Siemens 6AV6644-5AB10-1BS0 MP 377

€ 1.350,00

SKU: 6AV6644-5AB10-1BS0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6644-5AB10-1BS0 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 is part of the MP 377 series, which offers a 12-inch widescreen TFT display and is engineered for use with Siemens SIMATIC controllers as well as third-party PLC systems. It serves as a high-performance operator panel capable of handling complex process visualization requirements.

The MP 377 12" features a 12.1-inch TFT display with a resolution of 800 x 600 pixels (SVGA) and supports 256 colors. It is equipped with a resistive touch screen and an integrated membrane keyboard, providing flexible operator input options. The panel runs on WinCC flexible runtime software and supports multiple communication interfaces including PROFIBUS DP, PROFINET IO (Ethernet), MPI, and serial RS-422/RS-485. It provides 12 MB of user memory for project data and supports USB ports for data transfer and peripheral device connection. The unit operates on a 24 V DC supply and is rated to IP65 on the front face for protection against dust and water ingress.

The MP 377 is widely deployed in manufacturing, process automation, energy management, and machine tool industries where a robust and versatile HMI solution is required. Its compatibility with SIMATIC S7-300, S7-400, and S7-1500 PLCs makes it a common choice for system integrators working within Siemens automation architectures. The panel is also suitable for applications in water treatment, food and beverage processing, and automotive production lines where reliable process monitoring and control are essential.

Technical Specifications

Display Size	12.1 inch
Display Resolution	800 x 600 pixels (SVGA)
Display Colors	256 colors
Display Type	TFT LCD
Touch Technology	Resistive touch screen
Input Voltage	24 V DC
Power Consumption	Max. 30 W
Communication Interface	PROFIBUS DP, PROFINET IO (Ethernet), MPI, RS-422/RS-485
User Memory	12 MB
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
Series/Product Family	SIMATIC HMI MP 377

Common Error Codes and System Events

Event ID: 10000: Communication error between the HMI panel and the connected PLC. The configured connection cannot be established or has been interrupted.
Check the communication cable and connector integrity. Verify PLC address settings and ensure the PLC is in RUN mode. Check PROFIBUS or Ethernet network configuration in WinCC flexible.
Event ID: 10001: Connection to the PLC was established but subsequently lost during operation.
Inspect network cabling for loose connections or damage. Verify that the PLC program is running and that no address conflicts exist on the network. Restart the HMI panel if the connection does not recover automatically.
Event ID: 20000: Tag read error. The HMI panel is unable to read the value of a configured tag from the PLC.
Verify that the tag address in the WinCC flexible project matches the actual PLC data block or memory address. Ensure the PLC program has not been modified without updating the HMI project.
Event ID: 20001: Tag write error. The HMI panel is unable to write a value to the configured PLC tag.
Check that the target PLC memory area is not write-protected. Verify tag addressing in the WinCC flexible project and confirm the PLC is in a state that allows write access.
Event ID: 40000: Project download error. A project transfer to the HMI panel has failed or was interrupted.
Ensure the transfer cable or network connection is stable. Verify that the WinCC flexible project is compiled without errors before initiating transfer. Check available user memory on the panel.
Event ID: 50000: Internal system error on the HMI panel. A software or firmware fault has been detected.
Perform a panel restart. If the error persists, restore the panel to factory settings using the Control Panel loader menu and re-transfer the HMI project. Check for firmware updates compatible with this panel.
Event ID: 60000: Backup/restore error. A data backup or restore operation on the HMI panel has failed.
Check the USB storage device for sufficient free space and correct formatting (FAT32). Ensure the backup file is not corrupted. Retry the operation using the panel's Control Panel loader.
Event ID: 70000: Recipe data error. A recipe read or write operation has encountered an inconsistency or failure.
Verify the recipe configuration in the WinCC flexible project. Check that the recipe data records are not corrupted. Re-transfer the project and clear existing recipe data if necessary.

Frequently Asked Questions

What communication protocols does the MP 377 12" support?

The MP 377 12" supports PROFIBUS DP, PROFINET IO (Ethernet), MPI, and serial RS-422/RS-485 interfaces, allowing connectivity to a wide range of Siemens and third-party PLC systems.

Which Siemens PLCs are compatible with the 6AV6644-5AB10-1BS0?

This panel is compatible with SIMATIC S7-300, S7-400, S7-1500, and S7-200 PLCs via the appropriate communication interfaces. It can also communicate with third-party controllers using supported protocols.

What software is required to configure and program this HMI panel?

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

What is the front panel protection rating of the 6AV6644-5AB10-1BS0?

The front face of the panel is rated IP65, providing full protection against dust ingress and protection against low-pressure water jets from any direction.

Does the MP 377 support USB peripherals?

Yes, the MP 377 is equipped with USB ports that support data transfer via USB storage devices as well as connection of USB peripherals such as keyboards and barcode scanners.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel's power connector. Check that the voltage is within the specified range and that polarity is correct. Inspect the internal fuse if accessible.

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

HMI panel fails to establish communication with the PLC

Verify the communication cable type and wiring for the selected interface (PROFIBUS, MPI, or Ethernet). Check the PLC address and network settings configured in the WinCC flexible project match the physical setup.

Correct any address mismatches or cable faults. Ensure the PLC is powered and in RUN mode. Re-download the HMI project after correcting configuration errors and restart both the panel and PLC if necessary.

Touch screen does not respond accurately or registers incorrect touch positions

The resistive touch screen may require recalibration, particularly after a firmware update or if the panel has been subjected to physical stress. Access the calibration utility via the Control Panel in the loader menu.

Perform a touch screen recalibration from the panel's Control Panel loader. If calibration does not resolve the issue, inspect the touch screen overlay for physical damage or contamination and replace the touch screen assembly if necessary.

Project transfer from WinCC flexible fails or is interrupted

Check the transfer connection (USB or Ethernet) for stability. Verify that the panel is in transfer mode and that no firewall or network policy is blocking the connection on the engineering PC.

Switch the panel to transfer mode via the loader menu. Disable any firewall on the PC temporarily during transfer. Ensure the WinCC flexible project compiles without errors before attempting the transfer again.

Panel reboots unexpectedly or freezes during operation

Check the 24 V DC supply for voltage dips or ripple that may cause instability. Review the system event log on the panel for recorded fault events. Inspect the ambient temperature around the panel for overheating conditions.

Stabilize the power supply and ensure adequate ventilation around the panel. If overheating is suspected, reduce ambient temperature or improve cabinet ventilation. If the issue persists, perform a firmware update or restore the panel to factory settings and re-transfer the project.

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