Communication Protocol

Implementing Modbus Protocol for Communication Between MCU and PLC

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Implementing Modbus Protocol for Communication Between MCU and PLC

1. Introduction HMI (Human-Machine Interface) is increasingly used in industrial automation systems and equipment due to its small size, high performance, and strong real-time capabilities. It features various displays such as letters, Chinese characters, graphics, and images, with a simple and user-friendly interface. Equipped with long-lasting membrane button keyboards, it is easy to operate. Typically, … Read more

In-Depth Analysis of MODBUS TCP Communication Protocol and Free Format Communication Protocol

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In-Depth Analysis of MODBUS TCP Communication Protocol and Free Format Communication Protocol

Search on WeChat Technical Training This chapter mainly introduces the MODBUS TCP communication protocol and free format communication protocol based on Ethernet. 1. Overview of MODBUS TCP Communication MODBUS TCP combines the physical Ethernet network and the network standard TCP/IP with MODBUS as the application protocol standard for data representation. The MODBUS TCP communication message … Read more

Overview of ARINC429 Products

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Overview of ARINC429 Products

Introduction to ARINC429 Bus >>>> Overview The ARINC429 bus protocol was established by the Aeronautical Radio, Inc. (ARINC) and is a specification for civil aircraft onboard data bus. The full name of ARINC429 is “Digital Information Transfer System”. The ARINC429 bus is a serial standard designed for unidirectional broadcast transmission. Only one transmitter is allowed … Read more

Introduction to Modbus: Everything You Need to Know

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Introduction to Modbus: Everything You Need to Know

In the context of industrial automation and the development of the Internet of Things, data transmission protocols are the cornerstone of all operations. Among them, the Modbus protocol has become one of the most popular communication protocols in the industrial field due to its openness, wide application, and simplicity. This article will provide an in-depth … Read more

Understanding These Buses in Embedded Development Will Ensure Job Security

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Understanding These Buses in Embedded Development Will Ensure Job Security

关注、星标公众号，直达精彩内容 Source | Online Resources What is a Bus? A bus is a common communication line for transmitting information between various functional components of a computer, consisting of a bundle of transmission wires. In fact, a bus is an internal structure that serves as a public channel for information transfer between the CPU, memory, input, … Read more

How Does Modbus Work?

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How Does Modbus Work?

Follow+Star PublicAccount, don’t miss out on exciting contentAuthor | strongerHuangWeChat Public Account | Embedded ColumnYou may not know what Modbus is, but in reality, Modbus is widely used in many industrial electronic systems. What is Modbus? Modbus is a communication protocol developed by Modicon (now Schneider Electric) in 1979 for PLCs, primarily used for networking … Read more

Understanding Modbus: Memorize These 7 Parameters

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Understanding Modbus: Memorize These 7 Parameters

Free for commercial use! A low-code visual development platform for industrial web with over 1500 components. Don’t understand Modbus? How to learn about the host computer??? It’s really not difficult! Reading Modbus temperature sensors using C#. Modbus is a widely used communication protocol in industrial automation for efficient data transmission between devices. Correctly configuring the … Read more

Key Points for Controlling Siemens PLC with C#

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Key Points for Controlling Siemens PLC with C#

Free for commercial use! A low-code visual development platform for industrial web with over 1500 components. Incredible! Zero cost, easily connect to Siemens PLC. Is it possible to use SCADA without a PLC? Communication between C# host and Siemens PLC is one of the key technologies in industrial automation. By using the host to read … Read more

In-Depth Explanation of the SPI Communication Protocol and FPGA Implementation

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In-Depth Explanation of the SPI Communication Protocol and FPGA Implementation

Click the blue text Follow us 1. Introduction to SPI SPI (Serial Peripheral Interface) is a synchronous, serial, full-duplex communication interface commonly used for data exchange between microcontrollers, sensors, memory, and other external devices. Examples include: EEPROM, RTC (Real-Time Clock), ADC (Analog-to-Digital Converter), DAC (Digital-to-Analog Converter), LCD, audio ICs, temperature and pressure sensors, MMC or … Read more

Configuration Case of CCLink to ModbusRTU Gateway for Dehumidifier Control

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Configuration Case of CCLink to ModbusRTU Gateway for Dehumidifier Control

Configuration Case of ModbusRTU to CCLink Gateway for Dehumidifier Control—Configuration Software Section In this case study, the client selected a Mitsubishi brand Programmable Logic Controller (PLC) for the control end, implementing data exchange based on the CC-Link protocol. However, the inverter side uses the ModbusRTU protocol. Due to compatibility issues between the CC-Link protocol and … Read more