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Capteur de télémétrie sonique SR50A
01: 60
Execution Interval (seconds)
;Measure the 107 temperature probe:
1: Temp (107) (P11)
1: 1
Reps
2: 1
SE Channel
3: 1
Excite all reps w/E1
4: 1
Loc [ T_Kelvin ]
5: 1.0
Multiplier
6: 273.15 Offset
;Use SDI-12 command "M1!" to receive Distance and Signal Quality from the SR50A
2: SDI-12 Recorder (P105)
1: 0
SDI-12 Address
2: 1
Start Measurement (aM1!)
3: 1
Port
4: 3
Loc [ Raw_Dist ]
5: 1.0
Multiplier
6: 0.0
Offset
;Apply air temperature compensation to distance:
3: Z=F x 10^n (P30)
1: 273.15 F
2: 0
n, Exponent of 10
3: 5
Z Loc [ Ref_Temp ]
4: Z=X/Y (P38)
1: 9
X Loc [ T_Kelvin ]
2: 5
Y Loc [ Ref_Temp ]
3: 6
Z Loc [ Mult1
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 [ Mult1
;Set the initial distance from the SR50A to the ground in meters:
: 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
Z Loc [ DisToGnd ]
2: 7
Y Loc [ DistToSnw ]
3: 8
Z Loc [ SnowDepth ]
;SE channel 1 used for this example
;Excite channel 1 used for this example
;This converts the value to degrees Kelvin
;Use Ports 5-8 for CR23X
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