Short Term History - GE Hydran 201 i Instruction Manual

• Press ENTER to read a message describing the event that occurred at the selected date
and time.
• Press ENTER and UP or DOWN to read the value of the variables at the time of this
event.
The following ten variables are recorded in the historic data files Events (this list is identical
for the Short Term and Long Term files):
• GasLevel
• HourlyTrend
• HourlyTr Period (period of the hourly trend)
• DailyTrend
• DailyTr Period (period of the daily trend)
• SensorTemp (temperature of the H201 sensor)
• Extended Menu only:
– HeaterTemp (temperature of the heating plate)
– HeatPower
– ServiceU (value of the ServiceU variable)
– ServiceV (value of the ServiceV variable)
4.5.1.2

Short Term History

At a certain logging rate (adjustable; see Section 4.5.1.5 on page 4-15), the date and time
plus ten variables are stored in the historic data file Short Term. Its capacity is
480 recordings; when the file is full and a new recording occurs, the oldest recording is
deleted (first in, first out method).
Navigation is performed as follows:
• From History;ShortTerm, press ENTER to read the date and time of the last event
recorded in the historic data file Short Term.
• Press UP or DOWN to read the date and time of previous or next recordings.
• Press ENTER and UP or DOWN to read the value of the variables at the selected date
and time.
The ten variables recorded in the historic data file Short Term are the same as the ones
recorded in the Events file (see Section 4.5.1.1 on page 4-12).
Part 17997 Rev. 6, March 2011
Main and Extended Menus
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