Siemens 6AV6355-1AA47-7CF4 TP177B

€ 3.495,00

SKU: 6AV6355-1AA47-7CF4 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6355-1AA47-7CF4 is a member of the SIMATIC TP177B series of operator panels, part of Siemens' SIMATIC HMI product line. This touch panel is designed for machine-level visualization and operator control in industrial automation environments. The TP177B series provides a compact and robust solution for process monitoring and control tasks, integrating seamlessly with Siemens SIMATIC controllers.

The 6AV6355-1AA47-7CF4 features a 5.7-inch STN color display with a resolution of 320 x 240 pixels (QVGA) and resistive touch technology for reliable operator input. It supports communication via PROFIBUS DP and MPI interfaces, enabling direct connection to SIMATIC S7-200, S7-300, and S7-400 PLCs. The panel runs on the Windows CE operating system and is configured using WinCC flexible 2005 or later engineering software. It operates on a 24 V DC supply and is rated IP65 on the front face for protection against dust and water ingress.

The TP177B is widely deployed in manufacturing, packaging, and process industries where a compact, cost-effective HMI solution is required at the machine level. Its compatibility with the SIMATIC S7 controller family makes it a standard choice for OEM machine builders integrating Siemens automation architectures. The panel is suited for applications such as conveyor control, pump stations, and general machine monitoring where a graphical color display with touch input is needed.

Technical Specifications

Display Size	5.7 inch
Display Resolution	320 x 240 pixels (QVGA)
Display Type	STN color LCD
Display Colors	256 colors
Touch Technology	Resistive touchscreen
Input Voltage	24 V DC
Power Consumption	Approx. 6 W
Communication Interface	PROFIBUS DP, MPI
Operating System	Windows CE
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
Certifications	CE, UL, cULus

Common Error Codes & System Events

Event ID: 1000: System startup event. The HMI device has completed its boot sequence and is initializing the runtime environment.
No action required under normal conditions. If startup fails repeatedly, check the project configuration and re-download the project using WinCC flexible.
Event ID: 10000: Connection to the PLC could not be established or has been lost.
Check PROFIBUS/MPI cable connections and termination resistors. Verify the PLC address settings match the HMI project configuration. Confirm the PLC is powered and in RUN mode.
Event ID: 10001: Communication timeout with the configured PLC controller.
Check network cabling and bus termination. Verify baud rate settings on both the HMI and PLC. Reduce the number of tags being polled if bus load is high.
Event ID: 20000: Tag read error. A configured tag could not be read from the PLC.
Verify the tag address exists in the PLC program. Check that the data block or memory area referenced in the HMI project is correctly defined in the controller.
Event ID: 20001: Tag write error. A value could not be written to the PLC tag.
Confirm the PLC is not in a write-protected state. Verify the tag address and data type match between the HMI project and the PLC program.
Event ID: 40000: Project download error. The project transfer to the HMI device was interrupted or failed.
Ensure the correct transfer cable or network connection is used. Restart the HMI in transfer mode and re-initiate the download from WinCC flexible. Check available memory on the device.
Event ID: 70010: Internal device error or hardware fault detected.
Perform a power cycle of the HMI panel. If the fault persists, back up the project, perform a factory reset, and reload the project. Contact Siemens technical support if the error recurs.

Frequently Asked Questions

Which PLCs are compatible with the Siemens 6AV6355-1AA47-7CF4?

The TP177B is compatible with Siemens SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP interfaces. It can also communicate with other controllers supported by WinCC flexible drivers.

What software is required to configure this HMI panel?

The panel is configured using Siemens WinCC flexible 2005 or a later version. Projects are transferred to the device via a PC adapter cable or network connection.

What is the supply voltage for the 6AV6355-1AA47-7CF4?

The panel requires a 24 V DC power supply. Ensure the supply is within the specified tolerance range to prevent device faults.

What is the front panel protection rating of the TP177B?

The front face of the TP177B is rated IP65, providing protection against dust ingress and low-pressure water jets. The rear of the unit is rated IP20.

Can the TP177B display be used with PROFINET?

No, the 6AV6355-1AA47-7CF4 variant communicates via PROFIBUS DP and MPI only. For PROFINET connectivity, a different TP177B variant or a higher-series panel such as the TP277 would be required.

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 wiring.

Correct the supply voltage or wiring polarity. If the supply is confirmed correct and the display remains blank, the internal power supply board or backlight may require replacement.

Touchscreen does not respond or responds inaccurately

Check whether the touch input is consistently offset or completely unresponsive. An offset response typically indicates a calibration issue, while no response may indicate a hardware fault.

Perform a touchscreen recalibration via the Windows CE control panel or the HMI Start Center. If the touchscreen remains unresponsive after calibration, the touch overlay may need to be replaced.

HMI cannot establish communication with the PLC

Verify the PROFIBUS or MPI cable is correctly connected and terminated. Check the bus address configured in the HMI project matches the physical address set on the PLC.

Correct any address mismatches in the WinCC flexible project and re-download. Replace the communication cable if continuity testing reveals a fault. Ensure bus termination resistors are enabled only at both ends of the network.

Project download fails or transfer is interrupted

Confirm the HMI is in transfer mode before initiating the download. Check the PC adapter cable or Ethernet connection between the engineering PC and the HMI device.

Restart the HMI panel and select Transfer mode from the Start Center. Re-initiate the project transfer from WinCC flexible. If the issue persists, check available storage memory on the device and reduce project size if necessary.

HMI displays incorrect or frozen tag values

Check the communication status indicators in the WinCC flexible runtime. Determine whether specific tags or all tags are affected, which helps isolate whether the issue is a PLC program fault or a communication problem.

Restart the HMI runtime. If the problem persists, verify the PLC program is updating the relevant data areas. Re-download the HMI project to ensure the tag configuration is current and correctly mapped.

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