Siemens 6AV6642-0DA01-1AX1 TP177B

Name: Siemens 6AV6642-0DA01-1AX1 TP177B
Brand: Siemens
SKU: 6AV6642-0DA01-1AX1
Availability: InStock

Price range: € 738,00 through € 999,00

Condition

Clear

SKU: 6AV6642-0DA01-1AX1 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6642-0DA01-1AX1 is a TP177B series touch panel HMI belonging to the SIMATIC HMI family, designed for machine-level operator control and monitoring. This unit features a 5.7-inch STN color display and is part of Siemens' mid-range panel portfolio, offering reliable human-machine interface functionality for a wide range of automation tasks. The TP177B operates on 24 V DC supply and is engineered for integration with Siemens SIMATIC S7 and other compatible PLC platforms.

The 6AV6642-0DA01-1AX1 variant features a 5.7-inch STN color display with a resolution of 320 x 240 pixels (QVGA) and supports touch-based input via a resistive touchscreen. It provides communication via MPI/PROFIBUS DP and RS-422/RS-485 interfaces, enabling direct connection to 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 supports recipe management, alarm logging, trend display, and multi-language operation. Onboard flash memory supports project storage, and the unit carries CE and UL certifications along with an IP65 front panel protection rating.

The TP177B is widely deployed in manufacturing, packaging, food and beverage, and material handling applications where a compact, robust operator panel is required at the machine level. Its slim form factor and standard panel cutout dimensions make it suitable for integration into control cabinets and machine enclosures. The resistive touchscreen and color display allow operators to interact with process visualizations, navigate screens, and respond to alarms in demanding industrial environments.

Technical Specifications

Display Size	5.7 inch
Display Type	STN color
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
Communication Interface	MPI/PROFIBUS DP, RS-422/RS-485
IP Protection Rating (Front)	IP65
IP Protection 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 mounting
Certifications	CE, UL
Engineering Software	WinCC flexible 2008

Common Error Codes and System Events

Event ID: 10000: Communication error between HMI panel and PLC. The configured connection to the controller cannot be established or has been lost.
Check MPI/PROFIBUS DP cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Ensure the PLC is in RUN mode.
Event ID: 10001: Connection to PLC interrupted during runtime. The HMI lost communication with the configured controller.
Inspect physical cabling for damage or loose connectors. Check bus termination and cable shielding. Restart both the HMI panel and the PLC if the connection does not recover automatically.
Event ID: 20000: Project download failed or project data is corrupted on the HMI panel.
Re-download the project from WinCC flexible. Ensure the correct panel type and firmware version are selected in the engineering software before transfer.
Event ID: 40000: System memory low. Available memory for runtime operation is insufficient.
Reduce the project size by optimizing graphics, alarm lists, or recipe data. Delete unused project elements and re-download the project to the panel.
Event ID: 70010: Firmware version mismatch between the HMI panel and the downloaded project.
Update the panel firmware to the version required by the WinCC flexible project, or recompile and download the project using a compatible software version.
Event ID: 50000: Internal device error detected. A hardware fault has been identified within the HMI panel.
Perform a panel restart. If the error persists, back up the project and arrange for hardware inspection or replacement of the unit.
Event ID: 60000: Tag update error. One or more process tags could not be read or written within the configured cycle time.
Check PLC program to ensure the configured tag addresses exist and are accessible. Verify communication cycle times and reduce tag polling frequency if necessary.

Frequently Asked Questions

Which PLCs are compatible with the Siemens 6AV6642-0DA01-1AX1 TP177B?

The TP177B 6AV6642-0DA01-1AX1 is compatible with Siemens S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP. It also supports connectivity to third-party controllers via the RS-422/RS-485 serial interface using appropriate drivers in WinCC flexible.

What engineering software is required to program this HMI panel?

This panel is configured using Siemens WinCC flexible 2008 or later compatible versions. The correct panel type must be selected during project creation to ensure compatibility.

What is the front panel protection rating of the TP177B?

The front panel of the 6AV6642-0DA01-1AX1 carries an IP65 protection rating, making it resistant to dust ingress and low-pressure water jets when correctly installed in a panel cutout with the supplied gasket.

What supply voltage does the TP177B 6AV6642-0DA01-1AX1 require?

The panel requires a 24 V DC supply voltage. Ensure the power supply can deliver sufficient current and is within the specified voltage tolerance range.

Can the TP177B display be used in portrait orientation?

The TP177B is designed for landscape orientation and does not natively support portrait screen rotation. The panel should be mounted in the standard landscape configuration as intended by the manufacturer.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector on the rear of the panel. Check for blown internal fuses or incorrect polarity on the supply connection.

Correct the supply voltage or polarity if found to be outside specification. If the supply is correct and the display remains blank, the internal power supply board or backlight inverter may require replacement.

Touchscreen does not respond or registers incorrect touch positions

Check whether the touch calibration has been disrupted. Access the Windows CE control panel or the SIMATIC HMI loader to initiate a touch recalibration procedure.

Perform a touchscreen recalibration via the panel's Start Center or loader menu. If the touchscreen remains unresponsive after calibration, the resistive touch overlay may be damaged and require replacement.

HMI cannot establish communication with the PLC

Verify the MPI or PROFIBUS DP address configured in the HMI project matches the PLC station address. Check cable connections, bus termination resistors at both ends of the network, and cable shielding continuity.

Correct any address mismatches in the WinCC flexible project and re-download. Replace damaged cables and ensure proper bus termination. Confirm the PLC is powered and in RUN mode.

Panel repeatedly restarts or enters a boot loop

This may indicate a corrupted project file or a firmware issue. Attempt to access the SIMATIC HMI loader during startup by pressing the touch area as directed during the boot sequence.

Use WinCC flexible to re-download a valid project to the panel. If the boot loop persists, perform a firmware update using the Siemens ProSave tool to restore the panel to a known good firmware state.

Alarm messages are not displayed or alarm history is missing

Check the alarm configuration in the WinCC flexible project to ensure alarm classes and triggers are correctly defined. Verify that the PLC tags linked to alarm triggers are being updated correctly.

Correct any misconfigured alarm tags or classes in the project and re-download. Ensure the PLC program is writing the expected values to the alarm trigger tags and that communication between the HMI and PLC is stable.

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