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NI C Series User Manual And Specifications

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USER GUIDE AND SPECIFICATIONS
NI 9795 WSN C Series Gateway
This user guide describes how to use the NI 9795 Wireless Sensor
Network gateway and lists specifications. The NI 9795 combines
with NI WSN-32xx nodes to form a wireless sensor network.
Figure 1. NI 9795 WSN Gateway

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  • Page 1 USER GUIDE AND SPECIFICATIONS NI 9795 WSN C Series Gateway This user guide describes how to use the NI 9795 Wireless Sensor Network gateway and lists specifications. The NI 9795 combines with NI WSN-32xx nodes to form a wireless sensor network.
  • Page 2 5 Ethernet Network (not pictured) Figure 2. NI WSN System Components Figure 2 shows the components of the NI WSN system. A NI WSN system consists of one NI WSN gateway, up to 36 NI WSN-32xx nodes per gateway, and multiple PCs or Programmable Automation Controllers (PACs) to receive and analyze the distributed sensor data.

  • Page 3: Safety Guidelines

    If the product is damaged, return it to National Instruments for repair. If you need to clean a NI WSN product, wipe it Caution with a dry towel. The product must be completely dry and free from contaminants before you return it to service.

  • Page 4: Safety Guidelines For Hazardous Locations

    Safety Guidelines for Hazardous Locations The NI 9795 is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4 and Ex nA IIC T4 hazardous locations; and nonhazardous locations only.

  • Page 5: Electromagnetic Compatibility Guidelines

    IEC 60529 and EN 60529. Special Conditions for Hazardous Locations Use in Europe The NI 9795 has been evaluated as Ex nA nL IIC T4 equipment under DEMKO Certificate No. 07 ATEX 0626664X. Each gateway is marked II 3G and is suitable for use in Zone 2 hazardous locations, in ambient temperatures of –40 °C ≤...
  • Page 6 To ensure the specified EMC performance, Caution operate this product only with approved accessories. NI 9795 User Guide and Specifications ni.com...

  • Page 7: Software Overview

    I/O channels. The NI-WSN driver software is on the software installation disc included with your NI 9795 gateway device. The NI-WSN driver software is supported by Windows 7/Vista/XP and contains the following components: •...

  • Page 8: What You Need To Get Started

    NI CompactRIO chassis with Scan Mode support. For more and enter information, visit ni.com/info rdsoftwareversion Use only one NI 9795 WSN C Series Gateway per Note NI CompactRIO chassis. • NI 9795 WSN gateway NI 9795 User Guide and Specifications...
  • Page 9 Related hardware and software documentation Unpack the Device and Install the Antenna Remove the device from the package and inspect the device. Contact NI if the device appears damaged. Do not install a damaged device. The device is static sensitive. Always properly...
  • Page 10 Figure 3. Attach Antenna to Device Refer to the NI 9795 WSN Gateway Getting Started Guide for more information about how to get started using your device. NI 9795 User Guide and Specifications ni.com...

  • Page 11: Device Interface

    Device Interface Figure 4 shows the NI 9795 device interface. NI 9795 Status Gateway 1 Antenna RP-SMA Connector 2 Status LED Figure 4. NI 9795 Device Interface © National Instruments Corp. NI 9795 User Guide and Specifications...
  • Page 12 Using the NI 9795 Adding, Removing, and Replacing NI WSN-32xx Devices Use NI MAX to add and remove nodes to and from your NI Wireless Sensor Network.You can add and remove NI WSN-32xx devices while the system is operating and without powering down the NI WSN system.

  • Page 13: Mesh Networking

    NI Wireless Sensor Networks The NI WSN system is built on an IEEE 802.15.4 wireless mesh network. The 802.15.4 radio in each NI WSN device provides for low-power communication of measurement data across a large network of devices. The NI-WSN software builds on top of that to provide network configuration and reliable communication from the host PC or PAC to the NI WSN-32xx nodes.
  • Page 14 Each time a node joins through a router, the overall throughput of that node is halved, because that the node must hop to get its messages back to the gateway. Figure 5 shows an example of one possible mesh configuration. NI 9795 User Guide and Specifications ni.com...
  • Page 15 However, the configuration above does not always mesh in the same way. Figure 6 shows another possible configuration for the same network. © National Instruments Corp. NI 9795 User Guide and Specifications...
  • Page 16 National Instruments recommends configuring your system for no more than three hops. Configuring multiple nodes as routers and placing them within close proximity NI 9795 User Guide and Specifications ni.com...
  • Page 17 Another advantage of the mesh network is the ability to extend the distance of the end measurement from the wired gateway. By © National Instruments Corp. NI 9795 User Guide and Specifications...
  • Page 18 Refer to the Specifications section for typical line of sight ranges for the NI WSN devices. Figure 8 shows how a network can be set up to cover greater distances. Figure 8. Network Containing Distance Example...
  • Page 19 NI WSN-32xx nodes configured as end nodes 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 Transfer in the NI WSN Network The NI WSN system is built on a low-power, reliable IEEE 802.15.4 network.
  • Page 20 Figure 9 shows a network consisting of one gateway, two routers, and nine end nodes. Figure 9. Stranded Node Problem, Example 1 NI 9795 User Guide and Specifications ni.com...
  • Page 21 In this case, all nodes have properly meshed, and all nodes can communicate with the gateway. However, this network could potentially strand end nodes. Figure 10 shows another possible mesh of the same network. Figure 10. Stranded Node Problem, Example 2 © National Instruments Corp. NI 9795 User Guide and Specifications...

  • Page 22: Specifications

    ......1 Supported mode ....... RIO Scan Interface The NI 9795 requires that the NI CompactRIO chassis is configured in RSI scan mode. For more information about which NI CompactRIO chassis supports scan interface, go to and enter ni.com/info...

  • Page 23: Wireless Characteristics

    Modulation type........ DSSS (O-QPSK) Requires at least 4 nodes configured as routers in MAX. Router nodes can also take measurements. NI recommends that router nodes be externally powered as the radio is always on to route wireless traffic. Due to regulations, the frequency bands depend upon the country of operation.

  • Page 24: Power Requirements

    Weight..........Approx. 137 g (4.8 oz) Weight with antenna ......Approx. 145 g (5.1 oz) For two-dimensional drawings and three-dimensional Note models of the C Series modules and connectors, visit and search by module number. ni.com/dimensions NI 9795 User Guide and Specifications...
  • Page 25 Class I, Zone 2, Ex nA IIC T4 Europe (DEMKO)......Ex nA IIC T4 Safety Standards The NI 9795 is designed to meet the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use: •...

  • Page 26: Electromagnetic Compatibility

    • EN 61326-1 (IEC 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 NI 9795 User Guide and Specifications ni.com...
  • Page 27 This product meets the essential requirements of applicable European Directives as follows: • 2006/95/EC; Low-Voltage Directive (safety) • 2004/108/EC; Electromagnetic Compatibility Directive (EMC) • 1999/5/EC; Radio and Telecommunications Terminal Equipment (R&TTE) Directive © National Instruments Corp. NI 9795 User Guide and Specifications...

  • Page 28: Online Product Certification

    (IEC 60068-2-27)......30 g, 11 ms half sine, 50 g, 3 ms half sine, 18 shocks at 6 orientations Environmental Operating temperature (IEC-60068-2-1 and IEC-60068-2-2)......... –40 to 70 °C Storage temperature (IEC-60068-2-1 and IEC-60068-2-2)......... –40 to 85 °C NI 9795 User Guide and Specifications ni.com...

  • Page 29: Regulatory Information United States

    (2) this device must accept any interference received, including interference that may cause undesired operation. Canada This product complies with Industry Canada RSS-210. Cet appareil est conforme aux norme RSS210 d’Industrie Canada. © National Instruments Corp. NI 9795 User Guide and Specifications...
  • Page 30 300 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. NI 9795 User Guide and Specifications ni.com...
  • Page 31 Verificare con i rivenditori la procedura da seguire. Nederland: License required for outdoor installations. Check with reseller for procedure to follow. Licentie verplicht voor gebruik met buitenantennes. Neem contact op met verkoper voor juiste procedure. © National Instruments Corp. NI 9795 User Guide and Specifications...
  • Page 32 Japan The certified radio equipment is embedded in this device. 本機器には認証済み無線設備が内蔵されています Singapore Complies with IDA Standards DA105692 Taiwan R.O.C. NI 9795 User Guide and Specifications ni.com...
  • Page 33 EU Regulatory Statements Česky National Instruments tímto prohlašuje, _e tento NI 9795 je ve shodě se základními [Czech] po_adavky a dalšími příslušnými ustanoveními směrnice 1999/5/ES. Dansk Undertegnede National Instruments erklćrer [Danish] herved, at fřlgende udstyr NI 9795 overholder de vćsentlige krav og řvrige relevante krav i direktiv 1999/5/EF.
  • Page 34 Directive 1999/5/EC. Español Por medio de la presente National Instruments [Spanish] declara que el NI 9795 cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999/5/CE. Ελληνική ΜΕ ΤΗΝ ΠΑΡΟΥΣΑ National Instruments ΔΗΛΩΝΕΙ...
  • Page 35 Latviski Ar šo National Instruments deklarē, ka NI 9795 atbilst Direktīvas 1999/5/EK būtiskajām [Latvian] prasībām un citiem ar to saistītajiem noteikumiem. Lietuvių Šiuo National Instruments deklaruoja, kad šis [Lithuanian] NI 9795 atitinka esminius reikalavimus ir kitas 1999/5/EB Direktyvos nuostatas. Nederlands...
  • Page 36 National Instruments declara que este NI 9795 [Portuguese] está conforme com os requisitos essenciais e outras disposições da Directiva 1999/5/CE. Slovensko National Instruments izjavlja, da je ta NI 9795 v skladu z bistvenimi zahtevami in ostalimi [Slovenian] relevantnimi določili direktive 1999/5/ES. Slovensky National Instruments týmto vyhlasuje, _e...

  • Page 37: Environmental Management

    Íslenska Hér með lýsir National Instruments yfir því að [Icelandic] NI 9795 er í samræmi við grunnkröfur og aðrar kröfur, sem gerðar eru í tilskipun 1999/5/EC. Norsk National Instruments erklærer herved at utstyret [Norwegian] NI 9795 er i samsvar med de grunnleggende krav og øvrige relevante krav i direktiv 1999/5/EF.
  • Page 38 For additional environmental information, refer to the NI and the Environment Web page at . This page ni.com/environment contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document. Waste Electrical and Electronic Equipment (WEEE)

  • Page 39: Where To Go For Support

    At you have access to ni.com/support everything from troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers. National Instruments corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas, 78759-3504. National Instruments also has offices located around the world to help address your support needs.
  • Page 40 LabVIEW, National Instruments, NI, ni.com, the National Instruments corporate logo, and the Eagle logo are trademarks of National Instruments Corporation. Refer to the Trademark Information at ni.com/trademarks for other National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies.

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