Program Examples - Campbell LLAC4 Instruction Manual

LLAC4 Four-Channel, Low-Level AC Conversion Module

5. Program Examples

CR1000 Example Program
'CR1000 Series Datalogger
'LLAC4 Sample Program
'Record 10-minute average wind speed in m/s for:
'1 RM Young 05103-L Wind Monitor Anemometer
'1 RM Young 05106-L Marine Wind Monitor Anemometer
'1 RM Young 05305-L AQ Wind Monitor Anemometer
'1 RM Young 03101-L Wind Sentry Anemometer
'Declare Public Variables
Public RMY05103WS
Public RMY05106WS
Public RMY05305WS
Public RMY03101WS
'Define Data Tables
DataTable (WindSpd,1,-1)
DataInterval (0,10,min,0)
Average (1,RMY05103WS,FP2,False)
Average (1,RMY05106WS,FP2,False)
Average (1,RMY05305WS,FP2,False)
Average (1,RMY03101WS,FP2,False)
EndTable
'Main Program
BeginProg
Scan (1,Sec,0,0)
PulseCount (RMY05103WS,1,15,0,1,0.098,0.0)
4
Using the CR1000, let's measure four different wind speed sensors that produce
low-level AC signals. These will include the RM Young 05103, 05106, 05305,
propeller type anemometers, and RM Young 03101 cup anemometer. Program
examples are provided for both the CR1000 and the CR200(X).
Sensor
05103-L Sig + Red
Ref Black
Drain Clear
05106-L Sig + Red
Ref Black
Drain Clear
05305-L Sig + Red
Ref Black
Drain Clear
03101-L Sig + Black
Ref White
Drain Clear
Wiring
LLAC4 CR1000
P1
P2
P3
P4
12 V Red 12 V
G Black G
D1 White C5
D2 Green C6
D3 Yellow C7
D4 Blue C8
G Clear G
CR200(X)
Battery +
G
PLL
C1/SDI-12
C2
P_SW
G