Campbell Scientific CR1000KD CR1000 Measurement and Control System - Page 67
Data Retrieval
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Section 5. System Overview • Main Memory o 4-MB SRAM o Battery backed o OS variables o CRBasic compiled program binary structure (490 kB maximum) o CRBasic variables o Final Storage o Communications memory o USR: drive User allocated FAT32 RAM drive Photographic images (See the appendix Cameras (p. 562) ) Data files from TableFile() instruction (TOA5, TOB1, CSIXML and CSIJSON) o Keep memory (OS variables not initialized) o Dynamic runtime memory allocation Note CR1000s with serial numbers smaller than 11832 were usually supplied with only 2 MB of SRAM. Additional final data storage is available by using the optional CF (p. 450) card with a CF module listed in the appendix Card Storage Module, or with a mass storage device (see the appendix Mass Storage Devices ). 5.1.8 Data Retrieval Data tables are transferred to PC files through a telecommunications link (Telecommunications and Data Retrieval (p. 348) ) or by transporting a CF card (CRD: drive) or Campbell Scientific mass-storage media (USB: drive) to the PC. 5.1.8.1 Via Telecommunications Data are usually transferred through a telecommunications link to an ASCII file on the supporting computer using Campbell Scientific datalogger support software (see Datalogger Support Software (p. 77) ). See also the manual and Help for the software being used. 5.1.8.2 Via Mass-Storage Device Caution When removing a CS mass storage device (thumb drive) from the CR1000, do so only when the LED is not lit or flashing. Removing a Campbell Scientific mass storage device from the CR1000 while the device is active can cause data corruption. 67
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