Campbell CR3000 Micrologger, Operator'S Manual, Page: 447 / 644

Section 8. Operation
447
The USR: drive holds any file type within the constraints of the size of the drive
and the limitations on filenames. Files typically stored include image files from
cameras (see Cameras — List
(p. 610))
, certain configuration files, files written for
FTP retrieval, HTML files for viewing with web access, and files created with the
TableFile() instruction. Files on USR: can be collected using datalogger support
software
(p. 90)
Retrieve
(p. 539)
command, or automatically using the datalogger
support software Setup File Retrieval tab functions.
Monitor use of available USR: memory to ensure adequate space to store new
files. FileManage() command can be used in the CRBasic program to remove
files. Files also can be removed using datalogger support software Delete
(p. 539)
command.
Two Status table fields monitor use and size of the USR: drive. Bytes remaining
are indicated in field USRDriveFree. Total size is indicated in field
USRDriveSize. Memory allocated to USR: drive, less overhead for directory
use, is shown in datalogger support software File Control
(p. 539)
window.
8.8.1.1.4 USB: Drive
USB: drive uses Flash
(p. 540)
memory on a Campbell Scientific mass storage
device. See Mass Storage Devices — List
(p. 613).
Its primary purpose is the
storage of ASCII data files. Measurement data can be stored on USB: as discrete
files by using the TableFile() instruction. See Table: TableFile() Instruction Data
File Formats
(p. 449).
Caution Only remove mass-storage devices when the LED is not
flashing or lit.
Do the following when using Campbell Scientific mass-storage devices:
•
Format as FAT32
•
Connect to the CR3000 CS I/O port
•
Remove only when inactive or data corruption may result
8.8.1.2 Memory Card (CRD: Drive)
Related Topics:
• Memory Card (CRD: Drive) — Overview
(p. 81)
• Memory Card (CRD: Drive) — Details
(p. 447)
• Memory Cards and Record Numbers
(p. 453)
• Data Output: Writing High-Frequency Data to Memory Cards
(p. 217)
• File System Errors
(p. 464)
• Data Storage Devices — List
(p. 613)
• Data File Format Examples
(p. 450)
• Data Storage Drives Table
(p. 445)
The CRD: drive uses CompactFlash (CF) card memory cards exclusively. Its
primary purpose is the storage of data files in a compact binary format. The
CR3000 requires addition of a peripheral card slot. See appendix Data Storage