Campbell 21X Instrukcja Operatora Pobierz pdf (Strona 23)

2fX

MICROLOGGER

OVERVIEW'

Explanation

Enter

*5

mode. Clock

running but

not set correctly.

Advance

to

YEAR location.

Key in current

year

(1990).

Enter and advance

to day

of

year.

Key in day of

year.

The

21X Prompt

Sheet has

a

day of

year

calendar.

Enter

and

advance to

hour and

minute.

Key in hrs:min

(1:24

PM in this example).

Clock set and

running.

(:HR:MlN:SEC)

Now

that

the ctock

is set,

we will erase

Final Storage

so that any

data from the

first example

will

not

be

confused

with

this

data.

The

*A

Mode

is

used

to

repartition memory

between

lnput, lntermediate,

and Finatstqrage.

Final

Storage

is erased

when

memory is repartitioned,

even

if

the

same sizes

are

retained

(Section

1.5).

Display Shows

Key

(lD:Data)

Explanation

Key

"5

A

90

A

Display Shows

(lD:Data)

00:21:32

05:89

05:90

05:0076

05:197

05:00:21

05:1324

;13;24:01

197

A

1324

A

and commence

logging

data.

*A

01:0028

28 01:28

A

02:0064

'0

:LOG 1

The 21X

is rtow

programmed

to

measure

the

panel

and

Tp temperatures

every

5 seconds.

Every

hour tfrere

will be

3

values output:

1)

the

output array

lD, 103

(3rd

instruction

in Table 1

set

the

Outpi.tt

Flag), 2) time,

and 3)

average of

the thermocfuple

readings

that occurred

in

the

previous

hoqr.

Every day there

will be

7

values output:

1)

output array

lD, 106

(6th

instruction

in Table 1

set the Output

Flag), 2) day, 3)

time,

4)

maximum

TC temperature

that occurred

in

the

previous

day,

5)

time

at

which the

maximum

occurred,

6) minimum

TC temperature,

and 7)

the time

at

Which

the

minimum occurred.

There

are

28Input Storage

locations.

"Change" to

28

locations

Enter 28, display

no. of

Intermediate

loc.

Exit

*A,

enter'0,

compile

Table

1

OVs.

DATA

RETRIEVAL OPTIONS

There are several

options for data

storage and

retrieval.

These options are

covered

in

detail

in

Sections

2,4, and 5.

Figure OV5-1

summarizes

the

various

possible

methods.

Regardless of the

method used,

there are

three

general

approaches

to

retrieving data from

a

datalogger.

1. On-line output

of

Final Storage

data to a

peripheral

storage

device.

On

a regular

schedule, that

storage device

is brought

back to the

office/lab

where the

data is

transferred

to

the computer.

Another

storage device

is usually

taken

into

the

field

ov-l5

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