Campbell CR23X Spécifications Page 133

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Vue de la page 132
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
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