Campbell Scientific SR50A Distance Sensor User Manual
Page 35
SR50A Sonic Ranging Sensor
5: Z=SQRT(X) (P39)
1: 6
X Loc [ Mult1 ]
2: 6
Z Loc [ Mult1 ]
;Distance to the Snow Surface is obtained by multiplying the temperature correction
;to the Raw Distance value
6: Z=X*Y (P36)
1: 3
X Loc [ Raw_Dist ]
2: 6
Y Loc [ Mult1 ]
3: 7
Z Loc [ DistToSnw ]
;Set the initial distance from the SR50A to the ground in meters:
7: Z=F x 10^n (P30)
1: 2.5
F
2: 00
n,
Exponent
of
10
3: 2
Z Loc [ DisToGnd ]
8: Z=X-Y (P35)
1: 2
X Loc [ DisToGnd ]
2: 7
Y
Loc
[
DistToSnw
]
3: 8
Z Loc [ SnowDepth ]
;Hourly Data Output
9: If time is (P92)
1: 0
Minutes (Seconds --) into a
2: 60
Interval (same units as above)
3: 1
Set Output Flag High (Flag 0)
10: Set Active Storage Area (P80)^28428
1: 1
Final Storage Area 1
2: 60
Array
ID
11: Real Time (P77)^30811
1: 1220
Year,Day,Hour/Minute
(midnight
=
2400)
12: Sample (P70)^20443
1: 1
Reps
2: 8
Loc
[
SnowDepth
]
;The SR50A signal quality value can optionally be stored as well
13: Sample (P70)^22572
1: 1
Reps
2: 4
Loc [ Sig_Qual ]
*Table 2 Program
02: 0.0000 Execution
Interval
(seconds)
*Table 3 Subroutines
End Program
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