Campbell-scientific CR9000X Measurement and Control System Instrukcja Użytkownika Strona 217

  • Pobierz
  • Dodaj do moich podręczników
  • Drukuj
  • Strona
    / 442
  • Spis treści
  • BOOKMARKI
  • Oceniono. / 5. Na podstawie oceny klientów
Przeglądanie stron 216
Section 6. Data Table Declarations and Output Processing Instructions
Parameter
& Data Type
Enter SAMPLEMAXMIN PARAMETERS
Reps
Constant
The number of values to sample. When repetitions are greater than 1, the source
must be an array.
Source
Variable
The Source is the name of the variable or variable array that is sampled when a
new maximum or minimum occurs for the preceding Maximum or Minimum
instruction.
DataType A code to select the data storage format. Read More: See Section 4.2.4.4 Data Types
Entry Description
IEEE4 IEEE four-byte floating point
FP2 Campbell Scientific two-byte floating point
UINT2 2 Byte unsigned integer
Constant
Long 32 bit long integer
DisableVar
Constant,
Variable or
The DisableVar is a Constant, Variable, or Expression that is used to determine
whether the current measurement is included in the values to evaluate for a
maximum or minimum
Value Result
0 Process current input
Expression
0 Do not process current input
StdDev (Reps, Source, DataType, DisableVar)
StdDev calculates the standard deviation of the Source(s) over the output
interval.
δ() / /xxxNN
ii
i
iN
i
iN
=−
=
=
=
=
2
1
2
1
1
2
(
)
δ
where
x
is the standard deviation of x, and N is the number of samples
6-33
Przeglądanie stron 216
1 2 ... 212 213 214 215 216 217 218 219 220 221 222 ... 441 442

Komentarze do niniejszej Instrukcji

Brak uwag