8. Data Memory
The basic information with regard to data storage in ALMEMO
®
devices is
given in the manual section 6.9. The memory organisation can be reconfigured
from linear to ring memory (see manual 6.10.13.2).
As a new option several measurements can be stored even if they have
different configurations. At each start the configuration is checked and newly
saved, if it has been changed, and the measurement is provided with a number
(see 8.3). Each configuration requires 2008 bytes of memory space. As, on
principle, only one configuration can be allowed in a measurement file, the
memory output into a table format is cancelled with each new configuration.
The next measurement must then be selected by its number or the time/date.
8.1 Memory Extension through Smart Media Card
The data logger 5990-2 provides a slot for a standard Smart Media Memory
Card with min. 8MB memory space. As a result, the memory capacity is
extended to 1,600,000 measured values. Furthermore, it is often useful when
the data logger can remain at one measuring location and data can just be
taken on a memory device and evaluated somewhere else.
Please consider the following characteristics when using external
memories:
Plugging the Smart Media Card in right layer in
If the internal data memory contains data when connecting the
external memory the message ´CMEM´ will be displayed in the
function ´No: -- Free´ and prompt the user to delete the internal
memory by using the key <CMEM>.If the data needs to be rescued
the external memory must be removed again and the data must
first be read out.
New or alien Smart Media Cards must be formatted by erasing.
Additionally, the external memory modules can be identified with a
two-digit number.
It can easily be entered in function ´No: 00 Free:´
The function ring memory will not be supported when storing data
on the memory connectors.
All measuring operations, including manual scans, must be termi-
nated with <
STOP
>. Data not thus terminated may be saved in in-
complete form or may be overwritten with the next measuring
operation.
Therefore, the external memory must not be removed when a
measurement is in progress!
46
ALMEMO
®
5990-2
Data Memory
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