A measurement system with dual Modbus connections linked through MQTT/TLS to a remote server: internal details and first operation results

This work presents a renewable energy measurement system with two Modbus protocol connections (RTU/Serial to internal modules, TCP to external units) and achieves a TLS-encrypted link between the datalogger module and a centralized remote dashboard application. Recent installation and commissioning...

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Autores principales: Castello, Marcelo, Oliva, Rafael Beltran
Formato: Artículo publishedVersion
Lenguaje:Español
Publicado: FIUBA 2022
Materias:
Monitoring system
Modbus protocol
MQTT/TLS protocol
renewable energy
sistema de monitoreo
protocolo MQTT/TLS
protocolo Modbus
energía renovable
Acceso en línea:https://elektron.fi.uba.ar/elektron/article/view/160
https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=elektron&d=160_oai
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Repositorio Digital de la Universidad de Buenos Aires (UBA) de Universidad de Buenos Aires
id I28-R145-160_oai
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spelling I28-R145-160_oai2026-02-11 Castello, Marcelo Oliva, Rafael Beltran 2022-12-15 This work presents a renewable energy measurement system with two Modbus protocol connections (RTU/Serial to internal modules, TCP to external units) and achieves a TLS-encrypted link between the datalogger module and a centralized remote dashboard application. Recent installation and commissioning of high quality instruments allow for reliable information to be collected, and the system offers remote monitoring and data persistence. The logger acquires wind data using Thies sensors installed on the wind turbine tower, and current and voltage from both the wind turbine and an array of photovoltaic panels. Energy is stored in a battery bank and is used to supply electric power to a greenhouse. In this nearby building, an additional module to measure temperature and humidity of the plant-growing environment was developed and programmed. The module communicates via RS485 using Modbus RTU with the main datalogger, which also uses an internal network connection through Modbus TCP to a Raspberry Pi4B board. The Pi board converts the readings to MQTT/TLS, an added security feature before sending data to the remote server which runs the dashboard application. A continuous performance analysis of the renewable energy unit is possible due to the availability and persistence of real-time data on the server and also on the CF card of the datalogger. Este trabajo presenta un sistema de medición para equipamiento de energías renovables que incorpora dos conexiones basadas en el protocolo abierto Modbus (RTU/Serial hacia módulos internos, TCP hacia el exterior) y logra la vinculación entre el módulo datalogger y un dashboard centralizado remoto. La instalación y puesta en marcha reciente de instrumentos de alta calidad hacen posible reunir información confiable y a la vez contar con un monitoreo y persistencia remota de los datos. El conjunto toma información de viento utilizando sensores Thies instalados en la misma torre de un aerogenerador e información de corriente y tensión producida por un conjunto de paneles fotovoltaicos y aerogenerador que cargan un banco de baterías y suministra energía a un invernadero. A su vez, se construyó y programó un módulo auxiliar externo para medición de temperatura y humedad en el invernadero, comunicado por RS485 y protocolo Modbus RTU con el datalogger principal. El datalogger envía los datos a través de Modbus/TCP a una Raspberry Pi 4B que convierte este protocolo a MQTT TLS para dar seguridad a la transmisión de los datos, ya que el servidor con el dashboard se encuentra fuera de la red de campo. El análisis de performance del sistema híbrido eólico-solar de baja potencia es posible debido a la disponibilidad y persistencia de los datos en el servidor remoto y localmente en la tarjeta CF del datalogger. application/pdf text/html https://elektron.fi.uba.ar/elektron/article/view/160 10.37537/rev.elektron.6.2.160.2022 spa FIUBA https://elektron.fi.uba.ar/elektron/article/view/160/304 https://elektron.fi.uba.ar/elektron/article/view/160/307 Derechos de autor 2022 Marcelo Castello, Marcelo Castello, Rafael Beltran Oliva Elektron Journal; Vol. 6 No. 2 (2022); 120-128 Revista Elektron; Vol. 6 Núm. 2 (2022); 120-128 Revista Elektron; v. 6 n. 2 (2022); 120-128 2525-0159 2525-0159 Monitoring system Modbus protocol MQTT/TLS protocol renewable energy sistema de monitoreo protocolo MQTT/TLS protocolo Modbus energía renovable A measurement system with dual Modbus connections linked through MQTT/TLS to a remote server: internal details and first operation results Sistema de medición con dos conexiones Modbus vinculado a través de un enlace MQTT/TLS a un servidor remoto: detalles internos y primeros resultados info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=elektron&d=160_oai
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-145
collection Repositorio Digital de la Universidad de Buenos Aires (UBA)
language Español
orig_language_str_mv spa
topic Monitoring system
Modbus protocol
MQTT/TLS protocol
renewable energy
sistema de monitoreo
protocolo MQTT/TLS
protocolo Modbus
energía renovable
spellingShingle Monitoring system
Modbus protocol
MQTT/TLS protocol
renewable energy
sistema de monitoreo
protocolo MQTT/TLS
protocolo Modbus
energía renovable
Castello, Marcelo
Oliva, Rafael Beltran
A measurement system with dual Modbus connections linked through MQTT/TLS to a remote server: internal details and first operation results
topic_facet Monitoring system
Modbus protocol
MQTT/TLS protocol
renewable energy
sistema de monitoreo
protocolo MQTT/TLS
protocolo Modbus
energía renovable
description This work presents a renewable energy measurement system with two Modbus protocol connections (RTU/Serial to internal modules, TCP to external units) and achieves a TLS-encrypted link between the datalogger module and a centralized remote dashboard application. Recent installation and commissioning of high quality instruments allow for reliable information to be collected, and the system offers remote monitoring and data persistence. The logger acquires wind data using Thies sensors installed on the wind turbine tower, and current and voltage from both the wind turbine and an array of photovoltaic panels. Energy is stored in a battery bank and is used to supply electric power to a greenhouse. In this nearby building, an additional module to measure temperature and humidity of the plant-growing environment was developed and programmed. The module communicates via RS485 using Modbus RTU with the main datalogger, which also uses an internal network connection through Modbus TCP to a Raspberry Pi4B board. The Pi board converts the readings to MQTT/TLS, an added security feature before sending data to the remote server which runs the dashboard application. A continuous performance analysis of the renewable energy unit is possible due to the availability and persistence of real-time data on the server and also on the CF card of the datalogger.
format Artículo
publishedVersion
author Castello, Marcelo
Oliva, Rafael Beltran
author_facet Castello, Marcelo
Oliva, Rafael Beltran
author_sort Castello, Marcelo
title A measurement system with dual Modbus connections linked through MQTT/TLS to a remote server: internal details and first operation results
title_short A measurement system with dual Modbus connections linked through MQTT/TLS to a remote server: internal details and first operation results
title_full A measurement system with dual Modbus connections linked through MQTT/TLS to a remote server: internal details and first operation results
title_fullStr A measurement system with dual Modbus connections linked through MQTT/TLS to a remote server: internal details and first operation results
title_full_unstemmed A measurement system with dual Modbus connections linked through MQTT/TLS to a remote server: internal details and first operation results
title_sort measurement system with dual modbus connections linked through mqtt/tls to a remote server: internal details and first operation results
publisher FIUBA
publishDate 2022
url https://elektron.fi.uba.ar/elektron/article/view/160
https://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=elektron&d=160_oai
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