Siemens 6AV6645-0DE01-0AX0 SIMATIC MP 277

Name: Siemens 6AV6645-0DE01-0AX0 SIMATIC MP 277
Brand: Siemens
SKU: 6AV6645-0DE01-0AX0
Price: 1770.00 EUR
Availability: InStock

€ 1.770,00

Condition

Clear

SKU: 6AV6645-0DE01-0AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6645-0DE01-0AX0 is a Multi Panel (MP 277) belonging to the SIMATIC HMI family, designed for machine-level visualization and operator control in industrial automation environments. This panel features a 10.4-inch TFT display and runs on the Windows CE operating system, providing a robust and flexible platform for human-machine interface applications. It is part of Siemens' established SIMATIC HMI panel portfolio, offering a balance of performance and versatility for mid-range automation tasks.

The MP 277 10" Touch (6AV6645-0DE01-0AX0) is equipped with a resistive touchscreen interface and a 10.4-inch TFT display with a resolution of 640 x 480 pixels (VGA) supporting 256 colors. The panel includes 12 MB of user memory and communicates via PROFIBUS DP and MPI interfaces as standard, with an optional PROFINET/Ethernet interface available. It operates on a 24 V DC supply and supports connectivity through USB ports and a CompactFlash card slot for data storage and project transfer. The unit is rated IP65 on the front face, making it suitable for panel-mounting in environments where dust and water ingress protection is required.

The SIMATIC MP 277 is widely used in manufacturing, automotive, food and beverage, and process industries where reliable operator panel visualization is required at the machine level. It is compatible with Siemens SIMATIC S7-300 and S7-400 PLCs, as well as third-party controllers via configurable communication drivers in WinCC flexible. Its combination of touch operation, robust construction, and broad communication support makes it a practical choice for machine builders and system integrators requiring a dependable mid-range HMI panel.

Technical Specifications

Display Size	10.4 inch
Display Resolution	640 x 480 pixels (VGA)
Display Colors	256 colors
Display Type	TFT LCD
Touch Technology	Resistive touchscreen
Operating System	Windows CE 5.0
User Memory	12 MB
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 18 W
Communication Interface	PROFIBUS DP/MPI, USB (2x), Ethernet (optional)
Storage	CompactFlash card slot
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

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/MPI or Ethernet cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Restart both PLC and HMI panel.
Event ID: 10001: Tag read error. The HMI panel cannot read a configured tag from the PLC.
Verify the tag address in the WinCC flexible project matches the actual PLC data block or memory area. Check PLC program is running and the address exists.
Event ID: 10002: Tag write error. The HMI panel cannot write a value to a configured PLC tag.
Check that the target PLC address is not write-protected. Verify the data type of the tag matches the PLC variable. Confirm the PLC is in RUN mode.
Event ID: 20000: Project download error. Transfer of the WinCC flexible project to the panel has failed.
Ensure the panel is in Transfer mode. Check the communication cable or network connection between the engineering PC and the panel. Verify sufficient user memory is available on the panel.
Event ID: 40000: System memory low. Available runtime memory on the panel is critically low.
Reduce the number of simultaneously active screens or objects. Optimize the WinCC flexible project by reducing image complexity and the number of active tags.
Event ID: 70010: Recipe data error. An error occurred during reading or writing of recipe data.
Check the recipe configuration in WinCC flexible. Verify the CompactFlash card is properly inserted and not write-protected or corrupted. Reformat or replace the CompactFlash card if necessary.
Event ID: 50000: Alarm buffer overflow. The number of pending alarms has exceeded the buffer capacity of the panel.
Acknowledge and clear existing alarms. Review the alarm configuration in WinCC flexible to reduce unnecessary alarm triggers. Increase alarm buffer size in project settings if possible.

Frequently Asked Questions

What PLC systems is the SIMATIC MP 277 compatible with?

The MP 277 is primarily designed for use with Siemens SIMATIC S7-300 and S7-400 PLCs via MPI or PROFIBUS DP. It also supports communication with third-party controllers through configurable drivers available in WinCC flexible.

What software is used to configure and program the MP 277?

The MP 277 is configured using Siemens WinCC flexible 2008 or later. Projects are transferred to the panel via USB, Ethernet, or PROFIBUS connection from the engineering PC.

What is the supply voltage for the 6AV6645-0DE01-0AX0?

The panel requires a 24 V DC power supply. Ensure the supply is within the permitted tolerance range, typically 19.2 V DC to 28.8 V DC.

Can the MP 277 be used with PROFINET?

The base version of the MP 277 communicates via PROFIBUS DP and MPI. PROFINET/Ethernet communication is supported when the panel is equipped with the optional Ethernet interface or via the integrated Ethernet port on applicable variants.

What type of memory card does the MP 277 use?

The MP 277 uses a CompactFlash (CF) card for additional data storage, project backup, and firmware updates. The card is inserted into the dedicated slot on the rear of the panel.

Troubleshooting

Display remains blank after power is applied

Check that 24 V DC is present at the power supply terminals on the rear of the panel. Measure voltage at the connector to confirm supply is within range. Inspect the internal fuse if accessible.

Ensure the 24 V DC supply is stable and within tolerance (19.2–28.8 V DC). If voltage is correct and the display remains off, the backlight or internal power supply board may be faulty and require replacement.

Touchscreen does not respond or responds inaccurately

Determine whether the issue is a complete lack of response or positional inaccuracy. A miscalibrated touch panel will respond but in the wrong location. A completely unresponsive screen may indicate a hardware fault.

Perform a touchscreen calibration via the Windows CE Control Panel or the Siemens Start Center on the panel. If calibration does not resolve the issue, the resistive touch overlay may be damaged and require replacement.

HMI panel fails to communicate with the PLC

Check the physical PROFIBUS or MPI cable connections and verify correct bus termination at both ends of the network. Confirm the PLC address and baud rate settings in the WinCC flexible project match the actual PLC configuration.

Correct any address or baud rate mismatches in the project and reload it to the panel. Replace damaged cables or connectors. Ensure the PROFIBUS network has proper termination resistors enabled only at the two physical ends of the bus.

Project transfer from PC to panel fails

Verify the panel is set to Transfer mode via the Start Center. Check the USB or Ethernet connection between the engineering PC and the panel. Confirm the WinCC flexible version is compatible with the panel firmware version.

Switch the panel to Transfer mode before initiating the download. Update the panel firmware if there is a version mismatch. Try an alternative transfer method (USB instead of Ethernet, or vice versa) to isolate the connection issue.

Panel repeatedly restarts or crashes during operation

Check for unstable 24 V DC power supply, particularly voltage dips under load. Review the WinCC flexible project for excessive script complexity or memory-intensive configurations that may overload the panel CPU.

Stabilize the power supply and ensure adequate current capacity. Optimize the runtime project by reducing script complexity and the number of simultaneously active tags. If the problem persists, perform a factory reset and reload the project, or consider a firmware update.

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