Update the OS on the CR1000 as directed in DevConfig Help. The current
version of the OS is found at www.campbellsci.com/downloads. OS updates are
free of charge.
Note An OS file has a .obj extension. It can be compressed using the gzip
compression algorithm. The datalogger will accept and decompress the file on
receipt. See the appendix Program and OS Compression
(p. 463).
Note the following precautions:
• Since sending an OS resets CR1000 memory, data loss will certainly occur.
Depending on several factors, the CR1000 may also become incapacitated for
a time.
o Is sending the OS necessary to correct a critical problem? If not,
consider waiting until a scheduled maintenance visit to the site.
o Is the site conveniently accessible such that a site visit can be undertaken
to correct a problem of reset settings without excessive expense?
o If the OS must be sent, and the site is difficult or expensive to access, try
the OS download procedure on an identically programmed, more
conveniently located CR1000.
• Campbell Scientific recommends upgrading operating systems only with a
direct-hardwire link. However, the Send Program
(p. 524) button in the
datalogger support software
(p. 654) allows the OS to be sent over all software
supported telecommunication systems.
o Operating systems are very large files — be cautious of line charges.
o Updating the OS may reset CR1000 settings, even settings critical to
supporting the telecommunication link. Newer operating systems
minimize this risk.
Note Beginning with OS 25, the OS has become large enough that a CR1000
with serial number ≤ 11831, which has only 2 MB of SRAM, may not have
enough memory to receive it under some circumstances. If problems are
encountered with a 2 MB CR1000, sending the OS over a direct serial connection
is usually successful.
The operating system is updated with one of the following tools:
7.7.2.1.1 OS Update with DevConfig Send OS Tab
Using this method results in the CR1000 being restored to factory defaults. The
existing OS is over written as it is received. Failure to receive the complete new
OS will leave the CR1000 in an unstable state. Use this method only with a direct
hardwire serial connection.
How
Use the following procedure with DevConfig: Do not software Connect to the
CR1000.
1. Select CR1000 from the list of devices at left
2. Select the appropriate communication port and baud rate at the bottom left
3. Click the Send OS tab located at the top of DevConfig window
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