Αρχείο Case Studies - Infinite Informatics https://www.infinite.com.gr/case_study/ IoT Solutions, Cloud Software & Autonomous RTUs Tue, 31 Aug 2021 12:32:59 +0000 en-US hourly 1 https://www.infinite.com.gr/wp-content/uploads/2020/11/infinite_SL_0.png Αρχείο Case Studies - Infinite Informatics https://www.infinite.com.gr/case_study/ 32 32 How to connect the ADS-300 NBIoT, LTE-M to Microsoft Azure IoT Hub, AWS, Mosquitto MQTT broker https://www.infinite.com.gr/case_study/how-to-connect-the-ads-300-nbiot-ltem-end-node-to-microsoft-azure-iot-hub-aws-mosquitto-mqtt-broker/ Tue, 31 Aug 2021 12:26:53 +0000 https://www.infinite.com.gr/?post_type=case_study&p=8308 Το άρθρο How to connect the ADS-300 NBIoT, LTE-M to Microsoft Azure IoT Hub, AWS, Mosquitto MQTT broker εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

This document is dedicated to the ADS-300 an ultra low power, battery powered NBIoT, LTE-M end node. The ADS-300 supports SSL, is available for global deployment and can be used with any major Cloud IoT platform like Microsoft Azure IoT Hub, Amazon Web services, Mosquitto MQTT, etc. It is a low power device designed to operate on battery or mains power.

This following documents describe in brief how to,

  • Connect to a Microsoft Azure IoT Hub using SSL,
  • Connect to a Amazon Web services AWS using SSL,
  • Connect to Mosquitto MQTT broker

Read the complete case studies at,

Case Study MQTT_Connecting to Microsoft Azure v1.pdf

Case Study MQTT_Connecting to AWS v1.1.pdf

Το άρθρο How to connect the ADS-300 NBIoT, LTE-M to Microsoft Azure IoT Hub, AWS, Mosquitto MQTT broker εμφανίστηκε πρώτα στο Infinite Informatics.

]]> Earth Fault Monitoring for Power Grids https://www.infinite.com.gr/case_study/earth-fault-monitoring-for-power-grids/ Wed, 02 Dec 2020 23:15:14 +0000 https://www.infinite.com.gr/?post_type=case_study&p=7435 Το άρθρο Earth Fault Monitoring for Power Grids εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

This presentation is dedicated for Earth Fault Monitoring for Power Grids .

Autonomous RTUs: BSC-50D, BSC-50E, ADS-260 SIGFOX, ADS-410.

Read the complete application presentation at,

Το άρθρο Earth Fault Monitoring for Power Grids εμφανίστηκε πρώτα στο Infinite Informatics.

]]> IoT for Smart Cities Itron Network https://www.infinite.com.gr/case_study/presentation-iot-for-smart-cities-itron-network/ Fri, 27 Nov 2020 13:24:58 +0000 https://www.infinite.com.gr/?post_type=case_study&p=7286 Το άρθρο IoT for Smart Cities Itron Network εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

This presentation is dedicated for IoT technologies for Smart Cities and applications using the Itron Network.

Autonomous RTUs: ADS-410.

Read the complete application presentation at,

Το άρθρο IoT for Smart Cities Itron Network εμφανίστηκε πρώτα στο Infinite Informatics.

]]> IoT for Structural Engineering & Rail Systems https://www.infinite.com.gr/case_study/presentation-iot-for-structural-engineering-rail-systems/ Fri, 27 Nov 2020 13:06:58 +0000 https://www.infinite.com.gr/?post_type=case_study&p=7270 Το άρθρο IoT for Structural Engineering & Rail Systems εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

This presentation is for IoT technologies for Structural Engineering & Rail Systems.

Autonomous RTUs: ADU-500, ADU-700, BSC-50E, BSC-50D, ADS-260, ADS-270, ADS-410.

Read the complete application presentation at,

Το άρθρο IoT for Structural Engineering & Rail Systems εμφανίστηκε πρώτα στο Infinite Informatics.

]]> IoT for Precision Agriculture https://www.infinite.com.gr/case_study/presentation-iot-for-pprecision-agriculture/ Fri, 27 Nov 2020 13:03:50 +0000 https://www.infinite.com.gr/?post_type=case_study&p=7264 Το άρθρο IoT for Precision Agriculture εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

This presentation is for IoT technologies for precision agriculture.

Autonomous RTUs: ADU-500, ADU-700, ADS-260, ADS-270, ADS-410.

Read the complete application presentation at,

Το άρθρο IoT for Precision Agriculture εμφανίστηκε πρώτα στο Infinite Informatics.

]]> IoT for Water Telemetry https://www.infinite.com.gr/case_study/presentation-iot-for-water-telemetry/ Thu, 26 Nov 2020 17:54:43 +0000 https://www.infinite.com.gr/?post_type=case_study&p=7253 Το άρθρο IoT for Water Telemetry εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

This presentation is for IoT technologies for water telemetry.

Autonomous RTUs: ADU-500, ADU-700, BSC-50E, BSC-50D, ADS-260, ADS-270, ADS-410.

Read the complete application presentation at,

Το άρθρο IoT for Water Telemetry εμφανίστηκε πρώτα στο Infinite Informatics.

]]> Autonomous RTUs https://www.infinite.com.gr/case_study/autonomous-rtus/ Thu, 26 Nov 2020 16:52:40 +0000 https://www.infinite.com.gr/?post_type=case_study&p=7242 Το άρθρο Autonomous RTUs εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

This presentation is dedicated to Autonomous RTUs, devices that are designed to operate autonomously powered by Lithium batteries.

Autonomous RTUs: ADU-500, ADU-700, BSC-50E, BSC-50D, ADS-260, ADS-270, ADS-410.

Read the complete application presentation at,

Το άρθρο Autonomous RTUs εμφανίστηκε πρώτα στο Infinite Informatics.

]]> How to build a Sigfox IoT telemetry application https://www.infinite.com.gr/case_study/how-to-build-a-sigfox-iot-telemetry-application/ Tue, 24 Nov 2020 13:05:13 +0000 https://www.infinite.com.gr/?post_type=case_study&p=7153 Το άρθρο How to build a Sigfox IoT telemetry application εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

This document is dedicated to the ADS-260, a Sigfox end node that is designed for IoT telemetry applications. It is a battery powered device that can also power sensors. The unit incorporates a Radiocrafts  RC1682-SIG (EU/CE) or RC1692HP-SIG (USA FCC /AU/NZ/LATIN AMERICA) Sigfox module that features a unique device ID and PAC code.

In order to realize a Sigfox telemetry system in the context of this document there are some prerequisites,

  1. PC or laptop with MS Windows
  2. Internet access
  3. Recent web browser (Edge, Chrome, Firefox, Safari)
  4. A valid Sigfox account to the Sigfox Backend and a registered device to the backend.

A valid Sigfox account to the Sigfox Backend and a registered device to the backend is needed. The Sigfox backend is used to manage transmitted data and to configure means to relay data to a front end.

This document describes in brief how to,

  • use the Sigfox backend system
  • connect devices to Infinite’s cloud platform the WaT (web aided telemetry)
  • use Losant as a front end system

 

Read the complete case study at,

Το άρθρο How to build a Sigfox IoT telemetry application εμφανίστηκε πρώτα στο Infinite Informatics.

]]> How to build a LoRaWAN IoT telemetry application https://www.infinite.com.gr/case_study/how-to-build-a-lorawan-iot-telemetry-application/ Tue, 24 Nov 2020 11:57:13 +0000 https://www.infinite.com.gr/?post_type=case_study&p=7122 Το άρθρο How to build a LoRaWAN IoT telemetry application εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

This document is dedicated to the ADS-270 LoRaWAN unit, designed for IOT telemetry solutions. It is a low power device designed to operate on battery or mains power. The unit incorporates a Microchip Rn2483 (EU) or RN2903 (North America) LoRaWAN module that features a unique MAC ID.

In order to realize LoRaWAN systems a gateway with internet connectivity, an appropriately configured backend system to manage transmitted data and a front end to visualize and manage data are required.

This document describes in brief how to,

  • setup 2 different models of LoRaWAN gateways,
  • configure devices on the The Things network (TTN) backend.
  • connect devices to Infinite’s cloud platform the WaT (web aided telemetry)

The Things Network backend runs an open Internet of Things infrastructure supported by a global ecosystem of thousands of developers, IT integrators, hardware manufacturers, universities and governments.

In order to successfully configure and register the device the user must prepare the following identification credentials,

  • Device EUI (8 digit HEX) printed on a sticker inside the device
  • Application EUI (8 digit HEX) acquired from the TTN platform
  • Network Session Key (16 digit HEX) acquired from the TTN platform
  • Net App Session Key (16 digit HEX) acquired from the TTN platform
  • Device address (8 digit) acquired from the TTN platform

Read the complete case study at,

Το άρθρο How to build a LoRaWAN IoT telemetry application εμφανίστηκε πρώτα στο Infinite Informatics.

]]> In situ measurement of soil moisture with SDI-12 sensors https://www.infinite.com.gr/case_study/in-situ-measurement-of-soil-moisture-with-sdi-12-sensors/ Thu, 05 Nov 2020 07:00:20 +0000 https://www.infinite.com.gr/?post_type=case_study&p=5077 Το άρθρο In situ measurement of soil moisture with SDI-12 sensors εμφανίστηκε πρώτα στο Infinite Informatics.

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Introduction

Soil moisture measurements are important for a number of applications and for a number of different reasons. Applications include land slide studies, erosion, water shed studies, climate studies, predicting weather, flood warning, crop quality and yield optimization, irrigation, and soil remediation to name a few.
Measuring soil moisture is important in agriculture to help farmers manage their irrigation systems more efficiently. Not only are farmers able to generally use less water to grow a crop, they are able to increase yields and the quality of the crop by better management of soil moisture during critical plant growth stages.
In situ soil electrical conductivity monitoring is very important in agriculture because the salinity levels in soil moisture can have dramatic effects on crop health and yields. Agricultural soils over time may become sodic or saline and this may dramatically affect the health and yields of the crops. There are techniques that can remove the sodium to improve soil quality and increase crop production.
Time Domain reflectometry (TDR), Time domain transmissometry (TDT), Coaxial Impedance Dielectric Reflectometry (CIDR) and Frequency Domain Reflectometry (FDR) are the main methods used to measure soil moisture content and electrical conductivity. Most of the soil sensors use the SDI-12 serial protocol, allowing for multiple sensors to be connected to a data logger via a single cable.

ADU-500 Application

ADU-500, a D-size battery powered RTU/Data Logger, can address several SDI-12 soil sensors for a total of 48 measurement parameters (channels). Powered only by the internal 3.6V Lithium Thionyl battery, it can provide 12V excitation for all connected soil sensors. The restriction for the total current draw of the SDI-12 bus is:

(n-1)*IIDLE+IACT < 250mA (at 12V)
where,
n: Nr. of sensors
IIDLE: Sensor idle current (quiescent current)
IACT: Sensor active current (during measurement)

Case study

In the following example, ADU-500 is used to measure and log air temperature, humidity, precipitation and soil moisture. The ultra low power HT200 sensor is used to measure air temperature and humidity. A tipping bucket rain gauge, connected to the unit digital counter, is used to for the precipitation measurement. SDI-12 soil sensors (6 pieces) are connected to the SDI-12 port, measuring soil moisture, temperature and conductivity at various soil depths. ADU-500 performs data collection according to the selected sampling rate (e.g. every 15 minutes). The sampled data is logged and sent to an internet server via FTP, according to the selected sending rate (e.g. every 6 hours). Alert SMS are sent to predefined users.
The Lithium Thionyl battery lifetime is calculated for different sensor types.

Air temperature [°C], -40-50°C
Air humidity [%] RH, 0-100%
Rainfall [mm]
Parameters per SDI-12 sensor Soil Moisture [wfv], Soil Conductivity [dS/m], Soil Temperature [°C]
Nr. of recorded channels 21
Sampling interval 15 minutes
Logging rate 1 (every sample = 15 minutes)
Sending rate 24 (every 24 logs = 6 hours)
Manufacturer Stevens Decagon Acclima Campbell Scientific
Soil sensor Hydra Probe II 5TE / GS3 SEN-SDI CS650 / CS655
Type CIDR FDR TDT TDR
Nr. of sensors 6 6 6 6
IIDLE [mA] 1 0.3 0.015 0.135
IACT [mA] 10 10 / 25 30 45
Warm up time [sec] 3 3 3 3
Measurement time [sec] 2 0.15 0.45 0.003
Battery Lifetime [Years]1) 1.2 5 / 4 2.5 6.6

1) Calculations are based on the sensor manufacturer’s specifications.

Read more at,

 In situ measurement of soil moisture.pdf

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