
Siemens 6AV6371-2BR08-0AX0 SIMATIC WinCC
€ 1.995,00
The Siemens 6AV6371-2BR08-0AX0 is a WinCC Runtime software license belonging to Siemens' SIMATIC WinCC product family, a professional SCADA and HMI visualization platform. This part number corresponds to a WinCC Runtime license for 128 power tags, enabling process visualization and monitoring on standard PC-based hardware running Microsoft Windows. It is part of the broader SIMATIC WinCC V7 software suite developed by Siemens for industrial process control and supervisory applications.
WinCC Runtime with 128 power tags provides a scalable visualization environment supporting OPC DA/UA communication, enabling integration with SIMATIC S7 PLCs via PROFIBUS, PROFINET, and MPI interfaces through the SIMATIC NET communication layer. The software includes a process historian for archiving tag values and alarms, a reporting system, and a graphics designer for building operator screens. It supports redundant server configurations, multi-client architectures, and offers a comprehensive alarm and event management system compliant with ISA-18.2 standards. The runtime environment is designed for deterministic data acquisition with configurable cycle times down to 500 ms.
This WinCC Runtime license is widely deployed in manufacturing, process industries, water and wastewater treatment, energy management, and building automation applications where centralized supervisory control and data acquisition are required. The 128 power tag variant is suited to small-to-medium installations such as individual production cells, standalone machines, or distributed monitoring stations within a larger SCADA network. Its compatibility with the broader SIMATIC ecosystem, including S7-300, S7-400, S7-1200, and S7-1500 controller families, makes it a common choice for Siemens-centric automation environments.
Technical Specifications
| Software Type | SCADA / HMI Runtime License |
|---|---|
| Product Family | SIMATIC WinCC V7 |
| Power Tags (Runtime) | 128 |
| Communication Interfaces | OPC DA, OPC UA, PROFIBUS, PROFINET, MPI (via SIMATIC NET) |
| Compatible Controllers | SIMATIC S7-300, S7-400, S7-1200, S7-1500 |
| Operating System | Microsoft Windows (64-bit) |
| Archiving | Process historian with tag and alarm archiving |
| Alarm Management | Alarm logging and event management system |
| Redundancy Support | Server redundancy supported |
| Client-Server Architecture | Multi-client configuration supported |
| Minimum Data Acquisition Cycle | 500 ms |
| Certifications | CE |
| License Type | Single-user runtime license |
Common Error Codes & System Events
- Event ID: 1000000
- WinCC Runtime startup failure. The runtime could not be activated due to a missing or invalid license.
Verify that the WinCC license (6AV6371-2BR08-0AX0) is correctly installed using the Siemens Automation License Manager (ALM). Ensure the license matches the configured number of power tags. - Event ID: 1000008
- Connection to the communication driver failed. The channel to the PLC or OPC server could not be established.
Check the network connection and SIMATIC NET configuration. Verify the PLC IP address, MPI/PROFIBUS settings, and that the correct communication driver is installed and running. - Event ID: 1001000
- Tag logging error. WinCC was unable to write process values to the archive database.
Check the SQL Server instance used by WinCC for available disk space and service status. Restart the WinCC Tag Logging service if necessary. - Event ID: 1002000
- Alarm logging failure. Alarm events could not be stored in the alarm archive.
Verify the WinCC Alarm Logging service is running. Check the database connection and available disk space on the server hosting the WinCC project. - Event ID: 1003000
- OPC server connection lost. The WinCC OPC DA or OPC UA server is not responding.
Restart the WinCC OPC server service. Check firewall settings and DCOM configuration if using remote OPC DA connections. - Event ID: 1004000
- License count exceeded. The number of active power tags in the project exceeds the licensed limit of 128.
Reduce the number of active power tags in the WinCC project to 128 or fewer, or upgrade to a higher power tag license tier using the Siemens Automation License Manager. - Event ID: 1005000
- WinCC project database connection error. The runtime cannot connect to the underlying Microsoft SQL Server database.
Verify that the SQL Server instance (typically WINCC) is running via Windows Services. Check SQL Server error logs and ensure the WinCC service account has sufficient database permissions. - Event ID: 1006000
- Redundancy switchover event. The active WinCC server has failed and the standby server has taken over.
Investigate the cause of the primary server failure. Check system event logs, hardware health, and network connectivity. Restore the primary server and re-synchronize the redundant pair.
Frequently Asked Questions
What is the power tag limit for the 6AV6371-2BR08-0AX0 license?
This license supports up to 128 power tags in the WinCC Runtime environment. Power tags represent the number of process variables actively communicated between WinCC and connected controllers or OPC servers.
Which version of WinCC does this license apply to?
The 6AV6371-2BR08-0AX0 part number belongs to the SIMATIC WinCC V7 product family. It is recommended to verify compatibility with the specific V7 minor version (e.g., V7.4, V7.5) required for your project.
Is this license compatible with SIMATIC S7-1500 PLCs?
Yes, WinCC V7 Runtime supports communication with SIMATIC S7-1500 controllers via PROFINET using the SIMATIC NET communication drivers or OPC UA.
Can this WinCC Runtime license be used in a redundant server configuration?
Yes, WinCC V7 supports server redundancy. However, each server in a redundant pair requires its own Runtime license, so two licenses of 6AV6371-2BR08-0AX0 would be needed for a redundant setup.
How is this license managed and transferred?
The license is managed using the Siemens Automation License Manager (ALM) software. It can be transferred between hardware dongles or PC installations using the ALM tool, subject to Siemens licensing terms.
Troubleshooting
WinCC Runtime fails to start and displays a license error
Open the Siemens Automation License Manager (ALM) and check whether the WinCC Runtime license is present, valid, and not expired. Verify the license matches the 128 power tag tier.
If the license is missing, reinstall it from the original license media or transfer it from the dongle using ALM. If the license is on a USB dongle, ensure the dongle is connected before starting Runtime.
Process tags show no values or display connection errors in Runtime
Check the WinCC Channel Diagnostics tool to identify which communication channels are reporting errors. Verify PLC reachability via ping and confirm SIMATIC NET configuration matches the physical network setup.
Correct the channel configuration in WinCC Explorer, update the PLC IP address or MPI/PROFIBUS parameters, and restart the affected communication driver. Ensure SIMATIC NET is properly installed and licensed.
Alarm and event archive grows excessively large, causing disk space warnings
Check the WinCC Alarm Logging configuration for archive segmentation settings and retention periods. Review the SQL Server database size for the WinCC project.
Adjust the alarm archive segmentation and backup settings in WinCC Alarm Logging to limit retention to an appropriate period. Archive old segments to external storage and delete them from the active database.
WinCC client cannot connect to the WinCC server in a multi-client setup
Verify network connectivity between client and server PCs. Check that the WinCC project is activated on the server and that the correct server name is configured in the client project. Review Windows Firewall rules for WinCC ports.
Ensure the WinCC server project is running and that the client is configured with the correct server computer name. Open required ports in Windows Firewall (typically TCP 135, 445, and WinCC-specific ports) and verify DCOM settings if using older WinCC versions.
Historical trend data is missing or incomplete in WinCC screens
Check the WinCC Tag Logging service status and review the tag archive configuration to confirm the relevant tags are assigned to an archive and the logging cycle is correctly set.
Restart the WinCC Tag Logging service if it has stopped. Verify that the tags intended for archiving are correctly assigned to a tag archive in the WinCC Tag Logging editor, and that the SQL Server instance has sufficient disk space and is running.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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