Siemens 6AV6341-1FC34-0AY0 OP 177B

€ 1.995,00

SKU: 6AV6341-1FC34-0AY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6341-1FC34-0AY0 is an OP 177B operator panel belonging to the SIMATIC HMI series, designed for machine-level human-machine interface applications. This unit provides a monochrome or color display with touch and key-based operation, serving as a compact yet capable panel for process visualization and control. It is part of Siemens' established SIMATIC HMI product line, which is widely deployed in industrial automation environments worldwide.

The OP 177B features a 5.7-inch STN display and supports both MPI/PROFIBUS DP and Ethernet communication interfaces, enabling flexible integration into existing Siemens automation architectures. It is configurable using WinCC flexible engineering software and supports alarm management, recipe handling, and trend displays. The panel operates on 24 V DC and is rated to IP65 on the front face, providing protection against dust and water ingress in demanding environments. Onboard flash memory supports project storage, and the unit supports USB interfaces for data transfer and peripheral connection.

The OP 177B is commonly used in machine building, manufacturing automation, and process industries where a compact operator interface is required at the machine level. It is well suited for integration with Siemens S7-300 and S7-400 PLCs via MPI or PROFIBUS DP, as well as third-party controllers via configurable drivers. Typical applications include packaging machinery, conveyor systems, press controls, and general-purpose machine tool interfaces.

Technical Specifications

Display Size	5.7 inch
Display Type	STN LCD
Display Colors	256 colors
Display Resolution	320 x 240 px (QVGA)
Touch Technology	Touch screen with membrane keypad
Input/Operating Voltage	24 V DC
Power Consumption	Max. 10 W
Communication Interface	MPI/PROFIBUS DP, Ethernet (RJ45), USB
IP/Protection Rating	IP65 (front), IP20 (rear)
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
Series/Product Family	SIMATIC HMI OP 177B

Common Error Codes & System Events

Event ID: 10000: Connection to PLC lost or communication timeout on configured connection.
Check MPI/PROFIBUS DP or Ethernet cable connections and termination resistors. Verify PLC is powered and in RUN mode. Check configured communication parameters in WinCC flexible.
Event ID: 10001: Communication error on a configured PLC connection, data exchange interrupted.
Verify network address settings on both the panel and PLC. Check for cable faults or bus termination issues. Restart the panel and PLC if the error persists.
Event ID: 20000: Project download failed or project data is corrupt.
Re-download the project from WinCC flexible. Ensure the engineering software version is compatible with the panel firmware version. Check USB or Ethernet connection used for transfer.
Event ID: 40000: System memory low; available memory for runtime operation is insufficient.
Reduce project size by removing unused screens, tags, or archived data. Transfer project again after optimization. Consider archiving data to external USB storage.
Event ID: 50000: Firmware version mismatch between the project and the panel.
Update the panel firmware to match the version required by the WinCC flexible project, or recompile the project using the firmware version installed on the panel.
Event ID: 70000: Internal device error or hardware fault detected during self-test.
Perform a panel restart. If the error persists, back up the project, perform a factory reset, and reload the project. Contact Siemens technical support if the fault remains after reset.
Event ID: 60000: Tag limit exceeded; the number of configured tags exceeds the panel capacity.
Review and reduce the number of configured tags in WinCC flexible. Remove unused or redundant tags and re-download the project to the panel.

Frequently Asked Questions

Which engineering software is used to configure the OP 177B?

The OP 177B is configured using Siemens WinCC flexible. The appropriate version must match the firmware installed on the panel to ensure compatibility.

Which PLCs are compatible with the OP 177B?

The OP 177B is primarily designed for use with Siemens S7-300 and S7-400 PLCs via MPI or PROFIBUS DP. It also supports Ethernet-based connections and can communicate with third-party controllers using configurable protocol drivers.

What is the supply voltage for the 6AV6341-1FC34-0AY0?

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

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

The front face of the OP 177B is rated to IP65, providing protection against dust and low-pressure water jets. The rear of the unit is rated IP20.

Can the OP 177B be used to transfer projects via USB?

Yes, the OP 177B is equipped with a USB interface that can be used for project transfer, firmware updates, and connecting USB storage devices for data archiving.

Troubleshooting

Display remains blank after power on

Measure 24 V DC at the power supply connector on the rear of the panel. Check that the supply voltage is within the specified range and that the connector is fully seated.

Replace or correct the power supply if voltage is absent or out of range. If voltage is correct and the display remains blank, the backlight or internal power board may be faulty and the unit should be sent for repair.

Panel does not communicate with the PLC

Check the MPI/PROFIBUS DP or Ethernet cable for physical damage and verify correct termination. Confirm that the bus address and communication parameters configured in WinCC flexible match those set on the PLC.

Correct any address mismatches in the panel configuration. Replace damaged cables or connectors. Ensure bus termination resistors are correctly placed at both ends of the PROFIBUS segment.

Touchscreen does not respond or responds inaccurately

Check for physical damage or contamination on the touch surface. Attempt to recalibrate the touchscreen through the panel's system settings menu.

Clean the touch surface with a soft, dry cloth. Perform a touchscreen calibration via the Control Panel in the panel's start center. If the issue persists, the touch foil may require replacement.

Project download fails during transfer from WinCC flexible

Verify the USB or Ethernet connection between the engineering PC and the panel. Check that the WinCC flexible project version matches the firmware version on the panel.

Update the panel firmware or recompile the project for the correct firmware version. Use a known-good USB cable or verify Ethernet IP settings. Retry the download after resolving version mismatches.

Panel repeatedly restarts or enters a boot loop

This may indicate a corrupt project file or a hardware fault. Attempt to access the panel's start center by pressing the appropriate key combination during boot to prevent the project from loading automatically.

Delete the existing project from the panel via the start center and re-download a verified project from WinCC flexible. If the boot loop continues without a project loaded, the panel hardware may be faulty and requires service.

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