Siemens 6AV6341-1DC34-0AY0 OP 177B

€ 1.995,00

SKU: 6AV6341-1DC34-0AY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6341-1DC34-0AY0 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 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 across industrial automation environments worldwide.

The OP 177B features a 5.7-inch STN display and supports both MPI and PROFIBUS DP communication interfaces, enabling seamless integration with SIMATIC S7 PLCs. It includes configurable function keys, a numeric and alphanumeric keypad, and supports WinCC flexible as its configuration software. The panel offers 512 KB user memory for project data, operates on 24 V DC supply, and is rated IP65 on the front face, making it suitable for panel-mount installations in industrial enclosures.

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 applications such as conveyor systems, packaging machinery, and general-purpose machine control where operators need to monitor process values, trigger commands, and respond to alarms. Its compatibility with the SIMATIC S7-300 and S7-400 controller families makes it a standard choice for system integrators working within the Siemens automation ecosystem.

Technical Specifications

Display Size	5.7 inch
Display Type	STN LCD
Display Colors	256 colors
Display Resolution	320 x 240 pixels (QVGA)
Operating Voltage	24 V DC
Power Consumption	Max. 9 W
Communication Interface	MPI, PROFIBUS DP, RS 422/485
User Memory	512 KB
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
Configuration Software	WinCC flexible 2005 or higher

Common Error Codes and System Events

Event ID: 10000: Connection to PLC could not be established or was interrupted
Check MPI or PROFIBUS DP cable connections, verify PLC address settings, and confirm the PLC is powered and running.
Event ID: 10001: Communication timeout with the configured controller
Verify communication parameters (baud rate, station address) match between the OP 177B and the PLC. Check cable integrity and termination resistors on the bus.
Event ID: 20000: Project download failed or project data is corrupt
Re-download the project from WinCC flexible to the panel. Ensure the WinCC flexible version is compatible with the OP 177B firmware version.
Event ID: 40000: System memory low — insufficient memory for project execution
Reduce project size by removing unused screens or tags, or transfer the project again after clearing the panel memory.
Event ID: 50000: Firmware update error or firmware version mismatch
Re-flash the panel firmware using ProSave or WinCC flexible, ensuring the correct firmware version for the 6AV6341-1DC34-0AY0 is used.
Event ID: 70000: Internal device error or hardware fault detected
Perform a factory reset via the panel's Start Center. If the fault persists, the panel may require repair or replacement of internal components.
Event ID: 30000: Tag value out of configured limit range
Check the PLC data source for the affected tag. Verify high and low limit configurations in WinCC flexible match the expected process value range.

Frequently Asked Questions

What communication interfaces does the OP 177B (6AV6341-1DC34-0AY0) support?

The OP 177B supports MPI and PROFIBUS DP interfaces, as well as RS 422/485 serial communication. This allows direct connection to SIMATIC S7-300 and S7-400 PLCs without additional hardware.

Which configuration software is required for this panel?

The OP 177B is configured using Siemens WinCC flexible 2005 or a later compatible version. Projects are transferred to the panel via MPI, PROFIBUS DP, or a USB/serial connection using ProSave.

What is the display resolution and type of the OP 177B?

The panel features a 5.7-inch STN LCD display with a resolution of 320 x 240 pixels (QVGA) and supports up to 256 colors.

Is the OP 177B compatible with SIMATIC S7-1200 or S7-1500 PLCs?

The OP 177B is primarily designed for use with S7-300 and S7-400 PLCs via MPI or PROFIBUS DP. Compatibility with S7-1200 or S7-1500 is limited and generally not recommended; newer SIMATIC HMI panels such as the KTP series are preferred for those controllers.

What is the front panel protection rating of the 6AV6341-1DC34-0AY0?

The front face of the OP 177B is rated IP65, providing protection against dust ingress and low-pressure water jets, making it suitable for panel-mount installation in industrial environments.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the power connector on the rear of the panel. Check for correct polarity and verify the supply can deliver sufficient current.

Correct any wiring errors or supply voltage issues. If the supply voltage is confirmed correct and the display remains blank, the internal power supply board or backlight inverter may be faulty and require replacement.

Panel does not communicate with the PLC after project download

Verify the MPI or PROFIBUS DP address configured in WinCC flexible matches the address set on the OP 177B Start Center. Check bus termination and cable connections at both ends.

Correct address mismatches in the project or on the panel. Ensure bus termination resistors are active only at the two physical ends of the bus segment. Replace the communication cable if damaged.

Touchscreen does not respond or responds inaccurately

Attempt to recalibrate the touchscreen via the panel's Start Center under Settings. Check for physical damage or contamination on the touch surface.

Perform a touchscreen calibration. Clean the display surface with a soft, dry cloth. If calibration does not resolve the issue, the touch foil or controller board may require replacement.

Panel repeatedly restarts or enters an error loop after startup

Check whether the loaded project is compatible with the current firmware version of the panel. Connect via ProSave to read the firmware version and compare with the project's target device settings.

Update the panel firmware to the version required by the project, or re-configure the project in WinCC flexible targeting the correct firmware version and re-download. Perform a factory reset if the panel cannot complete startup.

Function keys do not trigger the expected actions in the project

Verify the key assignments in the WinCC flexible project match the physical key layout of the OP 177B. Check that the correct panel type was selected during project configuration.

Correct the key assignments in WinCC flexible and re-download the project. If keys are physically unresponsive, inspect the keypad membrane for damage and replace if necessary.

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