Campbell CR500 Especificações descarregar pdf (Página 42)

E

E

E

E

cR500

Keyboard

Entrv

trE

Display

lD:

Data

01:XXXX

02:XXXX

03:X

04:XXXXX

05:XXXX.X

06:XXXX.X

lf lntermediate

Storage

size is too smallto

accommodate the

programs

or instructions

entered, the

"E:04"

ERROR

CODE willbe

displayed in

the

*0, *6,

and

*B

Modes. The

user

may remove this error

code by entering a larger

value for Intermediate

Storage size.

Intermediate Storage

and Program Memory can

be automatically allocated

by entering 0 for their

size. The size

of

Final

Storage and the

rate

at

which data are stored

determines

how long it

willtake for FinalStorage

to

fill,

at

which

point

new

data

willwrite

over

old.

After repartitioning

memory,

the

program

must

be recompiled. Compiling

erases Intermediate

Storage.

Compiling with.0

erases Input

Storage; compiling

with

.6

leaves lnput

Storage

unaltered.

ENTERING

98765

for the number of

bytes to

allocate for

program

memory COM PLETELY

RESETS

THE CR500.

All memory is

erased

including

any stored

programs

and memory is

checked. Memory

allocation returns to

the

default.

TABLE 7.5-1.

Description

of

*A

Mode Data

Description

of Data

Input Storage Locations

-

(Minimum

of

28,

maximum limited

amount

of

memory

allocated for

lntermediate

Storage

and the'User.Fr€'gram.)

This

vafue

can be changed

by

keying

the desired number.

Intermediate

Storage

Locations

-

This is

automatically

calculated by

the

program.

This does not affect the

data in

Storage.

Final

Storage Reset

-

Entering

a

number into this

window

pressing

A will erase all data in Final Storage.

Final Storage Area Locations

-

(32,768).

User cannot

window.

Bytes Allocated ior

User

Program

-

The number

of bytes to

assign

to

program

memory

can

be keyed in to change

the size

of

program

memory. Entering 0 willalso result

in

the CR500

erasing all data whenever the

program

is changed

and

compiled.

Key in

98765

to completely reset the

datalogger

including the datalogger's realtime clock.

Bytes Free in Program Memory

-

The user cannot

change

this window. lt is a of window 5 and the

E

7.5.2

MEMORY

TESTING AND SYSTEM

STATUS

-

*B

The

*B

Mode is used to check

the

status of the

program's

operating

system. Table 7 .5-2

describes

what

the

values seen in

the

.B

Mode

represent.

A signature is a number

which is

a function of

the data

and the sequence of data

in

memory.

It is

derived

using an algorithm which

assures

99.998%

probability

that if either

the data or

sequence changes,

the signature

changes.

The signature of the

program

memory

is used

to determine

if

the

program

tables

have been

altered.

During

the self

check on

reset, the

signature computed

for

the

OS is

compared

with a stored signature to determine if

a

failure

has occurred.

The contents

of

windows 6 and

7, Operating

System

(OS)

version and version

revision, are

helpful in determining

what OS

is in the

datalogger.

As ditferent versions

are released,

there may be operational

differences.

When

calling Campbell

Scientific for datalogger

assistance,

please

have these

numbers

available.

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