2.7.3 Example C
The logger must be turned on with the on/off button. It will enter a standby mode (blue LED blinks)
while it waits for the start time. The logger will start recording at 10:30am and turn off at 2:00pm. The
logger will record constantly at 400Hz and create 51 data files in the 3.5 hours. The micro-resolution is
activated to provide the best timing precision at the 400 Hz sample rate.
3
Data Interpretation
3.1
Data Files
The X16-1D creates a new data file when the system is booted or when the maximum number of data
lines is reached in the previous data file. A system boot condition occurs when the on/off button is
pressed, 5v power is restored to the system via the USB connector, or when the X16-1D is removed
from a computer USB port with the “rebootondisconnect” feature enabled. Data files are placed in a
folder named “GCDC” and are named data-XXX.csv, where XXX is a sequential number starting with
001. The system will create up to 999 files. At the beginning of each file, a header is written
describing the system configuration and the current time when the file was created. Figure 19
represents an example data file.
Gulf Coast Data Concepts
Page 16
X16-1D, Rev B
A short gap in data may occur between sequential files as data is purged from the cache
and a new file is allocated on the microSD card.
Figure 18: Configuration File Example C
; Example X16-1D Config file
; set to 400Hz
samplerate = 400
; activate precision timing
microres
; record constantly
deadband = 0
deadbandtimeout = 0
; set file length
samplesperfile = 100000
; set logger to turn on with clock
starttime = 30 10
stoptime = 00 14
; LEDs on
statusindicators = normal
