WSDA - MicroStrain
Contents
1. The suite includes the following programs e Node Commander is used for configuring nodes and acquiring viewing and saving data e Live Connect isa TCP IP to serial conversion tool that translates the communications between Node Commander and an Ethernet gateway This program is only used with the WS DA 1500 LXRS or other Ethernet gateways WSDA Data Downloader is used to download acquired data from the flash memory card embedded in an applicable gateway to a host computer This program is only used with the WS DA 1500 LXRS or other Ethernet gateways SensorCloud is an optional data collection visualization analysis and remote management tool It is based on cloud computing technology and is accessed directly from a web connection Automatic real time data collection is available through Ethernet gateways such as the WSDA 1500 LXRS Data files can also be easily uploaded For more information see Data Handling on page 24 Users can also design custom programs with the open source data communications protocol see References on page 57 W4 LORD MicroStrain a SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 2 System Connections To acquire sensor data the following components are needed user supplied external sensors as applicable a LORD MicroStrain wireless sensor node a LORD MicroStrain data gateway and a local or networked host computer with2. LORD USER MANUAL WSDA Base 104 Wireless USB Base Station W4 LORD MicroStrain SENSING SYSTEMS W4 LORD MicroStrain SENSING SYSTEMS MicroStrain Sensing Systems 459 Hurricane Lane Suite 102 Williston VT 05495 United States of America Phone 802 862 6629 Fax 802 863 4093 http www microstrain com sensing support LORD com sensing sales LORD com Copyright O 2015 LORD Corporation 3DM 3DM DH 3DM DH3 3DM GX1 3DM GX2 3DM GX39 3DM GX4 15 3DM GX4 25 3DM GX4 45 3DM GX4 3DM RQ1 3DM GQ4 AIFP Ask Us How Bolt Link DEMOD DC DVRT DVRT Link DEMOD DVRT EH Link EmbedSense ENV Link FAS A G Link G Link2 HS Link IEPE Link Inertia Link Little Sensors Big Ideas Live Connect LXRS MathEngine MicroStrain MVEH MXRS Node Commander PVEH RHT Link RTD Link SensorCloud SG Link Shock Link Strain Wizard TC Link Torque Link V Link Watt Link Wireless Simplicity Hardwired Reliability and WSDA are trademarks of LORD Corporation Document 8500 0019 Revision B Subject to change without notice WSDA Base 104 USB Base Station User Manual 1 Table of Contents Wireless Sensor Network Overview 0 0 0ccccececececececcecececececeeeceenecerecesesess 6 2 Gateway Overview 2 22 20 las saa cc ccc cece cece cee cece eceecececceceecectececseceeeeceeseees 7 2
3. Figure 20 Exploring Data l l l The Microsoft Excel the Time data column in the data file may have to be changed to m d yyyy h mm ss 000 format to make it more readable l l W4 LORD MicroStrain a SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Communication and Settings 4 Gateway Communication and Settings Node Commander is used to configure sensors nodes set sampling parameters and begin data acquisition This section describes how to verify communication with the gateway in Node Commander and adjust wireless communication settings For detailed settings information refer to the Node Commander User Manual see References on page 57 When a gateway is communicating with the host computer in Node Commander it will appear on a list in the Controller window with a name that includes the communications port for which it is configured and an icon symbolizing the type of communication interface Node Commander remembers gateways and nodes that have been communicated with previously They will appear on the list when the software is started however the name and icon will be grayed out if the device is not currently communicating To remove a gateway that is no longer used select Remove Base Station from the gateway menu Right clicking on the gateway name will produce a list of menu options available for the gateway Figure 21 Gateway Communication shows a USB gateway that is communic
4. bak NG SA k n yak a balat deden Paa bulis 32 4 6 Transmit Frequency 0 20020 ccc cece cece E se se se KK KK KS SK KK KK se KK KK KK KAR 33 W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual PAA APA 34 4 8 NetworkBroadcast kasa ee 35 4 9 Using the EE RA AA ban lab bidan kk 36 4 9 1 System Bandwidth in Synchronized Sampling 37 4 9 Synchronized Sampling with Multiple Gateways eee e cece eee eeeeeeeees 37 4 10 Node Configuration and Other Settings cece e cece cece cc ec ec cee ec ceceececeeeeee 37 5 Gateway Installation 2 200 000 ce 0 cece ee ccccececcececceceeeeceeeeceeeeceeteceeteceueeeesees 38 5 1 Installation Recommendations _ _ 2 20 202 2 eee 38 5 2 Optimizing the Radio Link occ sce gece wa nabanga et ee Eo te teed eee mwaaa kA NG tele Ad 39 5 2 1 Elie OSE DM so LEE HHH HHH E NATN gk ap bases de 40 6 Troubleshooting 0 0 cece cece cece cece ee ceececeeeeeeceeececeeeeeeeeeeeeees 41 6 1 Troubleshooting Guide 41 6 2 Communications Ports in Windows seen KK KK KK KK KS 46 6 3 Technical Support oiii ceo doe paseo pde naaa uh ASAS te KK b dui KK pe KK KK KK KK KK KK KK KK KK KK KK KK KK 48 7 Maintenance ee Ile nG a uhh Pal bb Sill oct KAK KK KK KK KK KK deeg 49 8 Parts and Configurations E SAS a SK KK KK KK KK KK KK O 50 8 1 Standard Re EE 50 8 2 Gateway Accessories cn oss os sees eevee see b
5. 2470 Ghz Figure 27 Gateway Frequency W4 LORD MicroStrain SS SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Communication and Settings 4 7 Monitor Mode Monitor mode is used to observe any low duty cycle and synchronized sampling activity that is occurring on nodes connected to a particular gateway When monitor mode is selected the sampling window opens and displays the data This is useful if the node was configured to start sampling on boot up or if the data acquisition screen was closed without stopping the node It is a way to enter the data and graph view windows after data acquisition has already begun The gateway will only monitor nodes that are on the same frequency channel that it is on All nodes on that frequency will automatically be displayed To monitor a node right click on the gateway name and select Monitor Mode Monitor Mode 5 9 Node 30252 B Node 31463 Reverify Base Station Add Nodes D Configure D Beacon Network Broadcast D Remove Base Station Figure 28 Monitor Mode W4 LORD MicroStrain kai SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Communication and Settings 4 8 Network Broadcast The network broadcast feature is used to send the same command at the same time to multiple nodes connected to the same gateway Nodes must be on the same transmission frequency channel as the gateway to receive broadcast co
6. ASAS N ema Basic Configuration 0 00 MP l Transactions 0 00K 25K j W063140205021034 Basic Configuration 21 14 11 30 A ZARA 1 88 MOP jonthly Storage 0 00 11 r l l I I Shared Devices DEVICE l CONFIGURATION LAST HEARD FROM MSTest andy Configuration 7 15 15 12 02 I Frrroo1sca1c7aeo j CalFrac Heavy Loading Run Up 9 4 13 TEN configuration QAPI00C 585K4URZ I Demo Devices l DEVICE I LAST HEARD FROM Figure 16 SensorCloud Menu Views W4 LORD MicroStrain 29 SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview Device The device list shows every Ethernet gateway and API device associated with the SensorCloud account including owned shared and demo devices This view provides links to each device s SensorCloud subscription plan configuration options and a summary of last communications and data transactions Account The account view is for logistic management of the SensorCloud account such as changing the log in password accessing user email and reviewing billing information CSV Uploader The data upload feature enables data from any source such as non Ethernet LORD MicroStrain gateways or third party sensor to be uploaded to the SensorCloud platform The data must be in the LORD MicroStrain CSV format Data This view is only available after a device is selected It displays data that is collected from sensor nodes or uploaded from files Data selectio
7. References on page 57 To start a sampling session nodes can be selected individually or as a group When selected as a group they will all be set to the same sampling mode Right click on the nodes and select Sample gt Synchronized Sampling Ke Base Station Com 3 qi Node 314 Ke Base Station Com 3 pw RES ik d Sample gt Synchronized Sampling Communicate Low Duty Cycle Trigger Datalogging Download Triggers Figure 10 Starting a Sampling Session When a synchronized sampling session is started the sampling menu appears and includes settings to enable optional sampling features configure nodes and to specify where the data will be saved The built in bandwidth calculator displays the total bandwidth used by the nodes selected for synchronized sampling Figure 11 Synchronized Sampling Menu a Save Location indicates where the data file will be saved on the host computer Use the Browse button to select a location b Node configuration includes the node serial number sampling settings bandwidth calculation and current status Highlight any node or group of nodes and the Remove Configure and Refresh buttons become active The Configure button opens the node configuration menus to adjust settings as needed and W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview recalculates the node bandwidth Multiple nodes can
8. Wireless Samples Communication bits InputRange 22 5mV 569 v Hardware Offset 47 Units uStrain v Strain Wizard Auto Balance Click Strain Wizard to run the Strain Wizard High Midscale Low Bits to pStrain e Slope 1 Offset 0 Conversion Formula output slope bits offset Effective Range 0 to 4095 uStrain Figure 8 Channel Setup W4 LORD MicroStrain M SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 6 Sampling Settings Sampling settings are accessed through the Configure Node menu There is a tab for each sampling mode available for the particular node Figure 9 Sample Settings Menu Depending on the type of node up to four sampling modes are available Synchronized Sampling Low Duty Cycle Streaming and Datalogging Some modes have user configurable settings for sample rate sample duration and datalogging Other settings are automatic depending on number of active channels and other variables For more information on sampling modes refer to the Node Commander user manual see References on page 57 channel gre gaming Synchronized Samping Low Duty Cyde Datalogang Power RF Jee LLN yc zan ens ee S N Sampling Settings 77 Il eee show aca Options 7 Burst Sampling Sample Rate 512Hz_ Unlimited Sample Duration Time Duration 0 195313 sec Percent of Total Bandwidth 25 02 Event Driven Samp
9. d 4 74 in Dimensions 120 3 mm x 70 4 mm x 87 9 mm Weight 123 grams Enclosure Environmental Rating General purpose indoor W4 LORD MicroStrain d SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Specifications 9 2 Operating Specifications Parameter Specifications Connectivity USB 2 0 virtual serial communication 921 600 bps Sampling Supported node sampling Synchronized low duty cycle continuous periodic burst modes event triggered and datalogging h izati Syne ronizanon beacon 1 Hz beacon provides 32 usec node to node synchronization interval Synchronization beacon aa 3 ppm stability Up to 2000 nodes per RF channel and per gateway depending on the number of active channels and sampling settings Refer to the system bandwidth calculator http www microstrain com configure your system Operating Parameters Outdoor line of sight 2 km ideal 800 m typical Indoor obstructions 50 m typical 2 405 to 2 470 GHz direct sequence spread spectrum over 14 channels license free worldwide radiated power programmable from 0 dBm 1 mW to 16 dBm 39 mW low power option available for use outside the U S A limited to 10 dBm 10 mW RF communication protocol IEEE 802 15 4 Idle 45 7 mA Eight active node channels operating at 256 Hz Power consumption low duty cycle 65 6 mA 40 C to 85 C electronics 30 C to 70 C enclosure antenna Dimensions 3 foot cable incl
10. gateway and the node There are 14 available frequency channels between 2 405 and 2 470 GHz e The gateway can automatically manage nodes operating on different frequencies by using the Node Discovery feature in Node Commander In this routine the gateway listens for node broadcasts on the frequency channel to which it is set If the node is in normal boot up mode it will provide the broadcast when it is initially powered on and it will broadcast on all channels As long as the node is powered on after activating the Node Discovery feature the gateway will link to it and remember the channel setting for future node queries e Manually matching the node and gateway frequency channels is required in some applications For example when sending broadcast messages from the gateway to multiple nodes including the synchronized sampling beacon all nodes must be on the same channel as the gateway in order to receive the broadcast Assigning channels is also a good idea when multiple gateways are attached to one host computer or when other wireless equipment is nearby and frequency or transmission interference may occur The frequency setting for the gateway can be changed from the Configure menu ES Node Commander 2 10 8 Bile Edit View Launch Application Help 12 2 410 Ghz 13 2415 Ghz 14 2 420 Ghz 15 Q425 Ghz 17 2435 Ghz 18 2440 Ghz 19 2445 Ghz 20 2 450 Ghz 21 2455 Ghz 22 2 460 Ghz 23 2 465 Ghz v 24
11. has been established the network configuration can be changed 2 3 node cannot be configured Observe the node status indicator LED to determine the device s state boot idle sample or sleep If the node is sampling or sleeping it cannot be configured In Node Commander execute the Stop Node command to put the node in idle state allowing configuration to occur If the user inactivity timeout is set very low the configuration menu will have to be entered quickly before the timeout occurs putting the node back in a sample or sleep state 2 4 node is out of range Perform a bench test with the node in close proximity to the gateway to verify they are operational For range test and installation recommendations see Range Teston page 40 The system has been tested to operate with the node and gateway up to 2 km apart with clear line of sight 2 5 node is not in normal boot mode If the node status indicator shows the node booting in a mode other than the normal boot mode it can be bypassed by toggling the node ON OFF switch rapidly three times then leaving it in the ON position for normal power up In normal boot mode the communication can be established with automatic node discovery or manually once the boot process is complete and the node is in idle state Start up mode can then be changed in the software 2 6 node is sampling Observe the node status indicator LED to determine the device s state boot idle sample o
12. with any LXRS gateway LORD MicroStrain has two software programs available for data acquisition from the wireless sensor network SensorCloud and Node Commander SensorCloud is an optional web based data collection visualization analysis and remote management platform based on cloud computing technology Node Commander is used for configuring gateways and nodes selecting sampling modes and parameters initializing data acquisition and viewing and saving data The operational overview describes system hardware and software setup and the basic navigation of Node Commander used to configure the node and begin data acquisition A brief overview of porting data to SensorCloud is also included This section is included as a quick start guide and is not a complete demonstration of all system and software capabilities W4 LORD MicroStrain n SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 1 Software Installation To install Node Commander Software Suite on the host computer run the installer executable file and follow the on screen prompts The software is provided with all gateways and is available on the LORD MicroStrain website see References on page 57 The Node Commander software includes hardware drivers required for use with USB gateways Once installed the software will automatically detect and configure any USB gateways that are plugged into the host computer
13. 04 Radio Type CC2420 2 4 GHz Band Firmware Version 3 03 Com 3 Operating Frequency 15 2 425 Ghz Transmit Power 16 dBm 39 mw Extended Range XR Ke Area 1 Gateway Base Station Com 3 Figure 25 Gateway Information and Name W4 LORD MicroStrain al SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Communication and Settings 4 5 Transmit Power The transmit power level may require adjustment if power consumption is a concern or in regions where there are transmit power restrictions Lowering the power output reduces power consumption but it also reduces the wireless communication range between the gateways and nodes l l l Actual range is highly dependent of how the nodes and gateways are installed andthe conditions in the surrounding environment see Range Test on page 40 l l Maximum Setting Power Output Range Extended 16 dBm 39mW Standard 10dBm 10mW Low OdBm ImW Table 3 Transmit Power Settings The transmit power setting for the gateway is found in the gateway Configure Base Station menu nune Man e ac sata LL azan Figure 26 Transmit Power Setting ZA LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Communication and Settings 4 6 Transmit Frequency The transmit frequency of the wireless sensor network refers to the communication link between the
14. 1 Gateway Components E 8 2 2 Gateway Interface cece cece eee cence eese e ee e seme KK KK KK KK KK KK KK KK KK KK KK KK KK 9 System Operational Overview 22 20 2020 0 cece eee ec ec aaao oaao oaan daarnaa 10 3 1 Software Installation ee eege 11 3 2 System Connections saa kas eee ececceceececeececeececceceesecseceees 12 3 3 Gateway USB Communication 02 c eect ense sees neis 13 34 GOnect o NDUBS N EE EE Eegen 14 3 4 1 Adding a Node by Address ssssssssssssssssssssssssssssssslssssssse sese ese ne nsns eil 14 3 4 2 Using Node Discovery 0 20 0 ccc cece cece ccc cc sse esse ee sese ee lesse se selle sees 15 3 5 Channel Configuration ecce EEN 16 3 6 Sampling Settings ayaan a Aa kba aga od aata 18 3 7 Data Acquisition 2 0 00 000 ES e e eR se e e e ese se se sesso se reli 19 3 8 Data Handling c cece cece cece ccc eee cece e cece s e e e e se se meme s re se selle lcs 24 3 8 1 Connecting to SensorCloud MY 25 3 8 2 Sensor Data Files 28 Gateway Communication and Settings u k3 29 4 1 Verify Gateway Communication 30 4 2 Gateway Communication Timeout lsa cee ee aooaa aoaaa aana 30 4 3 Removing a Gateway c cece cece es me ee KK KK KK KK KK KK KK KK KK KK KK KK KK KK 31 4 4 Gateway Information saa asas SS ese e e KS SR AKS KK KK KK KK KK KA 31 45 TESDSIDIEPIOWOI 3 5 01 51 yasa ist EO Naam lek la 045a an n b na
15. 10 mW The radio complies with FCC Part 15 USA and IC Canada regulations The radio is license free worldwide Using antennas and transmission equipment other than what is provided may void FCC compliance W4 LORD MicroStrain m SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Safety Information 10 Safety Information This section provides a summary of general safety precautions that must be understood and applied during operation and maintenance of components in the LORD MicroStrain Wireless Sensor Network 10 1 ESD Sensitivity The WSDAS Base 104 is susceptible to damage and or disruption of normal operation from Electrostatic Discharge ESD particularly during data acquisition AXCAUTION eh iT ESD damage can occur when the device is touched om especially at the device interfaces such as the antenna and N connectors Use proper grounding techniques when d J handling If an ESD event occurs and operation has been interrupted reset the device by cycling power to it and or restarting the operational mode in the system software 10 2 Disposal and Recycling AWARNING CAUTION Ri The WSDA Base 1049 contains internal batteries printed circuit boards and electronic components These items are known to contain toxic chemicals and heavy mm metals that are harmful to humans health and the environment Disposal is subject to federal and local DS laws Do not discard the device or batteries in t
16. 18 Tre m que b d Memory futo Laien 9 Ae Num Trigger o N Packet Success 100 0 ad Figure 12 Synchronized Sampling Data View a Device status Node sampling mode and gateway status are displayed in parentheses next to the device name b Node information includes node serial number and sampling statistics Right click on the node name for more menu options such as Stop Nodes c Data is a display of the sampled data with each channel in its own column d Radio strength indicates the strength of the communication between the gateway and node See Range Test on page 40 e Data file the location and size of the data file as data is added View the data in CSV format with the Open File button f View menu Select between Data Grid and Graph views g End sampling The red X is used to exit the sampling window and or end sampling W4 LORD MicroStrain zi SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview l l l When synchronized sampling is set to slower sample rates it may take several seconds after sampling is initiated for the first sample to appear l l Use the view menu to select the Graph view of the data see Synchronized Sampling Graph View on page 22 Click on the node name to view the graph for that node Click again to hide it Node Commander D LESER WE ge ag 3 Node 31463 Sync ET NE Fig
17. 7 in WW q 1 d CN 87 9 mm 3 46 in r 19 6 mm 77 in o A Y Y I 120 3 mm d 4 74 in Figure 31 Gateway Installation W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Installation 5 2 Optimizing the Radio Link In ideal conditions the nodes and gateway can communicate up to two kilometers apart In order to accomplish this the node and gateway must be installed in a manner that optimizes the wireless transmission The WSDA Base 104 operates at a 2 4GHz transmission frequency and comes standard with a right angle 44 wave rubber whip antenna with an omni directional radiation pattern Using any other antenna than the one that is included with the node will void FCC compliance The best method for ensuring optimal radio communication is to conduct an RF survey of the installation site This is easily accomplished in Node Commander by using the range test feature to quantify the radio signal strength RSSI in various scenarios See Range Test on page 40 for instructions on using Node Commander for measuring RSSI The following are general guidelines for maximizing transmission range e Establish Line of Sight LOS between the node and gateway antennas as best as possible Try to avoid obstructions between the antennas such as buildings terrain vegetation or other physical barriers Increase the mounting height of the node or an
18. 9 2166 705 53 24 9 1486 581 1492 897 0 704863 2166 706 53 25 9 1477 195 1488 558 0 70439 2166 706 53 26 9 1486 35 1493 403 0 70435 2166 707 53 27 9 1475 12 1488 122 0 70352 2166 707 53 28 9 1473 597 1491 184 0 706812 2166 707 Figure 14 Data Storage Display and Processing W4 LORD MicroStrain E SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 8 1 Connecting to SensorCloud To connect to SensorCloud go to the SensorCloud website log in page and enter the log in credentials Register as a new user if needed http sensorcloud com log in SensorCloud Login Email Password oraot your password Login Don t have an account Sign Up now Figure 15 SensorCloud Log in or Register The SensorCloud interface has six main views When logging in as a registered user the Device view is the default Navigate to other views by clicking the view name at the top of the page Figure 16 SensorCloud Menu Views The Data and Settings views are only available once a device is selected from the device list Main menus GD SensorCloud DEVICES ACCOUNT CSV UPLOADER MATHENGINE 106 our Device lists select a device to access Data and Settings menus Demo Steucture 7 14 15 14 36 QAPI0039T2KSFDEX Owned Devices b N DATA JUN 18 JUL 18 I DEVICE NON CONFIGURATION LAST HEARD FROM TOTAL STORAGE USAGE
19. Gateway Overview 2 Gateway Overview The WSDA Base 104 Wireless USB Base Station is a data acquisition gateway designed to configure co ordinate and collect sensor data from LORD MicroStrain wireless sensor nodes The gateway supports all data acquisition sessions between wireless nodes and host computers including continuous sampling burst sampling and datalogging The gateway also facilitates precision sampling synchronization between sensor nodes by transmitting a continuous system wide timing reference known as the beacon The WSDA Base 104 utilizes a USB interface to transfer data from the wireless nodes to a host computer for viewing analysis and storage Figure 1 WSDA Base 104 USB Base Station W4 LORD MicroStrain a SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Overview 2 1 Gateway Components The WSDA Base 104 can be purchased individually or as part of a starter kit The starter kit includes everything required to operate the WSDA Base 104 including an external antenna a power supply for charging sensor nodes and a USB cable for interfacing with the host computer or network For a complete list of available configurations accessories additional system products and ordering information see Parts and Configurations on page 50 Item Description Quantity A WSDA Base 104 USB Base Station B Standard whip antenna FCC compliant C USBcable D No
20. Station Com 3 Please cycle the power on all nodes you d like Node Commander to find se Station Com 3 Discovered nodes will show up under Ba Click the stop button to leave node discovery mode El Find sampling nodes on frequency 23 Figure 6 Using Node Discovery W4 LORD MicroStrain i SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 5 Channel Configuration The sensor settings are stored in the node memory and each sensor is assigned a corresponding channel number The configuration menus will only show the channels and configuration options that are available for the type of node being used 1 To enter the configuration menu right click on the node name and select Configure gt Configure Node The Channels tab displays channel options available for the node a Channel Enabled indicates the sensor channel number The check box is used to enable the channel and select it for sampling The icon next to the check box describes the channel type inherent to the node being used In the following example Figure 7 Node Channels Menu a1 analog differential channel icon a2 analog single ended channel icon and a3 temperature channel icon b Current channel configuration The Data Output Units Input Range and Label fields describe how the channel is currently configured c Configure The Configure button changes the channel parameters such as measurement units gai
21. USB Base Station User Manual Troubleshooting 6 2 Communications Ports in Windows Serial gateways including USB gateways have either a standard serial or virtual communications port in Windows Windows Device Manage can be used to determine what communication port the gateway is connected to 1 Click on the Windows Start icon and select Control Panel 2 Navigate to the System menu and select Device Manger The menus may appear different depending on the version of Windows and the View settings o Li sA F e e a UE L I a ro wo Ke dde Yew Toole Help Qu aw pio ma A K on mana pox m Meteor end beset SEH m pm IL n gi gu mo an T es o P tey P ap L cock lergaya ebe GOV 4 eg CE Love ef Accomm mos 4 ium a Pours j eware DB Teb DH Control Panel System and Security System 4 Se File Edit View Tools Help Control Panel Hi 5 ici i SANYO a ek View basic information about your computer Dice Mana cer Windows edition L Wy Remote settings Windows 7 Professional Hj System protection Copyright 2009 Microsoft Corporation All rights reserved e Advanced system settings Service Pack 1 Get more features with a new edition of Windows 7 Figure 34 Windows System Menu W4 LORD MicroStrain a SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Troubleshooting 3 In Device Man
22. a Loc Geeeecaedeunetenlsdugceeeueeeecesgusgbelasbeyncueeeuse 50 8 3 Wireless System Equipment 0 00 2 Ha 51 8 4 Product COGN eebe HE HEE HB a HHH H E 52 9 Specifications eege REENEN AE ENNEN ENEE AER 53 9 1 Physical Specification Saa ceccececceceececsececseceeees 53 9 2 Operating Specifications 54 9 3 Radio Specifications sxc revues ide SA a Ba KAK KK KK KK KK KK KH 55 10 Safety Information SEKS EKA eese se esse esses s KK KK SR 56 W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual 101 ESD Sensitivity EEN 56 10 2 Disposal and Recycling cece eee c cece daaa 000a adea KK se e KK KK KK KK KK KK KI 56 11 References issa eee c cece cece eee ese e KAK SK KAK KK KAK KK KK KK KK KRA KK KK KK KK KK RR 57 11 1 Reference Information lcs aa aka SK KEK esse KK KK KK KK KK ZU 57 11 2 Glossary W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Overview 1 Wireless Sensor Network Overview The LORD MicroStrain Wireless Sensor Network is a high speed scalable sensor data acquisition and sensor networking system Each system consists of wireless sensor interface nodes a data collection gateway and full featured user software platforms based on the LORD MicroStrain Lossless Extended Range Synchronized LXRS data communications protocol Bidirectional wireless communication between the node and gateway enables sensor data collectio
23. a WSDA 1500 LXRS gateway be used because they can be configured to reference external time sources and therefore get periodic same time updates WSDA Base 10x LXRS gateways do not have this feature and instead rely on the internal clock which can vary between gateways For more information refer to the WSDA 1500 LXRS User Manual 4 10 Node Configuration and Other Settings Node configuration is completed exclusively in Node Commander For an overview of sensor configuration and menus see Connect to Nodes on page 14 For additional node configuration and gateway settings not discussed in this manual refer to the Node Commander user manual see Reference Information on page 57 W4 LORD MicroStrain U SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Installation 5 Gateway Installation 5 1 Installation Recommendations The WSDAS Base 1040 is rated for indoor use only unless housed in a ruggedized outdoor enclosure purchased separately It is designed for desktop use although it can be mounted in any orientation as required by the application It is recommended that it is mounted in a way that optimizes the wireless communications typically with the antenna pointing upward For more information see Optimizing the Radio Link on page 39 87 6 mm _____ 3 45 in 70 4 mm 2 7
24. access to the data acquisition software such as Node Commander and SensorCloud For a connections overview refer to Figure 3 System Connections The sensor node gateway and software selection are application dependent but the basic interfaces are the same For a connections overview using the WSDAS Base 104 refer to Figure 3 System Connections Users can also write custom programs by utilizing the LORD MicroStrain Wireless Sensors Network Software Development Kit sensor node s eux oW Ce 2 o lt ISO Cc 33 AF gt RK i 3g 3 x tig SS Se d e x connect sensors N as applicable host computer M PN Aas SS Figure 3 System Connections W4 LORD MicroStrain Je SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 3 Gateway USB Communication Drivers for the USB gateways are included the Node Commander software installation With the software is installed the USB gateway will be detected automatically whenever the gateway is plugged in 1 Power is applied to the gateway through the USB connection Verify the gateway status indicator is illuminated showing the gateway is connected and on 2 Open the Node Commander software Ba vg ki Node Commander 3 The gateway should appear in the Controller window automatically with a communication port assignment Figure 4 USB Gateway Communication lf it is not automatical
25. ager expand the view for Ports COM and LPT Active COM ports will appear on this list with the COM port number A USB gateway will be displayed as USB to UART Bridge COM X A serial gateway will be attached to the Communications Port COM X An Ethernet gateway will be connected to a Virtual Serial port COMX If no port is listed the port is not recognized by the computer and no gateway communication can be established File Action View Help e5 m BIE mi a 4 d WSTDAE JORCDXI GP Batteries Bluetooth Radios jl Computer EXAMPLE gatew ay port designations i DVD CD ROM drives ij Human Interface Devices Gg IDE ATA ATAPI controllers Bu Monitors Network adapters bb a19 Ports COM amp LPT RS232 gateway Ethernet gateway USB gateways Y Silicon Labs CP210x USB to UART Bridge COM5 19 Silicon Labs CP210x USB to UART Bridge COM D Processors 4 Sound video and game controllers G Storage controllers gM System devices Universal Serial Bus controllers Figure 35 Windows Device Manger Menu W4 LORD MicroStrain a SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Troubleshooting 6 3 Technical Support There are many resources for product support found on the LORD MicroStrain website including technical notes FAQs and product manuals http www microstrain com support overview aspx For further assistance our technical support engineers ar
26. ating on ComPort 3 with the corresponding menu and a serial gateway that is not connected USB gateways connect automatically when plugged into the host computer Ka Node Commander Sine me Ble Edt View Launch Application Help Monitor Mode Reverify Base Station Verify Base Station Remove Base Station Add Nodes gt Configure D Beacon Network Broadcast gt Remove Base Station gateway communicating gateway not connected Figure 21 Gateway Communication W4 LORD MicroStrain E SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Communication and Settings 4 1 Verify Gateway Communication The Verify and Reverify Base Station commands can be used to check the communication status of the gateway to the host computer The Verify command is available in the gateway menu if no communication has been previously established The Reverify command is in the gateway menu if communication has already be established and it is used to check the current status Right click on the gateway name and select the command Monitor Mode Reverify Base Station Add Nodes Configure Beacon Network Broadcast Remove Base Station Figure 22 Verify Gateway Communication 4 2 Gateway Communication Timeout Node Commander will attempt to establish communication with the gateway for the amount of time set as the communication timeout the default setting is 20 milli
27. be configured together by using the Shift or Ctrl key to select them c Lossless enables the lossless data protocol The protocol enables buffering and retransmission of data in order to provide 100 data collection success Using this feature may increase data display latency Save Locaton C ProgramData wicroStran NodeCommander Data Nodes 2 Type Active Channels Sample Rate b Node 30252 G unk 106 XRS 1 512Hz SE EE ee A Apply Network Configurat on V Enable Beacon on Start A Figure 11 Synchronized Sampling Menu d High Capacity optimizes bandwidth and power use for nodes with slower sample rates by reducing the transmit rates May increase data latency e Network Bandwidth is the total calculated bandwidth used by all the nodes The bandwidth changes as nodes are added removed and settings changed f Enable Beacon on Start When synchronized sampling is started the nodes wait for the first beacon transmission to initiate sampling When this option is selected default the gateway beacon is enabled and will begin transmitting at a fixed interval when sampling is started Disabling the beacon on start unchecking the box will set the nodes to wait for the beacon but it does not actually start the beacon when sampling is started This can be used if there is a need for sampling to be initiated later or if the beacon is being received from another source than the gateway Enabling the beacon in
28. ce Configure menu and is highly dependent on the physical environment surrounding the devices 1 Right click on the node header and select Communicate gt Range Test Ei Ne Conan de AP pr Ep view Launch App cation Hep Communicate Configure Stop Node Load Node Information Power Management Remove Node Num Triggers 0 Figure 32 Range Test Menu 2 The total RSSI range for the node and gateway is 90 to OdBm The higher the value closer to zero the better but reliable communication can be achieved between 75 dBm and 0 dBm The devices is still able to communicate between 90 dBm and 75 dBm but it could be intermittent or result in data loss Position the node and gateway antennas where the best RSSI value is observed Short Packet Range Test Node 31463 Good Pings 9070 Bad Pings 0 Success Rate 100 00 Base RSSE 12 dBm Min 12 dBm Max 10 dBm U 7 Node RSSI 12 dBm Min 12 dBm Max 10 dBm e Figure 33 Range Test Statistics W4 LORD MicroStrain a SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Troubleshooting 6 Troubleshooting 41 6 1 Troubleshooting Guide 1 POWER gateway or node does not turn on or node does not charge 151 node or gateway power is off 1122 external power off or miswired T3 wrong power supply or voltage 1 4 node battery is dead 1 5 node or
29. de power supply and plug adapter kit EEE Node Commander Software Suite User Manual and Quick Start Guide Table 1 Starter Kit Components W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Overview 2 2 Gateway Interface The WSDAS Base 104 interface includes a USB portand a connector for attaching the gateway antenna There are device status indicators on the front of the WSDA Base 104 The following table describes indicator behavior antenna connection status indicator Figure 2 Ports and Indicators Indicator Behavior Node Status OFF Gateway is off Gateway is powered amp idle Sync sampling beacon enabled or Device Status indicator Flashing blue incoming data from other sampling modes WARNING another gateway beacon Flashing red is detected on the same frequency Table 2 Basic Indicator Behaviors W4 LORD MicroStrain P SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 System Operational Overview The gateway is the interface between LORD MicroStrain sensor nodes and the data acquisition computer The gateway co ordinates the configuration and sampling of the nodes and can handle many nodes simultaneously Communication between the nodes and gateway is wireless and uses the LORD MicroStrain LXRS data communications protocol LXRS nodes and many legacy nodes will communicate
30. e available to help with technical and applications questions Technical Support sensing support LORD com Phone 802 862 6629 Fax 802 863 4093 SKYPE microstrain wireless support Live Chat is available from the website during business hours 9 00 AM to 5 00 PM Eastern Time US amp Canada W4 LORD MicroStrain ka SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Maintenance 7 Maintenance There are no user serviceable parts on the WSDA Base 104 For device service and repair contact LORD MicroStrain Technical Support see Technical Support on page 48 Opening the device will void the product warranty W4 LORD MicroStrain ge SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Parts and Configurations 8 Parts and Configurations 8 1 Standard Models For the most current standard custom and OEM product options refer to the LORD MicroStrain website or contact the LORD MicroStrain Sales Department LORD Model Number Description MicroStrain Part Number WSDA Base 104 LXRS Wireless USB Base Station 6307 1040 WSDA Base 102 LXRS Wireless RS232 Base Station 6307 1020 WSDA Base 101 LXRS Wireless Analog Base Station 6307 1010 8 2 Gateway Accessories LORD MicroStrain Part Number Standard whip antenna FCC compliant 9010 0049 Description Table 4 Gateway Accessories W4 LORD MicroStrain 5 SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Pa
31. e to the device or cause it to not work properly 1 4 node battery is dead If the node will not power on the node battery may need to be replaced Contact LORD MicroStrain Technical Support See Technical Support on page 48 1 5 node or gateway is damaged If all power settings and connections have been verified and the node is still unresponsive contact LORD MicroStrain Technical Support See Technical Support on page 48 2 1 node or gateway has no power 2 COMMUNICATION Verify the node and gateway have power applied and that applicable power switches are on Power is indicated on both devices by a status indicator LED no communication to the gateway or node 2 2 gateway has no communication with the computer Verify gateway communication in the software Check remove and reconnect communications and power cables as applicable e For serial gateways verify that the COM port setting e For USB gateways verify that the drivers are installed on the computer included with Node Commander and that the software has had sufficient time to detect it W4 LORD MicroStrain a SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Troubleshooting Problem Possible cause and recommended solution For Ethernet gateways use Live Connect to verify communications on a DHCP network Check that the extended timeouts are enabled in the Node Commander Edit gt Preferences menu under Devices Once communication
32. e types of sampling Sampling Rate the frequency of sampling W4 LORD MicroStrain S SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual References Slope When describing a mathematically linear relationship the slope is the steepness of the line that represents that relationship on a graph The equation of a straight line is y mx b where xis the x axis coordinate yis the y axis coordinate mis the slope and bis the offset Streaming Streaming is a sampling mode in which all active channels and the sensors attached to them are measured and the acquired data is transmitted to the gateway and software The data is not written to non volatile memory during streaming Streaming can either be finite have a user defined start and end time or continuous continued until the power is cycled on the node Synchronized Sampling asampling mode that automatically coordinates all incoming node data to a particular gateway This mode is designed to ensure data arrival and sequence Transmission rate the number of data packets per transmission window measured in seconds Depending on the sampling mode and settings it will be between 1 and 64 packets second Transmission window the time allowed for one data transmission at the automatically determined transmission rate USB Universal Serial Bus a serial data communications protocol WSN Wireless Sensor Network describes a distribution of sensors and data acquisition equ
33. es a more accurate conversion Also referred to as bits Base Station The base station is the transceiver that attaches to the host computer and provides communication between the software and the node s It is also referred to as a gateway Burst Sampling a mode of operation in which the node is sampled for a fixed window of time burst and then repeats that window at set intervals The burst duration and time between bursts is configurable Same as periodic burst sampling Calibration to standardize a measurement by determining the deviation standard and applying a correction or calibration factor Configuration a general term applied to the node indicating how it is set up for data acquisition It includes settings such as sampling mode and rate number of active channels channel measurement settings offsets hardware gain and calibration values Continuous Sampling a mode of operation in which the node is sampled continuously until stopped or continuously for a fixed amount of time Coordinated Universal Time UTC the primary time standard for world clocks and time It is similar to Greenwich Mean Time GMT Cycle Power a command transmitted to the node to reboot it either through a hardware or software switch Data Acquisition the process of collecting data from sensors and other devices Data Logging the process of saving acquired data to the system memory either locally on the node or remotely on the host com
34. gateway is damaged 2 COMMUNICATION no communication to the gateway or node DA node or gateway has no power 2 2 gateway has no com with computer 2 3 node cannot be configured 2 4 node is out of range 2 5 node is not in normal boot mode 2 6 node is sampling 2 7 node is sleeping 2 8 gateway or node is damaged 3 DATA ACQUISITION sensor data is missing or incorrect 3 1 no com to node or gateway 3 2 sampling settings are incorrect 3 3 sampling has not started 3 4 sensor is not connected correctly 3 5 sensor channel not configured correctly 3 6 sensor calibration is invalid W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Troubleshooting Problem Possible cause and recommended solution 1 1 node or gateway power is off 1 POWER The status indicator LED on the device may be off Turn the gateway or node does device on and the status indicator LED should illuminate not turn on 1 2 external power is off or miswired Verify the device power source is connected correctly and powered on 1 3 wrong power supply Using a power supply other than the one specified for the device or an external supply that is outside of the device operating range could result in permanent damag
35. he accuracy of the gateway and node clocks 3 ppm drift provides a node to node synchronization within 32 microseconds The gateway receives the UTC from the host computer so the host must be connected to a UTC time server to achieve that accuracy There is some lag inherent in the Microsoft Windows distribution of the UTC This dictates the overall accuracy of the time stamp but the synchronization times between the gateway and nodes will be consistent because of the accuracy of the embedded RTC clocks Nodes must be on the same transmission frequency channel as the gateway to receive the beacon broadcast command When the beacon is active the gateway device status indicator will pulse blue once per second When the nodes connected to the gateway are in synchronized sampling mode the network can be put to sleep by turning off the beacon and then resuming transmitting once the beacon is enabled Any node that is actively sampling in synchronized sampling mode on the same frequency as the gateway will synchronize to it automatically if the beacon is activated To avoid interference with other devices it is recommended that the beacon be disabled when not in use Do not operate multiple gateways on the same frequency To enable and disable the beacon right click on the gateway name and select the appropriate command Figure 30 Synchronized Sampling Beacon Alternately the beacon can be activated from the synchronized sampling window w
36. he Node Discovery feature can be used KA Node Commander Fle Edit View Launch Application Help Add Node Base Station 3 is assum e on channel 15 2 425 Ghz Ca aa Figure 5 Adding a Node by Address W4 LORD MicroStrain is SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 4 2 Using Node Discovery The Node Discovery feature allows connection between the gateway and node to occur even if they are on different frequencies To connect to all available nodes using node discovery begin by making sure the node is powered off Automatic node discovery may not work in some boot up modes If the node is not in normal boot up mode the assigned one can be bypassed to enable node discovery For more information see Troubleshooting Guide on page 41 1 Right click on the gateway name and select Add Node gt Node Discovery Figure 6 Using Node Discovery 2 Using the power switch turn on the node Within a few seconds the node will transmit a message with its operating frequency 3 When the device status indicator on the node ends the rapid flash sequence and begins pulsing at one second intervals the node has completed the normal boot up sequence and is running in idle mode At this point the node should be listed in the Controller window scanning can be stopped by selecting the Stop button in the Node Discovery window Bea Ta ee 1 Az Base
37. he trash Follow proper electronic and battery waste disposal protocol as dictated by federal and local authorities Some states also have programs for extracting reusable parts for recycling W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual References 11 References 11 1 Reference Information Many references are available on the LORD MicroStrain website including product user manuals technical notes and quick start guides These documents are continuously updated and new applications are added They may provide more accurate information than printed or file copies Document Where to find it Online Wireless Network Calculator http www microstrain com configure your system SensorCloud http www sensorcloud com system Overview overview MathEngine Overview http www sensorcloud com mathengine http www microstrain com wireless sdk Network Software Development Kit ASTM Testing Procedures http www astm org Standard standards and publications html Table 6 Related Documents W4 LORD MicroStrain Bf SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual References 11 2 Glossary These terms are in common use throughout the manual A D Value the digital representation of the analog voltages in an analog to digital A D conversion The accuracy of the conversion is dependent on the resolution of the system electronics higher resolution produc
38. hen sampling is started and stopped with the stop node command which can be executed when sampling is ended see Data Acquisition on page 19 and refer to the Node Commander User Manual for more information W4 LORD MicroStrain SS SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Communication and Settings Nose C Bile Edit View Launch Application Help mn Sei Node 31463 Monitor Mode Reverify Base Station Add Nodes Configure Figure 30 Synchronized Sampling Beacon 4 9 1 System Bandwidth in Synchronized Sampling When using synchronized sampling all nodes in the wireless network are queried and given time slots of various lengths based on their configuration of channels sample rate etc Nodes will only transmit data during these time slots therefore eliminating over the air data collisions The total time available for node transmissions is defined by the system bandwidth Because the system bandwidth is finite only a fixed number of nodes can be supported when using synchronized sampling The number of nodes is largely dependent on node configuration as each consumes part of the bandwidth Use the online network bandwidth calculator to determine the bandwidth capacity for a particular system configuration http www microstrain com configure your system 4 9 2 Synchronized Sampling with Multiple Gateways If synchronization is desired between gateways it is recommended that
39. ipment that autonomously monitors environmental characteristics such as temperature pressure and strain W4 LORD MicroStrain 9 SENSING SYSTEMS
40. ling E Enable Figure 9 Sample Settings Menu In general when determining what sample mode and rate is most suitable for the application refer to the following guidelines e Use a sample rate at least twice the value of the target measurement frequency This is the minimum sample rate required to produce an accurate digital representation of the measured signal The higher the sample rate the more accurate the digital representation e Using the minimum required sample rate will increase battery life and minimize the allocated network bandwidth e Using periodic burst sampling in place of continuous sampling will increase battery life and the longer the sample interval the more power and network bandwidth will be saved For synchronized sampling use the online calculator to evaluate network bandwidth at different sampling settings http www microstrain com configure your system W4 LORD MicroStrain 18 SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 7 Data Acquisition When data acquisition is started each of the sampling modes has different menu options and views Some open a settings menu before data acquisition begins and may include a data list view and or a graph view The following is an example of Synchronized Sampling Figure 10 Starting a Sampling Session For information on other sampling menus refer to the node user manual or the LORD MicroStrain website see
41. ly discovered verify the port is active on the host computer and then remove and re insert the USB connector amp Base Station Com 3 Figure 4 USB Gateway Communication W4 LORD MicroStrain ka SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 4 Connect to Nodes Several methods can be used in Node Commander to establish communication with the nodes This quick start section covers the two simplest methods adding a node by address and by using the node discovery feature 3 4 1 Adding a Node by Address Adding a node by address requires the node to be on the same communication frequency as the gateway The node address and frequency are indicated in the documentation included with the node when it is purchased The gateway s initial frequency setting is indicated in the documentation that is included when it is purchased The frequency setting can also be checked once gateway communication is established with the host computer see Transmit Frequency on page 33 1 Toadda node by address right click on the gateway name in the Controller window and select Add Node gt Add Single Node Figure 5 Adding a Node by Address 2 The node address and frequency are indicated in the documentation included with the node Enter the node address and select OK If the node is not found a message will appear and provide the option to scan for the node on other frequencies Alternately t
42. ment LOS Line of Sight is used in radio communications to describe the ideal condition between transmitting and receiving antennas in a radio network As stated it means the antennas are in view of each other with no obstructions LXRS Lossless Extended Range Synchronized is the proprietary LORD MicroStrain data communications protocol used in the wireless sensor network Node The node is the wireless transceiver that the sensor s is connected to providing communication with the gateway The G Link LXRS V Link LXRS and SG Link LXRS are examples of nodes manufactured by LORD MicroStrain Node Tester board The Node Tester board is a device designed by LORD MicroStrain that can be plugged into nodes to test their functionality Offset When describing a mathematically linear relationship the offset is the value where the line that represents the relationship in a graph crosses the y axis The equation of a straight line is y mx b where xis the x axis coordinate yis the y axis coordinate mis the slope and bis the offset W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual References Oversampling In signal processing oversampling is a technique used to achieve increased signal resolution and better noise immunity by recording readings at a higher frequency than the output of the device being measured In analog to digital conversion the higher the oversampling rate
43. mmands Network broadcast functions include communications sampling and configuration commands Network broadcast commands are found in the gateway menu Right click on the gateway name and select Network Broadcast Then select the desired category and command Sample e Synchronized Sampling Start e Low Duty Cycle Start e Armed Datalogging e Trigger Datalogging Session e Erase Communicate D Ping E Base Station Com 3 on H 8 Node 31463 Monitor Mode Reverify Base Station e Stop Node Add Nodes Configure e Wake Node Beacon Network Broadcast Remove Base Station Eng e SI eep Stop Node Wake Node Sleep e Cycle Power Cyde Power Configure Figure 29 Network Broadcast Commands e Read Write EEPROM W4 LORD MicroStrain d SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Communication and Settings 4 9 Using the Beacon In synchronized sampling the beacon feature is used to coordinate sampling and transmission timing between multiple nodes The primary purpose is to avoid data collision guarantee timing between samples from different nodes and to time stamp the data The beacon cannot be used in any another sampling mode When the beacon is enabled the gateway broadcasts a data message once every second containing a Coordinated Universal Time UTC time stamp and it is used to update each node s real time clock RTC This continuous synchronization beacon coupled with t
44. n about SensorCloud features and navigation refer to the SensorCloud website or contact LORD MicroStrain Technical Support http sensorcloud com W4 LORD MicroStrain ei SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 3 8 2 Sensor Data Files Data acquired in Node Commander is stored in CSV format and can be opened with Microsoft Excel Quattro Pro Open Office or another CSV editors spreadsheet program Data in this format is easily uploaded to SensorCloud using the CSV Uploader The data files can be found on the host computer in the default directory or the location specified at the beginning of the sampling session as applicable The files are organized in separate folders by mode and then further categorized by date session and or node serial number The default directory is C ProgramData Microstrain NodeCommander Data Synchronized sampling and low duty cycle files are found in the Sampled Data folder and streaming data is stored in the Streaming folder Datalogging files need to be downloaded from the node to be available for viewing They are accessed through datalogging menus as well as the File menu and are saved in the Downloaded Triggers folder Master_09 30 2013 119 46 08 csv 9 30 2013 3 46 PM EN Node372 csv 9 30 2 G Sensorinfo_09 30 2013 T19_46_08 csv GY SyncNetworkinfo 09 30 2013 T19 46 08 9 788 Computer amp Local Disk C
45. n and configuration from up to two kilometers away Gateways can be connected locally to a host computer or remotely via local and mobile networks Some gateways also feature analog outputs for porting sensor data directly to standalone data acquisition equipment The selection of available nodes allows interface with many types of sensors including accelerometers strain gauges pressure transducers load cells torque and vibration sensors magnetometers 4 to 20mA sensors thermocouples RTD sensors soil moisture and humidity sensors inclinometers and orientation and displacement sensors Some nodes come with integrated sensing devices such as accelerometers System sampling capabilities are IEEE 802 15 4 compliant and include lossless synchronized sampling continuous and periodic burst sampling and data logging A single gateway can coordinate many nodes of any type and multiple gateways can be managed from one computer with the Node Commander and SensorCloud software platforms Integration to customer systems can be accomplished using OEM versions of the sensor nodes and leveraging the LORD MicroStrain data communications protocol Common wireless applications of LORD MicroStrain8 Sensing Systems are strain sensor measurement accelerometer platforms vibration monitoring energy monitoring environmental monitoring and temperature monitoring W4 LORD MicroStrain S SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual
46. n and offset settings and calibration values The channel must be enabled first by selecting the adjacent check box Configure Channels Streaming synchronized Samoliag 3 AE E erg CC Physical Units Conversion Input sa Enabled Data Output Units Range pr wf rm wm Bm nmp Ga 70 mV 21 EH A D Value Figure 7 Node Channels Menu W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview 2 To enter the channel configuration menu select the Configure button as shown in Figure 7 Node Channels Menu The menu options available on the channel configuration page varies depending on the node and sensor type selected This is an example with a V Link LXRS a Channel Label names the channel b Channel diagram shows channel electronics and data flow c Conversion Coefficients defines the type and units of the measurement being made d PGA Settings These settings determine what gain is applied to the sensor measurement and set the position of the no load baseline measurement for the sensor signal It is only available for differential input channels with gain amplifiers e Calibration values includes the slope offset scale and formula used to convert the sensor reading to engineering units The slope and offset can be determined from the sensor manufacturer calibration data or through a calibration process a
47. ns are listed by node channel or a user defined label and can be enabled for display in the graph window The interactive graph has navigational features such as panning zooming and an overview graph for single click access to data points or ranges There are also use and management features such as viewing the meta data and downloading embedding and tagging data graphs Figure 17 SensorCloud Data View Settings The settings view provides options for adding meta data configuring the data displays for each channel creating alerts based on data thresholds setting the data timezone and more MathEngine is used to analyze sensor data Functions include the ability to filter out frequencies smooth out noisy data perform math operations such as Fast Fourier Transforms W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview FFTs and more Figure 18 MathEngine View MathEngine interfaces with the SensorCloud graphing view for faster processing Users can write their own algorithms for custom applications Refer to the MathEngine website for more information http sensorcloud com mathengine Lio Frequency vs Log Amplitude Peak value of 0 94 at 4 75 Hz 0 100 200 30 400 500 Frequency Hz Figure 19 FFT Graph in SensorCloudTM For more informatio
48. on User Manual System Operational Overview 3 8 Data Handling Data acquired through Node Commander is automatically saved on the host computer see Sensor Data Files on page 28 Data can also be uploaded to the LORD MicroStrain SensorCloud web platform for display monitoring data storage and analysis 3 8 Data Handling SensorCloud is based on cloud computing technology and is designed for long term collecting and preservation of data Features include time series and visualization graphing automated alerts and data interpretation tools such as data filtering statistical analysis and advanced algorithm development with the integrated MathEngine interface Leveraging the open source API SensorCloud can also be used to collect data from other LORD MicroStrain sensor products or third party systems Basic SensorCloud services are available to all users free of charge see Connecting to SensorCloud on page 25 More information about SensorCloud can be found on the LORD MicroStrain website see References on page 57 ch2 1Hz ch3 1Hz cha 1Hz N AM Timestamp GMT chi ch2 cha cha HN d lii n n 93 17 5 _1479 45 1494 594 0 703699 2166 703 53 19 9 1473 023 1488 775 0 703585 2166 704 53 20 9 1474 546 1492 239 0 704699 2166 704 53 21 9 1475 745 1493 966 0 704446 2166 704 Frequency vs Log Amplitude 53 22 9 1476 143 1491 654 0 705406 2166 705 53 23 9 1486 709 1492 854 0 70514
49. puter DHCP network Dynamic Host Configuration Protocol is the standardized networking protocol used on Internet Protocol IP networks which automatically configures devices that are attached to it by assigning and configuring the device IP address W4 LORD MicroStrain 2 SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual References EMI Electromagnetic Interference is an inductive or radiated disturbance that can create signal degradation on electrical signals including loss of data ESD Electrostatic Discharge is the sudden flow of electricity that can occur between two charged objects of different potential that come in contact or in close proximity of each other Static electricity is a common source of ESD Event Based Sampling a mode of operation in which the node sampling is started when a sensor measurement value threshold is achieved Firmware the code that is programmed onto a microcontroller or similar device in an embedded system It includes device operation commands conditions memory allocation and many other tasks Gateway The gateway is a transceiver that attaches to the host computer and provides communication between the software and the node s It is also known as a base station Host computer The host computer is the computer that orchestrates command and control of the attached devices or networks LED Light Emitting Diode is an indicator light that is used in electronic equip
50. r sleep If the node is sampling it cannot be configured In Node Commander W4 LORD MicroStrain ii SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Troubleshooting Problem Possible cause and recommended solution execute the Stop Node command to put the node in idle state allowing configuration to occur 2 7 node is sleeping Observe the node status indicator LED to determine what state it is boot idle sample or sleep If the node is sleeping it cannot be configured In Node Commander execute the Stop Node command to put the node in idle state allowing configuration to occur 2 8 gateway or node is damaged Verify all connections power and settings If available try installing alternate nodes and gateways one at a time to see if the faulty device can be identified If no conclusion can be determined or to send a device in for repair contact LORD MicroStrain Technical Support See Technical Support on page 48 3 1 no communication to node or gateway 3 DATA ACQUISITION Verify connections and power to the node and gateway Verify they are powered on and communicating with the software Enter a configuration menu to verify that the node can be accessed sensor data is missing or incorrect 3 2 sampling settings are incorrect If the sampling mode rate or duration are not performing as expected enter the node configuration menu and verify the sampling settings 3 3 sampling has not s
51. rts and Configurations 8 3 Wireless System Equipment The following system parts are available for use with the WSDA Base 104 For the most current standard custom and OEM product options refer to the LORD MicroStrain website or contact the LORD MicroStrain Sales Department See Product Ordering on page 52 LORD Model Description MicroStrain Part Number p Node Commander Software 63010300 SensorCloud Software Subscription om contact LORD MicroStrain Sales E5 Table 5 Wireless System Equipment W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Parts and Configurations 8 4 Product Ordering Products can be ordered directly from the LORD MicroStrain website by navigating to the product page and using the Buy feature http www microstrain com wireless For further assistance our sales team is available to help with product selection ordering options and questions Sales Support sensing sales LORD com Phone 802 862 6629 Fax 802 863 4093 9 00 AM to 5 00 PM Eastern Time US amp Canada W4 LORD MicroStrain pe SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Specifications 9 Specifications 9 1 Physical Specification 87 6 mm 3 45 in 70 4 mm 2 77 in Tt i Y En 87 9 mm 3 46 in 19 6 mm 77 in o ea Y Le 120 3 mm
52. seconds If communication cannot be established try adjusting this value for a longer timeout Right click on the gateway name and select Configure gt Configure Timeout Adjust the value and then select the Test Value button to test the communication to the gateway Figure 23 Communication Timeout This feature can also be used if communication to the node is intermittent Figure 23 Communication Timeout W4 LORD MicroStrain d SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Communication and Settings 4 3 Removing a Gateway To remove a gateway that is no longer used right click on the gateway name in the Controller window and select Remove Base Station from the gateway menu Figure 24 Removing Gateways 4 4 Gateway Information Gateway information such as the model type serial number radio type operating frequency current communications port and firmware revision is found in the gateway Information window Right click on the gateway name and select Configure Configure Base Station There is also a Label field to give the gateway a unique name which is useful when there are multiple gateways in the system Gateway transmit power can also be selected in this window For additional information see Transmit Power on page 32 Label Area iGateway Model WSDA Base 104 USB Part Number 6307 1040 Microcontroller 18F46K20 40 MHz Serial Number 1040 04
53. tarted If sampling is occurring the sampling mode will be displayed next to the node name in Node Commander The node device status indicator will also be flashing the sampling mode code If the node is not sampling activate it in the software or with a sample on start up boot sequence 3 4 sensor channel not configured correctly Verify that the sensor is configured on the correct channel and has been enabled for data acquisition W4 LORD MicroStrain A SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Troubleshooting Problem Possible cause and recommended solution 3 sensor calibration is invalid External sensors come with a factory calibration value that is entered during configuration Internal sensors are factory calibrated and should not need adjustment The calibration data is provided with the sensor when purchased If possible perform a field verification of the sensors by applying known loads and comparing the measured values In the channel configuration settings verify that the calibration calculations are correct Verify that the gain and offset range are correct and that the baseline offset is set with Auto Balance as applicable Verify that the calibration values slope and offset are correct Verify that the sensor channel units are selected correctly Verify that all parameters were written to the node channel Recalibrate as needed W4 LORD MicroStrain as SENSING SYSTEMS WSDA Base 104
54. tenna to allow a clearer LOS path to the gateway Height above the ground is also important because reflections off of the ground can interfere at the receiver Generally the higher above the ground the better e Minimize Radio Frequency Interference RFI such as other equipment antennas especially those operating in the same frequency range This includes other nodes If other antennas are required nearby mount them at different heights to minimize interference Additionally the specific node frequency is selectable within its operational range using the Node Commander software Set the devices to different transmission frequencies e Minimize Electromagnetic Interference EMI such as that which is generated by power transmission equipment microwaves power supplies and other electromagnetic sources e Metal Objects in close proximity to either antenna particularly ferrous metals such as steel and iron can be problematic for wireless communications The larger the object the greater the influence W4 LORD MicroStrain SR SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Gateway Installation 5 2 1 Range Test After establishing communication between node and gateway use the range test feature in Node Commander to monitor the signal strength and to optimally position the nodes gateway and antennas for installation Maximum achievable range is determined by the gateway and node power settings found in the devi
55. the better the recreated analog signal Packet unit of sampled data Periodic Burst Sampling a mode of operation in which the node is sampled for a fixed window of time burst and then repeats that window at set intervals The burst duration and time between bursts is configurable Same as burst sampling Ping a byte transmitted by the gateway to the node The node responds by echoing the byte indicating communication exists between the node and gateway Range Test a continuous string of pings used to validate communication between the gateway and the node over distance and obstruction Real Time Clock RTC a computer clock that keeps track of the current time RFI Radio Frequency Interference is a disturbance in an electrical circuit due to electromagnetic induction or radiation RSSI Received Signal Strength Indication is a measurement of the transmission power in a radio signal It is measured in decibels with reference to 1 milliWatt dBm RS232 a serial data communications protocol Sensor a device that physically or chemically reacts to environmental forces and conditions producing a predictable electrical signal Sleep a command transmitted to the node to put it into sleep configuration Sampling the process of taking measurements from a sensor or device Sampling Mode the type of sampling that is being utilized such as event triggered continuous or periodic The nodes have several sampling modes that employ thes
56. this way is the same as enabling the beacon in the gateway menu For more information see Using the Beacon on page 36 W4 LORD MicroStrain ee SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview g Apply settings and start sampling Before acquisition can begin use the Apply Network Settings to save the session settings to the node When completed select Start Sampling to begin h Close sampling window with the red X to exit sampling or once the sampling has been started to view the data window behind it Synchronized sampling features two data views Grid view and Graph view Once sampling has started the data grid view is the default view Figure 12 Synchronized Sampling Data View ata a lt ye vewMese paa Gada Saving To VProganD ata MicsoStravi odeComenander D sta S angled D ata sess on 02 18 2014 119 52 27 Mage 024 6001 PPT HES crt d Open fieSce183M8 N nc A Model G Link 106 Node Info Channel 1 Camel 2 Channel 3 Channel 4 ceres C Base RSSI Node RSSI lt zk 7 Oon TIRS 1945 ma52 d m SEM we j SN 2419 43600 Sample Rate size a im Firmware 8 05 Total Samples 32614 Memory Fult 1 Tier Tick 32513 c Wel Num Triggers 14 lost Samet o WY Node 31463 Sync ap Peat Success El Bl Mode V Link Bane 32287 28 25 D 3420 EEN am d Options LXRS Semple Rate xeu j S N 2433 31463 I Total Samcles 2035 Firmware 8
57. uded in starter kit SensorCloud SensorConnect Node Commander WSDA Data Downloader Live Connect Windows XP Vista 7 compatible Data communications protocol available with EEPROM maps Software development kit SDK and sample code OS and computing platform independent http www microstrain com wireless sdk FOC U S C Canada CE ROHS Network capacity Wireless communication range Radio frequency RF transceiver carrier Operating temperature Measured with antennas elevated no obstructions and no RF interferers Actual range varies depending on conditions such as obstructions RF interference antenna height amp antenna orientation W4 LORD MicroStrain 9 SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual Specifications 9 3 Radio Specifications The WSDA Base 104 USB Base Station employs a 2 4GHz IEEE 802 15 4 compliant radio transceiver for wireless communication The radio is a direct sequence spread spectrum radio and can be configured to operate on 14 separate frequencies ranging from 2 405 GHz to 2 470 GHz Following the 802 15 4 standard these frequencies are aliased as channels 11 through 24 For all newly manufactured nodes the default setting is 2 425 GHz channel 15 For standard models radiated transmit power is programmable from 0 dBm 1 mW to 16 dBm 39 mW A low transmit power option is available for use in Europe and elsewhere and is limited to 10 dBm
58. ure 13 Synchronized Sampling Graph View a Available Nodes Click on the node to display the graph for that node Click again to hide it Right click on the node name for more menu options such as Stop Nodes and Save Stream b Axis range Select the x axis width and y axis zoom percentage or use the Auto check box for automatic scaling c Graph The node graph shows the sampled data Each active channel is displayed in a different color The x axis is time in seconds and the y axis is the A D value bits Right click on the graph for additional menu options such as View Graph Key Pan Zoom Pause and Remove Graph d View menu Select between Data Grid and Graph views W4 LORD MicroStrain SENSING SYSTEMS WSDA Base 104 USB Base Station User Manual System Operational Overview e Data file The location and size of the data file as data is added View the data in CSV format with the Open File button f End sampling The red X is used to exit the sampling window and or end sampling Once sampling has started it will continue as configured without the need to leave Node Commander open However if the node is powered off and is not configured to sample on boot up data acquisition will end and must be restarted in Node Commander To resume viewing data after the sampling window has been closed use Monitor Mode found in the gateway menu W4 LORD MicroStrain a SENSING SYSTEMS WSDA Base 104 USB Base Stati
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