Siemens 6AV6355-1AA47-7CL3 OP 177B

€ 3.495,00

SKU: 6AV6355-1AA47-7CL3 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6355-1AA47-7CL3 is an Operator Panel (OP 177B) belonging to the SIMATIC HMI series, designed for machine-level human-machine interface applications. This unit provides a monochrome or color display with keypad-based operation and is part of the SIMATIC 170 panel family, offering a compact and robust solution for process visualization and control. The 6AV6355-1AA47-7CL3 variant is configured for use with specific communication and display options within the OP 177B product line.

The OP 177B features a 5.7-inch STN display and supports both MPI/PROFIBUS DP and Ethernet communication interfaces, enabling flexible integration into SIMATIC S7 automation environments. It is configured and programmed using WinCC flexible software, supporting tag-based data exchange, alarm management, recipe handling, and trend displays. The panel includes an integrated keypad with function keys, system memory for project storage, and supports multiple language configurations for international deployments.

The OP 177B is widely used in manufacturing, process automation, and machine building industries where a reliable and cost-effective operator interface is required. It is particularly suited for controlling and monitoring conveyor systems, packaging machinery, printing equipment, and general-purpose industrial machines. Its compatibility with the SIMATIC S7-300 and S7-400 controller families makes it a standard choice for mid-range automation systems.

Technical Specifications

Display Size	5.7 inch
Display Type	STN LCD
Display Colors	256 colors (color variant) / Monochrome
Resolution	320 x 240 pixels (QVGA)
Input/Operating Voltage	24 V DC
Power Consumption	Max. 9 W
Communication Interface	MPI/PROFIBUS DP, RS-422/RS-485, Ethernet (RJ45)
Programming Software	WinCC flexible 2005 or higher
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/Product Family	SIMATIC HMI OP 177B

Common Error Codes & System Events

Event ID: 10000: Communication error between the HMI panel and the connected PLC controller.
Check MPI/PROFIBUS DP or Ethernet cable connections. Verify PLC address settings and baud rate configuration in WinCC flexible project match the controller settings.
Event ID: 10001: Connection to the PLC has been interrupted or timed out.
Verify the PLC is powered and running. Check network cables and connectors. Confirm the communication parameters (station address, baud rate) are correctly configured.
Event ID: 40000: Project download error — the project could not be transferred to the panel.
Ensure the correct transfer cable or network connection is used. Check that WinCC flexible version is compatible with the panel firmware. Restart the panel in transfer mode and retry the download.
Event ID: 40010: Insufficient memory on the HMI device to store the project.
Reduce the project size by removing unused images, tags, or archived data. Perform a memory reset on the panel before re-downloading the project.
Event ID: 20000: Tag read/write error — a configured tag could not be read from or written to the PLC.
Verify the tag address in the WinCC flexible project matches the actual PLC memory address. Check PLC program to ensure the data block or memory area is accessible.
Event ID: 50000: System fault — internal hardware or firmware error detected on the panel.
Perform a panel restart. If the fault persists, perform a factory reset via the Control Panel in the Start Center. If unresolved, the unit may require repair or firmware re-flashing.
Event ID: 60000: Configuration error — the loaded project is incompatible with the current panel firmware version.
Update the panel firmware to the version required by the WinCC flexible project, or recompile the project using a WinCC flexible version compatible with the installed firmware.

Frequently Asked Questions

What communication interfaces does the OP 177B (6AV6355-1AA47-7CL3) support?

The OP 177B supports MPI and PROFIBUS DP communication via an RS-422/RS-485 interface, as well as Ethernet (TCP/IP) via an RJ45 port, allowing connection to SIMATIC S7 PLCs and other compatible controllers.

Which programming software is required to configure this panel?

The OP 177B is configured using Siemens WinCC flexible 2005 or a later version. The project is compiled in WinCC flexible and downloaded to the panel via MPI, PROFIBUS, or Ethernet.

Is the OP 177B compatible with SIMATIC S7-300 and S7-400 PLCs?

Yes, the OP 177B is fully compatible with SIMATIC S7-300 and S7-400 PLCs via MPI or PROFIBUS DP. It can also communicate with S7-200 PLCs using the appropriate communication driver.

What is the supply voltage for the 6AV6355-1AA47-7CL3?

The panel operates on a 24 V DC supply voltage. Ensure the power supply is within the specified tolerance range to prevent damage or operational faults.

Can the OP 177B panel be used outdoors or in harsh environments?

The front face of the OP 177B carries an IP65 protection rating, making it resistant to dust and water jets, suitable for panel-mounted installations in industrial environments. The rear of the unit is rated IP20 and must be protected from moisture and contaminants.

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 wiring faults.

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

Panel shows 'Connecting…' and fails to establish communication with the PLC

Verify the MPI or PROFIBUS DP address configured on the panel matches the network settings. Check the communication cable for continuity and correct pin assignment.

Correct the station address and baud rate in the WinCC flexible project and re-download. Replace the communication cable if damaged. Confirm the PLC is in RUN mode and accessible on the network.

Touchscreen or keypad inputs are not responding correctly

Check for physical damage to the keypad membrane or contamination on the keys. For function key issues, verify key assignments in the WinCC flexible project.

Clean the keypad surface with a dry cloth. If keys are mechanically damaged, the keypad membrane assembly should be replaced. Re-check and correct function key assignments in the project configuration.

Project download fails or transfer mode cannot be activated

Confirm the panel is set to transfer mode via the Start Center menu. Verify the correct transfer channel (MPI, PROFIBUS, or Ethernet) is selected in both the panel settings and WinCC flexible.

Restart the panel and manually select transfer mode from the Start Center. Ensure the PC running WinCC flexible has the correct interface configured. Try an alternative transfer cable or connection method if the issue persists.

Panel displays corrupted graphics or freezes during operation

This may indicate a corrupted project file on the panel or a firmware compatibility issue. Check the firmware version via the Start Center system information screen.

Perform a complete project re-download after recompiling in WinCC flexible. If the issue persists, perform a factory reset and re-flash the firmware to the correct version before re-downloading the project.

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