Campbell CR500 Spécifications télécharger pdf (Page 15)

cR500

2.S CRS00

power

The CR500

operates at

12

VDC

(nominal).

Below 9.6 or above

Requirement

1:.Y,o,:,the

cR500 will not

operate

properly.

see

section 6.5 for

oetails.

3.

Internal Memory

lllff,Etl1tfiisof

has

32Kof

sRAM and 128Kof

non-voratire

32K SRAMI

Used

for

running datalogger

programs.

12gK Flash

Memorv

The Flash

memory

stores

the

operating system, user

programs,

and

-

final storage

data.

Breakdown

of Flash

memory:

o

48K

for

operating

system

and datalogger

program

instruction

set.

o

16K

for storage

of both active

and standby

user

programs.

Several

programs

can be

stored

and later

recalled

using the

*D

mode.

See Section

7.5.4.

o

64K

for final storage

data.

Four 16K

sectors.

Data are

written to

memory

one

reading at

a time.

When memory

is full, the

16K

sector

with the oldest data

is completely erased.

Then

new data

is stored

in

that

sector.

Maximum

Data

When allthree

sectors

are

full, the CR500

will have

over

32,000

Storage

readings'

When the

next reading must

be stored,

the oldest

16K sector is

erased

and then

the reading

is

stored.

At that

point,

the

CR500

will

have

just

over

24,000 readings

in final storage.

For more

information on the

CR500

memory, see

Section

7.2.

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