4900002277 J22 TDLAS Gas Analyzer
88 SpectraSensors, Inc.
Parameter overview with brief description
Showing Data
Logging
The Extended HistoROM application package enables the Data logging submenu
to display. This contains all the parameters for the measured value history.
Data logging is also available via:
•Web browser→ 40
Function range:
• A total of 1000 measured values can be stored
• 4 logging channels
• Adjustable logging interval for data logging
• Display of the measured value trend for each logging channel in the form of a
chart
A0016357
1: Chart of a measured value trend
• x-axis: depending on the number of channels selected displays 250 to 1000
measured values of a process variable.
• y-axis: displays the approximate measured value span and constantly adapts
this to the ongoing measurement.
If the length of the logging interval or the assignment of the process variables
to the channels is changed, the content of the data logging is deleted.
Parameter Description User Interface
Switch status Shows the current relay switch status. • Open
•Closed
Switch cycles Shows number of all performed switch cycles. Positive integer
Max. switch cycles
number
Shows the maximal number of guaranteed
switch cycles.
Positive integer
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