Siemens 6AV6645-0BB01-0AX0 SIMATIC MP 277

Name: Siemens 6AV6645-0BB01-0AX0 SIMATIC MP 277
Brand: Siemens
SKU: 6AV6645-0BB01-0AX0
Availability: InStock

Price range: € 1.200,00 through € 3.300,00

Condition

Clear

SKU: 6AV6645-0BB01-0AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens SIMATIC MP 277 (part number 6AV6645-0BB01-0AX0) is a multi-panel human-machine interface belonging to the SIMATIC HMI Multi Panel family. It features an 8-inch widescreen TFT display and is designed for machine-level visualization and operator control in industrial automation environments. This panel runs on the Windows CE 6.0 operating system and is configured using Siemens WinCC flexible engineering software.

The 6AV6645-0BB01-0AX0 variant is equipped with a resistive touch screen and an additional membrane keypad for operator input flexibility. It supports multiple communication interfaces including PROFIBUS DP and Ethernet (PROFINET), enabling integration with a wide range of Siemens and third-party controllers. The panel provides 12 MB of user memory for project data and includes a USB interface and a CompactFlash card slot for data storage and project transfer. The unit operates on a 24 V DC supply and carries CE and UL certifications.

The SIMATIC MP 277 is widely deployed in machine building, automotive manufacturing, food and beverage processing, and general industrial automation. Its combination of touch and key operation makes it suitable for applications requiring both graphical visualization and direct function key access. The panel's robust construction and broad communication capability make it a reliable choice for demanding production environments where operator interface reliability is critical.

Technical Specifications

Display Size	8 inch (widescreen)
Display Type	TFT color LCD
Display Resolution	800 x 480 px
Display Colors	65,536 colors
Touch Technology	Resistive touchscreen
Input Voltage	24 V DC
Power Consumption	Approx. 15 W
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
Communication Interface	PROFIBUS DP, Ethernet (PROFINET), USB
User Memory	12 MB
Storage Expansion	CompactFlash card slot
Operating System	Windows CE 6.0
IP Protection Rating	IP65 (front), IP20 (rear)
Certifications	CE, UL
Mounting	Panel mounting

Common Error Codes & System Events

Event ID: 1000: Connection to the PLC could not be established or was interrupted.
Check PROFIBUS or Ethernet cable connections and verify PLC address settings in the project configuration. Ensure the PLC is powered and running.
Event ID: 1003: Tag read error — the HMI panel cannot read a configured tag from the controller.
Verify the tag address in WinCC flexible matches the actual PLC data block or memory address. Check communication link integrity.
Event ID: 1004: Tag write error — the HMI panel cannot write a value to the configured controller tag.
Check that the target PLC address is not write-protected and that the data type matches the configured tag. Verify communication is active.
Event ID: 10000: System memory low — available runtime memory is insufficient for the current project.
Reduce project complexity, remove unused screens or scripts, and restart the panel. Consider archiving data to CompactFlash card.
Event ID: 10001: Project transfer failed — an error occurred during project download from the engineering PC.
Verify USB or Ethernet connection between engineering PC and panel. Ensure WinCC flexible version is compatible with the panel firmware version.
Event ID: 20000: Panel operating system error or runtime crash detected.
Perform a controlled restart of the panel. If the fault persists, reload the panel firmware using ProSave or WinCC flexible and re-transfer the project.
Event ID: 40000: Recipe data error — recipe records could not be read from or written to storage.
Check CompactFlash card integrity and available storage space. Re-initialize the recipe data storage if necessary.

Frequently Asked Questions

What communication interfaces does the 6AV6645-0BB01-0AX0 support?

The SIMATIC MP 277 8-inch panel supports PROFIBUS DP and Ethernet (PROFINET) for PLC communication, as well as USB interfaces for project transfer and peripheral devices. A CompactFlash card slot is also available for data storage.

Which engineering software is used to configure this HMI panel?

The panel is configured using Siemens WinCC flexible 2008 or later. It is not compatible with the newer TIA Portal WinCC Advanced software without migration.

Is this panel compatible with Siemens S7-300 and S7-400 PLCs?

Yes, the SIMATIC MP 277 supports direct communication with S7-300 and S7-400 PLCs via PROFIBUS DP or Ethernet, as well as S7-200 PLCs via the appropriate communication driver.

What is the input voltage requirement for this panel?

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 1 A.

Can the panel be operated by touch input alone?

Yes, the resistive touchscreen allows full operation without the membrane keypad. However, the keypad provides additional function keys that can be assigned to specific project actions for faster operator interaction.

Troubleshooting

Display remains blank after power on

Check that 24 V DC is present at the power supply terminals. Verify the power connector is fully seated. Measure voltage at the panel input connector.

Restore correct 24 V DC supply. If voltage is present but display remains blank, the internal backlight or power supply board may be faulty and require replacement.

Touchscreen does not respond or responds inaccurately

The resistive touchscreen may be miscalibrated or the touch surface may be damaged. Access the calibration utility via the Control Panel in the Windows CE Start menu.

Recalibrate the touchscreen using the built-in calibration tool. If calibration does not resolve the issue, inspect the touch overlay for physical damage and replace if necessary.

Panel fails to establish communication with the PLC

Verify the PROFIBUS address or IP address configured on the panel matches the project settings. Check cable connections and network switch or PROFIBUS termination resistors.

Correct the communication parameters in WinCC flexible and re-transfer the project. Replace the communication cable if continuity testing reveals a fault.

Project transfer from engineering PC fails

Confirm the USB or Ethernet connection between the PC and panel is active. Check that the panel is in Transfer mode and that the WinCC flexible version matches the panel firmware.

Switch the panel to Transfer mode via the Start Center. Update panel firmware using ProSave if version mismatch is detected, then retry the project transfer.

Panel restarts unexpectedly or freezes during operation

This may indicate insufficient project memory, a corrupted project file, or a hardware fault. Check the system event log in the panel's Control Panel for recorded event IDs.

Optimize the project to reduce memory usage. Re-transfer a clean project backup. If the issue persists, reload the panel firmware via ProSave and restore the project from a known good backup.

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