Siemens 6AV6355-1AA47-7DM5 OP 177B

€ 3.495,00

SKU: 6AV6355-1AA47-7DM5 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6355-1AA47-7DM5 is an operator panel belonging to the SIMATIC HMI OP 177B series, manufactured by Siemens as part of their SIMATIC HMI product line. This unit serves as a human-machine interface designed for machine-level visualization and control tasks in industrial automation environments. The OP 177B series bridges the gap between basic text-based panels and full graphical HMI systems, offering a monochrome or color display with touch and key-based operation depending on the variant.

The 6AV6355-1AA47-7DM5 features a 5.7-inch STN display and supports communication via MPI, PROFIBUS DP, and Ethernet interfaces, enabling integration with SIMATIC S7 PLCs and other compatible controllers. The panel runs on the WinCC flexible runtime environment, providing support for recipe management, alarm logging, trend displays, and user administration. It offers onboard flash memory for project storage and supports connection to external memory cards for data archiving and project transfer. The unit operates on a 24 V DC supply and is built to withstand industrial environments with a front panel protection rating of IP65.

The OP 177B is widely deployed in machine building, packaging machinery, conveyor systems, and process automation applications where a compact yet capable HMI is required. Its compatibility with the SIMATIC S7-200, S7-300, and S7-400 PLC families makes it a versatile choice for both new installations and retrofit projects. The panel's robust construction and broad communication support make it suitable for demanding production environments across industries such as food and beverage, automotive, and general manufacturing.

Technical Specifications

Display Size	5.7 inch
Display Type	STN LCD
Display Colors	256 colors
Operating Voltage	24 V DC
Power Consumption	Max. 9 W
Communication Interface	MPI, PROFIBUS DP, Ethernet (RJ45)
IP Protection Rating (Front)	IP65
IP Protection Rating (Rear)	IP20
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10% to 90%, non-condensing
Memory	4 MB flash (user memory)
Mounting	Panel mounting
Certifications	CE, UL, cULus
Series/Product Family	SIMATIC HMI OP 177B

Common Error Codes & System Events

Event ID: 10000: Communication error between the HMI panel and the connected PLC. The configured connection cannot be established.
Check physical cable connections and bus termination. Verify MPI or PROFIBUS address settings on both the panel and PLC. Ensure the PLC is powered and in RUN mode.
Event ID: 10001: Connection to PLC interrupted during operation. The HMI has lost communication with the controller.
Inspect the communication cable for damage. Check network configuration parameters in WinCC flexible. Restart both the HMI and PLC if the connection is not restored automatically.
Event ID: 20000: Project download error. The project transfer from the engineering PC to the HMI panel failed.
Verify the transfer cable and interface settings. Ensure the panel is in transfer mode before initiating download. Check that the WinCC flexible project version is compatible with the panel firmware.
Event ID: 40000: System memory low. Available memory on the HMI panel is insufficient for the current project or runtime operation.
Reduce the project size by removing unused screens, tags, or archived data. Clear historical data logs stored on the panel. Consider using an external memory card for data archiving.
Event ID: 50000: Firmware update failed or firmware version mismatch detected between the panel and the loaded project.
Re-flash the panel firmware using ProSave or WinCC flexible. Ensure the firmware version matches the project compilation version. Perform a complete panel reset if the update cannot be completed normally.
Event ID: 60000: Configuration error detected. A tag or screen object references an invalid or missing PLC variable.
Open the project in WinCC flexible and check for unresolved tag references. Correct or remap any invalid variable addresses. Recompile and re-download the project to the panel.
Event ID: 70000: Backup or restore operation failed on the HMI panel.
Check the memory card for errors or replace it. Ensure sufficient free space is available on the card. Retry the backup or restore operation using ProSave.

Frequently Asked Questions

What PLC families are compatible with the OP 177B panel?

The OP 177B is compatible with SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS DP. Ethernet-based communication with S7 controllers is also supported depending on the firmware version and project configuration.

What software is used to configure and program the OP 177B?

The OP 177B is configured using Siemens WinCC flexible engineering software. Projects are compiled in WinCC flexible and transferred to the panel via MPI, PROFIBUS, Ethernet, or USB/serial cable using ProSave.

What is the supply voltage for the 6AV6355-1AA47-7DM5?

The panel requires a 24 V DC supply voltage. Ensure the power source is within the specified tolerance range to avoid operational faults.

What is the front panel protection rating of the OP 177B?

The front panel of the OP 177B carries an IP65 protection rating, making it suitable for installation in environments where dust and water jets may be present.

Can the OP 177B store data on an external memory card?

Yes, the OP 177B supports external memory cards for data archiving, recipe storage, and project transfer. This allows historical data and recipes to be stored independently of the panel's internal flash memory.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel's power connector. Check that the supply is within the specified tolerance. Inspect the internal fuse if accessible.

Correct any supply voltage issues. If the supply is confirmed good and the display remains blank, the internal power supply board or backlight may be faulty and the unit should be sent for repair or the backlight replaced.

HMI panel fails to communicate with the S7 PLC

Verify the MPI or PROFIBUS cable connections at both ends. Check the bus address configured on the panel matches the project settings. Use a bus diagnostic tool to check for bus termination or address conflicts.

Correct the bus address and termination settings. Replace the communication cable if damaged. Ensure the PLC is in RUN mode and that the correct communication driver is selected in the WinCC flexible project.

Project transfer from PC to panel fails repeatedly

Confirm the panel is set to transfer mode via the Start Center menu. Check the interface settings in WinCC flexible match the physical connection type (MPI, Ethernet, or serial). Verify the PC communication adapter is functioning correctly.

Reset the panel to transfer mode and retry the download. If using MPI, check the PC adapter settings and cable. Update the panel firmware using ProSave if a version mismatch is suspected.

Touchscreen does not respond accurately to input

Check whether the touchscreen calibration has drifted. Access the panel's Start Center and navigate to the calibration utility. Inspect the screen surface for damage or contamination.

Perform a touchscreen recalibration from the Start Center settings menu. Clean the screen surface with a soft, dry cloth. If calibration does not resolve the issue, the touch overlay may need replacement.

Panel displays 'No project' or boots to Start Center unexpectedly

Check whether the project has been successfully downloaded to the panel's internal flash memory. A failed transfer or corrupted project file can cause the panel to boot without a valid runtime project.

Re-download the project using WinCC flexible or ProSave. If the internal memory appears corrupted, perform a factory reset via the Start Center and re-flash the firmware before downloading the project again.

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