Siemens 6AV6146-3MM40-2KY0 MP 377

€ 2.495,00

SKU: 6AV6146-3MM40-2KY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3MM40-2KY0 is a Multi Panel (MP 377) belonging to the SIMATIC HMI Multi Panel series, designed for high-performance human-machine interface applications in industrial automation environments. This panel features a 15-inch widescreen TFT display and operates as a standalone HMI unit capable of running WinCC flexible runtime software. It is part of Siemens' established SIMATIC HMI product line, offering robust visualization and control capabilities for demanding industrial settings.

The MP 377 15" Touch variant is equipped with a resistive touchscreen interface and delivers a display resolution of 1024 x 768 pixels with 64,000 colors. It supports multiple communication interfaces including PROFIBUS DP, PROFINET IO (Ethernet), MPI, and USB ports for peripheral connectivity. The panel runs on a 24 V DC supply and incorporates an internal flash memory for project storage, along with a CompactFlash card slot for expanded memory. It operates on a Windows CE-based operating system and supports integration with Siemens S7-200, S7-300, S7-400, and S7-1200 controller families.

The MP 377 is widely deployed in manufacturing, process automation, water treatment, energy management, and machine tool industries where a large, reliable touchscreen interface is required. Its compatibility with PROFIBUS and PROFINET makes it suitable for integration into both legacy and modern Siemens automation architectures. The panel's robust construction and wide operating temperature range make it appropriate for installation in industrial control cabinets and harsh production environments.

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
Operating System	Windows CE 6.0
Communication Interface	PROFIBUS DP, MPI, PROFINET IO (Ethernet RJ45), 2x USB
Memory (Internal Flash)	12 MB (user memory)
Memory Card Slot	CompactFlash (CF) 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 panel)
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/MPI/PROFINET cabling and termination resistors. Verify PLC address settings match the HMI project configuration. Confirm the PLC is powered and in RUN mode.
Event ID: 10001: Connection to PLC interrupted during runtime. The HMI lost communication with the configured controller.
Inspect network cables and connectors for damage. Check bus termination and address conflicts. Restart both the HMI and PLC if the connection does not recover automatically.
Event ID: 20000: Tag read error. The HMI is unable to read a configured tag from the PLC.
Verify the tag address in the WinCC flexible project matches the actual PLC data block or memory area. Check PLC program for deleted or renamed variables.
Event ID: 20001: Tag write error. The HMI failed to write a value to the configured PLC tag.
Check that the target PLC memory area is not write-protected. Verify the tag data type and address in the HMI project. Ensure the PLC is in a state that allows external writes.
Event ID: 40000: Project download error. Transfer of the WinCC flexible project to the panel failed.
Verify the transfer cable or network connection between the engineering PC and the HMI. Ensure the panel is in Transfer mode. Check that the WinCC flexible version is compatible with the panel firmware version.
Event ID: 50000: System memory low. Available runtime memory on the panel is critically low.
Reduce the number of simultaneously active screens or logged data. Clear the alarm buffer and trend data. Consider optimizing the project to reduce memory usage.
Event ID: 60000: Internal device error or hardware fault detected on the panel.
Perform a panel restart. If the error persists, back up the project and perform a factory reset via the Control Panel. Contact Siemens technical support or arrange for hardware inspection if the fault recurs.
Event ID: 70000: Firmware update error. The firmware update process on the panel was interrupted or failed.
Retry the firmware update using ProSave or WinCC flexible with a stable USB or Ethernet connection. Ensure the correct firmware version for the 6AV6146-3MM40-2KY0 is used. Do not power off the panel during the update process.

Frequently Asked Questions

What software is required to program and configure the MP 377 (6AV6146-3MM40-2KY0)?

The MP 377 is configured using Siemens WinCC flexible 2008 or later. Projects are transferred to the panel via Ethernet, USB, or MPI/PROFIBUS using the ProSave utility or directly from WinCC flexible.

Which Siemens PLC families are compatible with this HMI panel?

The MP 377 supports communication with Siemens S7-200, S7-300, S7-400, and S7-1200 PLCs via MPI, PROFIBUS DP, or PROFINET IO, depending on the interface used. Third-party controllers may also be supported via available communication drivers.

What is the display size and touch technology used in the 6AV6146-3MM40-2KY0?

This panel features a 15-inch TFT LCD display with a resolution of 1024 x 768 pixels and uses resistive touch technology for operator input.

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

The front panel 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.

Can the MP 377 be integrated into a PROFINET network?

Yes, the 6AV6146-3MM40-2KY0 includes an Ethernet RJ45 interface that supports PROFINET IO communication, allowing integration into modern Siemens automation networks alongside S7-300, S7-400, and S7-1200 controllers.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the panel power connector. Measure voltage under load to rule out supply issues. Inspect the internal fuse if accessible.

Ensure the 24 V DC supply is within the specified tolerance. Replace the power supply if voltage is absent or out of range. If supply is correct, the internal backlight or power board may require replacement.

Touchscreen does not respond or responds inaccurately

Attempt to recalibrate the resistive touchscreen via the panel's Control Panel settings. Check for physical damage or contamination on the screen surface.

Run the touchscreen calibration routine from the Windows CE Control Panel. Clean the screen surface with a soft, dry cloth. If calibration does not resolve the issue, the touchscreen overlay may need replacement.

HMI cannot establish communication with the PLC

Verify the communication interface settings (MPI address, PROFIBUS address, or IP address) in both the HMI project and the PLC configuration. Check physical cabling and bus termination.

Correct any address mismatches in the WinCC flexible project and reload the project to the panel. Replace or reseat communication cables. Ensure bus terminators are installed at both ends of a PROFIBUS segment.

Panel freezes or restarts unexpectedly during operation

Check the 24 V DC supply for voltage dips or ripple using an oscilloscope or multimeter. Review the alarm and event buffer on the panel for system error events logged before the freeze.

Stabilize the power supply and ensure adequate current capacity. Reduce project complexity if memory usage is high. Update the panel firmware to the latest version compatible with the 6AV6146-3MM40-2KY0 using ProSave.

Project transfer to the panel fails

Confirm the panel is set to Transfer mode via the Start Center. Verify the IP address or MPI/PROFIBUS address used in WinCC flexible matches the panel settings. Check the USB or Ethernet cable connection.

Switch the panel to Transfer mode manually from the Start Center menu. Correct the transfer settings in WinCC flexible. Try an alternative transfer medium (e.g., USB instead of Ethernet). Ensure the WinCC flexible version matches the panel firmware version.

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