
Siemens 6AV6146-3NP41-1KY3 SIMATIC MP 377
€ 2.495,00
The Siemens 6AV6146-3NP41-1KY3 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for demanding machine-level and process visualization tasks. This panel features a 19-inch widescreen TFT display and is part of the SIMATIC MP 377 series, which represents Siemens' high-performance operator panel range. It is intended for use as a standalone HMI device in industrial automation environments, running the WinCC flexible runtime environment.
The MP 377 19" panel is equipped with a resistive touchscreen and an optional keypad interface, providing flexible operator input options. It features a 1 GHz processor with 256 MB RAM and 256 MB flash memory, ensuring smooth runtime performance for complex visualizations. Communication interfaces include PROFINET (RJ45), MPI/PROFIBUS DP (RS 422/485), USB ports, and an Ethernet interface, enabling integration into a wide range of automation networks. The unit operates on 24 V DC supply voltage and carries CE and UL certifications.
The SIMATIC MP 377 is widely deployed in the automotive, food and beverage, chemical, and machine-building industries where large-format, high-resolution HMI visualization is required. Its robust industrial design and broad communication capabilities make it suitable for integration with Siemens S7-300, S7-400, and S7-1500 PLC families, as well as third-party controllers via OPC or Modbus protocols. The panel is typically mounted in control cabinet doors or operator stations requiring a large display area.
Technical Specifications
| Display Size | 19 inch |
|---|---|
| Display Type | TFT widescreen |
| Display Resolution | 1280 x 1024 px |
| Display Colors | 16 million colors |
| Touch Technology | Resistive touchscreen |
| Input Voltage | 24 V DC |
| Power Consumption | Max. 60 W |
| Processor | 1 GHz |
| RAM | 256 MB |
| Flash Memory | 256 MB |
| Communication Interface | PROFINET (RJ45), MPI/PROFIBUS DP (RS 422/485), USB 2.0, Ethernet |
| Operating Temperature | 0 °C to +50 °C |
| Storage Temperature | -20 °C to +60 °C |
| IP Rating (Front) | IP65 |
| Certifications | CE, UL, cULus |
| Mounting | Panel mounting |
Common Error Codes and System Events
- Event ID: 10000
- Communication error between HMI panel and PLC controller. Connection to the configured PLC could not be established or was interrupted.
Check network cabling and connector integrity. Verify PLC address settings and communication parameters in WinCC flexible project. Ensure PLC is in RUN mode. - Event ID: 10001
- Tag read error. The HMI panel was unable to read a configured tag value from the PLC.
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: 10002
- Tag write error. A write operation to a PLC tag failed.
Check that the target PLC memory area is not write-protected. Verify tag configuration and PLC access rights in the project settings. - Event ID: 20000
- Project download error. Transfer of the WinCC flexible project to the panel was unsuccessful.
Ensure the panel is in Transfer mode. Check the communication cable or network connection between the engineering PC and the panel. Verify sufficient flash memory is available on the panel. - Event ID: 40000
- System memory low warning. Available runtime memory on the panel is critically low.
Reduce the number of simultaneously active screens or objects. Optimize the project by reducing image sizes and script complexity. Restart the panel to clear memory. - Event ID: 50000
- Internal device error or hardware fault detected on the panel.
Perform a panel restart. If the fault persists, back up the project and perform a factory reset via the Control Panel. Contact Siemens support if the error recurs after reset. - Event ID: 70000
- Backup/restore error. A backup or restore operation of the panel project or data records failed.
Check the storage medium (USB or memory card) for sufficient space and correct formatting. Retry the operation and ensure the panel is not in runtime mode during backup.
Frequently Asked Questions
Which PLC families are compatible with the SIMATIC MP 377?
The MP 377 is compatible with Siemens S7-300, S7-400, S7-1500, and S7-200 PLC families via MPI, PROFIBUS DP, or PROFINET. It also supports third-party controllers through OPC, Modbus TCP, and Modbus RTU protocols.
What software is used to configure and program the MP 377?
The MP 377 is configured using Siemens WinCC flexible 2008 or later. It can also be integrated into the TIA Portal environment using WinCC for certain project types.
What is the input voltage requirement for the 6AV6146-3NP41-1KY3?
The panel requires a 24 V DC power supply. It is recommended to use a regulated power supply with sufficient current capacity, typically at least 2.5 A.
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 with the supplied sealing gasket, making it suitable for environments with dust and water spray.
Can the MP 377 operate as a standalone device without a PLC connection?
Yes, the MP 377 can run a WinCC flexible project in standalone mode for demonstration or local data logging purposes, but real-time process control requires a connected PLC.
Troubleshooting
Display remains blank after power is applied
Measure 24 V DC at the power supply connector on the rear of the panel. Check the internal fuse and verify the power supply unit output voltage is within tolerance.
Replace the power supply if voltage is absent or out of range. If voltage is correct, the backlight inverter or display assembly may be faulty and require replacement.
Touchscreen does not respond or registers incorrect touch positions
Check for physical damage or contamination on the touchscreen surface. Access the Control Panel on the panel and run the touchscreen calibration utility.
Clean the touchscreen surface with a soft, dry cloth. Recalibrate the touchscreen via Start > Control Panel > Touch Calibration. If calibration fails repeatedly, the touchscreen digitizer may need replacement.
Panel fails to establish communication with the PLC
Verify the PROFINET or PROFIBUS cable connections at both the panel and PLC ends. Check the IP address or MPI/PROFIBUS address configuration in the WinCC flexible project matches the PLC settings.
Correct any address mismatches in the project configuration and re-download to the panel. Replace the communication cable if continuity testing reveals a fault. Ensure the PLC is powered and in RUN mode.
WinCC flexible project cannot be transferred to the panel
Confirm the panel is set to Transfer mode via Start > Control Panel > Transfer. Check the Ethernet or USB connection between the engineering PC and the panel.
Switch the panel to Transfer mode and retry the download. If using Ethernet, verify the PC and panel are on the same subnet. Ensure sufficient flash memory is available by deleting unused files via the panel's file manager.
Panel reboots unexpectedly or freezes during operation
Check the 24 V DC supply for voltage dips or ripple using an oscilloscope or multimeter. Review the WinCC flexible project for memory-intensive scripts or excessive simultaneous connections.
Stabilize the power supply by using a dedicated regulated 24 V DC source. Optimize the project by reducing script complexity and the number of active connections. Update the panel firmware to the latest version available from Siemens.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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