Siemens 6AV6146-3NP40-0KY3 SIMATIC MP 377

Name: Siemens 6AV6146-3NP40-0KY3 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6146-3NP40-0KY3
Price: 3495.00 EUR
Availability: InStock

€ 3.495,00

Condition

Clear

SKU: 6AV6146-3NP40-0KY3 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6146-3NP40-0KY3 is a Multi Panel (MP 377) belonging to the SIMATIC HMI family, designed for demanding visualization and operator control tasks in industrial automation environments. This panel features a 19-inch widescreen TFT display and runs on the Windows CE operating system, providing a robust and flexible platform for process visualization. It is part of Siemens' high-performance Multi Panel series, which bridges the gap between standard operator panels and full PC-based systems.

The MP 377 19" Touch (6AV6146-3NP40-0KY3) is equipped with a resistive touchscreen interface and supports a display resolution of 1366 x 768 pixels with 16-bit color depth. It features multiple communication interfaces including PROFINET, MPI/PROFIBUS DP, USB, and Ethernet, enabling seamless integration into a wide range of automation architectures. The panel includes 12 MB user memory for project data, supports WinCC flexible runtime software, and is built to operate reliably in industrial conditions with an IP65 front protection rating. An integrated CF card slot and USB ports provide flexible options for data storage and peripheral connectivity.

The SIMATIC MP 377 is widely deployed in manufacturing, process industries, water and wastewater treatment, and energy management applications where large-format visualization and reliable operator interaction are required. Its 19-inch display makes it particularly suitable for complex process overviews, SCADA-style visualization at machine level, and applications requiring simultaneous display of multiple process variables. The panel is compatible with Siemens S7-300, S7-400, and S7-1500 PLC families, making it a natural fit within existing Siemens automation infrastructure.

Technical Specifications

Display Size	19 inch
Display Resolution	1366 x 768 pixels
Display Colors	65536 colors (16-bit)
Display Type	TFT LCD
Touch Technology	Resistive touchscreen
Operating System	Windows CE 6.0
User Memory	12 MB
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Communication Interface	PROFINET, MPI/PROFIBUS DP, Ethernet (RJ45), USB 2.0
IP Protection Rating (Front)	IP65
IP Protection Rating (Rear)	IP20
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
Mounting	Panel mounting
Certifications	CE, UL, cULus

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 interrupted.
Check physical network connections and cable integrity. Verify PLC is powered and running. Confirm IP address and communication parameters in the WinCC flexible project match the PLC configuration.
Event ID: 10001: Connection to PLC timed out. The HMI did not receive a response from the controller within the expected time window.
Check network load and reduce polling cycles if necessary. Verify PLC program is not in STOP mode. Inspect Ethernet or PROFIBUS cabling for faults.
Event ID: 20000: Tag read error. The HMI was unable to read the value of a configured tag from the PLC.
Verify the tag address exists in the PLC program and has not been moved or deleted. Check data block numbers and variable addresses in the WinCC flexible project.
Event ID: 20001: Tag write error. A write operation to a PLC tag failed.
Confirm the target PLC memory area is not write-protected. Check that the tag address and data type in the HMI project match the PLC program definition.
Event ID: 40000: Project loading error. The runtime project could not be loaded correctly from storage.
Transfer the project again from the engineering PC using WinCC flexible. Check the CF card or internal memory for corruption. Ensure the project was compiled without errors before transfer.
Event ID: 50000: System memory low. Available runtime memory is insufficient for the current project or operation.
Reduce the number of active screens or logged tags. Optimize the project by removing unused elements. Consider archiving historical data to an external storage device.
Event ID: 70000: Recipe data error. A recipe transfer or read/write operation failed.
Check recipe configuration in WinCC flexible. Verify that the recipe data record is not corrupted. Re-transfer the project and test recipe operations.
Event ID: 80000: Alarm logging error. The HMI was unable to write alarm entries to the configured archive.
Check available storage space on the CF card or internal memory. Verify alarm archive settings in WinCC flexible. Clear old archive data if storage is full.

Frequently Asked Questions

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

The MP 377 requires Siemens WinCC flexible 2008 or later for project engineering and transfer. It is not compatible with the newer TIA Portal WinCC Runtime Advanced without migration.

Which Siemens PLCs are compatible with the MP 377?

The MP 377 is compatible with Siemens S7-300, S7-400, S7-1500, and S7-200 PLCs via MPI, PROFIBUS DP, or PROFINET/Ethernet connections, depending on the PLC model and communication module fitted.

What is the input voltage requirement for the 6AV6146-3NP40-0KY3?

The panel requires a 24 V DC power supply. The permissible voltage range is typically 19.2 V DC to 28.8 V DC.

Does the MP 377 support CF card memory expansion?

Yes, the MP 377 includes a CompactFlash (CF) card slot that can be used for project storage, data logging, recipe storage, and backup of the operating system and project data.

What is the front panel protection rating of this unit?

The front panel of the 6AV6146-3NP40-0KY3 carries an IP65 protection rating, making it suitable for installation in control cabinet doors where it may be exposed to dust and water jets.

Troubleshooting

Display remains blank after power on

Measure 24 V DC supply voltage at the power connector. Check that the voltage is within the 19.2–28.8 V DC permissible range. Inspect internal fuse if accessible.

Correct the supply voltage if out of range. Replace the power supply unit if voltage is absent at the panel connector. If voltage is correct but display remains blank, the backlight or internal power board may require replacement.

Touchscreen does not respond or responds inaccurately

Attempt to recalibrate the touchscreen via the Windows CE control panel or the SIMATIC HMI startup menu. Check for physical damage or contamination on the screen surface.

Perform a touchscreen recalibration through the panel's Start Center. Clean the screen surface with a soft, dry cloth. If calibration fails repeatedly, the resistive touch layer may be damaged and the panel front assembly should be replaced.

HMI cannot establish communication with the PLC

Verify physical cable connections on the PROFINET or MPI/PROFIBUS port. Check that the IP address, subnet mask, and PLC address configured in the WinCC flexible project match the actual PLC settings.

Correct any mismatched communication parameters and re-transfer the project. Replace the Ethernet or PROFIBUS cable if damaged. Test connectivity using a laptop on the same network segment to isolate whether the fault is in the panel or the network infrastructure.

Project transfer from engineering PC fails

Check the USB or Ethernet connection between the engineering PC and the panel. Confirm the panel is in Transfer mode (accessible via the Start Center on the panel).

Switch the panel to Transfer mode manually via the Start Center. Ensure the correct communication channel and panel IP address are configured in WinCC flexible transfer settings. Disable any firewall software on the engineering PC that may block the transfer.

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 alarm and event log on the panel for system error events recorded before the reboot.

Stabilize the power supply by using a dedicated 24 V DC source with adequate current capacity. If the issue persists, back up the project and perform a factory reset of the panel, then re-transfer the project. Persistent instability may indicate a failing internal component requiring repair.

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