Aecl LoRa network for Agricultural and Industrial Automation
The integration of the existing filed devices and system in the perception layers and the communication layer in the internet of things is always a challenge for system integrators. Utilizing the long range low power LoRa communication and the Modbus RTU data protocol which is extensively used in most SCADA system, PLC and the automation system, Aecl provides a cost and effective wireless solutions for the system integration of the existing filed devices. The Aecl LoRa devices, included LoRa Master gateway and RS485 to LoRa converter, are utilized in the agricultural automation system, logistic automation system as well as the Industrial automation system. Until now, we’ve working with many system integrators worldwide to build up the IoT and IIOT.
For more application information, please kindly contact us via firstname.lastname@example.org and download the documents below for the Introduction of the LoRa Modbus RTU connection. It would be our pleasure to provide the consulting services to your questions about our products, services, and discuss about your projects.
Smart agricultural automation system via LoRa wireless communicationAecl LoRa devices are utilized in the system integration of the Agricultural automation system. Below illustration presents one of our successful story with our system integrator partners. Aecl RS485 to LoRa converter efficiently integrates and collects the data from the RS485/RS232 field devices and send the data via LoRa to the master gateway. The LoRa gateways are combined together with the system integrator’s gateway or platform to obtain the data from the field devices.
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Aecl launched devices for LoRa Peer to peer communication includes IAQ sensors, master gateway and RS485 to LoRa converter. In this article, you can find the working principle of how to use the private LoRa network for indoor air quality monitoring or integrating your existing devices into wireless network. Comparing to the wired connection, wireless connection is more flexible for the installation and also allows lower cost. The cost and effective LoRa network is ideal for smart logistics, food storage, building automation, smart agriculture and so on.
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The Aecl AUS-401 LoRa Gateway is able to wirelessly receive the data from the maximum 32 units of LoRa air quality sensors or end devices via LoRa communication and sends the data to the PLC or computer by RS485 or RS232 interface. The LoRa frequency could be adjusted from 862 ~ 932 MHz based on the regulation of different countries. The data format of the LoRa gateway is Modbus RTU protocol which makes the LoRa solutions more easy to use for system integrators. The Semtech SX1272 RF chip ensures the gateway’s stable wireless data stream, and the wireless communication makes the application more flexible, in the meantime, save more cost of installation. The LoRa gateway is used together with Aecl LoRa air quality sensors as well as the RS485 to LoRa converter to create the internet of things and accelerate the adoption of the IoT network in a simple and economic way. Besides, the transmitted data from AUS-405 is well-encrypted and meets the AES128 Encryption standard. Perfect applications are HVAC System, building management system, agricultural automation and smart storage.
The AUS-405 RS485/ RS232 to LoRa converter is the media for integrating the existing devices such as flow meter, electric meter or water meter into IoT network. The AUS-405 converter is able to receive the data from existing devices via RS485 or RS232 interface and send the data to the AUS-401 master gateway via wireless LoRa communication. Each AUS-405 LoRa converter could connect with maximum 32 units of facilities. The AUS-405 converter allows the users to simplify the process of field devices integration and reduce the cost. The AUS-405 acts perfectly as the slave for the AUS-401 gateway and could easily pair up with the gateway. Besides, the transmitted data from AUS-405 is well-encrypted and meets the AES128 Encryption standard.
Adopting advanced CMOSens sensing technology, the AHT-503 Series temperature and humidity transmitter is designed as the reliable sensor node of temperature and humidity measurement and usually used with the Aecl AUS-40X gateway to build up the private LoRa network. It is equipped with both wired RS485 and wireless LoRa interface which could be changed by DIP switches, meanwhile, the configuration enables its high flexibility of installation. Particularly, the programmable Modbus RTU protocol makes the AHT-503 transmitter ideal for process integration. The LoRa frequency of the AHT-503 temperature and RH transmitter will follow the Aecl master gateway and will be adjustable under range 862 ~ 932 MHz. Moreover, bright LCD display is optional and 4 types of enclosure are available, include wall mount type, duct mount type, outside Air type and separate type with remote sensing probe. The private LoRa sensor is widely used in the smart agriculture, smart building and smart home by system integrators who plan to implement the wireless network. The LoRa temperature and humidity transmitter have also been calibrated to exhibit excellent temperature and humidity stability.
AVC-311 LoRa transmitter is a wireless sensor node which combines carbon dioxide, temperature and relative humidity (RH) measurement in one device. Embedded advanced non-dispersive infrared (NDIR) CO2 sensing element and CMOSens temperature and humidity sensing element, the transmitter provides a high resolution of the environmental measurements in stable long range LoRa communication. Its data format is under Modbus RTU protocol which makes the transmitter ideal for most control system. In addition to the switchable RS485 interface and LoRa interface which could be easily changed by DIP switches, the air quality transmitter is also equipped with one SPDT dry contact which can be configured to a user defined CO2 set point for ventilation control. The LoRa frequency of the LoRa temperature, humidity and CO2 transmitter will follow the Aecl master gateway and will be adjustable under range 862 ~ 932 MHz. Moreover, besides the normal CO2 measurement range 0 to 2,000 ppm, high level CO2 measurement range 0 to 9999 ppm is also optional to the users for the application in the high CO2 concentration.
Utilizing the electrochemical oxygen sensing element makes the measurement of AVC-010 oxygen transmitter rather stable and accurate compare to other sensors. Having wireless LoRa communication, the wireless oxygen sensor is more easy to install and reduce the installation cost. The interface of the oxygen transmitter could be set by on board DIP switches into wired RS485 or wireless LoRa and makes the transmitter flexible on the installation. Comparing to other wireless technology, the LoRa communication of oxygen transmitter is in industrial standard Modbus RTU protocol which makes the wireless oxygen transmitter easy to be integrated with the other devices to the wireless network. For applications that require visual indication, the wall mount configuration of the Series AVC-010 can be ordered with an integral LCD display. The O2 transmitter is extensively used to monitor the O2 concentration and acts as the IAQ reference for the setting of the demand-controlled ventilation, in this way, it helps to optimize the building efficiency and decrease the energy consumption. Low level of oxygen would be harmful or even fatal to human body, thus the oxygen transmitter is perfect for household application, offices, indoor parking, basement, library, hospital, shopping mall or confined places to continuously monitor the O2 concentration.