Siemens 6AV6341-1EC14-0BY0 OP 27

€ 1.995,00

SKU: 6AV6341-1EC14-0BY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6341-1EC14-0BY0 is an operator panel belonging to the SIMATIC OP 27 series, part of Siemens' established SIMATIC HMI product line. This unit functions as a graphical operator panel designed for machine-level human-machine interface applications, enabling operators to monitor and control industrial processes. The 6AV6341-1EC14-0BY0 variant is configured for use with Siemens SIMATIC S7 and S5 controller families.

The OP 27 features a monochrome or color STN LCD display with a resolution of 320 x 240 pixels (QVGA), providing clear visualization of process data, alarms, and operator prompts. It supports MPI and PROFIBUS-DP communication interfaces for direct integration with Siemens PLCs, and includes a membrane keypad with function keys for operator input. The panel operates on a 24 V DC supply and is rated to IP65 at the front face, making it suitable for panel-mount installations in industrial enclosures. Configuration is performed using Siemens ProTool software.

The OP 27 is widely deployed in manufacturing, automotive, food and beverage, and process industries where a compact, robust operator interface is required at the machine level. Its compatibility with the SIMATIC S7-300 and S7-400 controller families makes it a standard choice for retrofitting and upgrading existing automation systems. The panel's rugged construction and sealed front face allow installation in environments with dust and splash water exposure.

Technical Specifications

Display Type	STN LCD
Display Resolution	320 x 240 pixels (QVGA)
Display Colors	Monochrome (blue-mode)
Input Voltage	24 V DC
Permissible Voltage Range	19.2 – 28.8 V DC
Power Consumption	Approx. 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 mount
Certifications	CE, UL, cUL
Configuration Software	ProTool

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 to the controller.
Check MPI or PROFIBUS-DP 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 window.
Check bus cable integrity and connector pins. Verify correct bus termination at both ends. Reduce bus length or check for electromagnetic interference sources near the cable.
Event ID: 20000: Project download error. A fault occurred during transfer of the configuration project from the programming device to the OP 27.
Verify the serial or MPI transfer cable is correctly connected. Ensure ProTool is configured with the correct transfer settings and panel type. Restart the panel in transfer mode and retry the download.
Event ID: 40000: Internal memory error. The panel has detected a fault in its internal flash or RAM memory.
Perform a complete panel reset and re-download the project. If the error persists, the internal memory module may be faulty and the unit should be sent for repair or replacement.
Event ID: 50000: Operating system error. The panel firmware has encountered an unrecoverable internal fault.
Power cycle the panel. If the error recurs, reload the panel firmware using the appropriate Siemens service tool. Contact Siemens technical support if the issue persists.
Event ID: 60000: Alarm buffer overflow. The number of pending alarms has exceeded the capacity of the alarm buffer.
Acknowledge and clear existing alarms on the panel. Review the alarm configuration in ProTool to increase the buffer size or implement alarm suppression logic in the PLC program.
Event ID: 70000: Configuration error. The loaded project is incompatible with the panel hardware version or firmware version.
Verify the project was compiled for the correct OP 27 hardware variant. Update the panel firmware if necessary and re-download the project using a compatible version of ProTool.

Frequently Asked Questions

What communication interfaces does the OP 27 (6AV6341-1EC14-0BY0) support?

The OP 27 supports MPI and PROFIBUS-DP interfaces, allowing direct connection to Siemens SIMATIC S7-300, S7-400, and S5 series PLCs without additional communication modules.

What software is required to configure the OP 27?

The OP 27 is configured using Siemens ProTool configuration software. Projects created in ProTool are downloaded to the panel via MPI or a serial transfer cable.

What is the supply voltage for the 6AV6341-1EC14-0BY0?

The panel requires a 24 V DC supply voltage, with a permissible operating range of 19.2 V DC to 28.8 V DC.

Is the OP 27 compatible with SIMATIC S7-1200 or S7-1500 controllers?

The OP 27 is designed for use with SIMATIC S7-300, S7-400, and S5 controllers. Compatibility with S7-1200 or S7-1500 is not supported natively, as those controllers use TIA Portal-based HMI panels.

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

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

Troubleshooting

Display remains blank after power on

Measure the 24 V DC supply voltage at the panel's power connector. Check that the voltage is within the 19.2–28.8 V DC permissible range. Inspect the internal fuse if accessible.

Correct the supply voltage if out of range. Replace a blown internal fuse with the correct rating. If the display backlight has failed, the panel will require repair or backlight replacement.

Panel shows 'Connecting…' and cannot establish communication with the PLC

Verify the MPI or PROFIBUS-DP cable is correctly seated at both the panel and PLC connectors. Check that bus termination resistors are enabled at both ends of the bus. Confirm the PLC station address in the OP 27 project matches the actual PLC address.

Replace or reseat the communication cable. Enable termination resistors on the first and last devices on the bus. Correct the PLC address in the ProTool project and re-download to the panel.

Project download fails or transfer does not start

Confirm the panel is in transfer mode (accessible via the panel's start menu or by holding the appropriate key combination during boot). Check the transfer cable connection and verify ProTool transfer settings match the panel interface.

Restart the panel and manually select transfer mode. Use the correct MPI or serial transfer cable for the panel variant. Ensure the ProTool project is compiled for the correct OP 27 hardware version before transferring.

Touchscreen or keypad inputs are not responding correctly

Check for physical damage to the membrane keypad. Verify that the panel is not in a locked or password-protected state. Review the project configuration to confirm function key assignments are correct.

If the membrane keypad is damaged, it should be replaced. Unlock the panel using the correct password. Re-download the project if key assignments appear incorrect due to a corrupted configuration.

Panel repeatedly restarts or crashes during operation

Check the supply voltage for instability or voltage dips under load. Inspect the panel for signs of overheating. Review the alarm and event logs for recurring system event codes.

Stabilize the 24 V DC supply using a regulated power supply with adequate current capacity. Ensure adequate ventilation around the panel. If internal hardware faults are detected, the unit should be inspected and repaired by a qualified technician.

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