Campbell Manufacturing CR10 Manual De Usuario
SECTION 8. PROCESSING AND PROGRAM CONTROL EXAMPLES
8-6
situation, it is more likely that the pulse
counters would be used for 2 wind speeds.) In
Program Table 1, the 2 normal pulse inputs are
read and the hourly totals output to Final
Storage with Instruction 72.
counters would be used for 2 wind speeds.) In
Program Table 1, the 2 normal pulse inputs are
read and the hourly totals output to Final
Storage with Instruction 72.
The rain gage is connected as diagrammed
below. When the switch closes, 5 volts is
applied to port 8 which causes the subroutine to
be executed.
below. When the switch closes, 5 volts is
applied to port 8 which causes the subroutine to
be executed.
FIGURE 8.5-1. Connections for Rain Gage
Input location Assignments:
10:Rain #1
(from Pulse count)
11:Rain #2
(from Pulse count)
12:Rain #3
(from subroutine 98 while
Output Flag is low)
Output Flag is low)
13:Rain alt
(from subroutine 98 while
Output Flag is high)
Output Flag is high)
*
1
Table 1 Programs
01:
10
Sec. Execution Interval
01:
P3
Pulse
01:
2
Reps
02:
1
Pulse Input Chan
03:
2
Switch Closure
04:
10
Loc [:Rain #1 ]
05:
.254
Mult
06:
0
Offset
02:
P92
If time is
01:
0
minutes into a
02:
60
minute interval
03:
10
Set high Flag 0 (output)
03:
P77
Real Time
01:
110
Day,Hour-Minute
04:
P
72 Totalize
01:
2
Reps
02:
10
Loc Rain #1
05:
P91
If Flag/Port
01:
10
Do if flag 0 (output) is high
02:
30
Then Do
06:
P70
Sample
01:
1
Reps
02:
12
Loc Rain #3
07:
P30
Z=F
01:
0
F
02:
0
Exponent of 10
03:
12
Z Loc [:Rain #3 ]
08:
P86
Do
01:
20
Set low Flag 0 (output)
09:
P33
Z=X+Y
01:
13
X Loc Rain alt
02:
12
Y Loc Rain #3
03:
12
Z Loc [:Rain #3 ]
10:
P30
Z=F
01:
0
F
02:
0
Exponent of 10
03:
13
Z Loc [:Rain alt ]
11:
P95
End
12:
P
End Table 1
*
3
Table 3 Subroutines
01:
P85
Beginning of Subroutine
01:
98
Subroutine Number
02:
P91
If Flag/Port
01:
10
Do if flag 0 (output) is high
02:
30
Then Do
03:
P34
Z=X+F
01:
13
X Loc Rain alt
02:
0.254
F
03:
13
Z Loc [:Rain alt ]
04:
P94
Else
05:
P34
Z=X+F
01:
12
X Loc Rain #3
02:
.254
F
03:
12
Z Loc [:Rain #3 ]
06:
P95
End
07:
P22
Excitation with Delay
01:
1
EX Chan
02:
0
Delay w/EX (units=.01sec)
03:
20
Delay after EX
(units=.01sec)
(units=.01sec)
04:
0
mV Excitation
08:
P95
End
09:
P
End Table 3