© 2012
Campbell Scientic, Inc.
January 11, 2013
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Operating System (OS) Options Descriptions
PakBus OS
Considered the standard for the RF500M, the -PB OS uses TDRF poll-
ing to quickly and eciently move data through a network. Each
station can be individually dialed by LoggerNet. This OS is compat-
ible with -TD, -PB, and our current generation of PakBus dataloggers.
ALERT Dual Mode OS
The ALERT (Automated Local Evaluation in Real Time) OS allows
for transmission, repeating, and reception of binary ALERT format-
ted data. It is a derivative of the -PB OS, and therefore supports
both ALERT and TDRF communications (allowing true two-way
communication with a station). This OS is compatible with the
CR200(X)-series, CR800-series, CR1000, and CR3000 dataloggers.
Dial OS
The dial OS works with both mixed-array and PakBus/table-based
dataloggers. Each station can be dialed by LoggerNet for down-
loading data, sending programs, and performing other tasks. Ad-
ditionally, this OS allows stations to create point-to-point networks
for sharing of measurement and control tasks.
WS034YAG
(weather stations)
Ordering Information
Radio Modem
Must choose an OS option and a radio jumper setting option (see below).
RF500M Radio Modem.
OS Options (see discussion at right)
-PB PakBus OS.
-AL ALERT Dual Mode OS.
-DA Dial OS.
Radio Jumper Setting Options
-MJ Jumper for RF320-series or RF310-series radios.
-RJ Jumper for RF300-series radios.
-UJ Jumper for radios purchased directly from DRL.
Temperature Range Options
-ST Standard -25° to +50°C (default).
-XT Extended -55° to +85°C.
Warranty Length Options
-SW Standard one year warranty (default).
-XW Four year warranty extension.
Accessories
10873 9-pin female to 9-pin male serial data cable (6 ft); cable is
required to connect RS-232 digital radios.
SC532A CS I/O Peripheral to RS-232 Interface; this interface is required
to connect a PC to the modem’s CS I/O port. Typically the PC
connects to the modem’s RS-232 port, but the modem’s CS I/O
port can be used if a digital radio is already connected to the
modem’s RS-232 port.
15966 Wall Charger 12 Vdc, 800 mA Output, 100 to 240 Vac, 50 to 60 Hz
with Barrel Plug, 6 ft Cable.
14291 Field Power Cable 12 Vdc Plug to Pigtail (2 ft ) connects with a
12 Vdc power supply.
14020 Field Power Cable CS I/O to 12 Vdc Barrel Plug (2 ft) connects
with datalogger.
Specications
Voltage: 7 to 20 Vdc
Dimension: 160 x 95 x 22 mm (6.31 x 3.69 x 0.88 in.)
Weight: 0.18 kg (0.4 lb)
Current Drain
Active: <15 mA
Quiescent: <350 μA
At the eld station, the
RF500M modem functions
as a communication inter-
face between the datalog-
ger and radio. Field stations
are located at the measure-
ment site. This eld station
uses a Yagi antenna to
transmit the data.
The RF500M can be used as a
stand-alone repeater. Repeater
stations provide a communica-
tion relay between stations
that cannot communicate
directly due to distance or ob-
stacles. Repeater stations use
omnidirectional antennas.
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