Decagon Devices Dielectric Leaf Wetness Sensor Посібник користувача/оператора - Сторінка 17

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6 APPENDIX A: SAMPLE CSI PROGRAM

Appendix A: Sample CSI Program

;{CR23X}

;

;Program to read Decagon's Dielectric Leaf Wetness ;Sensor (LWS)

;

;Wiring: white to EX1, red to 1H, shield to gnd

;

;This program separates LWS output into three bins

;bin 1 = output < 330mV - dry sensor

;bin 2 = 330mV < output < 337mV - wet sensor even when contaminated

;bin 3 = output > 337 mV - wet sensor

;The values output to final storage by the histogram

;command are the fraction of the OUTPUT INTERVAL that

;had sensor output in the preceding ranges

;

;Note that the wetness thresholds depend on excitation

applied. If you are exciting with other than ;3000 mV,

you will need to determine a custom wetness ;threshold

*Table 1 Program

01: 1

1: Excite-Delay (SE) (P4)

1: 1 Reps

2: 20 Auto, 60 Hz Reject, Slow Range (OS>1.06)

3: 1 SE Channel

4: 1 Excite all reps w/Exchan 1

5: 1 Delay (0.01 sec units)

6: 3000 mV Excitation

7: 1 Loc [ LWS_mV

8: 1.0 Multiplier

9: 0.0 Offset

2: If time is (P92)

1: 0 Minutes (Seconds --) into a

2: 60 Intervl (same units as above)

3: 10 Set Output Flag High (Flag 0)

3: Real Time (P77)^14490'

1: 1110 Year,Day,Hour/Minute (midnight = 0000)

4: Sample (P70)^21634

1: 1 Reps

2: 1 Loc [ LWS_mVn

Execution Interval (seconds)

]

even when contaminated

LWS