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12V
t
C1
C2
1H
1L
SECTION
8.
PROCESSING
AND PROGRAM CONTROL EXAMPLES
AM41 6
n;v-
GND
i
RES
SETS 1_16
-l
iCLK
/
I
coM
H1
----J/
o-
H1
iCOvt
L1
!co
COM
Table 1 Programs
Sec. Execution Interval
Panel
Temperature
Loc [:REF TEMP
]
Do
Set high Port
1
Beginning of Loop
Delay
Loop Count
Do
Pulse Pod
2
Thermocouple Temp (DIFF)
Rep
5 mV slow Range
lN Chan
Type
T (Copper-Constantan)
Ref
Temp Loc REF TEMP
-
Loc [:TC TEMP#1]
Mult
Offset
SETS 1_16
rH2
lr/
icov
L2
G_
L2_
t__
I
FIGURE
8.3.1. 4M416
EXAMPLE
PROGRAM MULTIPLEXING
THERMOCOUPLES AND SOIL MOISTURE
BLOCK
For
Thermocouple'and Soil Moisture Block Measurements
06:
P5
01:
1
02:
14
03:
3
04:
2
05:
500
06:
18--
07:
1
08:
0
AC Half Bridge
Rep
500 mV fast Range
lN Chan
Excite
all
reps
w/EXchan
2
mV Excitation
Loc [:SOIL M#1
]
Mult
Offset
End
Do
Set low Port
1
BR
Transform
Rf[)V(1
-X)]
Reps
Loc [:SOIL M#1
]
Multiplier
(Rf)
lf
time
is
minutes into
a
minute interval
Set high Flag
0 (output)
RealTime
Day,Hour-Minute
Average
Reps
Loc REF TEMP
*
ot'
01:
01:
02:
01:
03:
01:
02:
1
600
P17
1
P86
41
P87
0
16
P95
P86
51
P59
16
18
.1
P92
0
60
10
P77
110
P71
33
1
04:
P86
01:
72
05:
P14
01:
1
02:
1
03:
1
04:
1
05:
1
06:
2-
O7:
1
08:
0
Q7:
08:
01:
09:
01:
02:
03:
10:
01:
02:
03:
11:
01:
't2:
01:
02:
8-4
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