Siemens 6AV6341-1BA23-1AY0 OP 27

€ 1.995,00

SKU: 6AV6341-1BA23-1AY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6341-1BA23-1AY0 is an Operator Panel (OP 27) belonging to the SIMATIC HMI family, designed for human-machine interface applications in industrial automation environments. This unit provides a monochrome graphical display for process visualization and operator control, and is part of the established OP series of operator panels from Siemens. The 6AV6341-1BA23-1AY0 variant is configured for integration with Siemens SIMATIC PLCs and compatible controllers.

The OP 27 features a 5.7-inch STN monochrome LCD display with a resolution of 320 x 240 pixels (QVGA), offering clear readability in industrial settings. It is equipped with a membrane keypad for operator input, including function keys and system keys, eliminating the need for a touchscreen. The panel supports communication via MPI (Multi-Point Interface) and PROFIBUS-DP, enabling direct connection to S7-200, S7-300, and S7-400 PLCs. Configuration is performed using Siemens ProTool software, and the unit includes onboard flash memory for project storage.

The OP 27 is widely deployed in manufacturing, process control, and machine automation industries where a robust, non-touch operator interface is required. It is commonly found on packaging machinery, conveyor systems, press lines, and general-purpose industrial machines. Its membrane keypad design makes it particularly suitable for environments where touchscreen operation may be impractical due to gloves, contamination, or harsh conditions.

Technical Specifications

Display Size	5.7 inch
Display Type	STN monochrome LCD
Display Resolution	320 x 240 pixels (QVGA)
Display Colors	Monochrome (blue/white)
Input Type	Membrane keypad
Function Keys	16 function keys + system keys
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 10 W
Communication Interface	MPI, PROFIBUS-DP
PLC Compatibility	SIMATIC S7-200, S7-300, S7-400
Configuration Software	Siemens ProTool
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
Mounting	Panel mounting
Certifications	CE, UL

Common Error Codes & System Events

Event ID: 10000: Communication error between the OP 27 and the connected PLC. The panel cannot establish or maintain a connection.
Check MPI or PROFIBUS-DP cable connections and termination resistors. Verify PLC address settings and baud rate configuration in ProTool match the hardware setup.
Event ID: 10001: PLC not responding or connection to PLC has been lost during runtime.
Verify PLC is powered and in RUN mode. Check network cabling and connector integrity. Confirm MPI/PROFIBUS address is correctly assigned.
Event ID: 20000: Project download error. The configuration project could not be transferred to the OP 27.
Check the PC-to-OP 27 transfer cable connection. Ensure the panel is in transfer mode and that ProTool project settings match the target device type.
Event ID: 40000: Internal memory error or project data corruption detected on the panel.
Perform a full project re-download from the ProTool configuration PC. If the error persists, perform a factory reset and re-download the project.
Event ID: 50000: Operating system or firmware version mismatch between the project and the panel firmware.
Update the panel firmware to match the version required by the ProTool project, or recompile the project using the correct OS version.
Event ID: 60000: Watchdog timeout error. The panel's internal watchdog has triggered due to a system hang or software fault.
Cycle power to the panel. If the fault recurs, check for project logic errors or excessive screen update loads. Consider updating firmware.
Event ID: 70000: Display backlight failure or backlight lifetime warning.
If the display is dim or unlit, the backlight may require replacement. Contact a qualified repair technician to replace the backlight unit.

Frequently Asked Questions

Which PLCs are compatible with the OP 27 (6AV6341-1BA23-1AY0)?

The OP 27 is compatible with Siemens SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS-DP interfaces. It can also connect to S5 PLCs using appropriate adapters and configuration.

What software is used to configure and program the OP 27?

The OP 27 is configured using Siemens ProTool software. Projects are created on a PC and downloaded to the panel via a serial or MPI connection.

What is the supply voltage required for the OP 27?

The OP 27 requires a 24 V DC supply voltage. Ensure the power supply is within the specified tolerance range to avoid operational issues.

Does the OP 27 have a touchscreen?

No, the OP 27 uses a membrane keypad for operator input and does not feature a touchscreen. It includes 16 function keys and dedicated system keys.

What is the IP protection rating of the OP 27 front panel?

The front panel of the OP 27 is rated IP65, providing protection against dust ingress and low-pressure water jets, making it suitable for industrial panel mounting.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the power connector. Verify the supply is within tolerance and that the connector is firmly seated. Inspect the internal fuse if accessible.

Restore correct 24 V DC supply. If the supply is confirmed good and the display remains blank, the backlight or internal power supply board may have failed and requires professional repair or replacement.

Panel cannot communicate with the PLC

Verify MPI or PROFIBUS-DP cable connections at both the panel and PLC ends. Check that bus termination resistors are correctly placed at both ends of the network. Confirm that the MPI address and baud rate in the ProTool project match the PLC configuration.

Correct any wiring faults, replace damaged cables, and ensure address and baud rate settings are consistent across all devices on the network. Re-download the project if configuration changes are made.

Project download fails or transfer cannot be initiated

Confirm the panel is set to transfer mode (accessible via the panel's start menu). Check the PC-to-panel cable integrity and the COM port settings on the PC. Ensure ProTool is configured for the correct target device and communication port.

Place the panel in transfer mode, use a known-good transfer cable, and verify COM port settings. Re-attempt the download. If the issue persists, perform a panel reset and retry.

Operator keys are unresponsive or produce incorrect inputs

Inspect the membrane keypad for physical damage, contamination, or deformation. Check the internal ribbon cable connection between the keypad and the main board if the unit is open for service.

Clean the keypad surface if contaminated. If the keypad is physically damaged or the ribbon cable is faulty, the keypad membrane or the main board connector may need to be replaced by a qualified technician.

Panel displays 'No project' or loads incorrect project after power cycle

The onboard flash memory may have been corrupted or the project was not fully downloaded. Check if the correct project file is available on the configuration PC.

Re-download the correct ProTool project to the panel. Ensure the download completes without interruption. If memory corruption is suspected, perform a factory reset before re-downloading.

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