Campbell Scientific CR23X Micrologger User Manual
Page 133
SECTION 8. PROCESSING AND PROGRAM CONTROL EXAMPLES
8-23
BLACK
RED
RED
BLACK
ASPTC
(LOWER)
PURPLE
RED
ASPTC
(UPPER)
PURPLE
RED
2H
2L
3H
3L
G
G
SWITCHED 12 V
FIGURE 8.12-1. Connections to Power Two 12 V ASPTCs with the Switched 12 V
on the CR23X Wiring Panel
PROGRAM
*
Table 1 Program
01:
20
Execution Interval (seconds)
01:
If time is (P92)
1:
40--
Minutes (Seconds --) into a
2:
60
Interval (same units as above)
3:
49
Set Port 9 High
02:
If time is (P92)
1:
0
Minutes (Seconds --) into a
2:
1
Interval (same units as above)
3:
30
Then Do
03:
If Flag/Port (P91)
1:
49
Do if Port 9 is High
2:
30
Then Do
04:
Reference Temperature (P17)
1:
1
Loc [ Ref_Temp ]
05:
Thermocouple Temp (DIFF) (P14)
1:
2
Reps
2:
1
±2.5 mV Slow Range
3:
2
DIFF Channel
4:
2
Type E (Chromel-Constantan)
5:
1
Ref Temp Loc [ Ref_Temp ]
6:
2
Loc [ Lower_TC ]
7:
1
Mult
8:
0
Offset
06:
Do (P86)
1:
59
Set Port 9 Low
07:
Z=X-Y (P35)
1:
3
X Loc [ Upper_TC ]
2:
2
Y Loc [ Lower_TC ]
3:
4
Z Loc [ del_TC ]
08:
If time is (P92)
1:
0
Minutes (Seconds --) into a
2:
60
Interval (same units as above)
3:
10
Set Output Flag High
09:
Real Time (P77)
1: 0110
Day,Hour/Minute
10:
Average (P71)
1:
4
Reps
2:
1
Loc [ Ref_Temp ]
11:
End (P95)
12:
End (P95)
Input Locations
1 Ref_Temp
2 Lower_TC
3 Upper_TC
4 del_TC