
Siemens 6AV6372-2DF07-1AX0 SIMATIC WinCC
€ 1.995,00
The Siemens 6AV6372-2DF07-1AX0 is a WinCC (Windows Control Center) runtime software license belonging to Siemens' SIMATIC HMI software family. WinCC is a supervisory control and data acquisition (SCADA) and human-machine interface (HMI) software platform designed for process visualization and operator control on PC-based systems. This specific part number corresponds to a WinCC runtime package with a defined tag/variable count, intended for use on standard industrial or office-grade PC hardware running a compatible Windows operating system.
The WinCC runtime software provides a comprehensive set of features including process visualization, alarm management, trend display, reporting, and historical data archiving. It supports a wide range of communication interfaces and drivers, enabling connectivity to Siemens S7-300, S7-400, S7-1200, and S7-1500 PLCs via PROFIBUS, PROFINET, and MPI, as well as third-party controllers through OPC DA/UA interfaces. The software includes a scripting environment (VBScript and ANSI-C) for custom automation logic, and supports redundant server configurations for high-availability applications. The tag count licensed under this part number defines the maximum number of process variables that can be connected simultaneously at runtime.
WinCC is widely deployed in process industries such as chemical, pharmaceutical, water and wastewater treatment, food and beverage, and energy management, as well as in discrete manufacturing environments. Its scalability from single-station installations to distributed multi-server architectures makes it suitable for both small machine-level HMI applications and large plant-wide SCADA systems. The software integrates natively with the Siemens TIA Portal engineering framework and the broader SIMATIC automation ecosystem.
Technical Specifications
| Software Type | SCADA / HMI Runtime Software |
|---|---|
| Product Family | SIMATIC WinCC |
| Platform | PC-based (Windows OS) |
| Communication Interfaces | PROFIBUS, PROFINET, MPI, OPC DA, OPC UA |
| PLC Compatibility | SIMATIC S7-300, S7-400, S7-1200, S7-1500 |
| Scripting Support | VBScript, ANSI-C |
| Redundancy Support | Yes (server redundancy configurable) |
| Engineering Tool | SIMATIC WinCC Configuration Studio / TIA Portal |
| Operating System | Windows (compatible versions per Siemens release notes |
| License Type | Runtime license (tag-count based) |
| Certifications | CE, UL |
Common Error Codes & System Events
- Event ID: 1000000
- WinCC runtime startup error — the runtime system failed to initialize correctly, often due to a missing or invalid license.
Verify that a valid WinCC runtime license is installed and matches the configured tag count. Check the Windows Event Log and WinCC diagnostics log for additional detail. - Event ID: 1000008
- Communication channel error — a configured communication driver or channel has failed to establish a connection with the target PLC or device.
Check the physical network connection and PLC availability. Verify channel configuration parameters (IP address, rack/slot, MPI address) in WinCC Explorer. Restart the channel if necessary. - Event ID: 1000020
- Tag logging error — the process data archiving system encountered an error writing to the database.
Check available disk space on the archive drive. Verify SQL Server service is running. Review the WinCC data manager logs for database errors. - Event ID: 1000040
- Alarm logging error — the alarm system failed to log or acknowledge alarms correctly, possibly due to a database or configuration issue.
Check the alarm logging database connection and available disk space. Restart the WinCC alarm logging service and verify alarm class configuration. - Event ID: 1000060
- License tag count exceeded — the number of active process tags at runtime has exceeded the licensed tag count for this software package.
Reduce the number of active tags in the project to within the licensed limit, or upgrade the WinCC runtime license to a higher tag count. - Event ID: 1000080
- OPC server connection failure — WinCC OPC client cannot connect to the configured OPC DA or OPC UA server.
Verify the OPC server is running and accessible on the network. Check DCOM settings for OPC DA connections. Confirm OPC UA endpoint URL and security certificates for OPC UA connections. - Event ID: 1000100
- Redundancy switchover event — the WinCC redundant server pair has performed a switchover from the primary to the standby server.
Investigate the cause of the primary server failure (network, hardware, or software fault). Restore the primary server and re-synchronize the redundant pair via the WinCC Redundancy configuration.
Frequently Asked Questions
What is the tag count supported by the 6AV6372-2DF07-1AX0 license?
The 6AV6372-2DF07-1AX0 corresponds to a WinCC runtime license for 65536 power tags (process variables). This defines the maximum number of simultaneously connected process variables at runtime.
Which PLCs and controllers are compatible with this WinCC runtime?
WinCC supports native communication with Siemens SIMATIC S7-300, S7-400, S7-1200, and S7-1500 PLCs via PROFIBUS, PROFINET, and MPI. Third-party controllers can be integrated via OPC DA or OPC UA interfaces.
Can this WinCC runtime be used within the TIA Portal engineering environment?
WinCC runtime software of this generation can be configured using the standalone WinCC Configuration Studio. Integration with TIA Portal depends on the specific WinCC version; WinCC V7.x operates alongside but separately from TIA Portal, while WinCC Comfort/Advanced panels are configured directly in TIA Portal.
Does this license support server redundancy?
Yes, WinCC supports redundant server configurations where a standby server automatically takes over in the event of a primary server failure, ensuring high availability for critical process visualization applications.
What operating system is required to run this WinCC runtime?
WinCC runtime requires a compatible Windows operating system, typically Windows Server or Windows 10/11 (64-bit), as specified in the Siemens WinCC compatibility list for the installed version. Refer to the Siemens Industry Online Support portal for the exact OS compatibility matrix.
Troubleshooting
WinCC runtime fails to start and displays a license error
Check the installed licenses using the Siemens Automation License Manager (ALM). Verify that a valid WinCC runtime license matching the required tag count is present and not already in use on another system.
Install or transfer the correct WinCC runtime license using the Automation License Manager. Ensure the license dongle (if applicable) is connected, or that the software license is properly activated on the target machine.
No communication between WinCC and the PLC; all tags show error status
Open WinCC Explorer and check the channel diagnostics for the configured communication driver. Verify network connectivity by pinging the PLC IP address. Check that the PLC is in RUN mode and the configured rack/slot or MPI address is correct.
Correct the channel configuration parameters in WinCC Explorer. Restore network connectivity between the WinCC PC and the PLC. Restart the communication channel or the WinCC runtime service after making corrections.
Historical trend data is not being recorded or is missing from archives
Check that the SQL Server instance used by WinCC is running (via Windows Services). Verify available disk space on the archive partition. Review the WinCC tag logging configuration to confirm the relevant tags are assigned to an archive.
Free up disk space if the drive is full. Restart the SQL Server service if it has stopped. Reconfigure tag logging assignments if tags are missing from the archive, and restart the WinCC data manager.
Alarm messages are not appearing in the WinCC alarm control on the operator screen
Verify that the alarm logging server is running within WinCC runtime. Check that alarm classes and message blocks are correctly configured in the WinCC alarm logging editor. Confirm that the operator screen's alarm control object is connected to the correct alarm logging server.
Restart the WinCC alarm logging service. Correct any misconfigured alarm classes or message variable assignments. Recompile and reload the affected operator screens, then restart the runtime.
WinCC runtime performance degrades over time with slow screen updates
Monitor CPU and RAM usage on the WinCC server PC using Windows Task Manager. Check the size of the WinCC archive databases, as oversized archives can degrade SQL Server performance. Review the number of active tags and update cycles configured.
Increase the update cycle times for non-critical tags to reduce communication load. Implement archive segmentation and backup/deletion of old archive data to keep database sizes manageable. Upgrade PC hardware (RAM, SSD storage) if system resources are consistently at capacity.
| Condition | Repair, Used, Refurbished, New in box (sealed) |
|---|
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