Siemens 6AV6645-7CJ00-2AA0 SIMATIC MP 377

Name: Siemens 6AV6645-7CJ00-2AA0 SIMATIC MP 377
Brand: Siemens
SKU: 6AV6645-7CJ00-2AA0
Price: 2342.00 EUR
Availability: InStock

€ 2.342,00

Condition

Clear

SKU: 6AV6645-7CJ00-2AA0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6645-7CJ00-2AA0 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 15-inch TFT display and is part of the MP 377 series, which represents a high-performance class of Siemens HMI devices intended for complex process visualization. The unit runs on Microsoft Windows CE and is engineered for integration into Siemens-based automation architectures.

The MP 377 15" Touch (6AV6645-7CJ00-2AA0) is equipped with a resistive touchscreen and offers a display resolution of 1024 x 768 pixels (XGA) with 64,000 colors. It features multiple communication interfaces including PROFIBUS DP, PROFINET (Ethernet), USB, and a serial MPI/DP interface, enabling flexible connectivity to SIMATIC S7 PLCs and third-party controllers. The panel is configured and programmed using WinCC flexible or TIA Portal WinCC, and provides substantial onboard memory for project data and runtime applications. The robust aluminum front panel provides IP65 protection on the front face, making it suitable for use in environments with dust and water ingress.

The SIMATIC MP 377 is widely deployed in machine building, automotive manufacturing, process industries, and water/wastewater treatment plants where complex HMI applications with high graphical demands are required. Its large display size and multi-interface connectivity make it suitable for central operator stations on large machinery and production lines. The panel's compatibility with the broader SIMATIC ecosystem allows seamless integration with S7-300, S7-400, and S7-1500 PLC families.

Technical Specifications

Display Size	15 inch
Display Resolution	1024 x 768 pixels (XGA)
Display Colors	64,000 colors
Display Type	TFT LCD
Touch Technology	Resistive touchscreen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 60 W
Communication Interface	PROFIBUS DP, PROFINET (Ethernet RJ45), MPI, USB (2x Type A, 1x Type B), RS-422/485
Operating System	Windows CE 6.0
IP/Protection Rating	IP65 (front), IP20 (rear)
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
Series/Product Family	SIMATIC HMI MP 377

Common Error Codes & System Events

Event ID: 10000: Communication error between HMI panel and PLC. Connection to the configured controller cannot be established or has been lost.
Check PROFIBUS/PROFINET cabling and connector integrity. Verify PLC is powered and running. Confirm correct station address and communication parameters in the WinCC flexible project.
Event ID: 10001: Tag read error. The HMI panel cannot read the value of a configured tag from the PLC.
Verify the tag address exists in the PLC program. Check that the data block or memory area referenced is accessible and not write-protected.
Event ID: 10002: Tag write error. The HMI panel cannot write a value to the configured PLC tag.
Confirm the PLC is in RUN mode and the target address is writable. Check for address conflicts or protection settings in the PLC project.
Event ID: 40000: System memory low. Available runtime memory on the HMI panel is critically low.
Reduce the number of active screens or logged data. Archive or delete old data logs and alarm logs. Consider reducing project complexity.
Event ID: 70010: Recipe data error. A recipe record could not be read or written correctly.
Check recipe configuration in WinCC flexible. Verify that the recipe data storage location (internal memory or memory card) is accessible and not full.
Event ID: 20000: Alarm logging error. The alarm log file cannot be written, typically due to insufficient storage space.
Clear or archive existing alarm log files. Check that the memory card is properly inserted and has sufficient free space.
Event ID: 50000: Project download error. Transfer of the WinCC flexible project to the panel was interrupted or failed.
Ensure the panel is in Transfer mode. Check USB or Ethernet connection between engineering PC and panel. Retry the download and verify project compatibility with the panel firmware version.

Frequently Asked Questions

Which software is used to configure and program the SIMATIC MP 377?

The MP 377 is configured using Siemens WinCC flexible 2008 or later. It is also supported in the TIA Portal via WinCC (comfort) when migrating projects, though native TIA Portal support is limited to the SIMATIC Comfort Panel generation.

What PLC families are compatible with the MP 377 (6AV6645-7CJ00-2AA0)?

The MP 377 is compatible with SIMATIC S7-200, S7-300, S7-400, and S7-1200/1500 PLCs via MPI, PROFIBUS DP, or PROFINET interfaces. It also supports third-party controllers via serial communication protocols.

What is the supply voltage for the 6AV6645-7CJ00-2AA0?

The panel operates on 24 V DC. The permissible voltage range is typically 19.2 V DC to 28.8 V DC (24 V DC -20%/+20%).

Does the MP 377 support external memory cards?

Yes, the MP 377 supports CompactFlash (CF) cards for extended data storage, project backup, and data logging. A CF card slot is provided on the rear of the unit.

What is the IP protection rating of the 6AV6645-7CJ00-2AA0?

The front face of the panel achieves IP65 protection, making it resistant to dust and water jets. The rear of the unit is rated IP20 and must be installed in a suitable enclosure.

Troubleshooting

Display remains blank after power on

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

Correct the supply voltage if out of range. If voltage is correct and display remains blank, the backlight inverter or internal power supply board may be faulty and requires replacement or professional repair.

Touchscreen does not respond or responds inaccurately

Attempt to recalibrate the touchscreen via the Windows CE control panel or the Siemens Start Center. Check for physical damage or contamination on the touch surface.

Perform a touchscreen recalibration through the panel's Start Center under 'Settings'. Clean the screen surface with a soft cloth. If calibration fails repeatedly, the resistive touch overlay may be damaged and require replacement.

HMI cannot establish communication with the PLC

Verify the communication cable type and wiring (MPI, PROFIBUS, or Ethernet). Check the station address configured on the panel matches the PLC settings. Use the panel's diagnostic tools to ping the PLC or check bus status.

Correct any address mismatches in the WinCC flexible project settings. Replace or reseat the communication cable. Ensure the PLC is powered and in RUN or STOP mode with communication enabled.

Panel continuously reboots or freezes during runtime

Check for corrupted project data on the CompactFlash card or internal memory. Monitor supply voltage for instability. Review the Windows CE event log for application errors.

Reload the WinCC flexible project from the engineering PC. Replace the CompactFlash card if it is faulty. Ensure the 24 V DC power supply is stable and adequately rated for the panel's power consumption.

Project transfer from PC to panel fails

Confirm the panel is set to Transfer mode via the Start Center. Verify the communication interface (USB or Ethernet) is correctly configured on both the PC and the panel. Check firewall settings on the engineering PC.

Switch the panel to Transfer mode manually through the Start Center. Use the correct transfer channel settings in WinCC flexible matching the physical connection. Disable PC firewall temporarily to rule out connectivity blocking.

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