4
Keyboard Display
e CR1000KD can be used to program the CR1000,
manually initiate data transfer, and display data. e
CR1000KD displays 8 lines x 21 characters (64 x 128
pixels) and has a 16-character keyboard. Custom
menus are supported allow-
ing customers to set up choices
within the datalogger program
that can be initiated by a simple
“toggle” or “pick list”.
Portable Handheld Devices
An Archer-PCon or user-supplied PDA can be used to
collect and display the CR1000’s data, transfer datalog-
ger programs, graph data for up to two elements, and
transfer the datalogger’s data to a PC. User-supplied PDAs
require either PConnect or PConnectCE so ware.
Direct Links
AC-powered PCs connect with the datalogger’s CS I/O
port via an SC32B or SC-USB interface. ese inter-
faces provide optical isolation. A battery-powered lap-
top can be attached to the CR1000’s RS-232 port via an
RS-232 cable—no interface required.
External Data Storage Devices
A CFM100 or NL115 module can store the CR1000’s data
on an industrial-grade CompactFlash (CF) card (2 GB
or less). e PC reads the CF card using either the CF1
CompactFlash Adapter or a 17752 USB Reader/Writer.
e CR1000 can also store data on an SC115 2-GB
Flash Memory Drive. is light-weight device can
easily be carried to the PC for data download.
CD295 DataView II Display
is two-line, 32-character LCD displays one real-time
value, a description, and units. It is typically mounted
in an enclosure lid, which allows customers to view the
CR1000’s data on-site without opening the enclosure.
Short Haul Modems
e SRM-5A RAD Short Haul Modem supports com-
munications between the CR1000 and a PC via a four-
wire unconditioned line (two twisted pairs).
Multidrop Interface
e MD485 intelligent RS-485 interface permits a
PC to address and communicate with one or more
dataloggers over the CABLE3CBL cable. Distances
up to 4000 feet are supported.
Ethernet
Use of an NL120, NL115, or NL100 interface enables
the CR1000 to communicate over a local network or a
dedicated Internet connection via TCP/IP. e NL115
can also store data on a CompactFlash card.
Radios
Radio frequency (RF) communications are supported
via narrow-band UHF, narrow-band VHF, spread
spectrum, or meteor burst radios. Line-of-sight is
required for all of our RF options.
Telephone Networks
e CR1000 can communicate with a PC using land-
lines, cellular CDMA, or cellular GPRS transceivers.
A voice synthesized modem enables anyone to call the
CR1000 via phone and receive a verbal report of real-
time site conditions.
Satellite Transmitters
Our NESDIS-certi ed GOES satellite transmitter pro-
vides one-way communications from a Data Collection
Platform (DCP) to a receiving station. We also o er a
METEOSAT transmitter for European applications.
Data Storage and Retrieval Options
To determine the best option for an application, consider the accessibility of the site, availability of services (e.g., cellular phone or
satellite coverage), quantity of data to collect, and desired time between data-collection sessions. Some communication options can
be combined—increasing the exibility, convenience, and reliability of the communications.
One CR1000KD can be
carried from station to sta-
tion in a CR1000 network.
This weather station at Denali National Park, Alaska, transmits data
via a GOES satellite transmitter.
(12 pagine)
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