business communication

Analysis of PLC and Inverter RS-485 Communication Wiring Diagram

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Analysis of PLC and Inverter RS-485 Communication Wiring Diagram

Click↑↑Technical Training, follow and pinto subscribe for free long-term 180,000+Industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos After establishing RS-485 communication between the inverter and PLC, commands sent by the PLC via the communication cable can be received. If multiple inverters are connected to the PLC via RS-485, each … Read more

The Most Comprehensive NB-IoT Knowledge for Communication Professionals

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The Most Comprehensive NB-IoT Knowledge for Communication Professionals

Typically, we categorize IoT devices into three types: ① No mobility, large data volume (uplink), requiring a wide frequency band, such as urban surveillance cameras. ② High mobility, requiring frequent switching, small data volume, such as fleet tracking management. ③ No mobility, small data volume, not sensitive to latency, such as smart metering. NB-IoT was … Read more

MQTT and CoAP Date in EMQ X World

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MQTT and CoAP Date in EMQ X World

With the advancement of 5G network technology, the Internet of Things (IoT) is rapidly developing. Today, countless IoT devices are shining in every corner of the world. However, unlike traditional internet, end-to-end communication has always been a challenge for IoT businesses. The different IoT communication protocols used create a huge gap in communication between these … Read more

Introduction to MQTT Protocol: Essential for IoT Enthusiasts

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Introduction to MQTT Protocol: Essential for IoT Enthusiasts

Follow the IoT Planet to track IoT dynamics! “IoT Planet” aligns with global industry trends, focusing on the integration of IoT and industry, and sharing technologies and applications related to IoT. MQTT (Message Queuing Telemetry Transport) is a “lightweight” communication protocol based on the publish/subscribe model. This protocol is built on top of the TCP/IP … Read more

Detailed Explanation of MQTT Protocol Code Implementation Part 1

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Detailed Explanation of MQTT Protocol Code Implementation Part 1

To pass the time, I will provide a detailed explanation of the previously written MQTT protocol code implementation; mainly focusing on the analysis and implementation of the MQTT network communication protocol, which specifically involves the splitting and processing of network data streams. Therefore, much of the content involves specific code functionalities. If you are interested … Read more

The Localization of EtherCAT in China

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The Localization of EtherCAT in China

Contemporary philosopher J.E. Dinger once said, “Fate is not a matter of chance, but of choice.” For Chinese enterprises in the context of the high integration of global manufacturing and information technology, choosing a communication technology that is easy to implement, high-performance, quick to respond, and low-cost has become crucial in determining a company’s fate. … Read more

How to Implement EtherCAT Redundancy Technology for Cable Breaks?

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How to Implement EtherCAT Redundancy Technology for Cable Breaks?

The fieldbus technology is a hot topic in the field of automation control, applied to real-time communication between multiple devices. In device connections, if a cable breaks at any point, it will affect communication between devices. Let’s take a look at how EtherCAT redundancy technology can remedy and lock communication in the event of a … Read more

S7-300 Profibus DP Communication Solutions

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S7-300 Profibus DP Communication Solutions

Click the arrow and the “blue text” to follow us! In industrial control, communication plays a very important role. Any control is based on correct, reliable, and efficient communication. Let’s learn about Siemens’ Profibus DP communication. The Profibus DP communication of Siemens is mainly divided into the following three forms. 1. Communication between the master … Read more

Key Points for Profibus DP Networking

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Key Points for Profibus DP Networking

Profibus DP Networking Key Points In industrial sites, one of the most troublesome issues for engineers is communication. Often, they feel that all their settings are correct, yet communication fails, leaving them confused. Below, we will specifically introduce how to set up a Profibus DP network for normal and stable operation. The setup of a … Read more

The Powerful Communication Features of Siemens: PROFIBUS

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The Powerful Communication Features of Siemens: PROFIBUS

When mentioning Siemens’ communication, we must talk about PROFIBUS. Are you familiar with it? PROFIBUS is used in what ways? PROFIBUS supports master-slave mode as well as multi-master and multi-slave operating modes. In a multi-master environment, the control of the bus is determined by a token-passing method among the masters; once control is obtained, the … Read more