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3.3.5 Data Session Settings
The Data Session Settings screen is accessible from the settings button on the
home screen toolbar. This screen is where you configure all the settings that
control how data is logged.
Standalone Operation
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1. Sample Rate
The sample rate setting determines how often the data logger takes
a reading on each of its inputs and updates its display. The sample
rates available will vary depending on the number and type of sensors
configured.
2. Logging Rate
The logging rate determines how often sampled data is saved to the log file.
Allowable selections are always less than or equal to the sampling rate.
3. Logging Mode
The logging mode determines what data is saved to the log file at each
logging interval. If set to Interval, the most recent data sample is saved in
the log file. If set to Average, all of the data samples taken over the logging
interval are averaged and the average value is saved to the log file.
4. External 24V Excitation
This selection turns on the built in 24 Vdc excitation. This excitation voltage
is available at the alarm/excitation terminal block on pins 7 & 8. This
voltage can power one external transmitter.
5. File Type
Data session logs can be saved as either CSV or text files.
6. File Location
The file location setting determines which memory location log files are
saved to. In addition, any screenshots will be saved in the same location.
7. File Naming
This setting determines if the system generates log file names automatically
or the user enters a name. Auto generated file names have the OM-DAQXL_
(MM_DD_YYYY HH_MM_SS_AM/PM). The manual file naming option
allows the user to enter a prefix for all log files which will be followed by the
same date and time stamp as the automatic setting.
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Figure 3-31 Data Session Screen
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