The Modbus communication protocol was invented by Modicon in 1979 and is the world’s earliest bus protocol used in industrial fields. Due to its free public release, manufacturers using the protocol do not need to pay any fees, so the…
Internet of things applications
Internet of things The concept of the Internet of Things was first proposed by the Auto-ID Center of the Massachusetts Institute of Technology in 1999. What is the Internet of Things? All things are connected, allowing objects that cannot communicate…
what is modbus gateway
what is modbus gateway Modbus gateway is a device that can convert Modubs TCP protocol into Modbus RTU protocol. You can understand it this way, it is an industrial router that supports the modbus protocol. I believe you will understand…
Electric meter reading, automatic remote meter reading collector
Traditional meter reading requires the meter reader to search up and down pages of the meter. Some meters also require professional key operations to query meter data. On average, each meter requires 1 to 2 minutes of meter reading time.…
Electric meter collector, water meter collector
ZHC4014 is a data transmission device specially used for collecting electricity meters and water meters, and has the function of collecting data and transmitting. One device can collect 30~40 electricity meters/water meters. This product adopts guide rail installation, which can…
Wireless networking, Internet of things wireless networking
In the Internet of Things, networking solutions are determined according to different application scenarios. Here are several typical networking solutions. 1. One-way networking One-way networking is to send the collected data to the server in one direction through the DTU…
Characteristics of the Internet of Things, what are the three major characteristics of the Internet of Things
The three major characteristics of the Internet of Things are sensing objects, information transmission, and intelligent processing. The general meaning is that the Internet of Things is the Internet where things are connected. This has two meanings: first, the core…
Application of zigbee, zigbee networking solution
Application of zigbee, zigbee networking solution As a low-speed short-distance wireless communication technology, ZigBee has its own characteristics. Zigbee has the characteristics of low power consumption, short distance, low power consumption, low speed, and flexible networking method, so it is…
métodos de comunicación plc, ¿cuáles son los métodos de comunicación PLC?
Existen dos métodos principales de comunicación del PLC, a saber, el método de comunicación paralelo y el método de comunicación serie. Vamos a explicar los dos métodos de comunicación respectivamente. Si usted necesita saber acerca del puerto serial y el puerto paralelo, por favor lea este artículo "La Diferencia...
pasarela mqtt
ZHL4921 es una pasarela MQTT industrial diseñada para satisfacer las necesidades de los clientes industriales y adoptar estándares de grado industrial. Este producto admite la comunicación MQTT basada en el protocolo Modbus, que puede ayudar a los usuarios a acceder rápidamente a las plataformas en la nube de IoT (como Baidu...
¿La LAN inalámbrica es wifi?
¿La LAN inalámbrica es wifi? Respuesta: LAN inalámbrica no es wifi Antes de hablar de esta pregunta, tenemos que saber que la LAN inalámbrica es WLAN, el nombre completo es Wireless Local Area Network. Se refiere a la aplicación de la comunicación inalámbrica...
¿Qué significa pasarela?
¿Qué significa pasarela? Una explicación fácil de entender: En la red de Internet que conocemos, el papel de una pasarela es el de un dispositivo intermedio que enlaza la red interna con otras redes de Internet. A...