Lord MicroStrain G-Link-LXRS User Manual Download Page 3

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G-Link

-LXRS

Wireless Accelerometer Node

User Manual

Table of Contents

Wireless Sensor Network Overview

Node Overview

2.1 Components List

2.2 Interface and Indicators

System Operational Overview

3.1 Software Installation

3.2 System Connections

3.3 Gateway USB Communication

3.4 Connect to Nodes

3.4.1 Adding a Node by Address

3.4.2 Using Node Discovery

3.5 Channel Configuration

3.6 Sampling Settings

3.7 Data Acquisition

3.8 Data Handling

3.9 Connect to SensorCloud™

3.9.1 Sensor Data Files

Node Installation

4.1 Mounting Recommendations

4.2 Sensor Frame

4.3 Optimizing the Radio Link

4.3.1 Range Test

Powering the Node

5.1 Selecting the Power Source

Summary of Contents for G-Link-LXRS

Page 1: ...LORD USER MANUAL G Link LXRS Wireless Accelerometer Node...

Page 2: ...25 3DM GX4 45 3DM GX4 3DM RQ1 AIFP Ask Us How Bolt Link DEMOD DC DVRT DVRT Link EH Link EmbedSense ENV Link FAS A G Link G Link2 HS Link IEPE Link Inertia Link Little Sensors Big Ideas Live Connect LX...

Page 3: ...2 3 3 Gateway USB Communication 13 3 4 Connect to Nodes 14 3 4 1 Adding a Node by Address 14 3 4 2 Using Node Discovery 14 3 5 Channel Configuration 16 3 6 Sampling Settings 18 3 7 Data Acquisition 19...

Page 4: ...6 4 Operational Considerations 41 6 4 1 Measurement Range 41 6 4 2 Node Sampling Rates 41 6 4 3 Gravity Offset 41 6 5 On board Temperature Sensor 42 7 Troubleshooting 43 7 1 Troubleshooting Guide 43 7...

Page 5: ...10 2 Operating Specifications 60 10 3 Power Profile 62 10 4 Radio Specifications 63 11 Safety Information 64 11 1 Battery Hazards 64 11 2 User Configurable Power Settings 65 11 3 Power Supply 66 11 4...

Page 6: ...llows 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...

Page 7: ...mbined readings from the accelerometers produce a triaxial acceleration output The node has 12 bit resolution with a measurement bandwidth of 0 to 500 Hz The node can log data to internal memory and t...

Page 8: ...for charging the internal battery and is purchased separately For a complete list of available configurations accessories additional system products and ordering information see Parts and Configuratio...

Page 9: ...icator and a charge source indicator The following table describes basic indicator behavior During data acquisition the device status indicator has other sequences see Device Status Indicators on page...

Page 10: ...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 Comman...

Page 11: ...quiring viewing and saving data l Live Connect is a TCP IP to serial conversion tool that translates the communications between Node Commander and an Ethernet gateway l WSDA Data Downloader is used to...

Page 12: ...ost computer vary depending on which model gateway is used but they all require interface to a host computer or network The WSDA Base 10x LXRS gateway utilizes local serial connections to the host com...

Page 13: ...e 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 indicat...

Page 14: ...chased 1 To add a node by address right click on the gateway name in the Controller window and select Add Node Add Single Node Figure 5 Adding a Node by Address 2 The node address and frequency are in...

Page 15: ...Discovery Figure 6 Using Node Discovery 2 Turn on the node with the node power switch Within a few seconds during power up the node will transmit a message with its operating frequency 3 When the devi...

Page 16: ...nels 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 t...

Page 17: ...el b Channel diagram shows channel electronics and data flow c Conversion Coefficients defines the type and units of the measurement being made d Sensor Slope is the sensor sensitivity value used to c...

Page 18: ...tting uses a large amount of system bandwidth and can significantly reduce node battery life Streaming is recommended primarily for diagnostics and is not supported in SensorCloud In general when dete...

Page 19: ...enu 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 Start...

Page 20: ...e will be saved on the host computer Use the Browse button to select a preferred location b Node configuration includes the node serial number sampling settings bandwidth calculation and current statu...

Page 21: ...ng 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...

Page 22: ...ode 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 m...

Page 23: ...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...

Page 24: ...y and aggregation 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...

Page 25: ...rCloud 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 Figure 15 SensorCloud Log in or Register The SensorCloud...

Page 26: ...roStrain 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 selections are listed by node channel o...

Page 27: ...ster processing Users can write their own algorithms for custom applications Refer to the MathEngine website for more information http sensorcloud com mathengine For more information about SensorCloud...

Page 28: ...specified at the beginning of sampling 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...

Page 29: ...here are two mounting tabs on the node with holes for fastening For proper coupling of the accelerometer to the substrate being measured it is recommended that the node or external sensor if applicabl...

Page 30: ...ted such that the axis are aligned appropriately for the measurement application The axis orientation is referred to as the sensor frame and is indicated on the device information label Figure 22 Sens...

Page 31: ...a 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 to allow a clearer LOS pat...

Page 32: ...ice Configure menu and is highly dependent on the physical environment surrounding the devices 1 Right click on the node header and select Communicate Range Test Figure 23 Range Test Menu 2 The total...

Page 33: ...e node is manufactured the switch is set to operate using the internal battery External battery holders are also available for the G Link LXRS and can be used to extend battery operating capacity and...

Page 34: ...node is powered by a rechargeable 220 mAH lithium polymer battery This battery is not user serviceable Node battery life is highly dependent on operational parameters such as sample mode and rate More...

Page 35: ...attery while acquiring data may induce noise on sensitive sensor signals and is not recommended 1 Turn the node power switch off and plug the node power supply into the node and then into a 120 240VAC...

Page 36: ...or charging the node or another regulated AC to DC power supply with the appropriate output parameters see Operating Specifications on page 60 It can also be powered by an external battery or other re...

Page 37: ...the volt to bit scale of the internal analog to digital voltage converter A D converter Sensor readings can be displayed and recorded in A D value bits directly or further converted to engineering uni...

Page 38: ...e channel Configuration menu 1 To enter the Configuration menu right click on the Node heading and select Configure Configure Node The Channels tab displays channel options available for the current n...

Page 39: ...this is appropriate contact LORD MicroStrain Technical Support see Technical Support on page 52 The conversion values include the slope offset and formula for converting the sensor A D value bits to...

Page 40: ...t The slope is the ratio of original units to new engineering units EU and it is used to convert the sensor measurements The slope conversion value will vary depending on the engineering units desired...

Page 41: ...rate is set to 500 Hz set the cutoff frequency between 100 Hz and 250 Hz 6 4 2 Node Sampling Rates The G Link LXRS is capable of sampling up to 4096 Hz For measuring vibration it is recommended to use...

Page 42: ...rature Sensor l The G Link LXRS has an on board solid state temperature sensor mounted on the surface of the circuit board l The temperature sensor output is connected to channel 4 of the G Link LXRS...

Page 43: ...G Link LXRS Wireless Accelerometer Node User Manual Troubleshooting 43 7 Troubleshooting 7 1 Troubleshooting Guide...

Page 44: ...the node is manufactured it is set to internal battery operation but it can be configured to accept an external source When set to accommodate an external source the battery cannot be charged 1 5 nod...

Page 45: ...the extended timeouts are enabled in the Node Commander Edit Preferences menu under Devices Once communication has been established the network configuration can be changed 2 3 node cannot be configu...

Page 46: ...ode 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 co...

Page 47: ...pling settings 3 3 sampling has not started 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...

Page 48: ...attery fault condition Reset by unplugging power and then plugging it back in Device status indicator OFF Node OFF or sleeping OFF with occasional flash Node sleeping with radio check intervals enable...

Page 49: ...irmware to the most current version Updates are found on the LORD MicroStrain website See Technical Support on page 52 for contact and website information 1 Download the LXRS Firmware Upgrade file fro...

Page 50: ...F1 key 6 Click Upgrade Firmware and the Node Firmware Upgrade window will appear 7 Click Browse and navigate to the downloaded zhex file 8 Click Write and the upgrade sequence will begin When complete...

Page 51: ...rmal turn around for RMA items is seven days from receipt of item by LORD MicroStrain Warranty Repairs LORD MicroStrain warrants its products to be free from defective material and workmanship for a p...

Page 52: ...s and product manuals http www microstrain com support_overview aspx For further assistance our technical support engineers are available to help with technical and applications questions Technical Su...

Page 53: ...anual Maintenance 53 8 Maintenance There are no user serviceable parts on the G Link LXRS For device service and repair contact LORD MicroStrain Technical Support see Technical Support on page 52 Open...

Page 54: ...tle differently and should be selected based on the application The three calibration options are Standard NIST and ASTM Refer to the operating and mechanical specifications for details see Specificat...

Page 55: ...ging power supply for G Link LXRS with international plug adapters 6302 1000 IP66 NEMA4 rated rugged outdoor enclosure for G Link LXRS 6306 0100 IP66 NEMA4 rated rugged outdoor enclosure for G Link LX...

Page 56: ...02 SK RS232 Gateway Starter Kit 6307 1021 WSDA BASE 101 SK Analog Gateway Starter Kit 6307 1011 Replacement USB cable 9022 0029 USB Gateway cable extender 6307 0900 Replacement serial cable 4005 0005...

Page 57: ...RD 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 o...

Page 58: ...G Link LXRS Wireless Accelerometer Node User Manual Specifications 58 10 Specifications 10 1 Physical Specifications Standard and NIST option...

Page 59: ...G Link LXRS Wireless Accelerometer Node User Manual Specifications 59 ASTM option...

Page 60: ...our system Synchronization between nodes 32 sec Operating Parameters Radio frequency RF transceiver carrier 2 405 to 2 470 GHz direct sequence spread spectrum over 14 channels license free worldwide r...

Page 61: ...Manual Specifications 61 Parameter Specifications Regulatory compliance FCC U S IC Canada CE ROHS Calibration options Standard NIST ASTM ASTM option has different physical form factor and frequency f...

Page 62: ...higher sample rates equate to increased power use Below is an example approximation of the power use of a G Link LXRS over a range of sample rates operating in Synchronized Sampling mode This chart ca...

Page 63: ...er than what is provided may void FCC compliance NOTE l The gateway can automatically manage nodes operating on different frequencies by using the Node Discovery feature in Node Commander In this rout...

Page 64: ...ate the node at temperatures above 212 F 100 C Do not disassemble short circuit crush puncture or otherwise misuse the battery When recharging the node internal battery use only the power supply speci...

Page 65: ...d the charging power supply is plugged in it will power the node from the power supply and not charge the battery It will continue to use the internal battery l If the node is set to internal and an e...

Page 66: ...ort circuits and ground faults Failure to do so could result in personal injury and permanent damage to the device For details on how to connect the power supplysee Connecting an External Power Supply...

Page 67: ...find it SensorCloud Overview http www sensorcloud com system overview MathEngine Overview http www sensorcloud com mathengine LORD MicroStrain Wireless Sensors Network Software Development Kit http w...

Page 68: ...configurable time durations and intervals Calibration to standardize a measurement by determining the deviation standard and applying a correction or calibration factor Configuration a general term a...

Page 69: ...n electronic equipment 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...

Page 70: ...ack of the current time Resolution in digital systems the resolution is the number of bits or values available to represent analog values or information For example a 12 bit system has 4 096 bits of r...

Page 71: ...have a user defined start and end time or continuous continued until the power is cycled on the node Synchronized Sampling a sampling mode that automatically coordinates all incoming node data to a p...

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