Campbell CM3, Instruction Manual, Page: 11 / 16

CM3 Pyranometer
7
Example 1
;{CR10X}
;
*Table 1 Program
01: 10 Execution Interval (seconds)
1: Volt (Diff) (P2)
1: 1 Reps
2: 24 250 mV 60 Hz Rejection Range
3: 1 DIFF Channel
4: 1 Loc [ W_m2 ]
5: 45.725 Mult ;multiplier = (1 / 0.02187 mV / W/m2)
6: 0.0 Offset
;Set negative values to zero.
;
2: If (X<=>F) (P89)
1: 1 X Loc [ W_m2 ]
2: 4 <
3: 0 F
4: 30 Then Do
3: Z=F x 10^n (P30)
1: 0.0 F
2: 00 n, Exponent of 10
3: 1 Z Loc [ W_m2 ]
4: End (P95)
5: If time is (P92)
1: 0 Minutes (Seconds --) into a
2: 60 Interval (same units as above)
3: 10 Set Output Flag High (Flag 0)
6: Real Time (P77)
1: 1220 Year,Day,Hour/Minute (midnight = 2400)
7: Average (P71)
1: 1 Reps
2: 1 Loc [ W_m2 ]
*Table 2 Program
02: 0.0000 Execution Interval (seconds)
*Table 3 Subroutines
End Program
5.2 Total Solar Radiation
In Example 2 a CR10X is used to record daily total flux density. This total flux
density is in MJ m
-2
day
-1
to avoid the need for high resolution discussed in
5.2.1. Negative values are set to zero before they are added to the running
total.