Siemens 6AV6642-0BD01-3AX0 TP177B

Name: Siemens 6AV6642-0BD01-3AX0 TP177B
Brand: Siemens
SKU: 6AV6642-0BD01-3AX0
Availability: InStock

Price range: € 565,00 through € 1.899,00

Condition

Clear

SKU: 6AV6642-0BD01-3AX0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6642-0BD01-3AX0 is a TP177B series touch panel HMI (Human Machine Interface) belonging to the SIMATIC HMI family. This unit features a 5.7-inch STN color display and is designed for machine-level visualization and operator control tasks. It is part of Siemens' established mid-range HMI lineup, offering reliable performance for a wide range of industrial automation environments.

The TP177B 6AV6642-0BD01-3AX0 operates on a 24 V DC supply and provides a resistive touch screen interface for operator input. It supports communication via MPI, PROFIBUS DP, and RS-422/RS-485 interfaces, enabling integration with Siemens S7-200, S7-300, and S7-400 PLCs as well as third-party controllers. The panel is configured using WinCC flexible 2008 engineering software and offers 4 MB of user memory for project data. It carries an IP65 protection rating on the front face, making it suitable for panel-mount installations in environments where dust and water ingress are a concern.

The TP177B is widely deployed in manufacturing, packaging, food and beverage, and general machine building applications. Its compact 5.7-inch form factor makes it suitable for smaller control panels and machine cabinets where space is limited. The combination of touch operation, multi-protocol communication, and robust construction makes it a practical choice for machine-level HMI tasks in both OEM and end-user installations.

Technical Specifications

Display Size	5.7 inch
Display Type	STN color LCD
Display Resolution	320 x 240 pixels (QVGA)
Display Colors	256 colors
Touch Technology	Resistive touchscreen
Input Voltage	24 V DC
Power Consumption	Max. 6 W
User Memory	4 MB
Communication Interface	MPI, PROFIBUS DP, RS-422/RS-485
IP Rating (Front)	IP65
IP 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 mount
Panel Cutout	196 x 141 mm
Certifications	CE, UL, cULus
Configuration Software	WinCC flexible 2008

Common Error Codes & System Events

Event ID: 10000: Configuration error detected on startup. The project data loaded on the panel contains an incompatibility or corruption.
Reload the project from WinCC flexible. Verify the project was compiled without errors before transfer.
Event ID: 20000: Communication link to the PLC has been lost or cannot be established.
Check MPI or PROFIBUS DP cable connections and termination resistors. Verify PLC address settings match the HMI project configuration.
Event ID: 40000: Tag read/write error. The HMI cannot access a configured PLC tag.
Verify the tag address in WinCC flexible matches the actual PLC data block or memory address. Check PLC program is running.
Event ID: 50000: Illegal tag value detected. A tag value is outside the configured limit range.
Check the configured high/low limits for the affected tag in WinCC flexible. Verify the PLC is writing valid data to the tag address.
Event ID: 70000: Recipe data error. A recipe record could not be read or written correctly.
Check available user memory on the panel. Re-transfer the project and verify recipe configuration in WinCC flexible.
Event ID: 110000: System memory low. Available runtime memory on the HMI panel is critically low.
Reduce the number of active screens or objects. Optimize the project in WinCC flexible and reload. Consider reducing log or alarm buffer sizes.
Event ID: 130000: Alarm log or data log buffer overflow. The configured log storage limit has been reached.
Increase the log buffer size in the WinCC flexible project settings or implement a regular log export/clear routine.

Frequently Asked Questions

Which PLCs are compatible with the TP177B 6AV6642-0BD01-3AX0?

This panel is compatible with Siemens S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP. It also supports communication with third-party controllers via the RS-422/RS-485 serial interface using appropriate drivers in WinCC flexible.

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

The TP177B is configured using Siemens WinCC flexible 2008 or later. Projects are transferred to the panel via MPI cable, PROFIBUS, or a USB-to-serial adapter depending on the available interface.

What is the display resolution and color depth of this unit?

The display has a resolution of 320 x 240 pixels (QVGA) and supports 256 colors on an STN color LCD.

What is the front panel protection rating of the 6AV6642-0BD01-3AX0?

The front face of the panel carries an IP65 protection rating, making it resistant to dust ingress and low-pressure water jets when correctly installed in a panel cutout.

Can this HMI panel be used as a replacement for other TP177B variants?

The 6AV6642-0BD01-3AX0 is the color STN version of the TP177B with PROFIBUS/MPI interface. It is not a direct drop-in replacement for monochrome variants or versions with different communication interfaces, as panel cutout dimensions and project compatibility must be verified.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel's power connector. Check that polarity is correct and voltage is within the 19.2–28.8 V DC operating range.

Correct any wiring or power supply issues. If supply voltage is confirmed correct and the display remains blank, the internal backlight or power supply board may be faulty and the unit should be inspected or repaired.

Touchscreen does not respond or responds inaccurately to touch input

Check whether the panel is in an active operating state (not in transfer mode or showing a system screen). Attempt a touchscreen recalibration from the panel's Start Center or control panel settings.

Recalibrate the touchscreen via the Start Center calibration function. If the touch response remains inaccurate or absent, the resistive touch overlay may be damaged and require replacement.

HMI cannot establish communication with the PLC

Verify the MPI or PROFIBUS DP cable is correctly connected and terminated at both ends. Check that the HMI station address and PLC address configured in WinCC flexible match the physical device settings.

Correct cable termination and address settings. Ensure the PLC is in RUN mode. Re-transfer the project if address parameters were changed. Replace the communication cable if continuity testing reveals a fault.

Panel repeatedly reboots or freezes during operation

Check the supply voltage for ripple or voltage drops under load. Inspect the panel for signs of overheating, particularly if ambient temperature is near the upper operating limit of 50 °C.

Stabilize the power supply and ensure adequate ventilation around the panel. If the issue persists, perform a factory reset via the Start Center and reload the project. A persistent fault may indicate a failing internal component requiring repair.

Project transfer fails or is interrupted

Check the transfer cable connection and verify the panel is set to Transfer mode via the Start Center. Confirm the correct communication interface and baud rate are selected in WinCC flexible's transfer settings.

Restart the transfer process with the panel in Transfer mode. Try a different transfer cable or USB-to-serial adapter if available. Ensure WinCC flexible is running with administrator privileges on the engineering PC.

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