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Related Manuals for Lord MicroStrain Sensing SG-Link-200
Summary of Contents for Lord MicroStrain Sensing SG-Link-200
- Page 1 LORD Sensing USER MANUAL SG-Link -200 ® Wireless Analog Input Node...
- Page 2 LORD Sensing Systems 459 Hurricane Lane Suite 102 Williston, VT 05495 United States of America Phone: 802-862-6629 Fax: 802-863-4093 9:00 AM to 5:00 PM (Eastern Time US & Canada) http://www.microstrain.com sensing_support@LORD.com sensing_sales@LORD.com Document 8500-0020 Revision - Subject to change without notice.
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Page 3: Table Of Contents
SG-Link®-200 User Manual Contents Wireless Sensor Network Overview ......................5 Node Overview ............................6 2.1 Configuration Options ..........................7 2.2 Interface and Indicators ......................... 10 Figure 2 – ..............................10 Interface and Indicators ..........................10 Node Operational Modes ........................11 Figure 3 - Node Operational Modes ...................... - Page 4 SG-Link®-200 User Manual Sampling Operations Options ......................25 Figure 18 - Sampling Operations Menu ....................25 Figure 19 - Event Triggered Sampling ...................... 26 5.5 Output Operation ........................... 27 Figure 20 - Data Outputs .......................... 27 Data Handling ............................28 SensorCloud .............................
- Page 5 SG-Link®-200 User Manual Powering the Node ..........................45 ESD Sensitivity ............................. 45 Disposal and Recycling ........................45 Radio Specifications ..........................46 References ............................47 http://www.microstrain.com/support/documentation ................. 47 Product Ordering ............................48 http://www.microstrain.com/wireless......................48 Sales Support .............................. 48 Related Documents ..........................48 Table 7 - Related Documents ........................
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Page 6: Wireless Sensor Network Overview
SG-Link®-200 User Manual 1. Wireless Sensor Network Overview The LORD Sensing 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 Sensing Lossless Extended Range Synchronized (LXRS and LXRS+) data communications protocols. -
Page 7: Node Overview
SG-Link®-200 User Manual 2. Node Overview The SG-Link-200 is a small, wireless, low-cost, three-channel analog input sensor node ready for system integration. Featuring three differential input channels and an internal temperature sensor, the SG-Link-200 enables high resolution, low noise data collection at sample rates up to 1 kHz. Users can easily program nodes for continuous, periodic burst and event-triggered sampling with SensorConnect™... -
Page 8: Configuration Options
SG-Link®-200 User Manual 2.1 Configuration Options SG-Link-200 sensor node comes with the following configuration options. Factory Installed Bridge Part Antenna Configuration Completion Number Full-bridge 6308-4200 Half-bridge, 1000 Ohms 6308-4310 Half-bridge, 350 Ohms 6308-4330 Half-bridge, 120 Ohms 6308-4320 Integrated chip antenna Quarter-bridge, 1000 Ohms 6308-4410 Quarter-bridge, 350 Ohms... -
Page 9: Interface And Indicators
SG-Link®-200 User Manual 2.2 Interface and Indicators Figure 2 – Interface and Indicators Indicator Behavior Node Status Node is OFF Rapid green flashing Node is booting up on start-up 1 (slow) green pulse Node is idle and waiting Device per second for a command status 1 green blink every 2... -
Page 10: Node Operational Modes
SG-Link®-200 User Manual 2.3 Node Operational Modes Sensor nodes have three operational modes: active sleep , and idle . When the node is sampling, it is in active mode. When sampling stops, the node is switched into idle mode, which is used for configuring node settings, and allows toggling between sampling and sleeping modes. -
Page 11: Connect To Gateway And Nodes
SG-Link®-200 User Manual 3. Connect to Gateway and Nodes 3.1 Software Installation Install the SensorConnect software on the host computer before connecting any hardware. Access the free software download on the LORD Sensing website at: http://www.microstrain.com/software 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. -
Page 12: Connect To Gateway
SG-Link®-200 User Manual 3.2 Connect to Gateway Drivers for the USB gateways are included the SensorConnect software installation. With the software installed, the USB gateway will be detected automatically whenever the gateway is plugged 1. Power is applied to the gateway through the USB connection. Verify the gateway status indicator is illuminated, showing the gateway is connected and powered on. -
Page 13: Connect To Nodes
SG-Link®-200 User Manual 3.3 Connect to Nodes Several methods can be used in SensorConnect to establish communication with the nodes: the automatic node discovery on the same frequency, automatic node discovery on a different frequency, and add node manually. i. Automatic Node Discovery on Same Frequency If the base and node are on the same operating frequency, the node will populate below the Base Station listing when powering on the SG-Link-200. - Page 14 SG-Link®-200 User Manual Highlight the new node being added and select Move Node to Frequency (#). Figure 7 - Move Node...
- Page 15 SG-Link®-200 User Manual iii. Manually Add Node Adding a node manually requires entering the node address and its current frequency setting. Figure 8 - Add Node By Address If the node was successfully added, two confirmation messages will appear, and it will be listed under the Base Station.
- Page 16 SG-Link®-200 User Manual If the node failed to be added, a failure message will appear. This means the node did not respond to the base station which could indicate the node is not in idle mode or it may be on another frequency.
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Page 17: Wireless Sensor Configuration
SG-Link®-200 User Manual 4. Wireless Sensor Configuration 4.1 Hardware Configuration Node settings are stored to non-volatile memory and may be configured using SensorConnect. This chapter describes the user-configurable settings. Figure 11 - Hardware Configuration Menu Excitation Voltage- Set the voltage of the "Sensor Power" output. Use the highest voltage for best resolution. - Page 18 SG-Link®-200 User Manual Low Pass Filter - A SINC4 digital low pass filter is used to reduce noise. Set the filter to a high frequency for a fast settling time and longest battery life. Set the filter to a lower frequency for reduced noise at the cost of a longer settling time.
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Page 19: Calibration Configuration
SG-Link®-200 User Manual 4.2 Calibration Configuration Analog channels may be independently calibrated with linear calibration coefficients. Use the "Cal Tools" wizard for easy calibration for strain gauges or mV/V sensors, or output raw units such as volts and ADC counts. Figure 12 - Wireless Sensor Calibration Menu... -
Page 20: Sampling Configuration
SG-Link®-200 User Manual 4.3 Sampling Configuration There are four user-set sampling options for the SG-Link-200, including Lost Beacon Timeout, Diagnostic Info Interval, Storage Limit Mode, and Sensor Warmup Delay in the Wireless Node Configuration > Sampling menu. Figure 13 - Sampling Configuration Menu Lost Beacon Timeout - When the node is running in a synchronized network, it periodically synchronizes its time clock to a beacon broadcasted from the WSDA gateway. - Page 21 SG-Link®-200 User Manual The contents of the diagnostic packet may be viewed in the Data tab within SensorConnect. Description Data Values Data Type Unit 0 = Idle 1 = Deep sleep Current State uint8 2 = Active run 3 = Inactive run Idle uint32 seconds...
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Page 22: Power
SG-Link®-200 User Manual 4.4 Power There are multiple user- set power options for the SG- Link- 200- OEM, including Default Operation Mode, User Inactivity Timeout, Check Radio Interval, and Transmit Power, in the Wireless Node Configuration > Power menu. Figure 14 - Node Configuration Power Menu Default Operation Mode - When power is applied, the node will enter the Default Operation Mode. -
Page 23: Wireless Sensor Sampling Configuration
SG-Link®-200 User Manual 5. Wireless Sensor Sampling Configuration 5.1 Start Collecting Data There are several ways to collect data from the SG-Link-200, including from a single node, a network of nodes, or restarting the last used sampling mode Single node - From Devices, select Node address > Sample > Apply and Start Network to begin collecting data from a single wireless sensor. -
Page 24: Network Options
SG-Link®-200 User Manual 5.2 Network Options There are two network protocols available for the SG-Link-200, LXRS and LXRS+. These feature node-to-node synchronization of 50us, and unmatched lossless wireless sensor network data throughput. MicroStrain Sensing created these specifically for applications such as flight test and heavy machinery monitoring, where large amounts of raw data are generated, and node synchronization is important. -
Page 25: Derived Output Channels
SG-Link®-200 User Manual 5.2 Derived Output Channels There are three derived data channels available for the SG-Link-200. Using these data channels for trend monitoring allows the ability to extend battery life while reducing data. Each operation is performed on a window of data from the specified sensor channel, where the window size is equal to the output period of derived channel. - Page 26 SG-Link®-200 User Manual Figure 19 - Event Triggered Sampling...
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Page 27: Output Operation
SG-Link®-200 User Manual 5.5 Output Operation There are three options for managing data acquired from the SG-Link-200. The user can transmit collected data, log the data to flash memory, or do both. Figure 20 - Data Outputs... -
Page 28: Data Handling
SG-Link®-200 User Manual 6. Data Handling Data acquired through SensorConnect is automatically saved on the host computer. Saved data can be uploaded to SensorCloud. Ethernet gateways provide the option to automatically port the data to SensorCloud during data acquisition for near real-time display and aggregation. Ethernet gateways can also be configured to save data locally to internal memory for future upload to the host computer or SensorCloud. -
Page 29: Sensorcloud
SG-Link®-200 User Manual 6.1 SensorCloud 6.1.1 Connect to SensorCloud Go to the SensorCloud website and select sign-in to enter the log-in credentials, or register as a new user if needed: http://www.sensorcloud.com/ Figure 21 - SensorCloud Log-in or Register 6.1.2 Navigating Menus The SensorCloud interface has six main views. - Page 30 SG-Link®-200 User Manual 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.
- Page 31 SG-Link®-200 User Manual ® Figure 24 - MathEngine View Figure 25 - FFT Graph in SensorCloud...
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Page 32: Sensorconnect
SG-Link®-200 User Manual 6.2 SensorConnect 6.2.1 Using Dashboards and Widgets Collected data is viewed on the Data page through the creation of dashboards and widgets. Think of dashboards as individual pages and widgets as an illustration on the page. Create multiple data widgets on each dashboard to display sampled data as a time-series graph, text chart, or a simple gauge that only displays the most current reading. -
Page 33: Widgets Options
SG-Link®-200 User Manual 6.2.3 Widgets Options The widget configuration menu is different for each type of widget but typically includes sensor or channel selections and widget settings such as titles and legends. After adding a widget, left click to select and configure it in the Channels and Settings left sidebar menu. -
Page 34: Exporting Data Files
SG-Link®-200 User Manual 6.2.5 Exporting Data Files To export data to a .csv file, select the Export Data button on the Time Series widget > Export > name the document > save to the preferred location on the host computer. Figure 29 - Exporting Data... -
Page 35: Installation
SG-Link®-200 User Manual 7. Installation 7.1 Mounting Recommendations There are 2 clear-fit mounting holes on the SG-Link-200 for M8 fasteners. The node can be mounted in any orientation, but it is recommended that it is mounted in a way that see NOTE on page 36 optimizes wireless communications. - Page 36 SG-Link®-200 User Manual NOTE In the event of communication difficulties, it may be necessary to disable WIFI on the host computer, or use a USB extender when collecting data. The best method for ensuring optimal radio communication is to conduct an RF survey of the installation site.
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Page 37: Range Test
SG-Link®-200 User Manual 7.2 Range Test After establishing communication between node and gateway, use the range test feature in SensorConnect to monitor the signal strength and to optimally position the nodes, gateway, and antennae for installation. Maximum achievable range is determined by the gateway and node power settings (found in the device Configure menu) and is highly dependent on the physical environment surrounding the devices. -
Page 38: Troubleshooting
SG-Link®-200 User Manual 8. Troubleshooting 8.1 Troubleshooting Guide... - Page 39 SG-Link®-200 User Manual Possible cause and recommended solution 1.1 no power is applied The status indicator LED on the device may be off. Apply 1. POWER power to device, and the status indicator LED should illuminate. gateway or node does 1.2 power source miswired not power on Verify the device power source is connected correctly and...
- Page 40 SG-Link®-200 User Manual Possible cause and recommended solution the diagnostic for a low battery flag. 4.1 error on startup Power down node for 10 seconds and repower. 4.2 low power ERROR INDICATOR Replace battery or power source and repower node. Red LED present on 4.3 node is damaged start up...
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Page 41: Updating Node Firmware
SG-Link®-200 User Manual 8.2 Updating Node Firmware Under the recommendation of LORD Sensing Technical Support Engineers, nodes can be upgraded to the latest available firmware to take advantage of new features or correct operating issues. SensorConnect version 5.0.0 or greater can be used to update any mXRS or LXRS node or gateway firmware to the most current version. -
Page 42: Repair And Calibration
SG-Link®-200 User Manual 8.3 Repair and Calibration General Instructions In order to return any LORD Sensing product, you must contact LORD Sensing Sales or Technical Support to obtain a Return Merchandise Authorization number (RMA). All returned merchandise must be in the original packaging including manuals, accessories, cables, etc. -
Page 43: Specifications
SG-Link®-200 User Manual 9. Specifications a. Physical Specifications Dimensions:41.3 mm x 29 mm x 5.9 mm Weight: 235 grams, 326 grams w/battery... -
Page 44: Operating Specifications
SG-Link®-200 User Manual b. Operating Specifications... -
Page 45: Safety Information
SG-Link®-200 User Manual 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 Sensing Wireless Sensor Network. Powering the Node The power source is an external supply within 3.3 - 30 V dc. ESD Sensitivity The SG-Link-200 is intended to be integrated into an application appropriate housing to protect it from environmental elements, impact, and electrostatic discharge (ESD), which can disrupt operation or... -
Page 46: Radio Specifications
SG-Link®-200 User Manual Radio Specifications The SG-Link-200 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 16 separate frequencies ranging from 2.405 GHz to 2.480 GHz. Following the 802.15.4 standard, these frequencies are aliased as channels 11 through 26. -
Page 47: References
SG-Link®-200 User Manual References There are many resources for product support found on the LORD Sensing website, including technical notes, FAQs, and product manuals. http://www.microstrain.com/support/documentation For further assistance our technical support engineers are available to help with technical and applications questions. -
Page 48: Product Ordering
SG-Link®-200 User Manual Product Ordering Products can be ordered directly from the LORD Sensing 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. -
Page 49: Glossary
SG-Link®-200 User Manual 12. Glossary These terms are used 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 produces a more accurate conversion. - Page 50 ® 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...
- Page 51 SG-Link®-200 User Manual 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. Also referred to as burst sampling. Ping: a byte transmitted by the gateway to the node.
- Page 52 SG-Link®-200 User Manual 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.