Siemens 6AV6341-1EC04-0AY0 OP 27

€ 1.995,00

SKU: 6AV6341-1EC04-0AY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6341-1EC04-0AY0 is an Operator Panel (OP 27) belonging to the SIMATIC HMI family, designed for machine-level operator control and monitoring tasks. This unit provides a compact, robust interface for visualizing process data and issuing operator commands in industrial automation environments. It is part of the SIMATIC OP series, which is widely used in conjunction with Siemens SIMATIC S7 and S5 PLCs.

The OP 27 features a 5.7-inch STN monochrome or blue-mode LCD display with a resolution of 240 x 128 pixels, capable of displaying text and graphics. It is equipped with a membrane keypad for operator input, including function keys and system keys. Communication is supported via MPI (Multi-Point Interface) and PROFIBUS-DP interfaces, enabling direct connection to SIMATIC S7-200, S7-300, and S7-400 controllers. The unit operates on a 24 V DC supply and is rated IP65 on the front panel, providing protection against dust and water jets.

The OP 27 is commonly deployed in machine tool control, packaging machinery, conveyor systems, and process automation applications. Its compact form factor and membrane keypad make it suitable for environments where touchscreen operation is not required and where robust, reliable operator interaction is essential. The panel is particularly prevalent in retrofit and upgrade projects for existing SIMATIC-based installations across manufacturing and process industries.

Technical Specifications

Display Size	5.7 inch
Display Type	STN LCD (monochrome/blue-mode)
Display Resolution	240 x 128 pixels
Input Type	Membrane keypad
Function Keys	20 function keys (F1–F20)
Input/Operating Voltage	24 V DC
Power Consumption	Approx. 8 W
Communication Interface	MPI, PROFIBUS-DP (RS-485)
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 27

Common Error Codes & System Events

Event ID: 10000: Configuration error – the project loaded onto the device is incompatible or corrupt.
Re-transfer a valid, compatible project using ProTool configuration software. Verify the project version matches the firmware version on the OP 27.
Event ID: 20000: Communication error – the OP 27 cannot establish a connection to the configured PLC.
Check MPI or PROFIBUS-DP cable connections and termination resistors. Verify the PLC address and baud rate settings match the OP 27 configuration.
Event ID: 40000: System memory overflow – the internal memory is insufficient for the current project or runtime data.
Reduce the size of the project (number of screens, variables, or alarms) and re-transfer. Check for excessive alarm logging consuming memory.
Event ID: 50000: Printer error – a print job could not be completed.
Check the printer connection and ensure the correct printer driver is configured in the project. Verify the printer is online and has paper.
Event ID: 60000: Tag read/write error – a process variable could not be read from or written to the PLC.
Verify the PLC data block and address referenced in the project exist and are accessible. Check PLC program for correct data area definitions.
Event ID: 70000: Firmware update error – firmware transfer to the device was interrupted or failed.
Repeat the firmware update procedure using the correct firmware version for the OP 27. Ensure a stable serial or MPI connection during transfer.
Event ID: 80000: Recipe data error – recipe records could not be read or written correctly.
Check recipe configuration in the ProTool project. Verify that the PLC data areas assigned to recipe variables are correctly defined and accessible.

Frequently Asked Questions

Which PLCs are compatible with the OP 27 (6AV6341-1EC04-0AY0)?

The OP 27 is compatible with SIMATIC S7-200, S7-300, and S7-400 PLCs via MPI or PROFIBUS-DP interfaces. It also supports connection to S5 PLCs via 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 then transferred to the panel via MPI, PROFIBUS-DP, or a serial connection.

What is the supply voltage for the 6AV6341-1EC04-0AY0?

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

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

The front panel of the OP 27 is rated IP65, providing protection against dust ingress and water jets. The rear of the unit is rated IP20.

Can the OP 27 display graphics as well as text?

Yes, the OP 27 supports both text and graphical display on its 5.7-inch STN LCD with a resolution of 240 x 128 pixels, allowing the creation of simple process graphics and trend displays.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the power connector. Verify the internal fuse and inspect the power supply cable for damage.

Restore the correct 24 V DC supply. 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

Verify the MPI or PROFIBUS-DP cable is correctly connected and that bus termination resistors are in place at both ends of the bus. Check that the PLC address and baud rate configured in the OP 27 project match the PLC settings.

Correct any wiring faults and ensure proper bus termination. Adjust the MPI/PROFIBUS address and baud rate in the ProTool project to match the PLC configuration, then re-transfer the project.

Membrane keypad keys are unresponsive or intermittent

Inspect the membrane keypad for physical damage, contamination, or delamination. Check the internal ribbon cable connection between the keypad and the main board.

Clean the keypad surface if contaminated. If the ribbon cable is loose or damaged, reseat or replace it. If the keypad membrane itself is faulty, replace the keypad assembly.

Project transfer from PC to OP 27 fails

Check the serial or MPI cable connection between the PC and the OP 27. Verify that the correct COM port and transfer settings are selected in ProTool. Ensure the OP 27 is in transfer mode.

Use a known-good transfer cable. Set the OP 27 to transfer mode via the system menu. Confirm the ProTool project settings match the panel type and firmware version before retrying the transfer.

Alarm messages are not displayed or are displayed incorrectly

Verify that the alarm tags in the ProTool project are correctly mapped to the PLC data addresses. Check PLC program to confirm alarm bits are being set as expected.

Correct any incorrect tag address assignments in the ProTool project and re-transfer. Ensure the PLC program logic correctly sets and resets the alarm bits associated with each configured alarm message.

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