Applicable Systems
WinCC
Symptoms
The SCADA system reports a trend recording anomaly. The trend data logging is not functioning correctly.
Possible Causes
- Trend log configuration incorrect
- Trend data archiving service not running
- Trend tag not updating or configured wrong
Troubleshooting Steps
- Step 1: Check the trend log configuration
Configuration is correct - Step 2: Verify the archiving service is running
Service is active - Step 3: Verify the trend tag is updating
Tag updates with new values
How to Reset
To reset: Resolve the trend recording issue, then clear the alarm.
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Source: Siemens WinCC SCADA Manual, Siemens AG
Category: SCADA
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