1 Siemens Industrial Control System Industry Data Analysis According to statistics, in 2020, the share of medium and large PLCs in China’s industrial control system segment was 51.20%, while small PLCs accounted for 48.80%; regionally, European and American brands accounted for 63%, Japanese brands for 26%, and local brands only 11%; in terms of brands, … Read more
Abstract:This research studies methods for enhancing the security of the Message Queuing Telemetry Transport (MQTT) protocol and proposes a security reinforcement framework for MQTT protocol. First, the risks faced by the MQTT protocol are analyzed, extracting four security requirements: authentication, authorization, data transmission protection, and trustworthiness of the broker; secondly, the principles and applications of … Read more
MQTT Broker Proxy Server MQTT protocol is a simple transmission protocol for information data in the Internet of Things world, the full name of the protocol is Message Queuing Telemetry Transport. It is a message transmission protocol based on client-server and publish-subscribe model (Message Queue Telemetry Transport), and is an OASIS standard. The MQTT protocol … Read more
Old Jun is currently engaged in the Internet of Things industry and has a certain understanding of MQTT. This article briefly describes what MQTT is and how to use it. What Is MQTT The Internet of Things (IoT) and machine-to-machine (M2M) communication have had a lasting impact on how we interact with technology. By the … Read more
Table of Contents What is MQTT? MQTT Platform Use Cases Why is MQTT the Best Protocol for IoT? How Does MQTT Work? MQTT Workflow This article will demonstrate how to get started with the MQTT protocol through code examples. IoT and MQTT beginners can understand the concepts related to MQTT and quickly start developing MQTT … Read more
Set the public account as a star so you won’t miss the wonderful content! According to the votes from friends, the top-ranked PLC communication protocol that you most want to know about is still the EtherCAT bus communication protocol. The reason it ranks first will become clear through a series of articles introduced below. Results … Read more
PROFIBUS is defined by the German national standard DIN19245 and the European standard EN50170. In the industrial field, PROFIBUS has become a universal, open, and distinctly communicative fieldbus standard. PROFIBUS is a fieldbus technology used for data communication and control at the workshop level for factory automation, enabling a communication network from the field device … Read more
5. CAN Communication Protocol CAN stands for Controller Area Network, which was developed by the German company BOSCH, known for its automotive electronic products, and has ultimately become an international standard (ISO11519 and ISO11898). It is one of the most widely used field buses internationally. CAN is a multi-master asynchronous serial communication bus. Due to … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Today, let’s talk about the communication protocols of Siemens PLC. In automation control, the “dialogue” between devices is crucial. Just as people need a common language to communicate, industrial devices also require a “common language” to exchange information. This … Read more
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