Loadsensing LS-G6 Piconode Скачать руководство пользователя страница 30

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Figure 49: Rainfall formula

The Rainfall formula will allow you to get a cumulative pulses variation within a specific sampling period (hourly,

daily, etc.) expressed in specific units, for example in mm which is equivalent to the litres of water poured per

square metre of surface.

Содержание LS-G6 Piconode

Страница 1: ...Loadsensing LS G6 Piconode Configuring and operating the Loadsensing LS G6 Piconode ...

Страница 2: ...hermistor 10 Channel 3 Pulse counter 11 Step 4 Sensors data 12 Step 5 Radio Network configuration 12 Radio Type 12 Radio off 12 LS Radio 14 Step 6 Radio Signal Coverage Test 17 Step 7 Test results interpretation 19 Safely closing the Piconode 22 Maintenance 22 Piconode Firmware Upgrade Procedure 22 Battery lifespan 23 Data Acquisition and storage 24 Pulse counter particularities Engineering Units ...

Страница 3: ...t collects and transmits the internal temperature at each reading to an accuracy of 2 C Unlike other LS G6 nodes the antenna in a piconode is located internally in the casing upper cover The coverage tests results prove that distances over five kilometres can be achieved in urban areas You can check the specifications of the piconode here https www worldsensing com product loadsensing Equipment Th...

Страница 4: ...ure 1 Plan and section views of the mounting brackets packs of four brackets and four screws Figure 2 Lateral view of mounting brackets vertical and horizontal positions Figure 3 Screw mounting dimensions Powering the Piconode The data logger arrives sealed and without batteries installed however it is possible to have it with the batteries inserted upon request in that case you should remove the ...

Страница 5: ...ing use of a 2 mm screwdriver 2 Insert one or two C type batteries into the battery holders Polarity is indicated see Annex 4 for further information on the batteries Figure 5 One or two batteries power the Piconode Note The device has reverse battery protection but it is not safe to keep batteries reversed in the data logger for a long time Warning Risk of explosion if the incorrect batteries are...

Страница 6: ...ble to power some sensors DLog starts up once the device has been connected to the node using the USB OTG cable Manual startup is not necessary The whole configuration process shouldn t take more than five minutes and from then the node will start taking readings and sending data to the gateway once the gateway is already up and running Step 1 Connect DLog Android application Download the app onto...

Страница 7: ...eadings and downloaded data stored in the node 3 Node Configuration Access this menu to configure the node a Change node ID this is optional and allows you to change the node ID and use a different number b Set the date and time this information will be taken from the mobile phone or the laptop in use c Setup wizard sensor and radio configuration d To access node configuration on the main menu go ...

Страница 8: ...r purposes unless suggested by Worldsensing Technical Support 5 Installation tools this node does not have any installation tool implemented yet Step 3 Sensor wiring and set up Wiring can be connected once the Setup Wizard in the Android Configuration app has been initialized which is when the wiring schemes appear There are three channels from which to choose A wiring diagram shows up on the phon...

Страница 9: ...Figures 12 and 13 Three channels of the Piconode and Channel 1 options sensor types respectively Channel 1 for Full Wheatstone Bridge Potentiometer Ratiometric and Volt Single Ended 8 ...

Страница 10: ... key to knowing if a sensor is compatible with the Piconode Figure 17 Available warm up times For each one of these types of sensors a warm up time has to be set The value set by default if not changed is 5 ms Other allowed values are 50 ms 100 ms 300 ms 500 ms 1 s 2 s 3 s and 5 s The user should refer to the sensor s manual to check which value is necessary or else contact the sensor supplier to ...

Страница 11: ...or Figures 18 and 19 Wiring diagram for a thermistor and available warm up times respectively When connecting a thermistor a warm up time has to be entered refer to the above explanation on warm up time for Channel 1 10 ...

Страница 12: ...se rate of up to 50 Hz its measuring range is 0 to 2 MOhms and it has a memory capacity of 4 294 967 296 pulses that can be accumulated Once memory capacity is exceeded the Piconode will start counting over from zero Notes 1 Since LS G6 PICO has two battery cells and not much space is left its socket is removable thereby facilitating the wiring of the sensor to which to connect 2 In any case the c...

Страница 13: ...ified Radio Type There are two types of radio from which to choose namely Radio off and LS radio Figure 23 The former is meant to work in standalone this is with the Piconode collecting data from the sensor or sensors it has connected but without having deployed a gateway to transfer the data LS radio Loadsensing radio refers to having a node Piconode in this case and a gateway Radio off Only the ...

Страница 14: ...ernal dataserver currently the Piconode is not developed to work with the MultiGW new architecture After selecting the desired sampling rate and clicking on the Next button the setup is finished figure 25 Figures 23 and 24 Two options under radio type and radio off settings for standalone Piconodes 13 ...

Страница 15: ...Figure 25 End of the test LS Radio This is the radio type to select when the Piconode is meant to send the data to a Gateway frequency 14 ...

Страница 16: ...e network size chosen in the previous step For more information regarding network size limitations see the Tables Number of nodes Sampling rate and Slot time chapters in the LS G6 Gateway User Guide Network Configuration Region The Region is another parameter the user has to select according to the country in which the gateway and nodes are deployed Figure 28 This region has to match the radio con...

Страница 17: ...ve since this parameter determines the available sampling rates Large networks do not allow selection of high sampling rates For more information please check the Radio specification chapter in the Gateway User Guide Correct configuration of these two parameters network size and sensor sampling rate is crucial to prevent data transmission collisions which translates to data loss on the gateway For...

Страница 18: ...mind that DLog saves and maintains Radio settings to simplify configuration of all the nodes in a network To modify these settings Radio must be enabled again Step 6 Radio Signal Coverage Test This is the final step in node configuration DLog performs a signal coverage test to check the quality of communication with the gateway The gateway must have been previously connected and configured This te...

Страница 19: ... to the DLog app Figure 32 The remote access password is used to protect the gateway from access via the local network or the Internet It is different from the radio network password even though it is set to the same value by default unless it is changed by the user on the gateway interface credentials at Gateway Information Sheet It takes about two minutes for the coverage test to be performed Fi...

Страница 20: ...with a description of where and under what conditions the test was taken Check the results of the coverage test on the gateway web interface under Network Signal coverage test map Download all tests of this network in a csv format Figure 34 Token number generated out of an offline radio coverage test Step 7 Test results interpretation The results displayed are listed for each Spreading Factor SF F...

Страница 21: ...overage test is considered correct if any of the SFs available on the network are able to deliver at least half the packages sent For more information please refer to 01 LS G6 Gateway User Guide v1 8 and the Annex 01_ LS G6 Gateway Radio Specifications v1 8 Note Performing the Radio signal coverage test takes approximately two minutes Note Radio Australia 500MHz works differently See the wireless ...

Страница 22: ...Figure 37 Signal coverage test map from which the test results can be downloaded Figure 38 Download all tests of this network tool 21 ...

Страница 23: ... Figure 41 Tightening of the Piconode cable gland If the above conditions are not met IP67 rating cannot be guaranteed Should the data logger need further sealing due to placement in an extreme environment or in a floodable manhole additional sealants will be required to close the box See Annex 10 LS G6 Dataloggers installation on manholes Maintenance Piconode Firmware Upgrade Procedure When a new...

Страница 24: ...system works and on the temperature profile of the area Some estimated figures for a scenario with SF 9 Tx Pw 14dB European radio and with the temperature profile of Singapore average temperature 31ºC are as follows Sensor Sampling rate One battery Two batteries Potentiometer Thermistor 5 min 1 year 2 5 years 1 h 5 years 8 years 6 h 6 5 years 9 5 years Sensors Sampling rate One battery Two batteri...

Страница 25: ...g the estimated battery duration average in years for different SR SF and Tª profiles Source SAFT Data Acquisition and storage Data is stored in the laser node in comma separated variable csv files These files are available to download using the Android DLog application Both readings and health files can be downloaded For this purpose an Android device must be connected to the node Mini USB port w...

Страница 26: ...ts taking readings The maximum number of pulses that can be recorded until the reset to zero point is 2 Consequently if the user wishes to start over the data counting from zero value either the node has to be reset via the Dlog app or the engineering units have to be redefined Steps to reset the node configuration via Dlog app On setup wizard Disable channel 3 pulse counter Enable Channel 1 or Ch...

Страница 27: ...ide of the Last readings and Time series graphs panel as shown in the image below Figure 46 Figure 46 By clicking on the wheel icon it is possible to reset the pulse value to zero On formula panel choose Pulses minus an offset by clicking on the dropdown menu this formula appears by default if never configured before Figure 47 26 ...

Страница 28: ...ula This formula will allow the pulses counting to be rest Enter the value to offset to zero for example if 23 pulses recorded P0 shall be 23 to start counting over from zero value Other formulae are captured below in Figures 48 and 49 27 ...

Страница 29: ...Figure 48 Pulse count formula The pulse count formula will allow you to get a cumulative pulses variation within a specific sampling period hourly daily etc 28 ...

Страница 30: ...l formula will allow you to get a cumulative pulses variation within a specific sampling period hourly daily etc expressed in specific units for example in mm which is equivalent to the litres of water poured per square metre of surface 29 ...

Страница 31: ...ange Type Max Gain Unlicensed bands LoRA 900 MHz Adhesive FPC antenna 1 9 dBi RF exposure safety This device complies with the FCC RF exposure limits and has been evaluated in compliance with mobile exposure conditions The equipment must be installed and operated with minimum distance of 20 cm of the human body Class A device notice NOTE This equipment has been tested and found to comply with the ...

Страница 32: ...approved by the ISED to operate with the antenna types listed below with the maximum permissible gain indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Interface and frequency range Type Max Gain Unlicensed bands LoRA 900 MHz Adhesive FPC antenna 1 9 dBi RF exposure safety This devi...

Страница 33: ... Cet émetteur radio a été approuvé par l ISDE pour fonctionner avec les types d antennes listés ci dessous avec le gain maximum autorisé indiqué Les types d antennes non inclus dans cette liste ayant un gain supérieur au gain maximum indiqué pour ce type sont strictement interdits pour une utilisation avec cet appareil Interface and frequency range Type Max Gain Unlicensed bands LoRA 900 MHz Adhes...

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