Campbell Scientific CR6 CR6 Measurement and Control System - Page 85
Telecommunications, 2.9.3 Mass-Storage Device, 2.9.4 Micro SD Card
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Section 5. System Overview 5.2.9.2 Telecommunications Data are usually copied through a telecommunication link to a file on the supporting PC using Campbell Scientific datalogger support software (p. 604). See also the manual and Help for the software being used. 5.2.9.3 Mass-Storage Device Caution When removing a Campbell Scientific mass storage device (thumb drive) from the CR6, do so only when the LED is not lit or flashing. Removing the device while it is active can cause data corruption. Data stored on a Campbell Scientific mass storage device are retrieved via a telecommunication link to the CR6, if the device remains on the CS I/O port, or by removing the device, connecting it to a PC, and copying files using Windows File Explorer. 5.2.9.4 Micro SD Card Caution Observe the following precautions when using memory cards: • Before installing a memory card, turn off power to the CR6. • Before removing a card from the card module, or removing the card module from the CR6, disable the card by pressing the Initiate Removal button (NOT the eject button), wait for the green light, and then turn CR6 power off. • Do not remove a memory card while the drive is active or data corruption and damage the card may result. • Prevent data loss by collecting data before sending a program from the memory card to the CR6. Sending a program from the card to the CR6 often erases all data. Data stored on a memory card are collected to a PC through a telecommunication link with the CR6 or by removing the card and collecting it directly using a thirdparty adapter on a PC. Telecommunications The CR6 accesses data on the card as needed to fill data-collection requests initiated with the datalogger support software Collect (p. 491) command. An alternative, if care is taken, is to collect data in binary form. Binary data are collected using the datalogger support software File Control | Retrieve (p. 496) command. Before collecting data this way, stop the CR6 program to ensure data are not written to the card while data are retrieved, or data will be corrupted. Direct with Adapter to PC Data transfer is much faster through an adapter than through a telecommunications link. This speed difference is especially noticeable with large files. The format of data files collected with a PC with an adapter is different than the standard Campbell Scientific data file formats (see Data-File Format Examples (p. 380) ). Data files can be converted to a Campbell Scientific format using CardConvert software. 85
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