Siemens 6AV6146-3LP40-2KC2 MP 377

€ 2.995,00

SKU: 6AV6146-3LP40-2KC2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3LP40-2KC2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed as a high-performance operator panel for industrial human-machine interface applications. This unit features a 15-inch widescreen TFT display and is part of the MP 377 series, which represents Siemens' advanced panel line for demanding visualization and control tasks. It operates as a standalone HMI device capable of running WinCC flexible runtime applications.

The MP 377 15" Touch (6AV6146-3LP40-2KC2) is equipped with a resistive touchscreen interface and delivers a display resolution of 1024 x 768 pixels with 64,000 colors. It includes multiple communication interfaces such as PROFIBUS DP, PROFINET/Ethernet, USB, and MPI, enabling integration into a wide range of automation networks. The panel is powered by a 24 V DC supply, features an internal flash memory for project storage, and supports a CompactFlash card slot for additional data storage and project backup. The robust industrial-grade housing is rated IP65 on the front face, ensuring protection against dust and water ingress in harsh environments.

The MP 377 is widely deployed in manufacturing, process automation, automotive, food and beverage, and chemical industries where a large, high-resolution display and reliable connectivity are required. It is particularly suited for complex SCADA-style visualization tasks at the machine or cell level, where operators need to monitor multiple process variables simultaneously. Its compatibility with Siemens S7-300, S7-400, and S7-1500 PLC families makes it a standard choice for Siemens-based automation architectures.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 pixels (XGA)
Display Colors	64,000 colors
Display Type	TFT LCD
Touch Technology	Resistive touchscreen
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 50 W
Communication Interface	PROFIBUS DP, MPI, PROFINET, Ethernet (RJ45), USB (host and device)
Memory	12 MB internal flash (user memory); 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/Protection Rating	IP65 (front), IP20 (rear)
Mounting	Panel mounting
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC HMI MP 377

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/PROFINET cable connections and termination resistors. Verify PLC is powered and running. Confirm communication parameters (station address, baud rate) match in both the HMI project and PLC configuration.
Event ID: 10001: Communication timeout. The HMI panel did not receive a response from the PLC within the configured timeout period.
Check network cabling and connectors. Verify PLC program is running and not in STOP mode. Increase the communication timeout value in WinCC flexible project settings if the network is slow.
Event ID: 20000: Tag read error. The HMI panel was unable to read a configured tag from the PLC.
Verify the tag address exists in the PLC and the data block or memory area is correctly defined. Check that the PLC program has not been modified in a way that removes the referenced address.
Event ID: 40000: Project download error. A project transfer from the engineering PC to the HMI panel failed.
Check the transfer cable or network connection between PC and panel. Ensure the panel is in Transfer mode. Verify WinCC flexible version compatibility between the project and the panel firmware.
Event ID: 70010: System memory low. The available runtime memory on the HMI panel is insufficient to load or run the current project.
Reduce the project size by optimizing graphics and scripts. Clear unused data logs and alarm archives from the panel memory. Consider using a CompactFlash card to offload data storage.
Event ID: 110000: Recipe data error. A recipe record could not be read from or written to the configured storage location.
Check that the CompactFlash card is properly inserted and not write-protected. Verify the recipe configuration in the WinCC flexible project. Reformat the CompactFlash card if file system corruption is suspected.
Event ID: 130000: Data log error. The HMI panel was unable to write process values to the configured data log.
Check available storage space on the internal memory or CompactFlash card. Verify data log configuration in WinCC flexible. Clear old log files to free up storage space.

Frequently Asked Questions

What PLC families are compatible with the Siemens MP 377 (6AV6146-3LP40-2KC2)?

The MP 377 is compatible with Siemens SIMATIC S7-300, S7-400, S7-1500, and S7-200 PLCs, as well as third-party controllers accessible via OPC or supported communication drivers in WinCC flexible.

What software is required to program and configure the MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 or later. Projects are created on a PC and transferred to the panel via Ethernet, USB, or MPI/PROFIBUS connection.

Does the MP 377 support PROFINET communication?

Yes, the 6AV6146-3LP40-2KC2 includes an integrated PROFINET/Ethernet interface (RJ45), allowing direct connection to PROFINET networks and standard Ethernet-based communication.

What is the front panel protection rating of the MP 377?

The front face of the MP 377 is rated IP65, providing full protection against dust ingress and protection against low-pressure water jets, making it suitable for industrial panel mounting in harsh environments.

Can the MP 377 store data on external media?

Yes, the MP 377 features a CompactFlash card slot that can be used for additional project storage, data logging, recipe management, and firmware updates.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the panel's power connector. Check that the voltage is within the specified range (typically 19.2 V to 28.8 V DC). Inspect the internal fuse if accessible.

Correct the supply voltage if out of range. Replace the power supply unit if it is faulty. If the backlight has failed, the panel may require backlight or display assembly replacement.

Touchscreen does not respond or registers incorrect touch positions

Check for physical damage or contamination on the touchscreen surface. Attempt to recalibrate the touchscreen through the panel's Start Center or Control Panel settings.

Clean the touchscreen surface with a soft, dry cloth. Perform a touchscreen recalibration via the SIMATIC HMI Start Center. If calibration does not resolve the issue, the touchscreen overlay may need replacement.

HMI panel fails to communicate with the PLC

Verify the communication cable connections on both the panel and PLC sides. Check that the MPI/PROFIBUS station address or PROFINET IP address configured in the HMI project matches the actual PLC settings.

Correct any address mismatches in the WinCC flexible project and re-download to the panel. Replace faulty communication cables. Ensure PROFIBUS termination resistors are correctly placed at both ends of the bus.

Project transfer from PC to panel fails

Confirm the panel is set to Transfer mode via the Start Center. Check the USB or Ethernet connection between the engineering PC and the panel. Verify that firewall or antivirus software is not blocking the transfer.

Switch the panel to Transfer mode manually. Use a known-good USB or Ethernet cable. Disable firewall rules blocking WinCC flexible transfer ports. Ensure the WinCC flexible runtime version on the panel matches the project version.

Panel reboots unexpectedly or freezes during operation

Check the 24 V DC supply for voltage dips or instability under load. Review the alarm and event logs on the panel for system error events. Check for excessive CPU or memory load in the WinCC flexible project.

Stabilize the power supply by using a dedicated 24 V DC source with adequate current capacity. Optimize the HMI project to reduce script complexity and update cycles. Update the panel firmware to the latest version available from Siemens support.

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