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Title: MAN 266, GTecLink Data loggers User Manual 

 

Rev 1.0.1

 

Page 1 of 32 

 

GTecLink Data Logger 

User Manual

 

 

                                 

 

 

 

Man266 

 

1.0.1 

 

19/01/2021 

 

Philip Day 

 

Gary Pickles 

 

Richard Colegate 

Manual No. 

 

Revision

 

Date 

 

Originator

 

Checked

 

Authorised for Issue

 

Содержание GTecLink

Страница 1: ...TecLink Data loggers User Manual Rev 1 0 1 Page 1 of 32 GTecLink Data Logger User Manual Man266 1 0 1 19 01 2021 Philip Day Gary Pickles Richard Colegate Manual No Revision Date Originator Checked Authorised for Issue ...

Страница 2: ...4 Sensors Data 14 3 5 Radio Configuration 14 3 6 Radio Signal Coverage Test 16 3 7 Test Results Interpretation 18 4 GTecLink Data loggers 19 4 1 Vibrating Wire Data Loggers 19 4 1 1 Sensor connections 19 4 1 2 Barometric Measurements 20 4 1 3 Battery Lifespan 21 4 1 4 Configuration 21 4 1 5 Data Storage 22 4 2 Digital Data Logger Geo Smart Smart IPI Pro 23 4 2 1 Sensor Connection 23 4 2 2 Battery ...

Страница 3: ...sing a GTecLink Data logger The family of GTecLink data loggers consists of five different data loggers that may be used as standalone data loggers without remote communication or radio data loggers with remote communication through a gateway Please note that we will use the terms data logger and node interchangeable within this manual 2 Data Logger Installation 2 1 Equipment GTecLink data loggers...

Страница 4: ...olator tab The RTC Real Time Clock battery keeps time in the data logger regardless of whether or not C type batteries are also inserted The data logger always uses UTC time However the data can be visualized in local time in the gateway or the Android configuration a p p RTC battery is only available for multichannel data loggers c Insert C type batteries in the battery holders Between one and fo...

Страница 5: ...eading fails set the switch to BATT mode in order to power the data logger with batteries Figure 3 Detail of power switch SW A 2 3 Connecting Sensors Sensors are connected to the data logger at the terminal blocks Each terminal block corresponds to one channel of the data logger The terminal blocks accept wires that are prepared by stripping a short length of insulation from the end Each data logg...

Страница 6: ... after sensor connection All the screws must first be inserted and screwed in until they are connected to the box and then adjusted using the torque wrench If these steps are not followed the base faces and cover may not be parallel screwing may become more difficult and the screw threads or the Helicoil inserts may be damaged Moreover the joint seal may not be properly sealed and the degree of pr...

Страница 7: ...s fitted If any of these conditions are not met or if one or several components are damaged IPX7 and IPX8 ratings 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 e g Sikaflex products Note Box screws shouldn t be torqued more than 2 5 N m even though they can ...

Страница 8: ...special accessories are available for this mounting type Even though the data loggers are IP67 certified we recommend installing them in holes with proper drainage so that they won t be permanently covered with water All GTecLink data loggers are p r o t e c t e d against l i g h t n i n g a n d there i s an easy to use grounding screw Figure 4 next to the cable glands this should be connected to ...

Страница 9: ...tarts up once the device has been connected to the data logger using the USB OTG cable manual start up is not necessary When a new version of the app is available the app will display an automatic message The whole configuration process does not take more than five minutes and from that moment t h e node will start taking readings and sending data to the gateway 3 1 Download the Application and Co...

Страница 10: ...e Configuration Access this menu to configure the node a Change node ID Optional Change node ID and use a different number b Set date and time c Setup wizard sensor and radio configuration 4 Factory Reset This option resets the configuration parameters and removes all stored data This feature is designed to allow the node to be used in different sites We do not recommend using it for other p u r p...

Страница 11: ...reduced on bigger networks The app will show the available sampling rates according to the network size chosen in the previous step For more information regarding n e t w o r k size limitations see the Tables Number of nodes sampling rate and Slot time chapters in the Gateway User Guide Each type of GTecLink data logger has its own sensor configuration parameters For more information about the con...

Страница 12: ...a loggers User Manual Rev 1 0 1 Page 12 of 32 Vibrating Wire Nodes Only activate the channels that are going to be connected to a sensor and choose the sweep frequency expected for each sensor according to the sensor User manual ...

Страница 13: ...create a column f o r each a d d r e s s Analog Node This data logger is compatible with many types of Analog sensors Voltage Full Wheatstone Bridge Thermistor Current loop potentiometer Analog In Place Inclinometers Tilt meters and PT100 Choose an interface for each channel and a wiring diagram assistant will show up Choose the specific parameters required for each sensor type such as the Warm up...

Страница 14: ...g every time the refresh button is pressed Bear in mind that taking a reading m i g h t t a k e some time particularly when reading RS485 chains of digital sensors 3 5 Radio Configuration In this step you select the radio settings Enable Radio and select the correct region of radio frequency For successful communication the same region must be applied in the gateway radio configuration Enter the n...

Страница 15: ... a network To modify these settings Radio must be enabled again The network size is the number of nodes data loggers and GTecLink wireless sensors We strongly recommend initially setting it to the final number of nodes that the wireless network will have since this parameter determines the available sampling rates Bigger networks do not allow selection of small sampling rates Correct configuration...

Страница 16: ...d This test will check for correct connectivity between the data logger and the gateway The data logger will send some test packages The Android app will then check on the gateway using the Internet connection for the reception of these packets Hence the test will check for Correct gateway operation and communication Correct radio configuration o f both the gateway and data logger including matchi...

Страница 17: ...rage test the position of the Android device is saved if you gave the app permission to access the GPS data and a security token number identifies each test If the gateway and or the Android device are not connected to the Internet during the test the online test will fail and you will need to perform an Offline test In this mode however the results of the test cannot be displayed on the Android d...

Страница 18: ...gger and gateway higher SFs are capable of transmitting data at higher distances while lower SFs reach lower distances During the radio signal coverage test the data logger sends five or 10 data packages at SF7 to SF12 The number o f data packages that reach the gateway can be viewed in the results in order to ensure correct communication A coverage test is considered correct if any of the SFs ava...

Страница 19: ...iameters After each terminal block is connected we recommend taking a sensor reading in order to ensure that the connections have been carried out correctly This reading should be compared with the sensor reading at installation with a portable readout u n i t before connecting to the GTecLink data logger Note that some configuration is required during installation Cables must be connected in acco...

Страница 20: ...pressure the current pressure readings from the barometer a r e usually used d i r e c t l y The t r a n s f o r m e d data compensated by the barometric pressure is displayed if you select the option Polynomial A with compensation in the Engineering Units drop down menu see section 2 6 Should you wish to use atmospheric pressure at sea level as a measurement commonly used in meteorology the barom...

Страница 21: ...specifications USB not used Configuration 4 1 4 The vibrating wire node requires configuration of the sweep frequency before starting There are several existing predefined sweep frequencies Sweep Frequency A 450 1125 Hz Sweep Frequency B 800 2000 Hz Sweep Frequency C 1400 3500 Hz Sweep Frequency D 2300 6000 Hz Custom Sweep Frequency min value 300 Hz max value 7000 Hz To configure data logger radio...

Страница 22: ...gger 5 ch are indicated in Table 3 Memory mode is a circular buffer When memory is full logging continues by overwriting earliest readings In addition t o sensor data Health data is collected hourly which indicates battery voltage internal temperature of the node and node uptime Number of sensors Sampling rate 60 minutes 30 minutes 10 minutes 1 more than 10 years more than 20 years 3 5 years 5 8 y...

Страница 23: ... IPI Pro sensors with the standard configuration The Digital data logger with external power can power and read 50 GeoSmart or Smart IPI Pro sensors Wiring is indicated in the RS485 port of the data logger The data logger must be placed at HALF to read the inclinometers For the connection of digital data loggers at SDI ports wiring must be checked at the sensor specifications Note Always remove pl...

Страница 24: ...urs 2 hours 30 minutes 5 minutes 10 RS485 10 years 5 5 years 2 5 years 4 months 30 RS485 5 2 years 10 months 4 months 26 days Configuration 4 2 3 Configuration o f a digital data logger requires specifying a communication protocol from the options provided and bus addresses of inclinometer sensors connected to the RS485 port This is done through the Android Configuration app The bus addresses of t...

Страница 25: ...of this manual Data Storage 4 2 4 The data logger has capacity for up to 90 000 readings from the i n c l i n o m e t e r s which are two axis inclinometers with temperature variation calibration grouped by 5 sensors Table 6 Table 6 Indicative storage capacity of the Digital data logger Estimate using 5 sensors Number of sensors Sampling rate 60 minutes 30 minutes 10 minutes 5 more than 10 years 5...

Страница 26: ...ifferent sensor models that can be connected independently to four different channels Figure 49 Voltage 10 V peak to peak Full Wheatstone Bridge 39 06 mV Thermistor 40 to 85 ºC for a standard 3K ohms Current Loop 4 20 mA 2 or 3 wires Potentiometer 5 V PT100 40 to 85 ºC Figure 49 View of the Analog data logger internally where four channels can be identified ...

Страница 27: ...f different types of Analog sensors indicated in the Android Configuration App The data logger can measure both voltage differential and single ended voltage sensor outputs The standard wiring is for differential For single ended it is necessary to wire the negative input of the data logger to the data logger ground Wiring can be connected once the Setup Wizard in the Android Configuration app has...

Страница 28: ...orAnalog data logger Estimates using 4C size cells considering SF9 a Channels sampling Sensor features Current 12V 24mA Current 12V 24mA Current 24V 24mA Current 24V 24mA Warm up time 1 second 5 seconds 1 second 5 seconds 1 CH 5 min 6 months 3 months 4 months 2 months 1 CH 30 min 2 5 years 1 year 2 years 1 year 1 CH 1 hour 5 5 years 2 5 years 3 5 years 1 5 years 1 CH 6 hours 10 years 10 years 10 y...

Страница 29: ...s 1 second 5 seconds 1 CH 5 min 5 months 2 5 months 1 5 years 2 5 months 1 CH 30 min 2 5 years 1 year 10 months 1 5 years 1 CH 1 hour 4 5 years 2 5 years 1 5 years 2 5 years 1 CH 6 hours 7 years 7 years 7 years 7 years 4 CH 5 min 2 months 1 month 1 5 months 25 days 4 CH 30 min 1 year 6 months 10 months 5 months 4 CH 1 hour 2 years 1 year 1 5 years 10 months 4 CH 6 hours 7 years 5 years 7 years 4 5...

Страница 30: ...ears 1 year 1 CH 30 min 7 years 7 years 7 years 7 years 7 years 5 5 years 1 CH 1 hour 7 years 7 years 7 years 7 years 7 years 7 years 1 CH 6 hours 7 years 7 years 7 years 7 years 7 years 7 years 4 CH 5 min 5 months 6 months 6 5 months 7 months 7 5 months 4 months 4 CH 30 min 2 5 years 2 5 years 3 years 3 5 years 3 5 years 1 5 years 4 CH 1 hour 4 5 years 5 5 years 5 5 years 6 years 6 5 years 3 5 ye...

Страница 31: ...channel connectors Excitation power voltage can be 12V or 24V and warm up times can be 100 300 and 500 milliseconds or 1 2 5 and 10 seconds See section 2 3 for configuration of the radio communications of the data logger Data Storage 4 3 4 Capacity for up to 130 000 readings with four sensors connected Table 8 Number of sensors Sampling rate 60 minutes 30 minutes 10 minutes 4 more than 10 years 7 ...

Страница 32: ...t be connected to the node Mini USB port with a USB OTG cable When the GTecLink application loads data can be downloaded by clicking on the Download icon in the Sensors Data tab A Start and End date must be set and data from that p e r i o d will be downloaded The Android device allows these CSV files to be opened with downloaded applications such as e mail or cloud apps Files are also stored o n ...

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