Profibus

How to Diagnose PROFIBUS Communication Failures? A Systematic Approach to Troubleshooting Fieldbus Connection Issues and Tool Usage!

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How to Diagnose PROFIBUS Communication Failures? A Systematic Approach to Troubleshooting Fieldbus Connection Issues and Tool Usage!

How to Diagnose PROFIBUS Communication Failures? A Systematic Approach to Troubleshooting Fieldbus Connection Issues and Tool Usage! Hello everyone! Today I want to share a “nightmare” in the field of industrial automation—the methods for diagnosing PROFIBUS communication failures. In my over ten years of experience in industrial automation projects, PROFIBUS failures are one of the … Read more

Guide to Selecting Fieldbuses: Which is Better, Profibus, Modbus, or EtherCAT?

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Guide to Selecting Fieldbuses: Which is Better, Profibus, Modbus, or EtherCAT?

Guide to Selecting Fieldbuses: Which is Better, Profibus, Modbus, or EtherCAT? Hello everyone, I am Xiao Feng. Yesterday, I received a call from a junior colleague who said he had a new project and needed to choose a fieldbus. He asked me, “Xiao Feng, with so many fieldbuses available, which one should I choose? Is … Read more

PROFIBUS Slave to SNMP Agent – ADFweb Gateway Converter – Guangzhou Xinyu IoT

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PROFIBUS Slave to SNMP Agent - ADFweb Gateway Converter - Guangzhou Xinyu IoT

PROFIBUS Slave to SNMP Agent – ADFweb Gateway Converter– Guangzhou Xinyu IoT Author: Zou Wuyi Mobile185-020-77899 Email: [email protected] 1 Features: HD67169 – A1 is a PROFIBUS slave/ Simple Network Management Protocol (SNMP) agent converter. It has the following features: • Maximum support for read operations of 244 bytes, maximum support for write operations of 244 … Read more

PLC: Essential for Smart Factories! A Guide to Configuring Siemens PLC Communication Modules (with Code)

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PLC: Essential for Smart Factories! A Guide to Configuring Siemens PLC Communication Modules (with Code)

In the field of industrial automation, communication is the “nervous system” connecting various control systems. The configuration of Siemens PLC communication modules may seem simple, but it hides many “traps”. This article will explain the basic configuration methods of Siemens PLC communication modules in a straightforward manner, focusing on the applications of three commonly used … Read more

PLC Communication Essentials: From RS-485 to Ethernet, How to Seamlessly Connect Data

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PLC Communication Essentials: From RS-485 to Ethernet, How to Seamlessly Connect Data

Hello everyone, I am Maple Leaf, and I have been in the PLC industry for over twenty years. Today, let’s talk about something practical—PLC communication essentials. To be honest, communication issues in the field are the most common type of faults I encounter, without exception! Many novice engineers have stumbled in this area, including myself … Read more

Comprehensive Comparison of PROFIBUS and PROFINET

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Comprehensive Comparison of PROFIBUS and PROFINET

【Introduction】A complete video on the differences and comparisons between PROFIBUS and PROFINET. Recommended Reading (1) A Large System Failure Handling Experience (2) S7-400 DP Communication Failure Handling Example (3) S7-300 PN Communication Failure Handling Example The following video is sourced from PROFINET What Everyone is Watching 【Video】How German Engineers Create PLC Cabinets? 【Video】How are German … Read more

Overview of the Profibus-DP Communication Protocol

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Overview of the Profibus-DP Communication Protocol

1. Overview PROFIBUS-DP, where DP stands for Decentralized Periphery, is a type of computer electronic component. It features high speed and low cost, used for communication between device-level control systems and decentralized I/O. It, along with PROFIBUS-PA (Process Automation) and PROFIBUS-FMS (Fieldbus Message Specification), constitutes the PROFIBUS standard. 2. Basic Information Specifications The PROFIBUS-DP protocol … Read more

Communication Distances (Serial; Profibus; MPI; Ethernet)

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Communication Distances (Serial; Profibus; MPI; Ethernet)

In SIEMENS industrial communication, the most commonly used methods are Serial; Profibus; MPI; and Ethernet communication. The maximum communication distances for each are described in the table below. Serial Communication Type Rate Maximum Distance RS 232C 300~115200bps 15 m 20 mA TTY 9600 bps 1000 m 19,200 bps 500 m 422/485 115.2 kbps 250 m … Read more

Understanding PROFIBUS DP DB9 Interface Signals and Design

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Understanding PROFIBUS DP DB9 Interface Signals and Design

PROFIBUS DP Basic Introduction PROFIBUS DP is a classic fieldbus protocol introduced by Siemens many years ago, widely used in various industrial applications. With more domestic manufacturers participating in the production and manufacturing of PROFIBUS DP related devices, various designs for the physical connection of PROFIBUS DP have emerged. To facilitate everyone in designing the … Read more