Siemens 6AV5020-1AC11-1AA0 SIMATIC OP 020

Name: Siemens 6AV5020-1AC11-1AA0 SIMATIC OP 020
Brand: Siemens
SKU: 6AV5020-1AC11-1AA0
Price: 1137.00 EUR
Availability: InStock

€ 1.137,00

Condition

Clear

SKU: 6AV5020-1AC11-1AA0 Category: HMI & Display Brand: Siemens

Description
Additional information

The Siemens 6AV5020-1AC11-1AA0 is an operator panel belonging to the SIMATIC OP 020 series, designed for human-machine interface applications within Siemens' SIMATIC automation environment. This compact operator panel provides a text-based display interface for machine monitoring and control tasks. It is part of Siemens' classic HMI panel lineup, intended for straightforward operator interaction in industrial control systems.

The OP 020 features a multi-line text display capable of showing process values, alarm messages, and operator prompts. It communicates with SIMATIC S5 and S7 PLCs via the MPI or PROFIBUS interface, enabling direct integration into existing Siemens automation networks. The panel supports configurable function keys for direct operator input, and configuration is performed using Siemens ProTool software. The unit is designed for panel-mount installation with a robust front face rated for industrial environments.

The SIMATIC OP 020 is typically deployed in manufacturing, packaging, and process automation applications where a cost-effective, text-based operator interface is sufficient. It is well suited for machine-level control panels in industries such as food and beverage, automotive assembly, and general factory automation. Its compatibility with the SIMATIC S7 controller family makes it a practical choice for retrofit and upgrade projects on existing Siemens-based control systems.

Technical Specifications

Display Type	Text LCD
Display Lines	4 lines
Characters per Line	20 characters
Input/Operating Voltage	24 V DC
Communication Interface	MPI / PROFIBUS DP
Configuration Software	ProTool
Operating Temperature	0 °C to +50 °C
Storage Temperature	-20 °C to +60 °C
IP Protection Rating (Front)	IP65
Mounting	Panel mounting
Certifications	CE, UL
Series/Product Family	SIMATIC OP 020

Common Error Codes and System Events

Event ID: 10000: Communication error between the OP panel and the connected PLC. The panel cannot establish or maintain a connection to the configured controller.
Check MPI/PROFIBUS cable connections and termination resistors. Verify the PLC address settings match the configuration in ProTool. Ensure the PLC is powered and in RUN mode.
Event ID: 10001: Configured PLC address not found on the network. The panel is unable to locate the target controller at the specified network address.
Verify the MPI or PROFIBUS station address configured in ProTool matches the actual PLC address. Check network cabling and bus termination.
Event ID: 20000: Project download error. A fault occurred during transfer of the configuration project from the programming device to the OP panel.
Check the transfer cable connection between the PC and the OP panel. Ensure ProTool version is compatible with the panel firmware. Retry the download.
Event ID: 40000: Internal memory error detected. The panel has identified a fault in its internal configuration or program memory.
Perform a panel reset and re-download the project. If the error persists, the internal memory may be corrupted and the unit may require repair or replacement.
Event ID: 50000: Operating system or firmware error. The panel firmware has encountered an unrecoverable internal fault.
Cycle power to the panel. If the fault recurs, reload the panel firmware using ProTool and re-download the project configuration.
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 ensure alarm limits are set appropriately to prevent excessive alarm generation.

Frequently Asked Questions

Which PLCs are compatible with the SIMATIC OP 020?

The OP 020 is compatible with Siemens SIMATIC S7-300, S7-400, and S5 series PLCs via MPI or PROFIBUS DP communication interfaces.

What software is used to configure the OP 020?

The OP 020 is configured using Siemens ProTool software. Projects are created on a PC and downloaded to the panel via a serial transfer cable.

What is the supply voltage for the 6AV5020-1AC11-1AA0?

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

What is the IP protection rating of the OP 020?

The front face of the OP 020 is rated IP65, making it suitable for panel-mount installations in environments where dust and water spray may be present.

Can the OP 020 display alarm messages?

Yes, the OP 020 supports alarm and event message display. Alarms are configured in ProTool and displayed on the text screen, with operator acknowledgement supported via the function keys.

Troubleshooting

Display remains blank after power on

Check the 24 V DC supply voltage at the panel power connector using a multimeter. Verify polarity is correct and voltage is within the specified range.

Restore correct 24 V DC supply. If voltage is present and display remains blank, the internal power supply or display module may be faulty and the unit should be sent for repair.

Panel shows communication error and cannot connect to PLC

Verify MPI or PROFIBUS cable is securely connected at both the panel and PLC ends. Check that bus termination resistors are correctly installed at both ends of the network segment.

Replace or reseat the communication cable. Correct the bus termination. Confirm that the PLC station address in the ProTool project matches the actual PLC configuration and re-download if necessary.

Project download fails from ProTool to the panel

Check the serial transfer cable connection between the PC and the OP 020 transfer port. Confirm the correct COM port is selected in ProTool and that no other application is using the port.

Replace the transfer cable if damaged. Select the correct COM port in ProTool settings. Ensure the panel is set to transfer mode before initiating the download.

Function keys do not respond to operator input

Check the ProTool project configuration to confirm function keys are assigned to the correct actions. Inspect the key membrane for physical damage or contamination.

Re-download the project with correct function key assignments. If keys are physically damaged, the operator panel front membrane may need to be replaced.

Panel repeatedly restarts or resets unexpectedly

Monitor the 24 V DC supply for voltage drops or instability using an oscilloscope or data logger. Check for loose connections at the power connector.

Stabilize the power supply by ensuring adequate current capacity and secure wiring connections. If the supply is stable and resets continue, the panel may have an internal hardware fault requiring repair.

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