Siemens 6AV6146-4MM41-2KY2 SIMATIC MP 377

Name: Siemens 6AV6146-4MM41-2KY2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-4MM41-2KY2
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6146-4MM41-2KY2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-4MM41-2KY2 is a Multi Panel belonging to the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product line. This unit features a 15-inch widescreen TFT display and is designed for demanding machine-level and process visualization tasks. It operates as a standalone HMI panel capable of running WinCC flexible or SIMATIC WinCC RT Advanced runtime software.

The MP 377 15" Touch features a high-resolution 1024 x 768 pixel XGA display with 64,000 colors and resistive touchscreen technology. It is equipped with a 1 GHz processor, 256 MB RAM, and 256 MB flash memory for project and runtime data storage. Connectivity options include PROFINET (2x RJ45), MPI/PROFIBUS DP (RS 422/485), USB ports, and a CompactFlash card slot. The panel operates on 24 V DC supply and carries CE and UL certifications.

The SIMATIC MP 377 is widely deployed in machine automation, automotive manufacturing, food and beverage processing, and water treatment facilities. Its robust construction and broad communication interface support make it suitable for integration into both SIMATIC S7 PLC environments and third-party controller architectures. The large display area and touch operation allow operators to monitor complex process visualizations and interact with HMI applications efficiently.

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 touchscreen
Processor	1 GHz
RAM	256 MB
Flash Memory	256 MB
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Communication Interface	PROFINET (2x RJ45), MPI/PROFIBUS DP (RS 422/485), 4x USB, CompactFlash slot
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 lost.
Check PROFINET or MPI/PROFIBUS cabling and connector integrity. Verify PLC is powered and running. Confirm IP address or MPI address settings match the project configuration.
Event ID: 10001: Connection timeout to the configured PLC. The HMI did not receive a response from the controller within the expected time window.
Check network cable and switch/hub connections. Verify PLC program is running and communication blocks are active. Increase timeout settings in WinCC flexible if necessary.
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 program and the data block is not write-protected. Check that the data type in the HMI project matches the PLC variable definition.
Event ID: 20001: Tag write error. A write operation to a PLC variable failed.
Check that the target PLC address is not read-only or protected. Verify user permissions in the HMI project allow write access. Confirm the PLC is in RUN mode.
Event ID: 40000: Project download error. Transfer of the HMI project to the panel was interrupted or failed.
Ensure the panel is in Transfer mode. Check the USB or Ethernet connection between the engineering PC and the panel. Restart the transfer from SIMATIC WinCC flexible or TIA Portal.
Event ID: 50000: Runtime system error. The WinCC RT Advanced runtime encountered an internal fault and may have stopped.
Restart the runtime application via the panel's Start Center. If the error persists, reload the project. Check available flash memory and RAM; delete unnecessary files if storage is low.
Event ID: 70000: Backup/restore error. A project backup or restore operation to CompactFlash card failed.
Verify the CompactFlash card is correctly inserted and not write-protected. Check that the card has sufficient free space. Try a different CompactFlash card if the error persists.

Frequently Asked Questions

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

The MP 377 is configured using SIMATIC WinCC flexible 2008 or later. It is also compatible with SIMATIC WinCC RT Advanced when used within the TIA Portal engineering framework.

What communication protocols does the 6AV6146-4MM41-2KY2 support?

The panel supports PROFINET via two RJ45 Ethernet ports, as well as MPI and PROFIBUS DP via an RS 422/485 interface. USB ports are available for project transfer and peripheral devices.

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

Yes, the MP 377 can communicate directly with S7-300 and S7-400 PLCs via MPI, PROFIBUS DP, or PROFINET, and also supports S7-1200 and S7-1500 via PROFINET.

What is the operating voltage of the 6AV6146-4MM41-2KY2?

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

Can the MP 377 operate as a standalone panel without a PLC connection?

Yes, the MP 377 can run local HMI applications and display static screens without an active PLC connection, though dynamic data exchange requires a live controller connection.

Troubleshooting

Display remains blank after power on

Check that 24 V DC is present at the power supply terminals. Measure voltage at the panel connector and verify polarity. Inspect internal fuse if accessible.

Restore correct 24 V DC supply. If voltage is correct and display remains blank, the backlight or internal power board may be faulty and the panel should be sent for repair or the backlight unit replaced.

Touchscreen does not respond or responds inaccurately

Determine whether the issue is a complete lack of response or positional inaccuracy. Access the panel's Control Panel via the Start Center and open the touchscreen calibration tool.

Recalibrate the touchscreen using the built-in calibration utility. If calibration does not resolve the issue, clean the screen surface and check for physical damage to the resistive touch layer. A faulty touch controller may require panel repair.

HMI cannot establish communication with the PLC

Verify the cable type and wiring for the selected interface (PROFINET RJ45 or MPI/PROFIBUS DP sub-D connector). Check IP address or MPI address configuration in the panel's Control Panel under Ethernet or MPI settings.

Correct any address mismatches between the HMI project configuration and the panel's network settings. Replace faulty cables. Ensure the PLC is powered and in RUN mode. Re-download the project if configuration changes were made.

Panel freezes or runtime application crashes repeatedly

Check available RAM and flash storage via the Control Panel. Review the runtime error log for Event IDs indicating memory or software faults. Determine if the issue occurs with a specific screen or action.

Delete unused files from flash memory. Reload the HMI project from the engineering PC. If the problem persists, perform a factory reset via the panel's Start Center and re-transfer the project. Check for WinCC flexible software updates or patches.

CompactFlash card not recognized by the panel

Remove and reinsert the CompactFlash card. Check the card in a card reader on a PC to verify it is not corrupted or write-protected. Confirm the card format is FAT32 as required by the panel.

Format the CompactFlash card to FAT32 and reinsert it. If the panel still does not recognize the card, try a different card. A faulty CompactFlash slot may require hardware inspection and repair.

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