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Registers, Data Formats, & Queries Appendix C
C-8 ChartScan User’s Manual
Scan Interval
Scan Interval formats have the following ASCII format:
hh:mm:ss.t
An example:
01:02:03.5
= Scan interval of 1 hour, 2 minutes and 3.5 seconds
Binary Data Format
Only High/Low/Last (HLL) register and acquisition output data, may be in binary format. Binary formatted data
can be output in either highbyte/lowbyte or lowbyte/highbyte format.
Time/Date Stamp
If binary format is selected, the High/Low/Last register values will also include time/date stamps. When
outputting the High/Low/Last registers for either highbyte/lowbyte or lowbyte/highbyte, the time/date stamp will
have the following format:
hmstMDY
where each letter is a byte represented as follows:
h
hours
M
months
m
minutes
D
days
s
seconds
Y
years
t
tenths
A typical High/Low/Last will have the following binary format (each letter is a byte of data):
HHhmstMDYLLhmstMDYll
where: HH is high, LL is low, and ll is last
Counts Data Format
The Counts data format is a format that is characterized by an ASCII integer number from -32676 to +32676
that represents a compensated or raw value as it would be interpreted from the A/D converter. This value would
be dependent upon the channel type that has been specified for the channel in question.
Note: The Counts format closely follows the channel type that has been specified.
Example 1.
If channel 16 was type 1: (Type J TC with cold junction compensation and linearization) then the
Counts format output value for this channel would also be cold junction compensated and linearized.
Example 2:
If channel 16 was type 31: (Raw A/D data), then the Counts format output value for channel 16 would
also be raw.
Both temperature and volts readings will be represented by a bipolar 16-bit value of the form: +
xxxxx.
Time/Date stamp format is
hmstMDY, which is
the same as that specified for the binary data format.
The Counts format is both a valid input (C and L command) format and a valid output format (R, R#, U4, U5,
U8, U13, C? and L? command queries).