Section 11. Glossary
Term: data point
A data value which is sent to final-storage memory
(p. 499) as the result of a
data-output processing instruction
(p. 495). Strings of data points output at the
same time make up a record in a data table.
Term: data table
A concept that describes how data are organized in CR800 memory, or in
files that result from collecting data in CR800 memory. The fundamental data
table is created by the CRBasic program as a result of the DataTable()
instruction and resides in binary form in main-memory SRAM. See the table
CR800 Memory Allocation
(p. 407). The data table structure also resides in the
data cache
(p. 494), in discrete data files on the CPU:, USR:, CRD:, and USB:
memory drives, and in binary or ASCII files that result from collecting final-
storage memory with datalogger support software
(p. 494).
Term: data output interval
Alias: output interval
The interval between each write of a record
(p. 511) to a final-storage memory
data table.
Term: data output processing instructions
CRBasic instructions that process data values for eventual output to final-data
memory. Examples of output-processing instructions include Totalize(),
Maximize(), Minimize(), and Average(). Data sources for these
instructions are values or strings in variable memory. The results of
intermediate calculations are stored in data output processing memory
(p. 495)
to await the output trigger. The ultimate destination of data generated by
data output processing instructions is usually final-storage memory, but the
CRBasic program can be written to divert to variable memory by the
CRBasic program for further processing. The transfer of processed
summaries to final-data memory takes place when the Trigger argument in
the DataTable() instruction is set to True.
Term: data output processing memory
SRAM memory automatically allocated for intermediate calculations
performed by CRBasic data output processing instructions. Data output
processing memory cannot be monitored.
Term: dc
See Vdc
(p. 520).
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