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8/9/2019 NI Wireless Sensor Networks Products, Architectures, Features, Specs)
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NI Wireless Sensor Networks
Architectures, Products, Features,
Specifications
Davide Palandella
National Instruments Italy
8/9/2019 NI Wireless Sensor Networks Products, Architectures, Features, Specs)
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National Instruments Confidential 2
Real World Customers
Environmental
Monitoring
Structural Health
Monitoring
Industrial
Monitoring
Resource & Utility
Monitoring
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National Instruments Confidential 3
WSN Applications
Long-Term Data Logging 1-3 year battery power
Sample rates around 1 S/s
Industrial ratings
Remote Monitoring
Range up to 300m
External power not necessary
Outdoor enclosures available
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National Instruments Confidential 4
WSN 1.0 WSN (Future)
Wireless Application Areas
Environmental
Monitoring
Resource
MonitoringIndustrial
Measurements
Process
Monitoring
Air/
Climate
Water/
SoilPower
Monitoring
Solar
Monitoring
Wind Farm
Monitoring
Machine
Condition
Monitoring
Indoor
MonitoringStructural
Health
Monitoring
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National Instruments Confidential 5
3rd PartyNI WSN
NI Wireless Platform
Wireless Measurements
Wireless DAQ
Wireless Test
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National Instruments Confidential 6
Wireless Measurements
USB Ethernet
Wireless DAQ
Wireless (WSN) I/O
Nodes
PACs and Wireless APs
DataAcquisition
EmbeddedMeasurements
NI-DAQmx Waveform
Line Power
Variables Single point
Battery powered
http://digital.ni.com/express.nsf/bycode/expwu4http://images.forbes.com/images/2002/05/09/0509tentech_225x235.jpg8/9/2019 NI Wireless Sensor Networks Products, Architectures, Features, Specs)
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Low-Power. Reliable. NI Wireless Sensor Networks
8/9/2019 NI Wireless Sensor Networks Products, Architectures, Features, Specs)
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System Architecture
DatabaseServers
LabVIEWReal-Time
LabVIEW forWindows
WSN
Measurement
Nodes
Wireless EnabledSmart Objects
WorldwideWeb
LabVIEW
WSNGateway
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Configuring NI WSN Hardware and Software
WSN Ethernet Gateway
WSN MeasurementNodes
Host Controller
Voltage
Temperature
Ethernet
External Power
Network
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NI-WSN Software
LabVIEW Project Integration Auto detection of nodes
Drag-and-drop Variables
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NI WSN-9791Wireless Sensor Network Ethernet Gateway
Features
2.4 GHz, IEEE 802.15.4 radio
10/100 Ethernet
Outdoor range up to 300 m
9-30 VDC power input
Specifications
2U Compact Form Factor
Panel or DIN rail mounting
Industrial ratings Operating temperature -30 to 70 C
50 grms shock 5 g vibration
Status LEDs
8/9/2019 NI Wireless Sensor Networks Products, Architectures, Features, Specs)
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NI WSN-3202 and NI WSN-3212Wireless Sensor Network Measurement Nodes
Common Features 2.4 GHz IEEE 802.15.4 radio
Outdoor range up to 300 m
Greater than 3 year battery life with 4 AA batteries
Optional 9-30 VDC power input
Configurable as a mesh router
Four bi-directional DIO lines
Industrial ratings Operating temperature -40 to 70 C
50 grms shock 5 g vibration
Node AI DIO Sample
Interval
Sample
Rate
Resolution
(bits)
Features
NI WSN-3202
Analog Input Node
4 4 1 second 60
samples/min
16 Sensor power: 20 mA @ 12V
Input Ranges: 10 V, 5 V, 2
V, 0.5 V
NI WSN-3212
Thermocouple Input Node
4 4 2 seconds 30
samples/min
24 Supports types J, K, R, S, T,
N, B, E
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NI WSN Power Consumption
Mode
Internal Batteries,(3.6 7.5 V)
End Node
External Power (9-30 VDC)
@ Sample IntervalEnd Node Router
NI WSN-3202
Analog Input Node0.5 mW at 6 V 16 mW at 24 V 300 mW at 24 V 60 second
sample intervalNI WSN-3202
Analog Input Node13.3 mW at 6 V 33 mW at 24 V 300 mW at 24 V 1 second sample
interval
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NI WSN Accessories and Starter Kit
Outdoor Enclosure IP Rating Pending
I/O Glands for wire feedthrough
External antenna
NI WSN Starter Kit Ethernet Gateway
2 Programmable Nodes
Sensors and power accessories
LabVIEW Eval. Software
Getting Started GuideNI WSN Starter Kit
NI WSN-3291
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Benefits of Programming WSN
Measurement Nodes
Extend battery life Transmit meaningful data (threshold, averaging, dead-band)
Adapt sample and transmission rates to operating conditions
Perform custom analysis Convert raw data into meaningful information
Interface to sensors
Reduce response time with embedded
decision making
Control actuators without host interaction
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LabVIEW Wireless Sensor Network (WSN)
Module Pioneer
Device functionality
Direct access to I/O channels
Control over data transmission
Programmatic node configuration
LabVIEW Support
Basic structures
Inline C node
Fixed-point and floating-point
Subset of analysis functions
String-based printf debugging
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National Instruments Confidential 18
LabVIEW WSN Functionality
Capabilities Digital change detection
Programmatic node configuration (sample rate,
noise rejection, thermocouple type, etc.)
Local alarming and User LED
32KB user memory for logging
Supported LabVIEW Features While loop, for loop, case structure, etc.)
Inline C node Fixed-point math
Trigonometric, Exponential, Hyperbolic functionpalettes
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National Instruments Confidential 19
LabVIEW WSN Pioneer
Add intelligence with graphical programming
Customize node behavior
Download code updates over the air
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National Instruments Confidential 20
~200 lines of code
1) Set a rate of 1Hz
2) Toggle an LED
3) Acquire and send a sample
4) Update sample rate from host
Graphical or Text-based
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National Instruments Confidential 22
WSN Nodes and Programmable Specs
Node AI
Channels
Sample Interval DIO DI Speed Resolution
(bits)
Power Source
NI WSN-3202
Analog Input Node
4 1 sec / sample
(60 S/min.)
4 1 sec /
sample
16 Internal: sensor power 20
mA @ 12V
External: DO 1 A
NI WSN-3212
Thermocouple Input
Node
4 2 sec / sample
( 30 S/min)
4 2 sec /
sample
24 Internal: X
External: DO 500 mA
Node AI Channels Sample Rates DIO DIO Speed Resolution
(bits)
Power Source
Programmable
NI WSN-3202
Analog Input Node
4 ~60 180
samples/min.
4 DI: 5 S/s
DO: TBD
16 Internal: sensor power 20
mA @ 12V
External: DO 1 A
Programmable
NI WSN-3212
Thermocouple Input
Node
4 ~ 48 60
samples/min.
4 DI: 5 S/s
DO: TBD
24 Internal: X
External: DO 500 mA
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National Instruments Confidential 23
Wireless Terminology
IEEE 802.11, WiFi
Access Point
Repeater
Client
IEEE 802.15.4, NI-WSN
Gateway
Router
End Node
R1
N
G
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National Instruments Confidential 24
NI-WSN, Based IEEE 802.15.4
Frequency: 2.4 GHz
RF Channels: 14 Channels (11-24)
Data Rate: 250 kbits/s Corresponds to 30-60 samples per minute per
channel on WSN Nodes
Provides: Mesh Routing - Ability for network to detect alternative paths
Sleep Mode Ability end node conserve power and maintainreliable communication
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IEEE 802.15.4/ZigBee
Popular for WSN devices IEEE 802.15.4 defines:
868, 915 MHz, and 2.4 GHz radios
Up to 250 kb/s
Low-power communication
ZigBee adds: Device coordination
Network topologies
Interoperability with other wirelessproducts
NI-WSN sits on top of ZigBeelayers Provides authentication, joining,
A/D, DIO
Physical Layer
868 MHz/915 MHz/2.4 GHz
Medium-Access Control Layer
Network Layer
Routing, Network Topologies, and Security
Application Layer
IEEE 802.15.4 ZigBee
Application Framework
User Profiles
ZigBee Device Objects
Device coordination: gateway, router, or
end device
Application Support
Data service and management
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N ti l I t t C fid ti l 26
Network Topologies
Star Mesh
Reliability
Latency
Cluster/Tree
Distance
Complexity
Gateway
Router Node
End Node