Campbell Scientific SDM-IO16 16-Channel Input/Output Expansion Module - Manual (Page 31)

SDM-IO16 16 Channel Input/Output Expansion Module
;Measure the four frequencies and write to four input locations
;applying a scaling to m/s
5: SDM-IO16 (P188)
1: 00
SDM Address
2: 40 Command Code Option ;read the freq of the signals on ports 1..4
3: 0 Ports 16-13 ;port settings not used for 40
4: 0 Ports 12-9
5: 0 Ports 8-5
6: 0 Ports 4-1
7: 1 Return Code Loc [ ErrCount ] ;for return code
8: 2 First Loc [ Windspd_1 ] ;for first windspeed data
9: .05148 Mult ;Calibration to give m/s for A100L2
10: 0.0 Offset
;Measure the four pulses counts and write to four locations
;as equivalent rainfall in mm
6: SDM-IO16 (P188)
1: 00
SDM Address
2: 18 Command Code Option ;Count the pulses on ports 5..8
3: 0 Ports 16-13 ;port settings not used for 18
4: 0 Ports 12-9
5: 0 Ports 8-5
6: 0 Ports 4-1
7: 1 Return Code Loc [ ErrCount ] ;for return code
8: 6 First Loc [ Rain_1 ] ;for rain values
9: 0.2 Mult ;Typical calib for mm per tip
10: 0.0 Offset
;Example of output instructions
;Every hour
7: If time is (P92)
1: 0
Minutes (Seconds --) into a
2: 60 Interval (same units as above)
3: 10 Set Output Flag High (Flag 0)
;Fix the array ID to 100
8: Set Active Storage Area (P80)
1: 1
Final Storage Area 1
2: 100 Array ID
;Store a time stamp first
9: Real Time (P77)
1: 1110
Year,Day,Hour/Minute (midnight = 0000)
;Store average windspeeds
10: Average (P71)
1: 4
Reps
2: 2 Loc [ Windspd_1 ]
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