured PLC tag.
Confirm the target PLC address is writable and not protected. Check communication status and verify the tag configuration in WinCC flexible.
Event ID: 1000070: Project transfer active. A project download from the engineering PC to the HMI panel is in progress.
No action required during intentional transfers. If unexpected, check for unauthorized access to the panel's transfer interface.
Event ID: 1000080: Backup/restore operation in progress or failed. The panel encountered an issue during a data backup or restore procedure.
Ensure the CompactFlash card is properly seated and has sufficient free space. Retry the backup/restore operation. Replace the CompactFlash card if errors persist.

Frequently Asked Questions

Which PLC families are compatible with the SIMATIC MP 377?

The MP 377 is natively compatible with SIMATIC S7-300, S7-400, and S7-1200/1500 PLCs via PROFIBUS DP, MPI, or PROFINET/Ethernet. It also supports communication with third-party controllers through OPC or other configured drivers in WinCC flexible.

What engineering software is required to configure the 6AV6146-3MM41-0KY2?

This panel is configured using Siemens WinCC flexible 2008 or later. Projects can be transferred to the panel via Ethernet, USB, or PROFIBUS connection from the engineering PC.

What is the supply voltage for this HMI panel?

The MP 377 operates on a 24 V DC supply voltage. Ensure the power source is adequately rated and properly filtered for industrial use.

Can the MP 377 operate without a CompactFlash card?

The panel can operate without a CompactFlash card for basic runtime functions, but a CompactFlash card is required for data logging, recipe storage, and extended project data. It is recommended to have one installed for full functionality.

What is the IP protection rating of the front panel?

The front panel of the MP 377 carries an IP65 protection rating, making it suitable for installation in environments where dust and water jets may be present. The rear of the unit is rated IP20.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector. Check that the supply is within tolerance and that the power connector is fully seated. Inspect for any blown internal fuses.

Restore the 24 V DC supply to within specification. If supply voltage is correct and the display remains blank, the internal power supply board or backlight inverter may be faulty and require replacement or professional repair.

Touchscreen does not respond or responds inaccurately

Attempt to recalibrate the touchscreen via the panel's Start Center or Control Panel settings. Check for physical damage, contamination, or excessive pressure marks on the touch surface.

Perform a touchscreen recalibration through the SIMATIC HMI Start Center. Clean the screen surface with a soft, dry cloth. If calibration fails repeatedly, the resistive touch overlay may be damaged and require replacement.

HMI cannot communicate with the PLC over PROFIBUS

Verify the PROFIBUS cable is correctly wired and terminated at both ends with 220-ohm termination resistors. Check that the HMI PROFIBUS address matches the configuration in the WinCC flexible project and that no address conflicts exist on the bus.

Correct any wiring or termination issues. Ensure unique PROFIBUS addresses are assigned to all devices. Reload the WinCC flexible project to the panel if configuration changes were made.

Panel freezes or runtime crashes unexpectedly

Check the CompactFlash card for errors or insufficient free space. Review the system event log in WinCC flexible for recurring error events. Verify the panel operating temperature is within the 0-50 °C range.

Replace or reformat the CompactFlash card if errors are detected. Ensure adequate ventilation around the panel. Perform a firmware update if a known software issue is identified. As a last resort, perform a factory reset and reload the project.

Project transfer from PC to panel fails

Confirm that the transfer channel (Ethernet or USB) is correctly configured in both the WinCC flexible project settings and the panel's Start Center transfer settings. Check firewall settings on the engineering PC that may block the transfer.

Set the panel to transfer mode via the Start Center before initiating the download. Disable any PC firewall temporarily during transfer. Verify the IP address or PROFIBUS address settings match between the PC and the panel configuration.

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