Siemens 6AV6341-1BA23-0AY0 OP 27

€ 1.995,00

SKU: 6AV6341-1BA23-0AY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6341-1BA23-0AY0 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 OP 27 series which was widely deployed across manufacturing and process industries. The 6AV6341-1BA23-0AY0 variant is a Siemens-manufactured replacement or compatible unit within the OP 27 product line.

The OP 27 features a 5.7-inch STN monochrome LCD display with a resolution of 320 x 240 pixels, offering clear visualization of process data, alarms, and operator prompts. It communicates via MPI (Multi-Point Interface) and PROFIBUS-DP, enabling direct integration with SIMATIC S7-300 and S7-400 PLCs. The panel includes a membrane keypad with function keys, numeric keys, and system keys for operator input, and supports configuration via Siemens ProTool or WinCC flexible engineering software. Onboard flash memory stores project data and recipes, and the unit operates from a 24 V DC supply.

The OP 27 is commonly used in machine tools, packaging machinery, conveyor systems, and process automation installations where a robust, panel-mounted operator interface is required. Its compatibility with the SIMATIC S7 controller family makes it a standard choice for retrofitting or maintaining existing Siemens automation systems. The unit is suited for applications requiring reliable alarm management, recipe handling, and process data display in industrial environments.

Technical Specifications

Display Size	5.7 inch
Display Type	STN monochrome LCD
Display Resolution	320 x 240 pixels
Input Voltage	24 V DC
Power Consumption	Max. 15 W
Communication Interface	MPI, PROFIBUS-DP
Operating Temperature	0 °C to 50 °C
Storage Temperature	-20 °C to 60 °C
Relative Humidity	10% to 90% (non-condensing)
IP Protection Rating	IP65 (front panel)
Mounting	Panel mounting
Input Method	Membrane keypad
Series/Product Family	SIMATIC HMI OP 27
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 via MPI or PROFIBUS-DP.
Check MPI/PROFIBUS cable connections and termination resistors. Verify the PLC address settings match the OP 27 configuration. Ensure the PLC is in RUN mode.
Event ID: 10001: Timeout error on the MPI or PROFIBUS-DP bus. The panel did not receive a response from the PLC within the expected time.
Check bus cable integrity and connector pins. Verify baud rate settings are consistent across all devices on the bus. Check for bus termination at both ends.
Event ID: 20000: Project download error. A fault occurred during the transfer of the configuration project from the engineering PC to the OP 27.
Verify the serial or MPI connection between the PC and the OP 27. Ensure the ProTool or WinCC flexible project is compatible with the OP 27 firmware version. Retry the download.
Event ID: 40000: Internal hardware fault detected on the OP 27. A self-diagnostic check has identified a hardware error.
Cycle power to the unit. If the fault persists, the unit may require repair or replacement of the internal electronics.
Event ID: 50000: Memory error. The panel has detected a fault in the internal flash memory or project data is corrupted.
Reload the project from the engineering PC. If the error persists, perform a factory reset and re-download the project. Replace the unit if memory failure is confirmed.
Event ID: 60000: Alarm buffer overflow. The number of pending alarms has exceeded the capacity of the alarm buffer.
Acknowledge and clear existing alarms. Review the alarm configuration in the project to ensure alarm limits are set appropriately and spurious alarms are suppressed.
Event ID: 70000: Recipe data error. A fault occurred when reading or writing recipe data, possibly due to data inconsistency or memory issues.
Check recipe configuration in the engineering project. Re-download the project and verify recipe data integrity. Ensure sufficient memory is available for recipe storage.

Frequently Asked Questions

Which PLCs are compatible with the OP 27 (6AV6341-1BA23-0AY0)?

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

What engineering software is required to configure the OP 27?

The OP 27 is configured using Siemens ProTool or WinCC flexible engineering software. ProTool/Pro CS was the primary tool for this panel generation, and WinCC flexible 2008 also supports it.

What is the supply voltage for the OP 27?

The OP 27 operates on a 24 V DC supply voltage. Ensure the power supply can deliver sufficient current, typically up to 15 W.

What is the IP protection rating of the OP 27?

The front panel of the OP 27 is rated IP65, making it suitable for panel-mounted installations where protection against dust and water jets is required.

Can the OP 27 display graphics and trend curves?

Yes, the OP 27 supports graphical display elements including bar graphs and trend curves, in addition to text-based process values and alarm messages, within the limits of its 320 x 240 monochrome display.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector. Check internal fuse if accessible. Verify the power supply unit is functioning correctly.

Restore correct 24 V DC supply voltage. Replace the internal fuse if blown. If the display backlight has failed, the backlight or display assembly may require replacement.

OP 27 cannot communicate with the PLC

Check MPI or PROFIBUS-DP cable connections at both the OP 27 and PLC ends. Verify bus termination resistors are correctly placed at both ends of the bus. Confirm that the PLC address configured in the OP 27 project matches the actual PLC MPI address.

Reseat all connectors and replace damaged cables. Set correct bus termination. Correct the PLC address in the ProTool or WinCC flexible project and re-download to the panel.

Project download fails or is interrupted

Verify the MPI or serial connection between the engineering PC and the OP 27. Check that the firmware version on the OP 27 is compatible with the project version in ProTool or WinCC flexible.

Use a known-good MPI adapter or PC/PPI cable. Update the OP 27 firmware if a version mismatch exists. Retry the download after ensuring a stable connection.

Membrane keypad keys are unresponsive or intermittent

Inspect the membrane keypad overlay for physical damage, contamination, or delamination. Test individual keys in the OP 27 diagnostics or key test mode if available.

Clean the keypad surface. If keys are physically damaged or the membrane is worn, replace the membrane keypad assembly. This is a common wear item on older OP 27 units.

Alarms are displayed but cannot be acknowledged

Check the alarm configuration in the project to verify that acknowledgment is enabled for the relevant alarm class. Confirm the PLC bit associated with alarm acknowledgment is being correctly processed.

Correct the alarm class configuration in the engineering project and re-download. Verify PLC logic for alarm acknowledgment bits is functioning correctly.

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