Open the Long Term Compressor History window

Follow this procedure and open this window to view long term data stored in the Historical service.

Long-term data is sampled hourly and maintained for approximately six months to one year.

To open the Long Term Compressor History window

• Do one of the following:

  • On the Compressor Action Menu, click Long Term History.

  • On the Compressor Plot window, select Long Term History.

  • On the Compressor Plot action menu, select Long-Term Historical Data.

  • On the Current Data Summary window, select Long Term History.

  • On the Short Term Compressor History window, select Long Term History.

    The Long Term Compressor History window opens.

    

    Item	Description
    Start Time/End Time	Refer to Change the Historical time interval.
    Current Data	Select to open the Current Data Summary window. Refer to Open the Current Data Summary window.
    Short Term History	Select to open the Short Term Compressor History window. Refer to Open the Short Term Compressor History window.
    Time Stamp	The timestamp for the record.
    Flow	The flow rate.
    Pressure	The head pressure.
    Suc Pres	The suction pressure.
    Suc Temp	The suction temperature.
    Dis Pres	The discharge pressure.
    Dis Temp	The discharge temperature.
    Speed	The compressor speed.
    Flow Status	The current flow conditions status, as determined from the flow conditions.
    Quality	The data quality of the operating point. Possible data quality values are as follows: Alarm (A) Offscan (O) Manual (M) Unknown (X) Normal (SPACE)