Siemens 6AV6642-0AA11-0AX1 TP177A

Name: Siemens 6AV6642-0AA11-0AX1 TP177A
Brand: Siemens
SKU: 6AV6642-0AA11-0AX1
Availability: InStock

Price range: € 490,00 through € 1.500,00

Condition

Clear

SKU: 6AV6642-0AA11-0AX1 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6642-0AA11-0AX1 is a TP177A touch panel HMI device belonging to the SIMATIC HMI 177 series, manufactured by Siemens. It is a compact operator panel designed for machine-level visualization and control tasks in industrial automation environments. This unit features a 5.7-inch STN color display and is operated via resistive touch input, making it suitable for straightforward human-machine interface applications.

The TP177A panel operates on a 24 V DC supply and communicates via MPI and PROFIBUS-DP interfaces, enabling direct integration with Siemens SIMATIC S7 PLCs. It supports configuration through WinCC flexible 2005 or later engineering software. The device is built to withstand industrial conditions, with a front panel protection rating of IP65, and is designed for panel mounting in control cabinet doors or enclosures.

The TP177A is widely deployed in manufacturing, packaging, and machine tool industries where a cost-effective, reliable operator interface is required at the machine level. Its compatibility with the SIMATIC S7-200, S7-300, and S7-400 PLC families makes it a practical choice for system integrators working within the Siemens automation ecosystem. The compact form factor and straightforward configuration make it well suited for OEM machine builders requiring standardized HMI solutions.

Technical Specifications

Display Size	5.7 inch
Display Type	STN color
Display Colors	256 colors
Display Resolution	320 x 240 px (QVGA)
Touch Technology	Resistive
Input Voltage	24 V DC
Power Consumption	Max. 6 W
Communication Interface	MPI, PROFIBUS-DP
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 mounting
Panel Cutout	197 x 141 mm
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 10000: Configuration error detected during startup; the project loaded on the panel contains configuration inconsistencies.
Reload the project using WinCC flexible. Verify the project was compiled without errors before transferring.
Event ID: 10001: Communication connection 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: 10002: Tag read error; the HMI is unable to read a configured PLC tag.
Verify the tag address exists in the PLC program and that the data type matches the HMI configuration. Check communication link status.
Event ID: 10003: Tag write error; the HMI is unable to write a value to the configured PLC tag.
Check that the PLC tag is not write-protected and that the address is correct. Confirm the PLC is in RUN mode and accepting write commands.
Event ID: 20000: System memory low; available runtime memory on the panel is insufficient.
Reduce the number of active screens or objects. Optimize the project by removing unused tags and scripts, then retransfer the project.
Event ID: 40000: Project transfer initiated; the panel has entered transfer mode.
This is an informational event. Proceed with project transfer from the engineering PC using WinCC flexible. Ensure the correct communication interface is selected.
Event ID: 50000: Operating system or firmware error detected; the panel runtime has encountered an unrecoverable fault.
Perform a panel restart. If the fault persists, update the panel firmware using ProSave and retransfer the project.

Frequently Asked Questions

Which PLC families are compatible with the TP177A (6AV6642-0AA11-0AX1)?

The TP177A is compatible with Siemens SIMATIC S7-200, S7-300, and S7-400 PLC families via MPI or PROFIBUS-DP communication interfaces.

What engineering software is required to configure this HMI panel?

The TP177A is configured using Siemens WinCC flexible 2005 or a later version. Projects are transferred to the panel via MPI or a PC/PPI cable.

What is the display resolution and color depth of the 6AV6642-0AA11-0AX1?

The panel features a 320 x 240 pixel (QVGA) STN color display capable of rendering 256 colors.

What is the front panel protection rating of the TP177A?

The front panel of the TP177A carries an IP65 protection rating, making it resistant to dust ingress and low-pressure water jets.

Can the TP177A be used with third-party PLCs?

The TP177A is primarily designed for use with Siemens SIMATIC PLCs via MPI and PROFIBUS-DP. Communication with third-party controllers is not natively supported on this variant.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the rear connector. Check that the supply is within the specified tolerance and that the connector is fully seated.

Correct the supply voltage if out of range. If voltage is correct and the display remains blank, the internal power supply or backlight may be faulty and the unit should be sent for repair or 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 bus address configured in the HMI project matches the physical address set on the PLC.

Replace or reseat the communication cable. Correct address mismatches in the WinCC flexible project and retransfer. Ensure only one active bus termination exists at each end of the network.

Touchscreen does not respond or responds inaccurately

Check whether the touch area is physically damaged or contaminated. Access the panel's control panel in transfer mode and run the touch calibration routine.

Clean the touch surface with a soft, dry cloth. Perform a touch recalibration via the panel's system settings. If inaccuracy persists after calibration, the resistive touch overlay may require replacement.

Project transfer fails from engineering PC to panel

Confirm the panel is in transfer mode and that the correct communication interface (MPI or PROFIBUS-DP) is selected in WinCC flexible transfer settings. Check cable integrity.

Restart the panel in transfer mode by navigating to the system settings. Verify the PC adapter settings and COM port configuration. Replace the transfer cable if communication cannot be established.

Panel repeatedly restarts or shows a runtime error on startup

The loaded project may be corrupted or incompatible with the panel firmware version. Check the firmware version via the panel's system information screen.

Use ProSave to update the panel firmware to the version compatible with the WinCC flexible project. Recompile and retransfer the project after the firmware update is complete.

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