
Siemens 6AV6341-1BA34-0AY0 OP 177B
€ 1.995,00
The Siemens 6AV6341-1BA34-0AY0 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 STN LCD display and is part of the 170 series of compact operator panels from Siemens. It is configured for use with the WinCC flexible engineering software and supports a wide range of SIMATIC controllers.
The OP 177B features a 5.7-inch STN monochrome display with a resolution of 320 x 240 pixels and includes both a touch screen and function keys for flexible operator input. It is equipped with MPI/PROFIBUS DP and RS-422/RS-485 communication interfaces, enabling direct connection to SIMATIC S7, S5, and third-party controllers. The panel includes 256 KB user memory for project data, supports recipe management, alarm logging, and trend display functions, and operates on a 24 V DC supply.
The OP 177B is widely used in manufacturing automation, machine tool control, packaging machinery, and process plant environments where a compact, robust operator interface is required. Its combination of touch and key-based input makes it suitable for applications demanding both flexibility and tactile feedback. The panel's compatibility with PROFIBUS DP makes it a practical choice for integration into distributed automation architectures across industries such as automotive, food and beverage, and general manufacturing.
Technical Specifications
| Display Size | 5.7 inch |
|---|---|
| Display Type | STN monochrome LCD |
| Display Resolution | 320 x 240 pixels |
| Touch Technology | Resistive touchscreen with function keys |
| Input/Operating Voltage | 24 V DC |
| Power Consumption | Max. 9 W |
| Communication Interface | MPI/PROFIBUS DP, RS-422/RS-485 |
| User Memory | 256 KB |
| 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
- Configuration error: The project loaded on the panel is incompatible or corrupt.
Reload the project using WinCC flexible. Verify the project was compiled without errors before transfer. - Event ID: 20000
- Communication error: Connection to the configured PLC controller has been lost or cannot be established.
Check MPI/PROFIBUS DP cabling and termination resistors. Verify the PLC address and baud rate settings match the panel configuration. - Event ID: 40000
- Tag read/write error: A process tag could not be read from or written to the connected controller.
Verify the tag address in the WinCC flexible project matches the actual PLC data block or memory address. Check PLC program is running. - Event ID: 50000
- Recipe data error: A recipe record could not be read or written correctly.
Check available user memory on the panel. Re-transfer the project and verify recipe configuration in WinCC flexible. - Event ID: 70000
- Alarm buffer overflow: The alarm buffer has reached its maximum capacity.
Acknowledge and clear pending alarms. Review alarm configuration to reduce unnecessary alarm generation. - Event ID: 110000
- Operating system error: An internal system fault has been detected.
Perform a panel restart. If the fault persists, perform a factory reset and reload the project firmware and configuration. - Event ID: 120000
- Memory card error: The inserted memory card cannot be read or is not recognized.
Remove and reinsert the memory card. Verify the card is formatted correctly and is compatible with the OP 177B panel.
Frequently Asked Questions
What engineering software is required to configure the OP 177B (6AV6341-1BA34-0AY0)?
The OP 177B is configured using Siemens WinCC flexible 2008 or later. Projects are compiled and transferred to the panel via MPI, PROFIBUS DP, or a USB/serial connection.
Which Siemens PLCs are compatible with the OP 177B?
The OP 177B is compatible with SIMATIC S7-200, S7-300, S7-400, and S7-1200 controllers via MPI or PROFIBUS DP. It also supports connections to SIMATIC S5 and selected third-party controllers via RS-422/RS-485.
What is the display type on the 6AV6341-1BA34-0AY0?
This variant features a 5.7-inch STN monochrome LCD with a resolution of 320 x 240 pixels. It supports both touchscreen and physical function key input.
What is the supply voltage for the OP 177B?
The panel operates on a 24 V DC supply with a maximum power consumption of approximately 9 W. The supply must be within the specified tolerance range to ensure reliable operation.
Can the OP 177B be used as a replacement for older Siemens OP panels?
Yes, the OP 177B is designed as a functional replacement for older SIMATIC HMI panels such as the OP 17 and OP 27, with compatible communication interfaces and similar panel cutout dimensions.
Troubleshooting
Display remains blank after power on
Measure the 24 V DC supply voltage at the panel power connector. Check that the supply is within tolerance and that the power connector is fully seated.
Restore correct 24 V DC supply. If the supply is correct and the display remains blank, the internal power supply board or backlight inverter may be faulty and require replacement.
Panel fails to communicate with the PLC
Check the MPI or PROFIBUS DP cable connections and verify that bus termination resistors are correctly installed at both ends of the bus. Confirm the panel station address and baud rate match the PLC network settings.
Correct any wiring faults and ensure proper bus termination. Update the panel communication settings in WinCC flexible to match the PLC network configuration and re-transfer the project.
Touchscreen input is inaccurate or unresponsive
Attempt to recalibrate the touchscreen via the panel's Start Center or Service menu. Check for physical damage or contamination on the touch surface.
Perform a touchscreen calibration. If calibration does not resolve the issue, the touchscreen overlay may be damaged and require replacement.
Project transfer fails or is interrupted
Verify the transfer cable connection between the programming PC and the panel. Check that WinCC flexible is set to the correct transfer interface (MPI, PROFIBUS, or serial) and that the panel is in Transfer mode.
Switch the panel to Transfer mode via the Start Center. Retry the transfer using a known-good cable. If using MPI, verify the PC adapter settings and baud rate match the panel configuration.
Panel repeatedly restarts or displays a system error after loading a project
The loaded project may be incompatible with the panel firmware version or may have been compiled with errors. Check the WinCC flexible project for configuration warnings or errors.
Recompile the project in WinCC flexible, resolve any reported errors, and re-transfer the project. If the issue persists, update the panel firmware to the latest compatible version using ProSave.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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