Onset RXW-RPTR-900 Operating Manual

HOBO® RX Wireless Sensor Network

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HOBO RXW Repeater (RXW-RPTR-xxx) Manual

The HOBO RXW Repeater is designed to work with the HOBOnet Wireless Sensor Network in
which data is transmitted wirelessly from sensor motes across the network to the RX3000 station
and then uploaded to HOBOlink® web-based software. The repeater is ideal when there is an
obstruction between motes and the station or for extending the transmission range of motes in
the network. With HOBOlink, you can monitor the network, view graphs, set up alarms, download
data, and more.

Specifications

HOBO RXW Repeater

Models:

• RXW-RPTR-900 (US)

• RXW-RPTR-868 (Europe)

• RXW-RPTR-922

(Australia/NZ)

Included Items:

• Cable ties

• Screws

perating Temperature

Range

Radio Power 12.6 mW (+11 dBm) non-adjustable

Transmission Range Reliable connection to 457.2 m (1,500 ft) line of sight at 1.8 m (6 ft) high

Wireless Data Standard IEEE 802.15.4

Radio Operating
Frequencies

Modulation Employed OQPSK (Offset Quadrature Phase Shift Keying)

Data Rate Up to 250 kbps, non-adjustable

Duty Cycle <1%

Maximum Number of
Motes

Battery Type/
Power Source

Battery Life With NiMH batteries: Typical 3–5 years when operated in the temperature

Dimensions 16.2 x 8.59 x 4.14 cm (6.38 x 3.38 x 1.63 inches)

Weight 219 g (7.74 oz)

Materials PCPBT, silicone rubber seal

Environmental Rating IP67, NEMA 6

ompliance Marks RXW-RPTR-900: See last page

-25° to 60°C (-13° to 140°F) with rechargeable batteries

-40 to 70°C (-40 to 158°F) with lithium batteries

Reliable connection to 609.6 m (2,000 ft) line of sight at 3 m (10 ft) high

RXW-RPTR-900: 904–924 MHz
RXW-RPTR-868: 866.5 MHz
RXW-RPTR-922: 916–924 MHz

50 motes per one RX Wireless Sensor Network

Two AA 1.2V rechargeable NiMH batteries, powered by built-in solar panel
or two AA 1.5 V lithium batteries for operating conditions of -40 to 70°C (­40 to 158°F)

range -20° to 40°C (-4°F to 104°F) and positioned toward the sun (see
Deployment and Mounting), operation outside this range will reduce the
battery service life

With lithium batteries: 1 year, typical use

RXW-RPTR-868: The CE Marking identifies this product as
complying with all relevant directives in the European Union
(EU).

RXW-RPTR-922: See last page

22249-A

Components and Operation

Mounting
Tab

Solar Panel

Repeater Closed, Front Repeater Closed, Back

Solar Panel Cable

Mounting Tab: Use the tabs at the top and bottom of the
repeater to mount it (see Deploying and Mounting).

Solar Panel: Position the solar panel towards the sun to charge
the repeater batteries (see Deploying and Mounting).

Eyelet: Use this eyelet to attach a 3/16 inch padlock to the
repeater for security.

Latch: Use the two latches to open and close the repeater door.

Ground Wire Port: Use this port to connect a ground wire (see

Deploying and Mounting).

Antenna: This is the built-in antenna for the radio
communications across the RX Wireless Sensor Network.

Solar Panel Cable: This cable connects the built-in solar panel
to the repeater circuitry.

LEDs: There are two LEDs to the left of the LCD screen. The
green LED blinks during the process of joining a network,
blinking quickly while the repeater searches for a network and
then slowly as the repeater registers with the network. Once
the network registration process is complete, the blue LED
blinks at 4 seconds to indicate normal operation. If the repeater
is not currently part of a network, the blue LED will be off. If the
blue LED is on and not blinking, there is a problem with the
repeater. Contact Onset Technical Support.

Battery Holder: The location where the batteries are installed
as shown (see Battery Information).

USB Port: Use this port to connect to the repeater to a
computer via USB cable if you need to update the firmware
(see Updating Repeater Firmware).

Button: Push this button for 1 second to illuminate the LCD or 3
seconds for the repeater to search for an RX Wireless Sensor

Latch

Eyelet

Ground Wire
Port

LEDs

Antenna

LCD Screen

Button

USB Port

Battery Holder

Repeater Opened

HOBO RXW Repeater (RXW-RPTR-xxx) Manual

Network to join (see Adding the Repeater to the RX Wireless
Sensor Network).

LCD Screen: The repeater is equipped with an LCD screen that
displays details about the current status. This example shows all
symbols illuminated on the LCD screen followed by definitions
of each symbol in the table.

LCD Symbol Description

The battery indicator shows the approximate battery
charge remaining.

This is a signal strength indicator. The more bars, the
stronger the signal between motes. If there is no x
icon next to the signal strength indicator, then the
repeater is part of an RX Wireless Sensor Network.

An empty signal strength icon plus the x icon
indicates that the repeater is not currently part of a
network. See Adding the Repeater to the RX Wireless
Sensor Network for details on how to add it to the
network.

When the repeater is in the process of joining a
network, the signal strength icon will blink and then
the bars in the icon will cycle from left to right. The x
icon will blink during the last step in the network
registration process (see Adding the Repeater to the
RX Wireless Sensor Network for details).

Adding the Repeater to the RX Wireless Sensor
Network

The repeater must join an RX Wireless Sensor Network before it
can begin transmitting data. This requires accessing the RX3000
station and the repeater at the same time so it is recommended
that you complete these steps before deploying the repeater.

Important: If you have not configured the RX3000 station with
the RXW Manager, follow the instructions in the RX3000 Quick
Start before continuing.

To add a repeater to the RX Wireless Sensor Network:

1. If the LCD is blank on the RX3000 station, press any button
to wake it up.

2. Press the Select button once (which shows the number of
smart sensors installed) and then press it again once if the
HOBO RXW Manager is installed in the left slot (module 1)
or twice if it is installed on the right slot (module 2).

Press this button to view the module
where the RXW Manager is installed

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