Siemens 6AV6321-1GC24-0MY0 SIMATIC OP 24

Name: Siemens 6AV6321-1GC24-0MY0 SIMATIC OP 24
Brand: Siemens
SKU: 6AV6321-1GC24-0MY0
Price: 2495.00 EUR
Availability: InStock

€ 2.495,00

Condition

Clear

SKU: 6AV6321-1GC24-0MY0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV6321-1GC24-0MY0 is an Operator Panel (OP) belonging to the SIMATIC HMI family, designed for machine-level operator control and monitoring in industrial automation environments. This unit provides a compact, robust interface for process visualization and operator interaction, integrating directly with Siemens SIMATIC PLCs and other compatible controllers. The OP 24 series is part of Siemens' established line of text-based and graphical operator panels intended for straightforward human-machine interface tasks.

The panel features a character-based or graphical display with a defined number of function keys and membrane keypad for reliable input in harsh industrial conditions. It supports communication via MPI (Multi-Point Interface) and/or PROFIBUS DP, enabling direct integration with SIMATIC S7-300 and S7-400 controller families. The device operates on a 24 V DC supply and is designed to meet industrial EMC and environmental standards, with a front panel protection rating suitable for panel mounting in control cabinets.

The 6AV6321-1GC24-0MY0 is typically deployed in manufacturing, process automation, and machine tool applications where operators require a dedicated local interface for status monitoring, parameter entry, and alarm acknowledgment. Its compact form factor and keypad-based operation make it well-suited for environments where touchscreen panels are impractical due to glove use or contamination. Industries such as automotive, food and beverage, packaging, and general factory automation commonly utilize this type of operator panel.

Technical Specifications

Series/Product Family	SIMATIC HMI OP
Input Voltage	24 V DC
Communication Interface	MPI, PROFIBUS DP
Protection Rating (Front)	IP65
Protection Rating (Rear)	IP20
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
Relative Humidity	10 % to 90 % (non-condensing)
Mounting	Panel mounting
Certifications	CE, UL
Compatible Controllers	SIMATIC S7-300, S7-400, S5

Common Error Codes & System Events

Event ID: 10000: Connection to the configured PLC could not be established or has been lost.
Check MPI or PROFIBUS DP cable connections and termination resistors. Verify PLC address settings match the OP configuration in STEP 7 or ProTool.
Event ID: 10001: Communication timeout with the connected controller.
Verify the MPI/PROFIBUS network is correctly terminated and that the PLC is in RUN mode. Check baud rate settings on both the OP and the PLC.
Event ID: 20000: Configuration data on the panel is invalid or corrupted.
Re-download the project configuration from the engineering PC using ProTool or SIMATIC WinCC flexible. Ensure the correct project version is used.
Event ID: 20001: Insufficient memory for the loaded project configuration.
Reduce the project size by removing unused screens or variables, then re-download the project to the panel.
Event ID: 40000: Operating system or firmware error detected on the panel.
Perform a panel reset and re-download the firmware using the appropriate Siemens tool. If the fault persists, the panel may require service or replacement.
Event ID: 50000: Alarm buffer overflow — too many alarms generated in a short period.
Acknowledge and clear pending alarms. Review the alarm configuration in the project to reduce unnecessary alarm triggers.
Event ID: 60000: Tag or variable limit exceeded — a process variable has exceeded its configured high or low limit.
Check the process value and the configured limits in the project. Correct the process condition or adjust the limit values if they are incorrectly configured.

Frequently Asked Questions

Which engineering software is used to configure the 6AV6321-1GC24-0MY0?

This panel is configured using Siemens ProTool or SIMATIC WinCC flexible, depending on the software version available. The project is then downloaded to the panel via MPI or a serial PC/PG connection.

What communication interfaces does this operator panel support?

The panel supports MPI (Multi-Point Interface) and PROFIBUS DP, allowing direct connection to SIMATIC S7-300 and S7-400 PLCs as well as compatible S5 controllers.

What is the supply voltage for the 6AV6321-1GC24-0MY0?

The panel operates on a 24 V DC supply voltage, which is standard for SIMATIC HMI operator panels.

What is the front panel protection rating?

The front panel carries an IP65 protection rating, making it suitable for panel-mount installations where dust and water spray may be present.

Can this panel be used as a replacement for older SIMATIC OP panels?

Yes, the OP 24 series is designed to be compatible with existing SIMATIC installations and can serve as a replacement for earlier generation operator panels, provided the project is reconfigured for the new hardware in the engineering software.

Troubleshooting

Display remains blank after power is applied

Measure the 24 V DC supply voltage at the panel's power connector. Check for blown fuses or wiring faults in the control cabinet.

Restore the correct 24 V DC supply. If the supply is present but the display remains off, the internal power supply or display unit may be faulty and the panel should be sent for repair or replacement.

Panel shows 'No connection to PLC' or communication error on startup

Verify MPI or PROFIBUS DP cable integrity and check that termination resistors are correctly placed at both ends of the network. Confirm the PLC node address and baud rate match the OP configuration.

Correct any wiring faults, set matching addresses and baud rates on both devices, and re-download the project configuration if necessary.

Panel does not accept key inputs or keys are unresponsive

Check for physical damage to the membrane keypad. Attempt a panel restart to rule out a software lockup.

If a restart does not resolve the issue, the membrane keypad assembly may be worn or damaged and should be replaced. Contact a qualified service technician for keypad replacement.

Project download fails from engineering PC

Check the PC-to-panel communication cable (MPI adapter or serial cable) and verify the correct COM port and transfer settings in ProTool or WinCC flexible.

Replace or reseat the communication cable, select the correct interface in the engineering software, and retry the download. Ensure the panel is set to transfer mode before initiating the download.

Alarm messages are displayed in incorrect language or with garbled text

Check the language settings in the downloaded project and verify that the correct character set is configured for the panel.

Correct the language and character set configuration in the engineering project and re-download to the panel.

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