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NI WSN-9791 User Guide and Specifications

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Specifications

These specifications are typical at 25 °C unless otherwise noted. For the NI WSN-32

specifications,

refer to the device user guides.

Wireless Characteristics

Radio mode ............................................................IEEE 802.15.4

RF data rate ............................................................250 kbits/s

Frequency band

....................................................ISM 2.4 GHz (2400 MHz to 2483.5 MHz)

Channels

...............................................................11–24

TX power

Modulation type .............................................DSSS (O-QPSK)

Receiver sensitivity ........................................–102 dBm

Antenna

Connector.......................................................Female RP-SMA connector

VSWR ............................................................MAX 2.0

Impedance ......................................................50

Directivity ......................................................Omni

Nominal gain..........................................................1.5 dBi

Ethernet

Network interface...................................................100 BASE-TX, full-duplex;

100 BASE-TX, half-duplex;
10 BASE-T, full-duplex;
10 BASE-T, half-duplex

Network protocols..................................................TCP/IP, UDP

Network IP configuration ......................................DHCP + Link-Local, Static

Communication rates .............................................10/100 Mbits/s, auto-negotiated

Maximum cabling distance ....................................100 m/segment

Due to regulations, the frequency bands depend upon the country of operation.

Due to regulations, the valid channels depend upon country of operation.

Version

Maximum Radio Output

Outdoor Range

Americas

+17 dBm max (50 mW)

Up to 300 m

Europe/Asia

+10 dBm max (10 mW)

Up to 150 m

Содержание WSN-9791

Страница 1: ...ovides an Ethernet data acquisition interface The NI WSN 9791 combines with NI WSN 32xx nodes to form a wireless sensor network Figure 1 shows the components of the NI WSN system Figure 1 NI WSN System Components 1 PC or NI Real Time Hardware Running Application Software 2 NI WSN 9791 Ethernet Gateway 3 NI WSN 32xx Nodes 4 Ethernet Cable Connection 5 9 30 VDC Power Supply Connection 4 5 2 1 3 3 ...

Страница 2: ...791 Ethernet Gateway Dimensions Figure 3 shows the NI WSN 9791 device dimensions Figure 3 NI WSN 9791 Device Dimensions NI WSN 9791 117 54 mm 4 628 in 146 88 mm 5 783 in 165 94 mm 6 533 in 60 18 mm 2 369 in 112 97 mm 4 448 in 88 33 mm 3 478 in 3 088 in 78 44 mm 51 29 mm 2 019 in 44 32 mm 1 745 in 87 50 mm 3 445 in ...

Страница 3: ... Pollution Degree 3 means that conductive pollution occurs or dry nonconductive pollution occurs which becomes conductive due to condensation Caution You must insulate signal connections for the maximum voltage for which the NI WSN product is rated Do not exceed the maximum ratings for the product Do not install wiring while the product is live with electrical signals Do not remove or add connecto...

Страница 4: ...t the primary electrical supply installation 1 000 V Examples include electricity meters and measurements on primary overcurrent protection devices and on ripple control units Safety Guidelines for Hazardous Locations The NI WSN 9791 is suitable for use in Class I Division 2 Groups A B C D T4 hazardous locations Class I Zone 2 AEx nC IIC T4 and Ex nL IIC T4 hazardous locations and nonhazardous loc...

Страница 5: ...use in industrial locations As a result this product may cause interference if used in residential areas Such use must be avoided unless the user takes special measures to reduce electromagnetic emissions to prevent interference to the reception of radio and television broadcasts Caution Changes or modifications not expressly approved by National Instruments could void the your authority to operat...

Страница 6: ...oftware from ni com support Using your web browser go to ni com support and select Drivers and Updates Distributed I O Wireless Sensor Networks then select the latest version of NI WSN software If you are using other software refer to the installation instructions that accompany your software What You Need to Get Started To set up and use NI LabVIEW for WSN with the NI WSN 9791 you need the follow...

Страница 7: ...n in Figure 4 Caution The antenna must be attached to the NI WSN device in order for the NI WSN device to function correctly Figure 4 Attach Antenna to Device Mounting the NI WSN 9791 Device You can mount the NI WSN 9791 device on a panel or on a 35 mm DIN rail For kit accessory ordering information refer to the accessory section of the NI WSN product page at ni com Caution Your installation must ...

Страница 8: ...ual size template You can print it out and use it to determine screw hole placement for panel mounting Figure 5 NI WSN 9791 Panel Mount Dimensions Template NI WSN 9791 3 18 mm 0 125 in 3 18 mm 0 125 in 114 30 mm 4 500 in 45 72 mm 1 800 in 55 88 mm 2 200 in 101 60 mm 4 000 in ...

Страница 9: ...on a flat surface complete the following steps 1 Prepare two holes in your panel 4 448 in 112 97 mm on center to accept the number 8 or M4 pan head screws or bolts 2 Install the front screw first in the mounting panel leaving 08 in space under the head of the screw 3 Slide the NI WSN 9791 front mount under this screw 4 Fasten the rear screw into place through the rear enclosure mount of the NI WSN...

Страница 10: ...ce using a number 1 Phillips screwdriver and four 4 20 5 16 inch length thread forming screws The screws are included in the DIN rail kit 2 Make sure the DIN rail kit is installed as shown in Figure 7 with the larger lip of the DIN rail positioned up Note Use thread forming screws to permanently affix the DIN rail clip to the device Unscrewing and reinstalling the thread forming screws will produc...

Страница 11: ...vice complete the following steps 1 Fasten the plate to the device using a number 1 Phillips screwdriver and four 4 20 5 16 inch length thread forming screws as shown in Figure 9 The screws are included in the NI WSN 3283 panel mount kit Figure 9 Mounting the NI WSN 9791 to the Panel Mount Plate 2 Attach the device and attached plate to a wall or other surface using four to six number 8 or M4 scre...

Страница 12: ...oftware and NI MAX Note The NI Wireless Sensor Network Getting Started Guide is available after installation from Start All Programs National Instruments NI WSN 5 Make sure the NI WSN 9791 device power is disconnected Powering the NI WSN 9791 Device Caution You must use a UL Listed ITE power supply marked LPS with the NI 9791 The power supply must also meet any safety and compliance requirements f...

Страница 13: ... device reboots into Factory Default Mode which returns the device user configuration to the factory set defaults Signal Strength Status LED Indicators The signal strength status LED indicators for the NI WSN 9791 device are listed in Table 1 1 Antenna RP SMA Connector 2 RESET Button 3 RJ45 Ethernet Port 10 100 LED LINK ACT LED 4 9 30 VDC Power Connector 5 LEDs ACTIVITY STATUS and POWER Table 1 LE...

Страница 14: ...ng in the system remain operational and accessible on the network Commands sent to a missing NI WSN 32xx device return an error response but the NI WSN 9791 stores the commands and applies the effects of the commands if a suitable replacement is installed When you remove a NI WSN 32xx device and add a new one the NI WSN 9791 first verifies that the replacement device is compatible with the one tha...

Страница 15: ...dging from the 802 15 4 wireless network to the wired Ethernet network Nodes primarily function as end nodes in the network to collect data and control DIO channels but can also be programmed as routers to relay data from other nodes back to the gateway and Host PC or PAC Use NI MAX to configure nodes as end nodes or routers Figure 1 shows a typical NI Wireless Sensor Network The gateways and node...

Страница 16: ...ork is inherently self forming and self healing However this may also cause network throughput to decrease as there is no way to force a router or end node to join to a particular device in the network Each time a node joins through a router the overall throughput of that node is halved due to the fact that the node must hop to get its messages back to the gateway Figure 12 shows an example of one...

Страница 17: ...communicate directly with the gateway Measurements taken by both devices can directly reach the gateway without having to hop through another node However the configuration above does not always mesh in the same way Figure 13 shows another possible configuration for the same network Figure 13 Same Network Configuration Example R1 G R2 ...

Страница 18: ...ateway National Instruments recommends configuring your system for no more than three hops Configuring multiple nodes as routers and placing them within close proximity introduces the possibility that your system could mesh inefficiently Figure 14 shows how a system could mesh efficiently yet also have the possibility of meshing inefficiently Figure 14 Inefficient Versus Efficient Meshing The netw...

Страница 19: ...d by default at the factory in end node mode You can change the mode of the node using the NI WSN software and NI MAX One trade off to consider when configuring nodes is power consumption NI WSN 32xx nodes configured as end node are designed to be run from battery power while routers are designed to use external power at all times to send receive and buffer messages to and from end nodes Data Tran...

Страница 20: ...onfiguration Additionally the following consideration needs to be taken into account parent devices routers and gateways can only have a maximum of eight end nodes connected to them at a given time This introduces the stranded node problem The stranded node problem exists when a node configured as an end node has the possibility of not being able to join a device node Figure 16 shows a network con...

Страница 21: ...nce Example 2 In this mesh configuration eight end nodes in range of both R1 and R2 join with R1 This leaves one end node stranded from the network This can be corrected in the following two ways 1 Move the set of 8 end nodes to where they can only communicate with R2 This prevents them from possibly joining R1 2 Add an additional router that is in range of the single end node This introduces the ...

Страница 22: ...MA connector VSWR MAX 2 0 Impedance 50 Ω Directivity Omni Nominal gain 1 5 dBi Ethernet Network interface 100 BASE TX full duplex 100 BASE TX half duplex 10 BASE T full duplex 10 BASE T half duplex Network protocols TCP IP UDP Network IP configuration DHCP Link Local Static Communication rates 10 100 Mbits s auto negotiated Maximum cabling distance 100 m segment 1 Due to regulations the frequency ...

Страница 23: ...in the Certification column The NI WSN 9791 is designed to meet the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use IEC 61010 1 EN 61010 1 UL 61010 1 CSA 61010 1 Hazardous Locations U S UL Class I Division 2 Groups A B C D T4 Class I Zone 2 AEx nC IIC T4 Canada C UL Class I Division 2 Groups A B C D T4 Class I Zone 2 Ex nL IIC T...

Страница 24: ...EC 61326 1 Class A emissions Basic immunity EN 55011 CISPR 11 Group 1 Class A emissions AS NZS CISPR 11 Group 1 Class A emissions FCC 47 CFR Part 15B Class A emissions ICES 001 Class A emissions This product also meets the requirements of the following EMC standards for intentional radiators EN 300 328 EN 301 489 1 and EN 301 489 17 FCC 47 CFR Part 15C IC RSS 210 Note For EMC certification and add...

Страница 25: ... cas d une utilisation privée à l extérieur d un bâtiment au dessus d un espace public aucun enregistrement n est nécessaire pour une distance de moins de 300 m Pour une distance supérieure à 300 m un enregistrement auprès de I IBPT est requise Pour les enregistrements et licences veuillez contacter I IBPT Deutschland License required for outdoor installations Check with reseller for procedure to ...

Страница 26: ...ΤΙΣ ΟΥΣΙΩΔΕΙΣ ΑΠΑΙΤΗΣΕΙΣ ΚΑΙ ΤΙΣ ΛΟΙΠΕΣ ΣΧΕΤΙΚΕΣ ΔΙΑΤΑΞΕΙΣ ΤΗΣ ΟΔΗΓΙΑΣ 1999 5 ΕΚ Français French Par la présente National Instruments déclare que l appareil NI WSN 9791 est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 1999 5 CE Italiano Italian Con la presente National Instruments dichiara che questo NI WSN 9791 è conforme ai requisiti essenziali ed al...

Страница 27: ...st zgodny z zasadniczymi wymogami oraz pozostałymi stosownymi postanowieniami Dyrektywy 1999 5 EC Português Portuguese National Instruments declara que este NI WSN 9791 está conforme com os requisitos essenciais e outras disposições da Directiva 1999 5 CE Slovensko Slovenian National Instruments izjavlja da je ta NI WSN 9791 v skladu z bistvenimi zahtevami in ostalimi relevantnimi določili direkti...

Страница 28: ...tions and directives with which NI complies as well as other environmental information not included in this document Waste Electrical and Electronic Equipment WEEE EU Customers At the end of the product life cycle all products must be sent to a WEEE recycling center For more information about WEEE recycling centers National Instruments WEEE initiatives and compliance with WEEE Directive 2002 96 EC...

Страница 29: ...elephone support in the United States create your service request at ni com support and follow the calling instructions or dial 512 795 8248 For telephone support outside the United States contact your local branch office Australia 1800 300 800 Austria 43 662 457990 0 Belgium 32 0 2 757 0020 Brazil 55 11 3262 3599 Canada 800 433 3488 China 86 21 5050 9800 Czech Republic 420 224 235 774 Denmark 45 ...

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