Unihedron
SQM-LU Users manual
4.2.11 Setting interval reporting parameters
For firmware feature 13 and above, the SQM-LU is capable sending timed interval reports. Each
interval report is the same as the reading request report except that the serial number (feature 14 and
above) is attached at the end so that numerous reporting SQM-LUs can be distinguished from each
other.
The format of the interval report is:
Column Value
Description
0
r
Indicates that a reading is being returned.
2-8
06.70m
Reading in magnitudes per square arc second.
Leading space for positive value.
Leading negative sign (-) for negative value.
A reading of
0.00m
means that the light at the sensor has reached the
upper brightness limit of the unit.
10-21
0000022921Hz
Frequency of sensor in Hz.
23-33
0000000020c
Period of sensor in counts, counts occur at a rate of 460.8 kHz
(14.7456MHz/32).
35-46
0000000.000s
Period of sensor in seconds with millisecond resolution.
48-54
039.4C
Temperature measured at light sensor in degrees C.
Leading space for positive value.
Leading negative sign (-) for negative value.
55-63
00000413
Serial number (8 digits). Each unit has its own unique serial number.
64-65
Carriage return (0x0d), Line feed (0x0a).
Table 12: Interval report
An example is:
r, 06.70m,0000022921Hz,0000000020c,0000000.000s, 039.4C,00000413
0123456789
10
123456789
20
123456789
30
123456789
40
123456789
50
123456789
60
12345
Revision 1.1
Page 18
Last modified: Jun 18, 2011
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