Campbell-scientific 034A-L WindSet Manual de usuario descargar pdf (Pagina 8)

MET ONE 034A-L WINDSET

TABLE 5-1. Multipliers and Offsets for Wind

Speed and Direction

Units Datalogger

type

Instruction

number

Multiplier

Offset

m s

-1

CR10(X)

or 21X

3 0.7990

0.2811

mph CR10(X)

or 21X

3 1.789

.629

degrees CR10(X)

or 21X

5 720

NOTE: 034A-L Windsets purchased

directly from Met One Instruments have a

different configuration on the 6 pin

connector. In addition, they do not have the

10 kΩ resistor on the excitation line. The

wiring diagram and the multiplier and offset,

for wind direction, are different than the

examples in this document.

EXAMPLE 1. Sample CR10(X) Instructions

;{CR10X}

;

*Table 1 Program

01: 10 Execution Interval (seconds)

01: Pulse (P3)

1: 1 Reps

2: 2* Pulse Channel 2

3: 22 Switch Closure, Output Hz

4: 1* Loc [ WndS_m_s ]

5: 0.7990 Mult

6: 0.2811 Offset

;Set the wind speed to zero if the wind is not blowing.

;

02: If (X<=>F) (P89)

1: 1* X Loc [ WndS_m_s ]

2: 1 =

3: 0.2811 F

4: 30 Then Do

03: Z=F (P30)

1: 0 F

2: 0 Exponent of 10

3: 1* Z Loc [ WndS_m_s ]

04: End (P95)

05: AC Half Bridge (P5)

1: 1 Reps

2: 25 ± 2500 mV 60 Hz Rejection Range

3: 5* SE Channel

4: 3* Excite all reps w/Exchan 3

5: 2500 mV Excitation

6: 2* Loc [ WndD_deg ]

7: 720 Mult

8: 0 Offset

06: If time is (P92)

1: 0 Minutes (Seconds --) into a

2: 30 Interval (same units as above)

3: 10 Set Output Flag High (Flag 0)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Campbell-scientific 034A-L WindSet Manual de usuario Pagina 8

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