Siemens 6AV6146-4MM40-3KY2 SIMATIC MP 377

Name: Siemens 6AV6146-4MM40-3KY2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-4MM40-3KY2
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6146-4MM40-3KY2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-4MM40-3KY2 is a Multi Panel belonging to the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product line. This panel is a high-performance operator interface device designed for demanding industrial visualization and control tasks. It features a 15-inch widescreen TFT display and runs on the Windows CE operating system, providing a robust platform for complex HMI applications.

The MP 377 15" Touch panel is equipped with a resistive touchscreen and supports multiple communication interfaces including PROFIBUS DP and Ethernet (PROFINET), enabling seamless integration into modern automation architectures. It offers substantial onboard memory for storing project data and runtime applications, and supports USB ports for peripheral connectivity and data transfer. The unit is built to industrial standards with a robust aluminum front frame and achieves IP65 protection on the front face, making it suitable for harsh environments.

The SIMATIC MP 377 is widely deployed in manufacturing, process automation, and machine building industries where complex visualization, recipe management, and data logging are required. Its compatibility with Siemens STEP 7 and WinCC flexible engineering software makes it a natural fit for systems built around SIMATIC S7-300 and S7-400 PLCs. The panel is also used in applications such as packaging machinery, printing presses, and water treatment facilities where reliable operator interaction is critical.

Technical Specifications

Display Size	15 inch
Display Type	TFT widescreen
Display Resolution	1024 x 768 px (XGA)
Display Colors	65,536 colors
Touch Technology	Resistive touchscreen
Operating System	Windows CE 6.0
Input Voltage	24 V DC
Power Consumption	Approx. 40 W
Communication Interface	PROFIBUS DP, Ethernet (PROFINET), USB
IP Protection Rating (Front)	IP65
IP Protection Rating (Rear)	IP20
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
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 PROFIBUS or Ethernet cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Restart both devices if necessary.
Event ID: 10001: Connection to PLC timed out. The HMI panel did not receive a response from the controller within the configured timeout period.
Verify network or PROFIBUS topology and cable integrity. Check PLC is in RUN mode and the communication module is functioning correctly.
Event ID: 20000: Tag read error. The HMI panel was unable to read the value of a configured tag from the PLC.
Confirm the tag address exists in the PLC program and that the data type matches the HMI configuration. Check for PLC program changes that may have altered the data block structure.
Event ID: 20001: Tag write error. The HMI panel was unable to write a value to the configured PLC tag.
Verify the tag address is writable and not write-protected in the PLC. Check user authorization levels configured in the HMI project.
Event ID: 40000: Project transfer error. A project download or upload between the engineering PC and the HMI panel failed.
Check the transfer cable or network connection between the PC and the panel. Ensure the panel is in Transfer mode and that WinCC flexible or TIA Portal is using the correct communication settings.
Event ID: 50000: Runtime system error. The WinCC flexible Runtime application encountered a critical error and may have terminated unexpectedly.
Restart the panel. If the error persists, reload the HMI project from the engineering PC. Check available memory and ensure the project does not exceed the panel's resource limits.
Event ID: 70000: Insufficient memory. The panel's available RAM or flash memory is critically low, which may cause instability or failure to load project components.
Delete unused files, logs, and recipe data from the panel memory. Optimize the HMI project to reduce memory usage and reload the project.

Frequently Asked Questions

What communication interfaces does the 6AV6146-4MM40-3KY2 support?

The SIMATIC MP 377 15" Touch supports PROFIBUS DP and Ethernet (PROFINET) for PLC communication, as well as USB ports for peripheral devices and data transfer.

Which PLCs are compatible with this HMI panel?

The MP 377 is compatible with Siemens SIMATIC S7-300, S7-400, and S7-1200/1500 PLCs, as well as third-party controllers via configurable communication drivers in WinCC flexible or TIA Portal.

What engineering software is required to program this panel?

The panel is programmed using Siemens WinCC flexible 2008 or later, and is also supported in the TIA Portal environment with the appropriate WinCC runtime license.

What is the front panel protection rating of this unit?

The front face of the MP 377 achieves IP65 protection, making it resistant to dust ingress and low-pressure water jets, suitable for installation in industrial control cabinets.

What operating system does the SIMATIC MP 377 run on?

The MP 377 runs on Windows CE 6.0, which provides the runtime environment for WinCC flexible and supports multitasking for simultaneous visualization and communication tasks.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the power connector. Verify the supply is within the specified tolerance range. Inspect internal fuses if accessible.

Ensure the power supply delivers a stable 24 V DC. Replace any blown fuses. If the backlight has failed, the display unit or backlight inverter may require replacement.

Touchscreen does not respond or responds inaccurately

Determine whether the issue is a complete lack of response or positional inaccuracy. Check for physical damage or contamination on the screen surface.

Perform a touchscreen calibration via the Windows CE Control Panel under Start > Settings. If calibration does not resolve the issue, the resistive touch overlay may be damaged and require replacement.

HMI panel cannot establish communication with the PLC

Check the PROFIBUS or Ethernet cable connections and verify the bus address or IP address settings on both the panel and the PLC match the project configuration.

Correct any address mismatches in the HMI project or PLC configuration. Replace faulty cables or connectors. Ensure PROFIBUS termination resistors are correctly placed at both ends of the bus segment.

Panel repeatedly restarts or crashes during runtime

Monitor available RAM and flash memory via the Windows CE system settings. Check the HMI project for resource-intensive scripts or excessive tag polling rates.

Reduce the number of simultaneously active screens and optimize tag update cycles. Delete unnecessary log files and recipe data. Reload the project after optimization. If hardware failure is suspected, the main board may require inspection or replacement.

Project transfer from PC to panel fails

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

Switch the panel to Transfer mode manually via the Start Center menu. Use the correct IP address or communication port in WinCC flexible transfer settings. Disable PC firewall temporarily to rule out network blocking.

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