Siemens 6AV6341-1EC24-0BY0 OP27

€ 1.995,00

SKU: 6AV6341-1EC24-0BY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6341-1EC24-0BY0 is an Operator Panel (OP27) 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, operator control, and status monitoring. It is part of the OP27 series, which is a well-established panel in Siemens' portfolio for machine-level HMI tasks.

The OP27 features a 5.7-inch STN monochrome LCD display with a resolution of 320 x 240 pixels (QVGA), supporting up to 8 shades of gray. It communicates via MPI (Multi-Point Interface) and PROFIBUS-DP, enabling direct integration with SIMATIC S7-200, S7-300, and S7-400 PLCs. The panel includes a membrane keyboard with function keys, numeric keys, and system keys for operator input. Configuration is performed using ProTool software, and the unit supports recipe management, trend displays, alarm logging, and message archiving within its onboard memory.

The OP27 is widely used in machine building, process automation, and manufacturing industries where a compact, robust operator interface is required at the machine level. It is suitable for applications such as packaging machinery, conveyor systems, press controls, and general-purpose machine tools. Its compatibility with the SIMATIC S7 PLC family makes it a standard choice for Siemens-based automation architectures.

Technical Specifications

Display Size	5.7 inch
Display Type	STN monochrome LCD
Display Resolution	320 x 240 pixels (QVGA)
Display Colors	8 shades of gray
Input/Operating 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 Rating (Front)	IP65
IP Rating (Rear)	IP20
Mounting	Panel mounting
Series/Product Family	SIMATIC HMI OP27
Configuration Software	ProTool

Common Error Codes & System Events

Event ID: 10000: Communication error between the OP27 and the connected PLC. The connection to the configured controller cannot be established or has been lost.
Check MPI or PROFIBUS-DP cable connections and termination resistors. Verify the PLC address settings match the OP27 configuration. Ensure the PLC is in RUN mode.
Event ID: 10001: Timeout error on the communication bus. The OP27 did not receive a response from the PLC within the expected time frame.
Check bus cable integrity and connector pins. Verify bus termination at both ends of the network. Reduce bus length or check for electromagnetic interference sources.
Event ID: 20000: Configuration error detected. The project loaded on the OP27 is incompatible with the current firmware version or hardware.
Reload the project using ProTool with a compatible version. Verify firmware version on the OP27 and update if necessary.
Event ID: 40000: Internal memory error. The OP27 has detected a fault in its internal data memory, which may affect recipe or alarm data storage.
Perform a memory reset via the OP27 service menu. Reload the project configuration. If the error persists, the unit may require hardware repair or replacement.
Event ID: 50000: Operating system error. An internal software fault has been detected in the OP27 operating system.
Cycle power to the OP27. If the fault recurs, perform a complete firmware reload using the appropriate Siemens transfer tool.
Event ID: 60000: Display or backlight fault. The OP27 display is not functioning correctly or the backlight has failed.
Check the 24 V DC supply voltage at the power connector. If supply is correct, the backlight or display module may require replacement.
Event ID: 70000: Keyboard or input device fault. One or more keys on the membrane keyboard are not responding or are registering continuous input.
Inspect the membrane keyboard for physical damage or contamination. Clean the keyboard surface. If the fault persists, the membrane keyboard assembly may need replacement.

Frequently Asked Questions

Which PLCs are compatible with the Siemens OP27 (6AV6341-1EC24-0BY0)?

The OP27 is compatible with SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS-DP interfaces. It can also communicate with SIMATIC S5 controllers using appropriate adapters.

What software is used to configure the OP27?

The OP27 is configured using Siemens ProTool software. Projects created in ProTool are transferred to the panel via the MPI interface or a serial PC/PPI cable.

What is the supply voltage for the OP27?

The OP27 requires a 24 V DC power supply. The acceptable voltage range is typically 18 V DC to 30 V DC.

What is the IP protection rating of the OP27 front panel?

The front panel of the OP27 is rated IP65, making it resistant to dust ingress and low-pressure water jets, suitable for panel-mounted industrial environments.

Can the OP27 store recipes and alarm logs?

Yes, the OP27 supports recipe management and alarm logging using its onboard memory. Data can be stored and retrieved during operation without requiring an external memory card for basic functions.

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the power connector on the rear of the unit. Check for blown internal fuses. Observe whether the unit emits any startup sounds or keyboard LED activity.

Ensure the supply voltage is within the 18–30 V DC range. Replace any blown internal fuses. If the backlight is faulty but the unit is otherwise operational, the backlight or inverter board requires replacement.

OP27 fails to communicate with the S7 PLC

Verify the MPI or PROFIBUS-DP address configured in the ProTool project matches the physical address set on the PLC. Check cable connections, termination resistors at both ends of the bus, and cable continuity.

Correct any address mismatches in the ProTool project and retransfer the configuration. Replace damaged cables or connectors. Ensure bus termination resistors are correctly installed at the first and last nodes on the network.

Project transfer from PC to OP27 fails

Check the serial or MPI cable connection between the PC and the OP27. Verify that the OP27 is in transfer mode and that the correct COM port and transfer settings are selected in ProTool.

Place the OP27 in transfer mode via the startup menu. Confirm the correct interface and baud rate settings in ProTool. Try a different cable or PC port if the issue persists.

Membrane keyboard keys are unresponsive or register incorrect input

Inspect the keyboard surface for physical damage, contamination, or deformation. Test individual keys in the OP27 diagnostics or service menu if available.

Clean the keyboard surface with a dry cloth. If specific keys are permanently actuated or non-functional, the membrane keyboard overlay assembly requires replacement.

OP27 displays a communication timeout alarm repeatedly during operation

Monitor the MPI or PROFIBUS-DP bus for intermittent disconnections. Check for loose connectors, damaged cable shielding, or sources of electromagnetic interference near the bus cable.

Secure all bus connectors and verify cable shielding is properly grounded. Reroute the bus cable away from high-voltage or high-current conductors. Replace damaged cable segments.

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