
Siemens 6AV6642-5DA00-0FF0 TP177B
€ 695,00
The Siemens 6AV6642-5DA00-0FF0 is a TP177B series touch panel HMI (Human-Machine Interface) belonging to the SIMATIC HMI family. This unit features a 5.7-inch STN color display and is designed for machine-level visualization and operator control tasks. It runs on WinCC flexible runtime and is configured using Siemens WinCC flexible engineering software.
The TP177B 6AV6642-5DA00-0FF0 is equipped with a resistive touch screen and supports MPI, PROFIBUS DP, and RS-422/RS-485 communication interfaces, enabling integration with SIMATIC S7-200, S7-300, and S7-400 PLCs. The panel features 256-color display capability, 6 MB of user memory, and an integrated Ethernet interface is not present on this variant. It operates on 24 V DC supply voltage and includes a compact flash card slot for data logging and recipe management.
This HMI panel is widely used in manufacturing automation, packaging machinery, conveyor systems, and process control applications where a compact yet capable operator interface is required. Its compatibility with the SIMATIC controller range and support for PROFIBUS DP makes it suitable for integration into existing Siemens automation architectures. The panel's robust construction and wide operating temperature range make it appropriate for industrial environments with demanding conditions.
Technical Specifications
| Display Size | 5.7 inch |
|---|---|
| Display Type | STN color |
| Display Colors | 256 colors |
| Display Resolution | 320 x 240 pixels (QVGA) |
| Touch Technology | Resistive |
| Input Voltage | 24 V DC |
| Power Consumption | Max. 6 W |
| Communication Interface | MPI, PROFIBUS DP, RS-422/RS-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 |
| Series | SIMATIC HMI TP177B |
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 or has been lost.
Check physical wiring on MPI or PROFIBUS DP interface. Verify correct bus address and baud rate settings on both the HMI and PLC. Ensure terminating resistors are correctly placed on the bus. - Event ID: 10001
- Connection to PLC interrupted during runtime. The HMI lost communication with the configured controller.
Inspect cable connections and connectors. Check PLC operating state. Verify network configuration in WinCC flexible project matches hardware settings. - Event ID: 20000
- Tag read error. The HMI is unable to read a configured tag from the PLC.
Verify that the tag address exists in the PLC program and that the data block or memory area is accessible. Check for address conflicts in the WinCC flexible project. - Event ID: 20001
- Tag write error. The HMI is unable to write a value to a configured PLC tag.
Confirm the PLC is in RUN mode and the target memory area is not write-protected. Check tag configuration in WinCC flexible for correct address and data type. - Event ID: 40000
- Project download error. Transfer of the WinCC flexible project to the HMI panel failed.
Ensure the HMI is in transfer mode. Check the communication cable and PC interface settings. Verify sufficient free memory on the panel before initiating transfer. - Event ID: 50000
- Internal device error or hardware fault detected on the HMI panel.
Perform a panel restart. If the fault persists, perform a factory reset via the Control Panel. If the issue continues, the unit may require repair or replacement of internal components. - Event ID: 60000
- Compact Flash card error. The panel cannot read from or write to the inserted CF card.
Remove and reinsert the CF card. Verify the card is formatted correctly (FAT). Replace the CF card if the error persists. - Event ID: 70000
- Backup/restore error. A backup or restore operation via the CF card or transfer connection has failed.
Check available memory on the target medium. Ensure the correct firmware version is used. Retry the operation and verify the integrity of the backup file.
Frequently Asked Questions
Which PLCs are compatible with the Siemens 6AV6642-5DA00-0FF0 TP177B?
The TP177B 6AV6642-5DA00-0FF0 is compatible with SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP interfaces. It also supports communication with S7-200 via RS-485 (PPI protocol).
What software is used to configure and program this HMI panel?
The panel is configured using Siemens WinCC flexible 2008 or later. Projects are compiled and downloaded to the panel via MPI, PROFIBUS DP, or USB-to-serial adapter.
Does the 6AV6642-5DA00-0FF0 have an Ethernet interface?
No, this specific variant of the TP177B does not include an integrated Ethernet interface. Communication is limited to MPI, PROFIBUS DP, and RS-422/RS-485.
What is the display resolution of the TP177B 6AV6642-5DA00-0FF0?
The display resolution is 320 x 240 pixels (QVGA) on a 5.7-inch STN color screen capable of displaying 256 colors.
Can a Compact Flash card be used with this panel?
Yes, the TP177B 6AV6642-5DA00-0FF0 includes a Compact Flash card slot that supports data logging, recipe management, and project backup and restore functions.
Troubleshooting
Display remains blank after power on
Measure the 24 V DC supply voltage at the power connector. Check that the supply is within the specified range and that polarity is correct. Inspect the internal fuse if accessible.
Correct any power supply issues. If voltage is present and correct but the display remains blank, the backlight or internal power board may have failed and the unit should be sent for repair.
Touch screen does not respond or responds inaccurately
Check for physical damage or contamination on the touch surface. Attempt to recalibrate the touch screen via the Control Panel on the HMI. Verify that no external pressure is being applied to the panel bezel.
Clean the touch surface with a soft, dry cloth. Perform a touch screen calibration from the Siemens Control Panel menu. If calibration fails or the issue persists, the resistive touch overlay may need replacement.
HMI cannot establish communication with the PLC
Verify the MPI or PROFIBUS DP cable connections at both the HMI and PLC. Check bus address settings on both devices and confirm baud rate matches. Use a bus diagnostic tool to check for bus errors or address conflicts.
Correct any wiring faults or loose connectors. Adjust bus addresses and baud rate settings in the WinCC flexible project and on the PLC to ensure they match. Ensure bus termination resistors are enabled only at the physical ends of the bus.
Project download fails or transfer mode cannot be activated
Confirm the HMI is set to transfer mode via the Start Center or Control Panel. Check the communication cable between the PC and HMI. Verify the correct COM port and transfer settings in WinCC flexible.
Restart the HMI and re-enter transfer mode. Replace the PC-to-HMI communication cable if suspected faulty. Ensure the WinCC flexible project is compiled without errors before attempting transfer.
Panel displays 'No project' or boots to Start Center unexpectedly
This typically occurs after a failed project download, a factory reset, or if the internal flash memory has been corrupted. Check if a valid project is stored on the panel via the Control Panel.
Re-download the WinCC flexible project to the panel. If the panel repeatedly loses its project, check for power supply instability during operation. A persistent issue may indicate internal flash memory failure requiring hardware repair.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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