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PI Interface for OPC Alarms and Events

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Enable buffering

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  • Last UpdatedOct 27, 2026
  • 1 minute read

  1. In PI ICU, choose Tools > Buffering. The Buffering window opens.

  2. Click Enable buffering with PI Buffer Subsystem.

  3. Start the buffering service. Click PI Buffer Subsystem Service, then click .

  4. Verify that buffering starts successfully. Check the message log for messages that indicate that the buffering application is connected to PI Data Archive.

  5. Verify that buffering is working as intended. Reboot the interface node and confirm that the interface service and the buffering application restart.