Campbell 21X Manuel de l'opérateur télécharger pdf (Page 85)

SECTION 8.

PROCESSING AND PROGHAM

CONTROL

EXAMPLES

TABLE

8.7-2.

Example

Outputs

and

lnput

Storage

Locations

LEVEL

1

OUTPUTS

M(w1)

M(u1)

M(v1)

M(Tal)

M(e1)

24

v(w1)

v(u1)

v(v1)

V(Tal)

V(e1)

MEANS

LOC

M(W2)

36

M(U2)

37

M(V2) 38

M(Ta2)

39

M(e2)

40

cv(wl,u1)

cv(w1,v1)

CV(W1,Tal)

CV(W1

,el

)

LEVEL 2 OUTPUTS

VARIANCES LOC

CORRELATIONS

LOC

cR(wl,ul)

34

cR(w1,v1)

35

COVARIANCES

LOC

cv(w2,u2)

cv(w2,v2)

CV(W2,Ta2)

CV(W2,e2)

cv(u2,v2)

CV(U2,Ta2)

CV(U2,e2)

CV(V2,Ta2)

CV(V2,e2)

VARIANCES

LOC COVARIANCES

LOC

46

47

48

49

50

51

52

53

54

30

31

32

33

41

42

43

44

45

25

26

27

28

29

v(w2)

v(u2)

v(v2)

V(Ta2)

V(e2)

Table

8.7-3

lists

the

input channelconfiguration

and Input

Storage

allocation

for the

measured

values.

Afte{r

reading the

new

input samples,

the

Level 2

fieasurements

are

relocated using

the Block

M0ve

Instruction

54, then

Ta1

is

relocated thrlough a separate

move

and

e1

is

positioned

by

specifying

the destination location

in the

WeV0ry-Bulb Instruction.

The

CV/CR

Instruction

niust

be entered

twice, once for each

level.

In addition tQ ordering

Level 1 and

Level

2 in

locations 1-$

and

1 1-15

respectively, 2 more

locations

are

required. Convefting the

wet-/dry-

bulb measurements

to vapor

pressure

using

lnstruction 57 requires atmospheric

pressure.

We'll

use the

standard atmosphere

for the site

elevation and key the

value

into

Location

17

using

the

C command

in the

t6

Mode. The

reference

junction

temperature obtained

by

Instruction

17

is

stored

in

Location

16.

This

example

requires that

54

locations

be

allotted to Input Storage

and 79 to Intermediate

Storage

(35

for the

1st

CV/CR Instruction,

43

for

the

second,

and

1 for Instruction

92).

TABLE 8.7-3.

Example

lnput

Channeland Location Assignments

W1

U1

V1

w2

U2

v2

Ta2

Tw2

Ta1

Tw1

W1

U1

V1

Ta1

Tw1

W2

U2

v2

1a2

Tw2

INPUT

INPUT

PARAM CHAN

LOC

INPUT

PARAM LOC

INPUT

PARA LOC

1

2

3

4

5

11

12

13

14

15

1

2

3

9

10

11

12

13

14

15

11

22

33

44

55

66

77

88

99

10

10

->Block->

move

W1

U1

V1

Ta1

Separate moves e1

w2

U2

v2

Ta2

e2

8-9

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 190 191

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