Siemens 6AV6642-5AA10-0MW1 TP177A

€ 500,00

SKU: 6AV6642-5AA10-0MW1 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6642-5AA10-0MW1 is a TP177A series touch panel HMI device belonging to the SIMATIC HMI family. It features a 5.7-inch STN color display and is designed for machine-level operator control and monitoring tasks. This unit is part of the SIMATIC TP177 product line, which bridges the gap between entry-level text displays and more advanced panel PCs.

The TP177A (6AV6642-5AA10-0MW1) operates on a 24 V DC supply and communicates via MPI/PROFIBUS DP interfaces, enabling direct integration with Siemens S7-200, S7-300, and S7-400 PLCs. It runs the WinCC flexible Micro runtime environment and supports configuration via WinCC flexible 2008 or later. The resistive touch screen allows operator input without a keyboard, and the unit provides a compact, panel-mount form factor suitable for control cabinet door installation.

The TP177A is widely deployed in manufacturing, packaging, and process automation applications where a cost-effective, reliable HMI solution is required at the machine level. Its compatibility with the SIMATIC S7 PLC family makes it a natural fit for existing Siemens automation architectures. The panel is commonly found in conveyor systems, pumping stations, and general-purpose machine control panels across a broad range of industrial sectors.

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
Input Voltage	24 V DC
Power Consumption	Approx. 6 W
Communication Interface	MPI/PROFIBUS DP (RS-485)
Runtime Software	WinCC flexible Micro
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
IP Rating (Front)	IP65
IP Rating (Rear)	IP20
Mounting	Panel mounting
Certifications	CE, UL, cULus

Common Error Codes and System Events

Event ID: 10000: Configuration transfer error — the project data could not be transferred to the panel.
Check the communication cable and interface settings. Verify the correct COM port and transfer rate are configured in WinCC flexible. Retry the transfer.
Event ID: 10001: No project loaded — the HMI panel has no valid runtime project in memory.
Transfer a valid WinCC flexible Micro project to the panel using the PC/PPI or MPI cable and WinCC flexible software.
Event ID: 20000: Communication error — the HMI cannot establish a connection to the configured PLC.
Check MPI/PROFIBUS DP wiring and termination resistors. Verify the PLC address and baud rate match the HMI configuration. Ensure the PLC is powered and in RUN mode.
Event ID: 20001: PLC connection timeout — the HMI lost communication with the PLC during operation.
Inspect the MPI/PROFIBUS cable for damage or loose connectors. Check network termination and cable length. Verify PLC is operational and network addresses are unique.
Event ID: 40000: System memory low — available runtime memory is insufficient for the loaded project.
Reduce the project size by removing unused screens, graphics, or variables. Ensure the project is compiled for the TP177A target device in WinCC flexible.
Event ID: 50000: Internal device error — a hardware fault has been detected within the panel.
Perform a factory reset via the Control Panel in the Transfer/Start Center. If the fault persists, the unit may require repair or replacement of internal components.
Event ID: 60000: Backlight failure — the display backlight has failed or reached end of life.
The backlight (CCFL lamp) requires replacement. Return the unit for repair or replace the backlight assembly. Check the backlight supply voltage on the inverter board.

Frequently Asked Questions

Which PLCs are compatible with the TP177A 6AV6642-5AA10-0MW1?

The TP177A is compatible with Siemens SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP. It can also communicate with S7-200 via the PPI protocol using the RS-485 interface.

What software is used to configure and program the TP177A?

The TP177A is configured using Siemens WinCC flexible 2008 or a later compatible version. The panel runs the WinCC flexible Micro runtime environment.

What is the supply voltage for the 6AV6642-5AA10-0MW1?

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

What is the front panel protection rating of the TP177A?

The front panel of the TP177A carries an IP65 protection rating, making it suitable for environments where dust and water jets may be present.

Can the TP177A be used with TIA Portal?

No, the TP177A is not supported in TIA Portal. It must be configured exclusively using WinCC flexible 2008. For TIA Portal-based projects, a newer SIMATIC Basic Panel such as the KTP700 Basic should be considered.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the power connector on the rear of the panel. Check that the supply is within the 19.2–28.8 V DC range. Inspect the backlight inverter board for visible damage.

If the supply voltage is correct but the display is blank, the backlight (CCFL lamp) or inverter board may have failed. Replace the backlight assembly or inverter board. If the panel shows no signs of life at all, check internal fuses and the power supply board.

HMI cannot communicate with the PLC

Verify the MPI/PROFIBUS DP cable connections at both the HMI and PLC ends. Check that the baud rate and MPI address configured in the HMI project match the PLC settings. Confirm that bus termination resistors are correctly placed at both ends of the network.

Replace or reseat the MPI/PROFIBUS cable. Correct any address conflicts on the network. Ensure only the two physical end nodes have termination resistors enabled. Reload the project to the HMI if communication parameters were changed.

Touch screen does not respond or responds inaccurately

Access the Control Panel via the Start Center (hold the touch screen during boot). Navigate to the touch calibration utility and check whether the touch input is offset or unresponsive across the screen surface.

Perform a touch screen recalibration using the built-in calibration tool in the Control Panel. If the touch screen remains unresponsive after calibration, the resistive touch overlay may be damaged and requires replacement.

Project transfer fails from PC to HMI panel

Check that the panel is in Transfer mode (accessible from the Start Center). Verify the correct communication interface (MPI or serial) and transfer rate are selected in WinCC flexible. Confirm the correct cable type (PC/PPI or MPI adapter) is being used.

Set the panel to Transfer mode manually via the Start Center. Match the transfer settings in WinCC flexible to the panel interface. Try a different cable or USB-to-MPI adapter if the transfer continues to fail. Ensure the PC COM port or USB adapter drivers are correctly installed.

Panel repeatedly reboots or freezes during operation

Check the 24 V DC supply for voltage dips or ripple using an oscilloscope or multimeter. Inspect the project for memory overload or excessively large graphics. Review the event log in WinCC flexible for recurring system event codes.

Stabilize the power supply and ensure it is adequately rated for the panel load. Optimize the project by reducing screen complexity or number of variables. If the issue persists, perform a factory reset and reload the project. If hardware faults are suspected, the unit should be sent for repair.

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