Siemens 6AV6146-4MM41-3KY2 SIMATIC MP 377

Name: Siemens 6AV6146-4MM41-3KY2 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-4MM41-3KY2
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6146-4MM41-3KY2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-4MM41-3KY2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI Multi Panel series, designed for demanding visualization and operator control tasks in industrial automation environments. This panel features a 19-inch widescreen TFT display and is part of Siemens' high-performance HMI portfolio, offering robust operator interface capabilities for complex process visualization. It is engineered to integrate seamlessly within Siemens SIMATIC automation architectures.

The MP 377 19" is equipped with a resistive touchscreen and an additional membrane keyboard, providing flexible operator input options. It runs on a Windows CE 6.0 operating system and is configured using Siemens WinCC flexible engineering software. The panel supports multiple communication interfaces including PROFIBUS DP, PROFINET IO (Ethernet), MPI, and USB ports, enabling connectivity to a wide range of Siemens PLCs and third-party controllers. Onboard memory includes 12 MB user memory for project data, and the unit supports Compact Flash card expansion for additional storage.

The SIMATIC MP 377 is widely deployed in industries such as automotive manufacturing, chemical processing, water and wastewater treatment, food and beverage production, and machine building. Its large display area and multi-interface connectivity make it suitable for supervisory control panels, central operator stations, and process visualization systems where a high density of information must be presented clearly to operators. The panel's robust construction and wide operating temperature range ensure reliable performance in harsh industrial environments.

Technical Specifications

Display Size	19 inch
Display Type	TFT widescreen
Display Resolution	1280 x 1024 px
Display Colors	16.7 million colors
Touch Technology	Resistive touchscreen
Input Voltage	24 V DC
Power Consumption	Approx. 60 W
Communication Interface	PROFIBUS DP, PROFINET IO (Ethernet), MPI, USB
User Memory	12 MB
Memory Expansion	Compact Flash card slot
Operating System	Windows CE 6.0
Engineering Software	WinCC flexible 2008 SP2 or higher
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: 1000: Connection to PLC lost or communication timeout on configured connection.
Check physical network connections, verify PLC is powered and running, confirm IP address or PROFIBUS address settings in the project configuration.
Event ID: 1003: Tag read/write error — the HMI panel cannot read or write a configured tag from the PLC.
Verify the tag address exists in the PLC program, check data type compatibility, and confirm the PLC is in RUN mode.
Event ID: 2010: Project download failed or project data is corrupted on the panel.
Re-download the project from WinCC flexible, check USB or Ethernet connection during transfer, and verify sufficient user memory is available.
Event ID: 4000: System memory low — available runtime memory is critically low.
Reduce the number of simultaneously active screens or objects, optimize the project, and consider reducing log buffer sizes.
Event ID: 5000: Compact Flash card not detected or read/write error on CF card.
Re-seat the Compact Flash card, verify the card is formatted correctly (FAT), and replace the card if errors persist.
Event ID: 6010: Internal hardware fault detected — panel self-diagnostic has identified a hardware error.
Perform a panel restart. If the fault persists, the unit requires service or replacement of the internal hardware module.
Event ID: 7000: Backup battery low or battery failure — real-time clock data may be lost on power cycle.
Replace the internal backup battery with the correct Siemens-specified battery type and reset the real-time clock after replacement.

Frequently Asked Questions

What engineering software is required to program the SIMATIC MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 SP2 or later. Projects can be transferred to the panel via Ethernet, USB, or Compact Flash card.

Which PLCs are compatible with the Siemens MP 377 19"?

The MP 377 supports communication with Siemens SIMATIC S7-300, S7-400, S7-1200, and S7-1500 PLCs via MPI, PROFIBUS DP, or PROFINET IO. It also supports connections to third-party controllers via OPC or serial protocols.

What is the input voltage requirement for the 6AV6146-4MM41-3KY2?

The panel operates on 24 V DC supply voltage. Ensure the power supply is rated for at least 60 W to support stable operation.

Does the MP 377 support remote access or web-based visualization?

The MP 377 supports Sm@rtAccess and Sm@rtService functions, allowing remote monitoring and control via a standard web browser over an Ethernet network connection.

Can the Compact Flash card be used to back up and restore projects?

Yes, the Compact Flash card slot can be used to back up the current project and operating system, and to restore or update the panel without a PC connection.

Troubleshooting

Display remains blank after power on

Measure 24 V DC at the power supply connector on the rear of the panel. Check that the supply voltage is within tolerance. Observe whether the backlight illuminates briefly at startup.

If supply voltage is correct but display remains blank, the backlight inverter or internal power board may have failed. Inspect internal fuses if accessible, and replace the faulty internal component or the panel unit.

Touchscreen does not respond or registers incorrect touch positions

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

Run the touchscreen calibration routine from the Windows CE Control Panel. If calibration does not resolve the issue, the resistive touch layer may be damaged and requires panel repair or replacement.

Panel fails to establish communication with the PLC

Verify the PROFIBUS address or IP address configured in the HMI project matches the physical network settings. Check cable connections and network switch status. Use the panel's diagnostic tools to ping the PLC.

Correct any address mismatches in the WinCC flexible project and re-download. Replace faulty Ethernet or PROFIBUS cables, and ensure the PLC is in RUN mode and accessible on the network.

Panel repeatedly reboots or freezes during operation

Check the 24 V DC supply for voltage drops or ripple under load. Review the system event log on the panel for recurring event IDs. Check for overheating by verifying ambient temperature and ventilation around the panel.

Stabilize the power supply, ensure adequate ventilation, and reduce project complexity if memory usage is high. If the issue persists, perform a factory reset and re-download the project, or send the unit for hardware inspection.

Project download fails or transfer is interrupted

Check the USB or Ethernet cable connection between the engineering PC and the panel. Verify that WinCC flexible is set to the correct transfer channel and that the panel is in Transfer mode.

Switch the panel to Transfer mode via the Start Center, use a known-good cable, and retry the download. Ensure the PC firewall is not blocking the transfer port, and verify sufficient free memory on the panel before downloading.

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