Siemens 6AV6146-3LP40-3KB2 MP 377

€ 2.995,00

SKU: 6AV6146-3LP40-3KB2 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3LP40-3KB2 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for demanding machine-level visualization and operator control tasks. This panel features a 15-inch TFT widescreen display and operates within the SIMATIC HMI product range, offering a high-performance platform for process visualization. It is engineered for use in industrial environments where reliable human-machine interaction is essential.

The MP 377 (6AV6146-3LP40-3KB2) is equipped with a resistive touch screen and an integrated membrane keyboard, providing flexible operator input options. It supports multiple communication interfaces including PROFIBUS DP and Ethernet (PROFINET), enabling seamless integration with SIMATIC S7 PLCs and third-party controllers. The panel runs on Windows CE and offers 12 MB user memory for project data, along with USB and CF card slots for data storage and project transfer. It operates on a 24 V DC supply and carries CE and UL certifications.

The SIMATIC MP 377 is widely deployed in the manufacturing, automotive, food and beverage, and chemical processing industries. It is particularly suited for machine-level control panels, production lines, and process plants where a combination of touch and key-based operation is required. Its robust construction and wide operating temperature range make it suitable for installation in industrial control cabinets and harsh production environments.

Technical Specifications

Display Size	15 inch
Display Type	TFT widescreen
Display Colors	64,000 colors
Touch Technology	Resistive touchscreen with membrane keyboard
Input/Operating Voltage	24 V DC
Power Consumption	Max. 30 W
User Memory	12 MB
Communication Interface	PROFIBUS DP, Ethernet (PROFINET), RS-422/485
Operating System	Windows CE 6.0
USB Ports	2 x USB 2.0
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 Rating (Front)	IP65
Certifications	CE, UL, cULus
Mounting	Panel mounting

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 is powered and running. Confirm communication parameters (address, baud rate) match in both HMI project and PLC configuration.
Event ID: 10001: Connection to PLC interrupted during runtime. Tags cannot be read or written.
Inspect physical network connections. Check for duplicate PROFIBUS addresses or IP address conflicts. Restart both the HMI panel and PLC if the connection is not restored automatically.
Event ID: 20000: Project download error. Transfer of the HMI project to the panel failed.
Ensure the panel is in Transfer mode before initiating download. Verify the PC and panel are on the same network or correctly connected via USB/serial. Check that ProSave or WinCC flexible is using the correct interface settings.
Event ID: 40000: Insufficient memory for project. The project file exceeds available user memory on the panel.
Reduce the project size by compressing images, removing unused screens, or archiving data externally. Ensure no other applications are consuming panel memory.
Event ID: 70010: System runtime error. An internal software fault has occurred within the HMI runtime environment.
Perform a warm restart of the panel. If the error persists, reload the HMI project using ProSave or WinCC flexible. As a last resort, perform a factory reset and re-download the project.
Event ID: 110000: Tag update cycle time exceeded. The configured update cycle for one or more tags cannot be maintained.
Increase the tag update cycle time in the HMI project configuration. Reduce the number of tags being polled simultaneously. Check for network congestion or PLC processing overload.
Event ID: 130000: Recipe data error. A recipe record could not be read from or written to the configured storage location.
Check that the CF card or USB storage device is properly inserted and formatted. Verify recipe configuration in WinCC flexible. Ensure sufficient free storage space is available.

Frequently Asked Questions

What PLC systems is the Siemens MP 377 (6AV6146-3LP40-3KB2) compatible with?

The MP 377 is primarily designed for use with Siemens SIMATIC S7-300 and S7-400 PLCs via PROFIBUS DP or PROFINET. It also supports communication with S7-200 and third-party controllers through configurable drivers in WinCC flexible.

What software is used to program and configure the MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 or later. Project transfer can be performed via Ethernet, USB, or PROFIBUS using the ProSave utility.

What is the input voltage requirement for the MP 377?

The panel requires a 24 V DC power supply with a maximum power consumption of approximately 30 W. The supply must be within the specified tolerance range to ensure stable operation.

Does the MP 377 support data logging and recipe management?

Yes, the MP 377 supports data logging and recipe management functions. Data can be stored on an internal CompactFlash card or an external USB storage device.

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. 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 that the voltage is within the specified tolerance. Inspect the internal fuse if accessible.

Correct any supply voltage issues. If the supply is confirmed good and the display remains blank, the backlight or internal power board may have failed and the unit should be sent for repair or replacement.

Touchscreen does not respond or responds inaccurately

Check whether the touch input is consistently offset or completely unresponsive. Determine if the issue appeared after a project update or physical impact.

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

HMI cannot establish communication with the PLC

Verify the PROFIBUS or Ethernet cable is correctly connected and undamaged. Check the PROFIBUS address or IP address settings on both the panel and the PLC. Use a network diagnostic tool to confirm connectivity.

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

Panel freezes or restarts unexpectedly during operation

Check the 24 V DC supply for voltage dips or instability using an oscilloscope or multimeter. Review the HMI project for memory-intensive operations or large screen transitions that may overload the processor.

Stabilize the power supply by adding a buffer capacitor or UPS. Optimize the HMI project to reduce processor load. If the issue persists, perform a factory reset and reload the project to rule out software corruption.

Project transfer fails with a connection error

Confirm the panel is set to Transfer mode (accessible via the Start Center on the panel). Verify that the PC firewall is not blocking the WinCC flexible transfer port. Check the Ethernet or USB cable connection.

Disable the PC firewall temporarily during transfer or add an exception for WinCC flexible. Ensure the correct interface is selected in the WinCC flexible transfer settings. Try an alternative transfer medium such as a CF card using ProSave.

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