Siemens 6AV6642-0DC01-1AX1 TP177B

Name: Siemens 6AV6642-0DC01-1AX1 TP177B
Brand: Siemens
SKU: 6AV6642-0DC01-1AX1
Availability: InStock

Price range: € 657,00 through € 1.543,50

Condition

Clear

SKU: 6AV6642-0DC01-1AX1 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6642-0DC01-1AX1 is a TP177B 6" color touch panel belonging to the SIMATIC HMI 177 series, manufactured by Siemens. It is a compact operator panel designed for machine-level visualization and control, offering a 6-inch TFT color display with touch operation. This unit is part of the SIMATIC HMI Basic Panels generation and is widely used in conjunction with Siemens SIMATIC S7 PLCs.

The TP177B 6" color features a 320 x 240 pixel (QVGA) TFT display capable of rendering 256 colors, with a resistive touch screen for operator input. It supports MPI and PROFIBUS DP communication interfaces, enabling direct integration with S7-200, S7-300, and S7-400 controllers. The panel is configured using WinCC flexible 2008 engineering software and provides 6 MB of user memory for project data. It operates on 24 V DC supply voltage and is rated IP65 on the front face for protection against dust and water ingress.

The TP177B is commonly deployed in manufacturing automation, packaging machinery, conveyor systems, and process control applications where a compact, cost-effective HMI solution is required. Its PROFIBUS DP connectivity makes it suitable for integration into distributed automation architectures. The panel's rugged front protection rating and wide operating temperature range make it appropriate for installation in industrial control cabinets and on machine fronts in demanding environments.

Technical Specifications

Display Size	6 inch
Display Resolution	320 x 240 px (QVGA)
Display Colors	256 colors
Display Type	TFT LCD
Touch Technology	Resistive
Input/Operating Voltage	24 V DC
Power Consumption	6 W (typical)
Communication Interface	MPI, PROFIBUS DP, RS-422/485
User Memory	6 MB
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
Configuration Software	WinCC flexible 2008

Common Error Codes and System Events

Event ID: 10000: Configuration error detected on the HMI panel. The project data loaded onto the device contains an incompatibility or corruption.
Re-transfer the project from WinCC flexible 2008. Verify the project was compiled without errors before downloading.
Event ID: 20000: Communication error between the HMI panel and the connected PLC. The connection to the controller has been lost or cannot be established.
Check MPI or PROFIBUS DP cable connections and termination resistors. Verify the PLC address and baud rate settings match the HMI project configuration.
Event ID: 40000: System memory low warning. Available user memory on the panel is insufficient for the current project or runtime operation.
Reduce the project size by removing unused screens or images. Transfer an optimized project to the panel.
Event ID: 50000: Tag read/write error. The HMI is unable to read from or write to a configured PLC tag.
Verify the PLC tag address exists and is accessible. Check that the PLC program is running and the data block or memory area is correctly defined.
Event ID: 70000: Backup/restore error. A project backup or restore operation has failed.
Check the integrity of the source project file. Ensure sufficient memory is available and repeat the transfer operation.
Event ID: 110000: Printer communication error. The panel cannot communicate with the configured printer.
Check printer cable connections and printer configuration settings within the HMI project. Verify the printer driver is compatible.
Event ID: 130000: Recipe data error. A recipe transfer or read/write operation has encountered an error.
Verify recipe configuration in WinCC flexible. Check that the recipe data record is not corrupted and re-transfer if necessary.

Frequently Asked Questions

What communication interfaces does the TP177B 6AV6642-0DC01-1AX1 support?

The panel supports MPI and PROFIBUS DP interfaces via a combined RS-422/485 port, allowing direct connection to Siemens S7-200, S7-300, and S7-400 PLCs.

Which software is used to configure and program this HMI panel?

The 6AV6642-0DC01-1AX1 is configured using Siemens WinCC flexible 2008. Projects are compiled and transferred to the panel via MPI cable or a USB-to-MPI adapter.

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

The panel features a 320 x 240 pixel (QVGA) TFT display with 256 colors and a 6-inch screen diagonal with resistive touch input.

Is this panel compatible with SIMATIC S7-1200 or S7-1500 PLCs?

The TP177B is not natively compatible with S7-1200 or S7-1500 PLCs, as those controllers require TIA Portal-based HMI panels. This panel is designed for use with S7-200, S7-300, and S7-400 series controllers.

What is the front panel protection rating of the 6AV6642-0DC01-1AX1?

The front face of the panel is rated IP65, providing full protection against dust ingress and protection against low-pressure water jets. The rear of the unit is rated IP20.

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 polarity is correct and voltage is within the specified range.

Ensure the 24 V DC supply is stable and within tolerance. If voltage is correct and the display remains blank, the internal power supply or backlight inverter may be faulty and the unit may require repair or replacement.

HMI panel shows 'No connection to PLC' or communication error on screen

Check the MPI or PROFIBUS DP cable for physical damage and verify that bus termination resistors are correctly placed at both ends of the network. Confirm the PLC node address and baud rate in the HMI project match the actual PLC settings.

Replace or reseat the communication cable. Correct any address or baud rate mismatches in the WinCC flexible project and re-transfer to the panel. Ensure the PLC is in RUN mode.

Touch screen does not respond or responds inaccurately to input

The resistive touch screen may require recalibration, or the touch surface may be contaminated. Access the panel's Start Center during boot to initiate touch calibration.

Perform a touch screen recalibration via the panel's Start Center or Control Panel. Clean the touch surface with a soft, dry cloth. If calibration does not resolve the issue, the touch screen overlay may need replacement.

Project transfer from WinCC flexible fails or times out

Verify the MPI cable or PC adapter is correctly connected and the correct COM port and transfer speed are selected in WinCC flexible. Check that the panel is in Transfer mode via the Start Center.

Set the panel to Transfer mode manually through the Start Center. Confirm the correct interface and baud rate settings in the WinCC flexible transfer dialog. Try a different MPI cable or USB-to-MPI adapter if the issue persists.

Panel repeatedly restarts or enters an error loop after project download

The downloaded project may contain configuration errors or be incompatible with the panel firmware version. Check the WinCC flexible project for compilation warnings or errors.

Recompile the project in WinCC flexible and resolve all errors before re-transferring. If the panel firmware is outdated, update it using the Siemens ProSave tool before loading the project again.

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