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APIcom Instruction Manual iDAS Configuration and Data Access
Figure 4-10: Downloaded iDAS Data
Note the number of records that were downloaded from the Concentration and Pneumatic channels
(32), and from the SlopeOffset channel (1).
APIcom remembers the downloaded iDAS data as long as it is connected to the instrument or until the
configuration is downloaded again. When the instrument is disconnected, the data are discarded to
conserve memory.
4.7.1. iDAS Record Sets
APIcom implements the notion of a record set. Each time iDAS data are downloaded from an
instrument, APIcom increments the record set number. Only parameters downloaded as part of the
same record set may be combined in group operations, such as graphing, saving to a file, or viewing.
Records downloaded from different channels are implicitly in different record sets. In the example above
three record sets are created: 18, 19, and 20. Records from different record sets cannot be mixed
because they may contain a different number of records or have different time stamps or intervals.
4.8. Graphing iDAS Data
After downloading data, they can be graphed in a window by selecting one or more parameters in the
Parameters list that are in the same record set and clicking . All parameters will be plotted on
the same graph.
The Graph Window can be resized by dragging the window border with the mouse. APIcom remembers
the position and size of the last closed graph window. Up to three graph windows can be opened at any
time. When graphing data that are significantly different in magnitude, each parameter should be
graphed in a separate window as shown in the following figure.
05499 Rev. A 4-12