Siemens 6AV6146-3LP40-3KC2 MP 377

€ 2.995,00

SKU: 6AV6146-3LP40-3KC2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3LP40-3KC2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed as a high-performance operator panel for industrial visualization and control tasks. This unit features a 15-inch widescreen TFT display and is part of the MP 377 series, which represents Siemens' advanced multi-panel line offering robust graphical HMI capabilities. It is engineered for demanding industrial environments requiring reliable human-machine interface solutions.

The MP 377 (6AV6146-3LP40-3KC2) is equipped with a resistive touchscreen and an integrated keypad, providing flexible operator input options. It supports multiple communication interfaces including PROFIBUS DP and Ethernet (PROFINET), enabling seamless integration into modern and legacy automation networks. The panel runs on the Windows CE operating system and is compatible with WinCC flexible and TIA Portal (WinCC RT Advanced) engineering software, offering substantial project memory and a high-resolution 1280 x 800 pixel display with 64,000 colors.

The MP 377 is widely deployed in manufacturing, automotive, chemical processing, and water treatment industries, where a large-format, feature-rich HMI panel is required for complex process visualization. Its combination of touch and key operation makes it suitable for environments where operators need both graphical navigation and tactile key input. The panel's industrial-grade construction and broad communication support make it a practical choice for integration into both SIMATIC S7 and third-party PLC architectures.

Technical Specifications

Display Size	15 inch
Display Resolution	1280 x 800 px
Display Colors	64,000 colors
Display Type	TFT widescreen
Touch Technology	Resistive touchscreen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Communication Interface	PROFIBUS DP, Ethernet (PROFINET), USB, RS-422/485
Operating System	Windows CE 6.0
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: 10000: Communication error between HMI panel and PLC. The configured connection to the controller cannot be established or has been interrupted.
Check PROFIBUS or Ethernet cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Restart both the HMI and PLC if necessary.
Event ID: 10001: Connection to PLC lost during runtime. The HMI panel has detected a timeout on the configured communication channel.
Inspect network cabling and connectors. Verify PLC is powered and running. Check for address conflicts on the network and confirm communication parameters in WinCC flexible or TIA Portal.
Event ID: 20000: Project download error. The HMI panel was unable to receive or store the project data transferred from the engineering station.
Ensure sufficient free memory on the panel. Check USB or Ethernet connection between engineering PC and panel. Retry the transfer after restarting the panel in transfer mode.
Event ID: 40000: System memory low. Available RAM or flash memory on the HMI panel has fallen below a critical threshold during runtime.
Reduce the number of active screens or logged data. Archive and clear alarm and data logs. Consider optimizing the project to reduce memory usage.
Event ID: 50000: Internal device error. A hardware or firmware fault has been detected within the HMI panel.
Perform a panel restart. If the error persists, perform a factory reset via the Control Panel. Contact Siemens technical support or arrange for repair if the fault recurs.
Event ID: 70010: Alarm log full. The configured alarm buffer on the HMI panel has reached its maximum capacity.
Archive and clear the alarm log via the HMI runtime or engineering software. Increase the configured alarm buffer size in the project settings if recurring.
Event ID: 80000: Screen saver or backlight timeout active. The display backlight has been deactivated due to inactivity.
Touch the screen or press any key to reactivate the display. Adjust the screen saver timeout settings in the Control Panel if the timeout interval is inappropriate for the application.

Frequently Asked Questions

What engineering software is compatible with the Siemens 6AV6146-3LP40-3KC2?

The MP 377 15-inch panel is compatible with WinCC flexible 2008 and TIA Portal with WinCC Runtime Advanced. Projects created in WinCC flexible can be migrated to TIA Portal for use with newer SIMATIC controllers.

What communication interfaces are available on this panel?

The 6AV6146-3LP40-3KC2 provides PROFIBUS DP (RS-485), Ethernet (PROFINET/Industrial Ethernet), USB host and device ports, and an RS-422/485 serial interface, allowing connection to a wide range of Siemens and third-party controllers.

Is the MP 377 compatible with SIMATIC S7-300 and S7-400 PLCs?

Yes, the MP 377 supports direct communication with SIMATIC S7-300 and S7-400 PLCs via PROFIBUS DP or Ethernet, and can also communicate with S7-1200 and S7-1500 controllers via PROFINET when using TIA Portal.

What is the operating voltage for this HMI panel?

The panel operates on 24 V DC, which is the standard supply voltage for SIMATIC HMI devices in industrial control cabinet installations.

Can the MP 377 be operated by touch only, or does it require key input?

The 6AV6146-3LP40-3KC2 supports both resistive touchscreen operation and physical key input via its integrated function keys, giving operators flexibility in how they interact with the panel.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the panel's power connector. Check that the supply is within the specified tolerance. Inspect the internal fuse if accessible.

Ensure the 24 V DC supply is stable and correctly wired. If the backlight has failed, the panel may require backlight or display assembly replacement. If no power is detected internally, the power supply module may need servicing.

Touchscreen does not respond or registers incorrect touch positions

Check whether the touchscreen is physically damaged or contaminated. Attempt to recalibrate the touchscreen via the Siemens Control Panel utility accessible during startup.

Clean the touchscreen surface with a soft, dry cloth. Recalibrate the touch input through the Control Panel. If calibration fails repeatedly, the resistive touchscreen overlay may be worn or damaged and will require replacement.

HMI panel fails to establish communication with the PLC

Verify the PROFIBUS or Ethernet cable is correctly connected and undamaged. Check that the PLC address and communication parameters in the HMI project match the physical configuration.

Replace or reseat the communication cable. Confirm network addresses and baud rate settings in WinCC flexible or TIA Portal. Ensure PROFIBUS termination resistors are correctly placed at both ends of the bus segment.

Panel repeatedly restarts or enters a boot loop

This may indicate a corrupted operating system or project file. Attempt to access the loader/boot menu during startup by pressing the appropriate key combination.

Perform a factory reset via the loader menu to restore the panel to its default state. Re-transfer the HMI project from the engineering station. If the boot loop persists after reset, the internal flash memory may be faulty and the unit should be sent for repair.

Project transfer from engineering PC fails or times out

Check the USB or Ethernet connection between the PC and the panel. Ensure the panel is set to transfer mode and that no firewall or antivirus software is blocking the connection on the PC.

Switch the panel to transfer mode via the Control Panel or loader menu. Disable any PC firewall temporarily during transfer. Verify the correct communication channel is selected in WinCC flexible or TIA Portal project settings.

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