Siemens 6AV6146-4MM40-2KY0 SIMATIC MP 377

Name: Siemens 6AV6146-4MM40-2KY0 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-4MM40-2KY0
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6146-4MM40-2KY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-4MM40-2KY0 is a Multi Panel from the SIMATIC MP 377 series, part of Siemens' SIMATIC HMI product line. This unit features a 15-inch TFT display and is designed for demanding visualization and operator control tasks in industrial automation environments. It belongs to the high-performance Multi Panel family, which supports both panel-based and PC-based operation modes.

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 a 1 GHz processor, 256 MB RAM, and 256 MB flash memory, providing substantial processing power for complex HMI applications. Communication interfaces include PROFIBUS DP, PROFINET (Ethernet), USB, and a serial RS-422/RS-485 interface, enabling integration with a wide range of Siemens and third-party controllers. The panel runs on Windows CE 6.0 and is configured using WinCC flexible or TIA Portal WinCC.

The SIMATIC MP 377 is widely used in machine building, automotive manufacturing, process industries, and factory automation where large-format, high-resolution operator panels are required. Its robust industrial design, wide operating temperature range, and broad communication capabilities make it suitable for central control stations, production line visualization, and complex SCADA-style local HMI applications. The panel's compatibility with SIMATIC S7 PLCs and support for multiple fieldbuses makes it a versatile choice for both new installations and system upgrades.

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
Processor	1 GHz
RAM	256 MB
Flash Memory	256 MB
Operating System	Windows CE 6.0
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 60 W
Communication Interface	PROFIBUS DP, PROFINET (Ethernet RJ45), USB 2.0, RS-422/RS-485
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
IP Rating (Front)	IP65
IP Rating (Rear)	IP20
Mounting	Panel mounting
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 70000: Configuration error detected during startup; project data may be corrupted or incompatible with the panel firmware version.
Reload the HMI project using WinCC flexible or TIA Portal. Ensure the project version matches the firmware version on the panel.
Event ID: 40000: Communication connection to the PLC has been lost or cannot be established.
Check PROFIBUS or PROFINET cabling and connector integrity. Verify PLC address settings and ensure the PLC is in RUN mode.
Event ID: 100000: System memory (RAM) is critically low, which may cause application instability or crashes.
Reduce the number of active screens or runtime processes. Consider upgrading the project to reduce memory footprint.
Event ID: 110000: Flash memory is nearly full; insufficient space for logging or project storage.
Delete unnecessary log files, archived data, or unused project files from the panel flash memory.
Event ID: 50000: Tag communication error; one or more configured tags cannot be read from or written to the controller.
Verify tag addresses in the HMI project match the actual PLC data block structure. Check communication settings and PLC program.
Event ID: 130000: Backup battery voltage is low; real-time clock data may be lost on power failure.
Replace the internal backup battery (CR2032 or equivalent as specified in the device manual) to maintain RTC functionality.
Event ID: 10000: Operating system or firmware error detected; panel may fail to boot correctly.
Perform a firmware update using a USB stick with the correct firmware image. If the issue persists, contact Siemens technical support.

Frequently Asked Questions

What software is used to configure the SIMATIC MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 or TIA Portal with the WinCC option. Projects created in WinCC flexible can be transferred to the panel via Ethernet, USB, or a memory card.

Which PLCs are compatible with the SIMATIC MP 377?

The MP 377 is compatible with the full range of SIMATIC S7 PLCs (S7-300, S7-400, S7-1200, S7-1500) via PROFIBUS DP or PROFINET. It also supports third-party controllers through serial communication protocols.

What is the supply voltage for the 6AV6146-4MM40-2KY0?

The panel operates on 24 V DC. Ensure the power supply is within the specified tolerance range as stated in the device manual.

Does the MP 377 support remote access or VNC?

Yes, the SIMATIC MP 377 supports VNC (Virtual Network Computing), allowing remote monitoring and control of the HMI screen over an Ethernet network.

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

The front panel of the MP 377 achieves IP65 protection when correctly installed in a panel cutout with the supplied seal, making it resistant to dust and water jets.

Troubleshooting

Display remains blank after power is applied

Check the 24 V DC supply voltage at the power connector. Verify the supply is within tolerance and the connector is firmly seated. Check if the backlight enable signal is active.

If supply voltage is correct and the panel does not boot, attempt a firmware recovery via USB. If the backlight is faulty, the display assembly or inverter board may require replacement.

Touchscreen does not respond or registers incorrect touch positions

Inspect the touchscreen surface for damage, contamination, or moisture. Check if the touch calibration has drifted, which can occur after firmware updates or long-term use.

Perform a touchscreen recalibration through the panel's Start Center or Control Panel. If calibration does not resolve the issue, the resistive touch overlay may need to be replaced.

Panel fails to communicate with the PLC over PROFINET

Verify the Ethernet cable and RJ45 connector are undamaged. Check the IP address configuration on both the panel and the PLC. Use a network scanner to confirm the panel is visible on the network.

Correct any IP address conflicts or subnet mismatches. Replace the Ethernet cable if damaged. Ensure the PROFINET device name assigned in the HMI project matches the name configured in the PLC hardware configuration.

HMI project transfer fails or times out

Check the transfer channel settings in WinCC flexible or TIA Portal. Verify the panel is in Transfer mode and that firewall or antivirus software on the engineering PC is not blocking the connection.

Set the panel to Transfer mode manually via the Start Center. Disable any firewall blocking port 102 (S7 communication) or the relevant transfer port. Try transferring via USB if Ethernet transfer is unreliable.

Panel reboots unexpectedly or freezes during operation

Check for excessive ambient temperature around the panel. Review the system event log in the panel's Start Center for recurring event IDs. Check the 24 V DC supply for voltage dips or noise.

Ensure adequate ventilation around the panel and that ambient temperature is within the 0-50 °C operating range. Stabilize the power supply with a suitable filter or UPS. If the issue is software-related, reload the HMI project and update the firmware to the latest version.

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