Huichuan PLC

Communicating with Weighing Instruments via MODBUS with S7-200 SMART

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Communicating with Weighing Instruments via MODBUS with S7-200 SMART

Click↑↑Technical Training, follow and pin it to subscribe for free long-term 200,000+ industrial control personnel follow this WeChat platform: technical sharing, learning exchange, industrial control videos First, let’s introduce our hardware preparation 1 A weighing instrument that supports Modbus protocol Weighing instrument that supports Modbus protocol 2 Set up the communication parameters of the instrument … Read more

Modbus Communication Protocol Overview

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Modbus Communication Protocol Overview

Follow us for more learning resources! About Us: Qicheng Automation Training, China’s leading industrial robot training service provider. Training Programs:Robotics + PLC System Integration + Motion Control + Robotics + Machine Vision The Modbus protocol is arguably the most widely used communication protocol in the field of industrial automation. Its openness, expandability, and standardization make … Read more

New Features of Modbus TCP V6.0 Simplify Polling!

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New Features of Modbus TCP V6.0 Simplify Polling!

【Introduction】MODBUS TCP instruction V6.0 adds Modbus client function code 23, which allows reading and writing one or more holding registers from the server in a single request operation, eliminating the programming workload of polling and improving work efficiency. Join the exclusive group for electrical automation technology exchange Join the exclusive group for electrical automation procurement … Read more

Application and Programming of MODBUS Protocol in PLC Communication

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Application and Programming of MODBUS Protocol in PLC Communication

Click the ” Technical Training ” above and select “Pin to Top Public Account“ 160,000+ industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos Description: Now I will explain the application of MODBUS. Currently, most communication between the upper and lower machines in industrial control uses the MODBUS communication protocol, … Read more

Detailed Explanation of MODBUS TCP and Free Format Communication Protocols

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Detailed Explanation of MODBUS TCP and Free Format Communication Protocols

This chapter mainly introduces the MODBUS TCP communication protocol and the content of free format communication protocols. 1. Overview of MODBUS TCP Communication MODBUS TCP combines the Ethernet physical network and the network standard TCP/IP with MODBUS as the application protocol standard for data representation. MODBUS TCP communication messages are encapsulated in Ethernet TCP/IP packets, … Read more

MODBUS Communication Debugging Assistant

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MODBUS Communication Debugging Assistant

Search on WeChat PLC Technology In the actual application of industrial automation equipment, various communications are essential, such as PN communication, S7 communication, MODBUS TCP communication, and MODBUS communication, etc.; among them, MODBUS communication is the most widely used since it is an open, free, and universal communication protocol. However, often during equipment debugging on … Read more

How to Set Up Modbus TCP Communication for Siemens PLC S7-200SMART

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How to Set Up Modbus TCP Communication for Siemens PLC S7-200SMART

Modbus TCP is a traditional and widely used communication protocol that is supported by numerous intelligent devices. Siemens’ S7-200SMART, 1200, and 1500 series all provide free support (while the 300 and 400 series incur high fees), and they are presented in the form of a standard library, making operation quite convenient. Next, I will briefly … Read more

Ten Key Industrial Control Devices for Automation

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Ten Key Industrial Control Devices for Automation

Industrial automation is the wave of future industrial development. Only by keeping up with this trend can China’s automation industry flourish. The key to factory automation lies in the application of industrial control devices, and I will briefly introduce several essential industrial control products for the automation industry. 1. The brain of factory automation, the … Read more

Instrumentation and Control Systems in Chemical Engineering

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Instrumentation and Control Systems in Chemical Engineering

The Development of Process Control Instruments and Control Systems Has Gone Through Four Stages:1. In the 1950s, pneumatic unit combined instruments were the main focus. 2. In the 1960s, the emergence of electronic components like transistors allowed for the development and application of electric unit combined instruments (DDZⅡ). 3. In the 1970s, safety spark explosion-proof … Read more

PLC Programming: The Core Tool of the Industrial Intelligence Era

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PLC Programming: The Core Tool of the Industrial Intelligence Era

Click the blue text to follow us In today’s wave of industrial intelligence, PLC (Programmable Logic Controller) plays a crucial role as a core tool in the field of industrial automation. Through PLC programming, industrial production lines can achieve intelligent and precise control, thereby improving production efficiency, reducing costs, and realizing the goal of intelligent … Read more