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Built Status PyPI-Server Project generated with PyScaffold

data-agent-osisoft-pi

Data Agent plugin for accessing Osisoft PI Historian.

CLI Examples

Example of using Data Agent CLI to access PI tags

dagent exec create_connection --conn_name=pi --conn_type=osisoft-pi --enabled=True --server_name=DATA-SERVER
dagent exec list_connections
dagent exec connection_info --conn_name=pi
dagent exec list_tags --conn_name=pi
dagent exec read_tag_values_period --conn_name=pi --tags="['sinusoid', 'sinusoidu']" --first_timestamp=*-100h --last_timestamp=*
dagent exec copy_period --src_conn=pi --tags="['SINUSOID', 'sinusoidu']" --dest_conn=csv --dest_group='sinus.csv' --first_timestamp=*-100h --last_timestamp=*

Troubleshooting

OSIsoft.AF.PI.PITimeoutException when reading historical data

Increase the SDK data access timeout settings on the client machine. There are two timeouts for the SDK, a connection timeout and a data access timeout. The connection timeout default is 10 seconds. The data access timeout is 60 seconds. Data access timeouts are the most likely cause of the error.

  • Launch AboutPI-SDK.exe.
  • Navigate to the Connections tab.
  • Select the PI Data Archive in question.
  • Increase the Data Access Timeout and Connection Timeout to 120 seconds or more.