Data Logging
The data log is activated from the Main Menu by select-
ing the Data Log function. A filename to be used and the
log sample period must be entered. For example:
Log Data to Filename: <filename.ext>
Enter Sample Period (10 sec or greater):<xx>
Opening Data Log File
When the data log is started, the Monitor Screen dis-
plays the number of the current log record between the
time and date fields at the top of the screen. To termi-
nate the data log, press the ESCAPE key. The file is
closed and data logging is terminated.
The data log record contains fields of ASCII data sepa-
rated by tab characters. The field names and descrip-
tions in record order are listed below.
TIME
Time record written in seconds
LMD
LMD value in mAh
NAC
NAC value in mAh
Avg.
Discharge
Current
Average V
SR
battery current
BATV
Battery cell voltage
FLAGS1
Binary setting of FLAGS1 flags:
Bit Meaning
0
EDVF flag state
1
EDV1 flag state
2
Not used
3
VDQ (valid discharge)
4
Capacity inaccurate
5
Battery removed flag state
6
Battery replaced flag state
7
Charge active flag state
FLAGS2
Binary setting of FLAGS2 flags:
Bit Meaning
0
Overload flag state
1–3 Not used
4–6 Discharge rate
7
Charge rate
The log records should be readable by most spreadsheet
programs.
7
EV2014
Rev. B Board
Benchmarq BQ2014
Programming Menu
Sense Resistor:
0.1
Ω
Scale Factor:
1/320
Display Full:
RELATIVE
PFC
Count: XXXXX
PFC(mVH):
XXXX
Self-Discharge
Battery Capacity
9999 mAH
Rate:
1/47 NAC/day
Number of Cells: X
EDV1:
X.XX
Programming Pin Configuration
Prog-1
*
Prog-4
*
Prog-2
*
Prog-5
*
Prog-3
*
Prog-6
*
F1 = SR, F2 = NOC, F3 = EDV1, ESC to main menu
Figure 4. Display Program Menu