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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden 
E-mail

[email protected]

 

ǀ

 Web

www.elsys.se

 

Contents

 

 
Description......................................................................................................................................... 5 

Main features of ELT Lite .......................................................................................................... 6 

Installation .......................................................................................................................................... 7 

Installing external sensors ......................................................................................................... 8 

External temperature sensor ................................................................................................ 8 

Analog input 0 

 3 or 0 

 10 Voltage ............................................................................... 8 

Powered analog input 0 

 10V ........................................................................................... 9 

Pulse count (Pull up) ............................................................................................................ 9 

Pulse count (Pull down) ..................................................................................................... 10 

Pulse count (Pull down) 

 External pulse ....................................................................... 10 

Pulse count (Pull up) 

 S0 input ...................................................................................... 11 

 20 mA input................................................................................................................... 11 

Water leak input .................................................................................................................... 12 

Meter (Decagon) sensor input ......................................................................................... 12 

Sensor configuration ...................................................................................................................... 13 

NFC Configuration ..................................................................................................................... 13 

Over the air configuration ........................................................................................................ 14 

Application parameters............................................................................................................. 14 

Sensor behavior .............................................................................................................................. 14 

NFC Read / Write ...................................................................................................................... 14 

Sensor startup ........................................................................................................................... 15 

Sampling mode / Periodic measurement ............................................................................. 16 

External sensors ........................................................................................................................ 16 

Specifications .................................................................................................................................. 17 

Sensor payload format ............................................................................................................. 17 

Summary of Contents for ELT Lite

Page 1: ...ektroniksystem i Umeå AB Industrivägen 12 90130 Umeå Sweden E mail support elsys se ǀ Web www elsys se Specifications in this document are subject to change without notice Elektroniksystem i Umeå AB 2019 ...

Page 2: ...device if it is not to be used for an extended period Otherwise the battery might leak and damage the device Never leave a discharged battery in the battery compartment The device must never be subjected to shocks or impacts To clean the device wipe with a soft moistened cloth Use another soft dry cloth to wipe dry Do not use any detergent or alcohol to clean the device Disposal note in accordance...

Page 3: ...owered analog input 0 10V 9 Pulse count Pull up 9 Pulse count Pull down 10 Pulse count Pull down External pulse 10 Pulse count Pull up S0 input 11 4 20 mA input 11 Water leak input 12 Meter Decagon sensor input 12 Sensor configuration 13 NFC Configuration 13 Over the air configuration 14 Application parameters 14 Sensor behavior 14 NFC Read Write 14 Sensor startup 15 Sampling mode Periodic measure...

Page 4: ...130 Umeå Sweden E mail support elsys se ǀ Web www elsys se Regulations 18 Legal Notices 18 Federal Communication Commission Interference Statement 18 Non modifications Statement 19 Caution 19 Industry Canada Statement 19 Declaration of conformity 19 ...

Page 5: ...is designed to be in extreme conditions ELT Lite can measure analog or digital signals Use it together with electricity meters flow meters analog sensors moisture sensors and other external sensors This is a battery powered device equipped with NFC Near Field Communication and can easily be configured from a smartphone The barcode contains DevEUI and sensor type This label is located at the back o...

Page 6: ...t Pulse counter Direct connection to various external sensors and equipment Easy installation Easy configuration IP67 Classified Battery powered Long range communication Configurable over NFC Configurable over the air Ten years of battery life Supported channel plans US902 928 EU863 870 AS923 AU915 928 KR920 923 RU864 IN865 HK923 CE Approved and RoHS compliant Depending on settings and environment...

Page 7: ...3 6V Lithium Battery ER14505 Caution Using batteries other than the ones provided may result in loss of performance and battery life and also damage to the device Dispose of properly observing environmental protection rules 3 Connect any eventual external sensors 4 Close the lid and tighten the screws carefully Make sure that the cable gland and antenna connection is tightened to prevent ingress o...

Page 8: ...red for 1 wire interface Connect a DS18B20 compatible sensor Select Temperature sensor 1 wire in the application Sensor Settings ELT input is internally pulled up by 2 2kΩ Analog input 0 3 or 0 10 Voltage Input signal between input and ground Select Analog input 0 3V or Analog input 0 10V in the application Sensor Settings ELT input is internally pulled down 0 10V 0 10V ...

Page 9: ... in the application Sensor Settings Select Eternal startup time and configure ON time for sensor External startup time is how long the sensor will be powered before sampling value ELT input is internally pulled down and the input impedance is 7 4 kΩ Pulse count Pull up Input signal between input and ground Select Pulse input pull up in the application Sensor Settings ELT input is internally pulled...

Page 10: ...up time in the application Sensor Settings and configure ON time for always on that is 1000000ms Select Pulse input pull down ELT input is internally pulled down by 50 kΩ Pulse count Pull down External pulse Input signal between input and GND Pulse signal from 3 to 12 voltage Select Pulse input pull down in the application Sensor Settings ELT input is internally pulled down by 50 kΩ ...

Page 11: ...signal between input and ground Select Pulse input pull up in the application Sensor Settings ELT input is internally pulled up by 50 kΩ 4 20 mA input Select Analog input in the application Sensor Settings Connect resistor parallel to the input Value of R can be calculated as 𝑈 𝑅 𝐼 For full range use 500Ω resistor 20mA will then read as 10V ...

Page 12: ...r open ends to IO2 and IN Select Water leak in the application Sensor Settings Range 0 255 depending on conductivity Meter Decagon sensor input Connect the Meter Decagon sensor 10HS EC 5 or ECH20 5TE according to the diagram Try to use a short cable Select Meter Decagon in application Sensor Settings or Meter Decagon ECH20 5TE if you have connected ECH20 5TE ...

Page 13: ...uration 1 Download ELSYS Sensor Settings application from Google Play or App Store from iOS 13 and install it on a smartphone or tablet The device must support NFC 2 Enable NFC on the device and start the application 3 Place your device on top of the NFC antenna on the sensor 4 Remove the device Current settings will be displayed in the application 5 Use the application to change any settings if n...

Page 14: ...ting NFC configuration data to the sensor it starts a timer and delays its action 5 seconds 2 After the delay the sensor determines if the NFC data has changed or not If the data has changed the sensor reboots and starts from power up 3 Write your settings in the application and then locate the NFC antenna of the phone and sensor Keep the two devices close and don t move them to get the best conne...

Page 15: ...he NFC chip when something changes in the sensor or if NFC data is corrupted by an NFC writer or phone The sensor always writes the new configuration to NFC chip at startup 3 When the configuration is done the sensor tries to join the network if OTAA Over the Air Activation is enabled 4 The sensor LED flashes orange when it tries to join a network It will try to join every 10 seconds initially Thi...

Page 16: ...es periodic measurements according to the user configurations External sensors may have additional startup time Configure the External startup time according to this For best performance use a cable as short as possible to your external sensor Be careful when configuring the external startup time for your external sensors If external startup time is set to 1000000 ms the external sensor output wil...

Page 17: ...A 14505 Li SOCI2 EU directives compliance RoHS 2011 65 EU WEEE 2012 19 EU Radio protocol LoRaWAN Radio frequency band US902 928 EU863 870 AS923 AU915 928 KR920 923 RU864 IN865 HK923 Range 8 km Operating conditions 40 C 60 C 40 C 85 C External power supply 0 100 RH Dimensions 94 x 59 x 35 mm Battery life Up to 10 years Measured with settings SF10 868 Mhz The range can be greater or less depending o...

Page 18: ... B digital device according to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that i...

Page 19: ...erference that may cause undesired operation This device and its antenna s must not be co located or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi transmitter product procedures Industry Canada Statement This device complies with Industry Canada license exempt RSS standard s Operation is subject to the following two conditions 1 this device may ...

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