Siemens 6AV6146-4MM40-0KY0 SIMATIC MP 377

Name: Siemens 6AV6146-4MM40-0KY0 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-4MM40-0KY0
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6146-4MM40-0KY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-4MM40-0KY0 is a Multi Panel belonging to 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 runs on the Windows CE operating system and is engineered for integration with Siemens SIMATIC controllers as well as third-party PLC systems.

The MP 377 15" Touch features a high-resolution 1024 x 768 pixel XGA TFT display with 64,000 colors and resistive touch screen technology. It is equipped with a 1 GHz processor, 128 MB RAM, and 128 MB flash memory for application storage. Communication interfaces include PROFIBUS DP, PROFINET (Ethernet), MPI, RS-422/485, and USB ports, enabling flexible integration into a wide range of automation architectures. The panel supports WinCC flexible runtime software and offers robust EMC characteristics suitable for industrial cabinet installation.

The SIMATIC MP 377 is widely deployed in machine building, process automation, and plant engineering applications where a large-format, high-performance HMI is required. It is commonly found in the automotive, food and beverage, chemical, and packaging industries. Its multi-protocol communication capability and large display size make it suitable for complex visualization tasks requiring simultaneous display of multiple process values and graphical overviews.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 px (XGA)
Display Colors	64,000 colors
Display Type	TFT LCD
Touch Technology	Resistive touch screen
Processor	1 GHz
RAM	128 MB
Flash Memory	128 MB
Operating System	Windows CE 6.0
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 60 W
Communication Interface	PROFIBUS DP, PROFINET (Ethernet), MPI, RS-422/485, USB
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), IP20 (rear)
Mounting	Panel mounting
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 1000: System startup error — the HMI runtime failed to initialize correctly during boot.
Perform a power cycle. If the error persists, check the integrity of the WinCC flexible project and reload it via the Transfer function.
Event ID: 10000: Connection to the configured PLC could not be established.
Verify PROFIBUS/MPI address settings, check physical cable connections, and confirm the PLC is powered and in RUN mode.
Event ID: 10001: Communication timeout — the HMI lost connection to the PLC during operation.
Check network cabling and termination resistors on PROFIBUS. Verify the PLC program is running and the configured connection parameters match on both devices.
Event ID: 40000: Tag read error — a configured tag could not be read from the controller.
Verify the tag address in the WinCC flexible project matches the actual PLC data block or memory address. Check PLC program for address changes.
Event ID: 40001: Tag write error — a value could not be written to the controller tag.
Check that the target PLC address is not write-protected. Verify the data type of the tag matches the PLC variable definition.
Event ID: 70010: Recipe data error — recipe records could not be read from or written to storage.
Check available flash memory capacity. Verify the recipe configuration in WinCC flexible and attempt to re-transfer the project to the panel.
Event ID: 20000: Alarm logging error — the alarm buffer is full or the alarm log file cannot be written.
Clear the alarm log on the HMI panel. Check available storage space and verify the alarm logging configuration in the WinCC flexible project.

Frequently Asked Questions

What software is required to configure and program the SIMATIC MP 377?

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

Which PLC systems are compatible with the SIMATIC MP 377?

The MP 377 natively supports Siemens SIMATIC S7-300, S7-400, S7-1200, and S7-1500 controllers via MPI, PROFIBUS DP, or PROFINET. It also supports third-party PLCs via serial communication drivers included in WinCC flexible.

What is the supply voltage for the 6AV6146-4MM40-0KY0?

The panel operates on 24 V DC with a typical power consumption of approximately 60 W.

Can the MP 377 run custom Windows CE applications alongside WinCC flexible?

Yes, the MP 377 runs Windows CE 6.0 and can execute additional CE-compatible applications. However, Siemens recommends ensuring that additional applications do not interfere with the WinCC flexible runtime performance.

What is the front panel protection rating of the 6AV6146-4MM40-0KY0?

The front panel is rated IP65, making it suitable for installation in environments where dust and water spray protection is required. The rear of the unit is rated IP20.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector. Check for correct polarity. Inspect internal fuses if accessible.

Ensure the supply voltage is within the 24 V DC tolerance range (typically 19.2–28.8 V DC). Replace any blown fuses. If the backlight has failed, the panel may require backlight or power supply board replacement.

Touch screen does not respond or registers incorrect touch positions

Check whether the touch screen is physically damaged or contaminated. Attempt to recalibrate the touch screen via the Windows CE Control Panel or the Start Center.

Clean the touch surface with a soft, dry cloth. Perform a touch screen recalibration from the panel's Start Center. If calibration fails repeatedly, the resistive touch overlay may need replacement.

HMI cannot establish communication with the PLC

Verify the communication interface settings (MPI address, PROFIBUS address, or IP address) on both the HMI and the PLC. Check physical cable connections and bus termination.

Correct any mismatched address or protocol settings in the WinCC flexible project and re-transfer to the panel. Replace damaged cables and ensure proper PROFIBUS termination resistors are in place at both ends of the bus.

Panel freezes or restarts unexpectedly during operation

Check the supply voltage for ripple or voltage drops under load. Review the alarm and event logs in WinCC flexible for software exceptions. Check operating temperature inside the cabinet.

Stabilize the 24 V DC power supply and ensure adequate cabinet ventilation to keep the panel within its 0–50 °C operating range. Re-transfer the WinCC flexible project to rule out project file corruption.

Project transfer fails when attempting to load a new WinCC flexible project

Verify the transfer channel settings on the panel (Start Center > Transfer) and in WinCC flexible. Check that the USB cable or Ethernet connection is functional and that no firewall is blocking the transfer.

Set the panel to Transfer mode via the Start Center before initiating the download. Use a known-good USB or Ethernet cable. Ensure the WinCC flexible version used to create the project is compatible with the panel's firmware version.

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