3 example 21x program, Example 21x program, 5. wiring for example 21x program – Campbell Scientific 223-L Delmhorst Cylindrical Soil Moisture Block User Manual
Page 24
223 Delmhorst Cylindrical Soil Moisture Block
19: Real Time (P77)
;Output Day and Hour/Minute
1:
220
Day,Hour/Minute (midnight = 2400)
20: Sample (P70)
;Output resistances and Water Potentials
1:
64
Reps
2:
1
Loc [ BlockR_1 ]
7.2.5.3 Example 21X Program
21X
Multiplexer
FIGURE 7-5. Wiring for example 21X program
*Table 1 Program
01:
10
Execution
Interval
(seconds)
01: Set Port (P20)
;Enable multiplexer
1:
1
Set
High
2:
1
Port
Number
02: Beginning of Loop (P87)
;Start of measurement loop
1:
0
Delay
2:
16
Loop
Count
03: Excitation with Delay (P22)
;Clock Multiplexer to next channel
1:
1
Ex
Channel
2:
1
Delay w/Ex (units = 0.01 sec)
3:
1
Delay After Ex (units = 0.01 sec)
4:
5000
mV
Excitation
04: Step Loop Index (P90)
;Step index by 2 each pass through loop
1:
2
Step
18
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