NI WSN-3212 4 Ch, 24-Bit, Programmable Thermocouple Input Node

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  • Programmable with the NI LabVIEW Wireless Sensor Network (WSN) Module Pioneer
  • Customize node to extend battery life, increase performance, and perform local control and analysis
  • Up to 3-year battery life
  • Support for J, K, R, S, T, N, B, E thermocouple types
  • Four DIO channels configurable for input, sinking, or sourcing output, and value change detection
  • Industrial ratings: -40 to 70 °C operating temperature, 50 g shock, 5 g vibration
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The NI WSN-3212 measurement node is a wireless device that provides four 24-bit thermocouple input channels and four bidirectional digital channels that you can configure on a per-channel basis for input, sinking output, or sourcing output or that you can program to respond to digital value change events. The 18-position screw-terminal connector delivers direct connectivity to J, K, R, S, T, N, B, and E thermocouple types. You can power the measurement node with four 1.5 V, AA alkaline battery cells, with operation up to three years on battery power, or you can externally power them with a 9 to 30 V supply (not included).

With the LabVIEW Wireless Sensor Network (WSN) Module Pioneer, you use graphical programming to customize the node’s behavior, adding intelligence to extend battery life; increase analog and digital input performance; perform local control, analysis, and data reduction; and interface with sensors. The default behavior of an NI measurement node is to transmit every sample acquired to the gateway; however, this is not a requirement for many applications. You can use LabVIEW WSN Pioneer to average samples over time and provide threshold or deadband logic, so you can extend battery life by transmitting only meaningful data. Additionally, you can increase acquisition rates on the node by not incurring the overhead of transmitting each sample after acquisition. Using LabVIEW WSN Pioneer, you can then perform processing and data reduction on the node. LabVIEW WSN applications are downloaded wirelessly to NI WSN measurement nodes, allowing seamless updates to deployed nodes.

A 2.4 GHz radio is used to wirelessly transmit data to the WSN gateway, where you can connect through Ethernet to other network devices. NI-WSN software delivers easy network configuration in NI Measurement & Automation Explorer (MAX) and data extraction with LabVIEW software.

You can configure the WSN-3212 as a mesh router to increase network distance and connect more nodes to your gateway. You can connect eight end nodes (star topology) or up to 36 measurement nodes (mesh topology) to a single WSN gateway, with outdoor range up to 300 m with line of sight. The device also offers industrial temperature and shock and vibration ratings. Wireless products require certification based on the geographic region of use. Consult the Wireless Product Certifications document linked from the Resources tab to determine which products are certified in your region.

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Specifications Documents

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Specifications Summary

General
Product Name Programmable WSN-3212
Product Family Wireless Sensor Networks
Part Number 780998-12 , 780998-02
Operating System/Target Real-Time , Windows
LabVIEW RT Support Yes
Form Factor Wireless
Measurement Type Digital , Temperature , Thermocouple
Product Certifications RoHS , FCC Part 15 , CE , IEC , FCC
RoHS Compliant Yes
Mounting Options DIN
Signal Conditioning Open thermocouple , Cold-junction compensation
Analog Input
Channels 4 , 0
Single-Ended Channels 0
Differential Channels 4
Resolution 24 bits
Analog Output
Channels 0
Digital I/O
Bidirectional Channels 4
Input-Only Channels 0
Output-Only Channels 0
Timing Software
Current Drive Single 500 mA
Current Drive All 500 mA
Counter/Timers
Counters 0
Wireless
Wireless Sensor Network Power Battery or External Powered
Node Programmability Programmable
Wireless Standard IEEE 802.15.4
Transmission Power North America 17 dB
Transmission Power International 10 dB
User Flash Size 248 kB
Flashes per Sector 100000
Directivity Omni
Physical Specifications
Length 42.31 mm
Width 85.85 mm
Height 123.98 mm
Minimum Operating Temperature -40 °C
Maximum Operating Temperature 70 °C
Minimum Storage Temperature -40 °C
Maximum Storage Temperature 70 °C
Part Number Description Est Ship  US Dollars Qty
WSN Measurement Node
780998-024-Ch, 24-bit Programmable Thermocouple Input Node (Americas)5 - 10$ 732.00
Accessories
780703-01NI PS-9 Desktop Power Supply, 12 VDC, 1.25 A, 100-240 VAC Input5 - 10$ 47.00
763000-01Power Cord, AC, U.S., 120 VAC, 2.3 meters10 - 15$ 9.00
780994-01NI WSN-3291, WSN Node Enclosure w/ ext antenna and 2 I/O glands5 - 10$ 174.00
780702-012-Position Screw Terminal Kit for Power Supply Connection, Qty 45 - 10$ 9.00
196375-01NI 9971 Backshell for 2-pos connector block (qty 4)5 - 10$ 31.00
781077-01Extra 18-pos connectors for NI WSN-3212. 1 top entry 1 side entryCall$ 31.00
780999-01NI WSN-3280 WSN Node Panel Mount w/ node lock & strain relief12 - 20$ 65.00
781073-01NI WSN-3281 Magnetic Panel Mount Kit w/ node lock & strain relief12 - 20$ 65.00
780704-01Replacement 2.4 GHz Omni-directional Antenna, 2 dBi, RP-SMACall$ 54.00

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Additional Product Information

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