P30P-09A 46 User's manual
memory card is not formatted, it should be formatted in the card reader from the PC level.
P30P transducer creates directories and files containing archive data. Before the card is inserted in the
transducer, make sure that the card is not write-protected. Never attempt to remove the card from the
transducer before the card is unmounted (see sec. 5.3.2) – the card is unmounted by pressing the
buttons
. Removal of the card that was not unmounted may corrupt the card contents.
Memory card status is described in the transducer registers (sec. 5.9.8. Tab. 43). After the card is
inserted into the slot, the displays shows card status for about 3 seconds, as presented in the table
below:
Table 23
Message
Description
Eject SD
The card inserted but not installed (uninstalled).
DamageSD
Card inserted but the attempt failed.
UnlockSD
The card inserted, installed correctly but write-protected. The card is uninstalled automatically
when write-protection is detected.
SD OK or
SDHC OK
The card inserted and installed.
Full SD
The card inserted and installed but full.
Install.
Card inserted – installation in progress
For example, number of records on the SD/SDHC card with archiving period of 1 second and for one
archived value equals:
●
64 MB card: approx. 1.900.000 records (approx. 22 days)
●
2 GB card: approx. 60.800.000 records (approx. 700 days)
Caution:
It is recommended to use industrial-grade SD/SDHC cards,
with minimum 6th write class. It is also possible to use a consumer-grade cards
compatible with the w 6th writing speed class (it should be remembered that
consumer-grade cards can operate in the temperature range of 0...40°C).
P30P transducer creates directories and files on the card during registration. An example of
the directory structure is shown in Figure 19.
Fig. 19 The directory structure on the SD card.
Besides the ARCH directory, holding the archived data, a SYSTEM directory is created on the
