Siemens 6AV6372-2DF07-1HH4 SIMATIC HMI TP 177B

Name: Siemens 6AV6372-2DF07-1HH4 SIMATIC HMI TP 177B
Brand: Siemens
SKU: 6AV6372-2DF07-1HH4
Price: 1995.00 EUR
Availability: InStock

€ 1.995,00

Condition

Clear

SKU: 6AV6372-2DF07-1HH4 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6372-2DF07-1HH4 is a Touch Panel belonging to the SIMATIC HMI TP 177B series, manufactured by Siemens. It is a compact operator panel designed for machine-level visualization and control in industrial automation environments. The device features a color TFT touch screen and is configured for operation with the WinCC flexible runtime environment.

The TP 177B panel offers a 5.7-inch TFT color display with a resolution of 320 x 240 pixels (QVGA) and supports 256 colors. It is equipped with MPI/PROFIBUS DP and RS-422/RS-485 interfaces for communication with Siemens S7 PLCs and third-party controllers. The unit operates on a 24 V DC supply and includes 512 KB user memory for project data, along with support for external memory expansion via a MultiMediaCard (MMC) slot. The panel runs on the Windows CE operating system and supports configuration via SIMATIC WinCC flexible 2004 or later.

The TP 177B is widely used in machine building, packaging machinery, conveyor systems, and process automation where a compact yet capable HMI interface is required. Its robust construction and IP65 front protection rating make it suitable for installation in control cabinet doors exposed to dust and moisture. The panel is particularly common in applications requiring direct integration with Siemens S7-200, S7-300, and S7-400 PLC families.

Technical Specifications

Display Size	5.7 inch
Display Resolution	320 x 240 pixels (QVGA)
Display Colors	256 colors
Display Type	TFT color
Touch Technology	Resistive touch screen
Input/Operating Voltage	24 V DC
Power Consumption	Max. 6 W
Communication Interface	MPI/PROFIBUS DP, RS-422/RS-485
Memory	512 KB user memory, MMC slot for expansion
Operating System	Windows CE
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90% (non-condensing)
IP/Protection Rating	IP65 (front), IP20 (rear)
Mounting	Panel mounting
Certifications	CE, UL, cULus

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.
Check MPI/PROFIBUS DP cable connections and termination resistors. Verify PLC address settings match the HMI project configuration. Ensure the PLC is powered and in RUN mode.
Event ID: 10001: Connection to PLC interrupted during runtime. Communication was established but subsequently lost.
Inspect cable integrity and connector seating. Check for electromagnetic interference sources near the communication cable. Verify PLC is still operational and not in STOP mode.
Event ID: 20000: Project download error. Transfer of the WinCC flexible project to the panel failed.
Verify the transfer cable or network connection between the engineering PC and the HMI panel. Ensure the panel is in Transfer mode and that the correct COM port or IP address is selected in WinCC flexible.
Event ID: 40000: System memory low. Available user memory on the panel is insufficient for the loaded project.
Reduce the project size by removing unused screens, images, or variables. Consider using an MMC card for extended storage. Ensure no unnecessary background applications are running.
Event ID: 50000: Operating system error. An internal software fault has occurred within the Windows CE runtime environment.
Perform a warm restart of the panel. If the fault persists, perform a factory reset and reload the project. Check for firmware compatibility between the panel and the WinCC flexible project version.
Event ID: 60000: Configuration error detected. A mismatch exists between the loaded project configuration and the panel hardware.
Verify that the project was compiled for the correct HMI device type (TP 177B). Recompile and re-download the project using the correct device template in WinCC flexible.
Event ID: 70000: Tag update error. One or more process tags cannot be read or written due to a configuration or communication issue.
Check tag addressing in the WinCC flexible project. Verify that the PLC data blocks and memory addresses referenced by the tags exist and are accessible. Confirm communication link is active.

Frequently Asked Questions

Which PLCs are compatible with the Siemens 6AV6372-2DF07-1HH4?

The TP 177B is compatible with Siemens S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP. It also supports third-party controllers via the RS-422/RS-485 serial interface using standard protocols.

What software is required to program this HMI panel?

The panel is configured using Siemens SIMATIC WinCC flexible 2004 or later versions. Projects are downloaded to the panel via the MPI interface or a serial transfer cable.

What is the operating voltage for the 6AV6372-2DF07-1HH4?

The panel operates on a 24 V DC supply voltage. Ensure the power supply is within the specified tolerance range to avoid operational issues.

Can the memory be expanded on this panel?

Yes, the TP 177B supports memory expansion via a MultiMediaCard (MMC) slot, which can be used to store additional project data, recipes, and data logs.

What is the front panel protection rating of this unit?

The front panel of the 6AV6372-2DF07-1HH4 carries an IP65 protection rating, making it resistant to dust ingress and low-pressure water jets, suitable for installation in control cabinet doors.

Troubleshooting

Display remains blank after power on

Measure 24 V DC at the power supply terminals on the rear of the panel. Check the internal fuse if accessible. Observe whether any LED indicators illuminate on the device.

Verify and restore correct 24 V DC supply. If the supply is confirmed correct and the display remains blank, the backlight or internal power supply board may have failed and the unit should be sent for repair or refurbishment.

Touch screen does not respond or responds inaccurately

Attempt to recalibrate the touch screen through the Windows CE control panel or the SIMATIC HMI startup menu. Check for physical damage or contamination on the touch surface.

Perform a touch screen recalibration via the panel's loader menu. Clean the screen surface with a soft, dry cloth. If calibration does not resolve the issue, the resistive touch overlay may be worn or damaged and require replacement.

HMI cannot establish communication with the PLC

Check MPI/PROFIBUS DP cable connections at both the panel and PLC ends. Verify bus termination is correctly applied at both ends of the network. Confirm that the PLC address in the HMI project matches the actual PLC configuration.

Replace or reseat the communication cable. Correct any address mismatches in the WinCC flexible project and re-download. Ensure bus termination resistors are enabled only at the physical ends of the network segment.

Project download fails from engineering PC to panel

Confirm the panel is set to Transfer mode via the loader menu. Check the transfer cable connection and verify the correct COM port or transfer settings are selected in WinCC flexible on the PC.

Restart the panel in Transfer mode and retry the download. Try a different transfer cable if available. Ensure the WinCC flexible version used is compatible with the firmware version on the panel.

Panel repeatedly restarts or freezes during operation

Check the 24 V DC supply for voltage fluctuations or drops under load. Review the loaded project for configuration errors or memory overload conditions. Check for overheating by verifying ambient temperature and ventilation around the panel.

Stabilize the power supply and ensure it has sufficient current capacity. Reduce project complexity if memory usage is excessive. Ensure the installation environment does not exceed the 50 °C maximum operating temperature. Perform a firmware update if a known software issue is suspected.

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