Siemens 6AV6146-4MM41-2KY0 SIMATIC MP 377

Name: Siemens 6AV6146-4MM41-2KY0 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-4MM41-2KY0
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6146-4MM41-2KY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-4MM41-2KY0 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 visualization and operator control tasks in industrial automation environments. It runs on the Windows CE operating system and is configured and programmed using Siemens WinCC flexible or TIA Portal WinCC software.

The MP 377 15" Touch features a resistive touchscreen interface with a display resolution of 1024 x 768 pixels (XGA) and 64,000 colors. It is equipped with 12 MB user memory for project data and supports a range of communication interfaces including PROFIBUS DP, PROFINET/Ethernet (RJ45), USB ports, and a CompactFlash card slot for data storage and project transfer. The panel operates on a 24 V DC supply and is rated IP65 on the front face, making it suitable for flush panel mounting in industrial enclosures.

The SIMATIC MP 377 is widely deployed in manufacturing, process automation, and machine building applications where a robust, mid-to-large format HMI is required. Its compatibility with Siemens S7-300, S7-400, and S7-1500 PLC families, as well as third-party controllers via standard protocols, makes it a versatile choice for system integrators. Industries such as automotive, food and beverage, chemical processing, and water treatment commonly utilize this panel for supervisory control and data visualization tasks.

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. 40 W
User Memory	12 MB
Operating System	Windows CE 6.0
Communication Interface	PROFIBUS DP, PROFINET/Ethernet (RJ45), 2x USB, RS-422/485
Storage Expansion	CompactFlash card slot
IP/Protection Rating	IP65 (front), IP20 (rear)
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
Mounting	Panel flush 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 cabling and connector integrity. Verify PLC is powered and running. Confirm communication parameters (IP address, PROFIBUS address) match the project configuration.
Event ID: 10001: Connection to PLC timed out. The HMI did not receive a response from the controller within the configured timeout period.
Check network or fieldbus cable connections. Verify PLC program is running and the communication driver is correctly configured in WinCC flexible or TIA Portal.
Event ID: 20000: Tag read error. The HMI was unable to read the value of a configured tag from the PLC.
Verify the tag address exists in the PLC and matches the address configured in the HMI project. Check that the data block or memory area is not write-protected.
Event ID: 40000: Project download error. A project transfer to the panel failed or was interrupted.
Ensure the transfer channel (Ethernet or USB) is correctly configured on both the PC and the panel. Check that the panel is in transfer mode and that no firewall is blocking the connection.
Event ID: 50000: System memory low. Available working memory on the panel is critically low, which may cause instability or slow performance.
Reduce the complexity of the HMI project, decrease the number of active screens or logged tags, and restart the panel. Consider archiving log data to a CompactFlash card.
Event ID: 70000: CompactFlash card error. The inserted CompactFlash card cannot be read or is not recognized by the system.
Remove and reinsert the CompactFlash card. Verify the card is formatted correctly (FAT16/FAT32). Replace the card if the error persists.
Event ID: 110000: Backup/restore error. A system backup or restore operation failed to complete successfully.
Verify sufficient free space on the target storage medium. Ensure the CompactFlash card or USB drive is properly inserted and not write-protected. Retry the operation.

Frequently Asked Questions

What software is used to program the SIMATIC MP 377?

The MP 377 is programmed using Siemens WinCC flexible 2008 or WinCC (TIA Portal). Projects created in WinCC flexible can be transferred to the panel via Ethernet, USB, or CompactFlash card.

Which PLCs are compatible with the Siemens MP 377?

The MP 377 is compatible with Siemens S7-200, S7-300, S7-400, and S7-1500 PLC families via PROFIBUS DP or PROFINET/Ethernet. It also supports third-party controllers through standard protocols such as Modbus TCP and OPC.

What is the supply voltage for the 6AV6146-4MM41-2KY0?

The panel requires a 24 V DC power supply. It is recommended to use a regulated 24 V DC source with sufficient current capacity, typically at least 2 A.

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

The front face of the MP 377 is rated IP65, making it protected against dust ingress and low-pressure water jets, suitable for flush mounting in industrial control panels.

Can the MP 377 log process data internally?

Yes, the MP 377 supports data logging to internal memory and to an external CompactFlash card. Log files can be stored in CSV format and transferred to a PC for analysis.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the power connector. Verify the supply is within tolerance and delivering adequate current. 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. A repair service may be needed for internal component failure.

Touchscreen does not respond or responds inaccurately

Determine whether the touch issue is hardware or calibration-related by attempting to navigate the panel using the function keys if available. Check for physical damage or contamination on the screen surface.

Perform a touchscreen recalibration through the panel's Control Panel settings under Windows CE. Clean the screen surface with a soft cloth. If calibration does not resolve the issue, the resistive touch overlay may need replacement.

HMI cannot communicate with the PLC over PROFIBUS

Check the PROFIBUS cable connections and termination resistors at both ends of the network. Verify the PROFIBUS address set on the HMI matches the project configuration. Use a PROFIBUS diagnostic tool to check bus activity.

Correct any wiring faults and ensure proper bus termination (150 ohm) at both ends. Confirm the PROFIBUS address in the WinCC flexible project matches the panel's configured address. Reload the project if configuration changes were made.

Panel freezes or restarts unexpectedly

Check for overheating by verifying ambient temperature is within the 0-50 °C operating range and that ventilation around the panel is adequate. Review system event logs for memory or software errors.

Ensure the installation environment meets thermal requirements. Reduce project complexity if memory warnings are present. Perform a firmware update if a known software bug is suspected. If the issue persists, a hardware fault such as a failing capacitor on the power board may require professional repair.

Project transfer fails via Ethernet

Verify the IP address of the panel is correctly set and reachable from the programming PC. Check that the panel is set to transfer mode and that no Windows firewall or antivirus software is blocking the WinCC flexible transfer port.

Set the panel to transfer mode via the Start Center. Confirm IP settings on both the panel and PC are on the same subnet. Disable firewall temporarily to test connectivity. Use a direct Ethernet cable connection to rule out network switch issues.

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