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Hobo HOBOnet RXW-ANA Series Manual

Wireless sensor network
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HOBOnet® Wireless Sensor Network
RXW HOBOnet Analog Mote (RXW-ANA-xxx) Manual
RXW HOBOnet Analog Mote
Models:
RXW-ANA-900 (US)
RXW-ANA-868 (Europe)
RXW-ANA-921 (Taiwan)
RXW-ANA-922 (Australia/NZ)
Included Items:
• Grease packet
• Screws and washers
• Cable ties
• 2 cable channels
• Rechargeable battery pack
29331-A
The HOBOnet Analog Mote can accept up to four analog inputs from third-party sensors and
supports excitation power, scaling, and sampling measurements. It is designed to work with the
HOBOnet (HOBO® RX) Wireless Sensor Network in which data is transmitted wirelessly from the
sensor mote across the network to the station and then uploaded to LI-COR Cloud™. With LI-
COR Cloud, you can monitor sensor readings, view graphs, set up alarms, download data, and
more.
Specifications
Analog Input
Input Channels
Four, single-ended
Accuracy
0–25.6 mA DC, ±5 µA ± 0.20% of reading
0 to 160mV, +/-2mV +/-0.25% of reading
0 to 320mV, +/-1mV +/-0.25% of reading
0 to 640mV, +/-0.5mV +/-0.25% of reading
0 to 1.28V, +/-0.25mV +/-0.25% of reading
0 to 2.56V, +/-0.25mV +/-0.25% of reading
0 to 5.12V, +/-0.25mV +/-0.25% of reading
0 to 10.24V, +/-0.25mV +/-0.25% of reading
0 to 20.48V, +/-0.25mV +/-0.25% of reading
Resolution
15 bits
Field Wiring
Two- or three-wire via screw terminals, 16–24 AWG
Minimum/Maximum
0/20.48 V DC
Input Voltage
Minimum/Maximum
0/25.6 mA
Input Current
Minimum Source
20 KΩ
Impedance for Current
Measurement
Excitation Voltage
12 V DC ±5% at 200 mA maximum
Wireless Mote
-20° to 60°C (-4° to 140°F)
Operating 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
Reliable connection to 609.6 m (2,000 ft) line of sight at 3 m (10 ft) high
Wireless Data Standard
IEEE 802.15.4
Radio Operating
RXW-ANA-900: 904–924 MHz
Frequencies
RXW-ANA-868: 866.5 MHz
RXW-ANA-921: 921 MHz
RXW-ANA-922: 916–924 MHz
Modulation Employed
OQPSK (Offset Quadrature Phase Shift Keying)
Data Rate
Up to 250 kbps, non-adjustable
Duty Cycle
<1%
Maximum Number of
Up to 50 wireless sensors or 336 data channels per one HOBO RX station
Motes
Logging Rate
1 minute to 18 hours
Number of Data Channels
4

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Summary of Contents for Hobo HOBOnet RXW-ANA Series

  • Page 1 It is designed to work with the HOBOnet (HOBO® RX) Wireless Sensor Network in which data is transmitted wirelessly from the sensor mote across the network to the station and then uploaded to LI-COR Cloud™. With LI- COR Cloud, you can monitor sensor readings, view graphs, set up alarms, download data, and more.
  • Page 2 RXW HOBOnet Analog Mote (RXW-ANA-xxx) Manual Specifications (continued) Battery Type/ Integrated 1.7-watt solar panel and NiMH rechargeable battery pack; Power Source optional AC power adapter (P-AC-1) or external solar panel (SOLAR-xW) can be used in place of integrated solar panel Typical 3-5 years when operated in the temperature range -20°...
  • Page 3 RXW HOBOnet Analog Mote (RXW-ANA-xxx) Manual USB Port: Use this port to connect to the mote to a computer 2. Press the Select button once (which shows the number of via USB cable if you need to update the firmware (see Updating smart sensors installed) then press it again to switch to the the Mote Firmware).

  • Page 4: Pinout Table

    RXW HOBOnet Analog Mote (RXW-ANA-xxx) Manual The green LED blinks quickly while the mote searches for a Insert the correct wire into the screw terminal (see the network to join and then blinks slowly while it completes pinout table below). Trim the wire to expose 0.25 inches the network registration.

  • Page 5: Installing The Grounding Wire

    RXW HOBOnet Analog Mote (RXW-ANA-xxx) Manual Checking the “Use excitation power” box allows the • Use the two sets of outer holes and 1-5/8 inch saddle-clamp system to power the sensor. Alternatively, third party U-bolts to attach the mote to a tripod or mast (this is the power sources can be used.

  • Page 6: Care And Maintenance

    • cracks, cuts, and splits. • The HOBOnet Wireless Sensor Network can support up to 50 wireless sensors or 336 data channels per one HOBO RX Make sure cables and wires are still fastened securely and • station. any conduit is still intact.

  • Page 7: Battery Information

    RXW HOBOnet Analog Mote (RXW-ANA-xxx) Manual Updating the Mote Firmware If the blue LED turns off abruptly while copying the file or • installing the firmware, a problem has occurred. Contact If a new firmware version is available for the mote, use LI-COR Onset Technical Support for help.
  • Page 8 © 2020–2025 Onset Computer Corporation. All rights reserved. Onset Computer Corporation is owned exclusively and entirely 1-800-LOGGERS (564-4377) (U.S. only) by LI-COR, INC. Onset, HOBO, and HOBOnet are registered trademarks of Onset Computer Corporation. LI-COR Cloud is a www.onsetcomp.com/support/contact trademark of LI-COR, INC. All other trademarks are the property of their respective companies.

This manual is also suitable for:

Hobonet rxw-ana-900Hobonet rxw-ana-868Hobonet rxw-ana-921Hobonet rxw-ana-922

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