Cascade Historian Functions


Table of Contents

HI_Add - adds a single value at a specified time.
HI_BufferIDDestroy - destroys an interpolation buffer.
HI_BufferIDLength - gives the length of an interpolation buffer.
HI_BufferIDRead - reads an interpolation buffer.
HI_Bufsize - sets the history buffer size.
HI_ClipBuffer - clips Y values to fit within a range.
HI_Count - counts the number of histories that match a pattern.
HI_Deadband - sets the history value deadband.
HI_Delete - removes a history from memory only.
HI_Describe - describes a history's current configuration.
HI_Disable - stops data recording.
HI_Earliest - gives the earliest value in a history.
HI_Enable - activates data recording.
HI_ExchangeBuffer - swaps X and Y values.
HI_FileBase - associates the history with a file for data storage.
HI_Flush - writes buffered data to disk.
HI_GapCountBuffer - identifies and counts large gaps in data.
HI_GapFillBuffer - fills in data gaps found by HI_GapCountBuffer.
HI_History - creates a new history.
HI_Interpolate - queries history data for interpolation.
HI_InterpolateData - interpolates a history and returns data.
HI_Latest - gives the latest value in a history.
HI_Length - finds the total number of values in a history.
HI_List - finds the name of available histories.
HI_ScaleBuffer - performs offset and scaling operations.
HI_StatBuffer - generates summary statistics on Y-values.
HI_Register - registers histories with the Cascade DataHub.
HI_Unregister - unregisters histories with the Cascade DataHub.
HI_Version - gets the version number of the Cascade Historian.