Vaisala WMS302 Betriebsanweisung PDF herunterladen (Seite 198)

User's Guide ______________________________________________________________________

196 __________________________________________________________________M210630EN-B

Using External Memory Card

The external memory card is used to store log files that have been

copied or moved from the internal log directory. The data can be

retrieved from the external memory card via terminal connection or by

switching the memory card with an empty one.

Note that the memory card must be formatted with the command

EXTFS ERASE before use.

When a new memory card is inserted into MAWS, the software checks

that the card is ready for use. The status of the memory card is indicated

by a LED. Table 19 on page 154 describes the different blinking

sequences and the card conditions they indicate.

The external memory card can be removed from MAWS for data

retrieval without interruptions to MAWS operations. MAWS copies

data from the internal log directory to the memory card daily at

midnight; the default time is 00:00:30. Data is being written when the

LED on the logger cover to the left of the external memory card is

constantly on.

Table 30 LED Blinking Sequences and Card Status Options

Blinking Sequence Card Status

Long-long The card is OK.

Constantly on Data is being written.

Short-short-short for 5 seconds The card is unformatted or corrupted.

CAUTION

The memory card must not be removed from MAWS while data is

being written or the data may be lost. By default, data is transmitted to

the memory card every day at 00:00:30.

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Vaisala WMS302 Betriebsanweisung Seite 198