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Last Revised: 2011-05-06 13:21:13.0

Wireless Sensor Network Analog Input Nodes
NI WSN-3202, NI WSN-3212, NI WSN-3226

Support for hundreds of nodes to help you create a reliable network to monitor your
assets or environment

Four analog input channels per measurement node

NI-WSN software that provides easy network configuration, drag-and-drop LabVIEW
programming, and support for logging, alarming, and Web-based data visualization

Bidirectional digital channels; configurable for input, sinking output, or sourcing output
(2 to 4 DIO channels per node)
Industrial ratings: -40 to 70 °C operating temperature and 50 g shock, 5 g vibration

Low-power operation, up to 3-year battery life
2.4 GHz, IEEE 802.15.4 radio that provides up to 300 m outdoor range

Overview
The National Instruments wireless sensor network (WSN) platform delivers low-power measurement nodes that offer industrial certifications, reliable networking, and optional weatherproof outdoor
enclosures for long-term, remote monitoring applications. The measurement nodes have direct sensor connectivity and a 2.4 GHz radio to wirelessly transmit data to a WSN gateway. Each
measurement node offers four analog input channels and two to four digital I/O channels that you can configure for input, sinking output, or sourcing output. With graphical NI LabVIEW software, you
can easily configure your network, collect measurement data, trigger alarms through SMS or e-mail, and even view monitoring data within a Web browser.
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Comparison Tables

Model

Analog
Input
Channels

Signal
Type(s)

Resolution Minimum Sample
(bits)
Interval (seconds)

Input
Range(s)

DIO
Channels

DIO
Voltage
Range (V)

Maximum DIO
Sourcing
(aggregate)

Additional Features

NI
Voltage
WSN-3202

4

16

1

±10, ±5, ±2,
±0.5 V

4 (sinking
or
sourcing)

5 to 30

1A

12 V, 20 mA sensor power output

NI
Thermocouple,
WSN-3212 Voltage

4

24

2

±73 mV

4 (sinking
or
sourcing)

5 to 30

500 mA

Support for J, K, R, S, T, N, B, E
thermocouple types

NI
Voltage,
4
WSN-3226 Resistance/RTD

20

1

2 (sinking
±10 V, 400 Ω,
or
4 kΩ, 100 kΩ
sourcing)

5 to 30

1A

12 V, 50 mA sensor power output,
50/60 Hz rejection, battery backup
support
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Application and Technology
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