Siemens 6AV6146-3LP40-1KB2 SIMATIC MP 377

Name: Siemens 6AV6146-3LP40-1KB2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-3LP40-1KB2
Price: 3495.00 EUR
Availability: InStock

€ 3.495,00

Condition

Clear

SKU: 6AV6146-3LP40-1KB2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3LP40-1KB2 is a Multi Panel belonging to the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product line. This high-performance operator panel is designed for demanding visualization and control tasks in industrial automation environments. It features a 15-inch widescreen TFT display and runs on the Windows CE operating system, providing a robust and flexible platform for machine and process visualization.

The MP 377 15" Touch features a 1024 x 768 pixel XGA resolution TFT display with 64,000 colors and resistive touch screen technology. It is equipped with a 512 MB flash memory and 128 MB RAM, supporting the SIMATIC WinCC flexible runtime software for advanced HMI applications. Communication interfaces include PROFIBUS DP, PROFINET/Ethernet (RJ45), USB ports, and a CompactFlash card slot, enabling seamless integration into both legacy and modern automation architectures. The unit operates on a 24 V DC supply and carries CE and UL certifications.

The SIMATIC MP 377 is widely deployed in machine building, automotive manufacturing, food and beverage processing, and chemical plant operations where large-format, high-resolution visualization is required. Its multi-panel capability allows it to serve simultaneously as an HMI terminal and a thin-client workstation, making it suitable for complex SCADA and distributed control applications. The robust industrial housing and wide operating temperature range make it appropriate for installation in control cabinets in demanding production environments.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 px (XGA)
Display Colors	64,000 colors
Display Type	TFT
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
RAM	128 MB
Flash Memory	512 MB
Communication Interface	PROFIBUS DP, PROFINET/Ethernet (RJ45 x2), USB 2.0 (x2), CompactFlash slot
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: 100001: Configuration error detected during startup — the loaded project is incompatible with the panel firmware version.
Update the WinCC flexible project to match the firmware version on the panel, or update the panel firmware via ProSave.
Event ID: 110001: Connection to PLC lost — communication link between the HMI and the configured PLC controller has been interrupted.
Check PROFIBUS or Ethernet cabling and connectors. Verify PLC address settings and ensure the PLC is in RUN mode. Check network configuration in WinCC flexible.
Event ID: 120001: Tag read error — the HMI is unable to read one or more configured tags from the PLC.
Verify that the tag addresses in the WinCC flexible project match the actual PLC data block structure. Check communication connection status.
Event ID: 130001: Overflow of alarm buffer — the alarm log buffer has reached its maximum capacity.
Archive or clear the alarm log. Increase the configured alarm buffer size in the WinCC flexible project settings if possible.
Event ID: 040010: System memory low — available RAM on the panel has dropped below the minimum threshold required for stable operation.
Close unnecessary runtime applications or scripts. Reduce the number of active screens or image resources in the project. Consider a panel with higher RAM if the issue persists.
Event ID: 070010: CompactFlash card error — the inserted CompactFlash card cannot be read or is not recognized by the system.
Remove and reinsert the CompactFlash card. Replace the card if it is corrupted or incompatible. Ensure the card is formatted as FAT32.
Event ID: 080001: Backup/restore error — a project backup or restore operation has failed.
Verify that the storage medium (CompactFlash or USB) has sufficient free space and is not write-protected. Retry the operation using ProSave software.

Frequently Asked Questions

What HMI software is required to configure the 6AV6146-3LP40-1KB2?

This panel is configured using Siemens SIMATIC WinCC flexible 2008 or later. Projects are transferred to the panel via Ethernet, USB, or CompactFlash card using the ProSave utility.

Which PLC systems are compatible with the SIMATIC MP 377?

The MP 377 is compatible with Siemens S7-300, S7-400, S7-1200, and S7-1500 PLCs via PROFINET or PROFIBUS DP. It also supports third-party controllers through standard communication drivers available in WinCC flexible.

What is the operating voltage for this panel?

The panel operates on 24 V DC. It is recommended to use a regulated 24 V DC power supply with sufficient current capacity, typically at least 3 A.

Can the MP 377 function as a thin client in addition to a standalone HMI?

Yes, the MP 377 Multi Panel supports thin-client operation via the integrated Windows CE environment, allowing it to connect to a WinCC server or remote desktop session in addition to running local WinCC flexible runtime projects.

What is the IP protection rating of the 6AV6146-3LP40-1KB2?

The front face of the panel is rated IP65, making it suitable for panel-mount installations where dust and water ingress protection is required. The rear of the unit is rated IP20.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the power connector on the rear of the panel. Check that the supply is within the specified range and can deliver sufficient current. Inspect the internal fuse if accessible.

Ensure the 24 V DC supply is stable and correctly wired to the panel's power terminals. If the supply is confirmed good but the display remains blank, the internal power supply board or backlight inverter may be faulty and require replacement.

Touch screen does not respond or responds inaccurately

Attempt to recalibrate the touch screen through the Windows CE control panel or the SIMATIC HMI startup menu. Check for physical damage or contamination on the touch surface.

Perform a touch screen recalibration via the panel's Start Center menu. Clean the display surface with a soft, dry cloth. If calibration fails repeatedly, the resistive touch overlay may be damaged and require replacement.

Panel fails to establish communication with the PLC

Verify the Ethernet or PROFIBUS cable connections at both the panel and PLC ends. Check the IP address or PROFIBUS address configured in the WinCC flexible project against the actual PLC settings. Use a network diagnostic tool to confirm connectivity.

Correct any IP address or PROFIBUS address mismatches in the WinCC flexible project. Replace faulty cables or connectors. Ensure the PLC is powered and in RUN mode. Reload the project to the panel after making corrections.

Panel restarts unexpectedly or enters a reboot loop

Check the 24 V DC supply for voltage drops or instability under load. Review the system event log in WinCC flexible for error events logged prior to the restart. Inspect for overheating by checking ambient temperature and ventilation around the panel.

Stabilize the power supply and ensure adequate ventilation. If a corrupted project is causing the reboot loop, use ProSave to restore a known-good project backup or perform a factory reset via the panel's Start Center.

CompactFlash card not recognized by the panel

Remove the CompactFlash card and inspect the card slot contacts for damage or contamination. Test the card in a separate card reader to verify it is functional and correctly formatted.

Reformat the CompactFlash card as FAT32 using a PC and reinsert it into the panel. If the slot contacts are damaged, the card slot connector on the main board may require repair or replacement.

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