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Practical Analysis of EtherCAT Protocol: Secrets to Achieving Microsecond-Level Synchronization

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Practical Analysis of EtherCAT Protocol: Secrets to Achieving Microsecond-Level Synchronization

Guide to Troubleshooting Industrial Communication Protocols: EtherCAT vs Profinet 0 ▲ A High-Frequency and Underestimated Technical Blind Spot: Port Configuration Errors When Switching Communication Protocols As a veteran in industrial control for ten years, I have seen too many engineers stumble during the selection and debugging of communication protocols. Especially when switching from Profinet to … Read more

Connecting Low Voltage Servo Systems via CANOpen to PROFINET Gateway

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Connecting Low Voltage Servo Systems via CANOpen to PROFINET Gateway

Connecting a CANOpen to PROFINET gateway with low voltage servo systems is a common application scenario in the field of industrial automation. Below is a detailed analysis of the connection process: 1. Preparation Work 1. Hardware Preparation: ● CANOpen to PROFINET gateway ● Low voltage servo system (with CANOpen interface) ● PLC (with PROFINET interface) … Read more

Implementing CANopen Slave with ES32

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Implementing CANopen Slave with ES32

CANopen is a communication protocol based on CAN that has been widely used in the industrial field. CAN provides reliable low-level data transmission, while CANopen offers a standardized application layer protocol. In the CANopen protocol, each CANopen device has an object dictionary. The CANopen device model is shown in the figure below. The object dictionary … Read more

Industrial 4.0 Bus – Profibus

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Industrial 4.0 Bus - Profibus

Industrial 4.0 Bus – Profibus What is Profibus? [PROFIBUS] PROFIBUS is a fieldbus standard used in automation technology, promoted in 1987 by Siemens and fourteen other companies along with five research institutes. PROFIBUS stands for PROcess FIeld BUS. PROFIBUS and PROFINET, which is used in industrial Ethernet, are two different communication protocols. PROFIBUS is an … Read more

S7-300: Fieldbus Control of Profibus for More Reliable Device Interconnection

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S7-300: Fieldbus Control of Profibus for More Reliable Device Interconnection

From “Old Antique” to Intelligent System: A Record of the Transformation of the S7-400 Rolling Mill Control System in the Metallurgical Industry Do you remember the urgent call I received three years ago? “Engineer Li, the No. 3 rolling mill has stopped again, the old system just can’t hold up anymore!” At that time, I … Read more

PROFIBUS: Siemens PLC Distributed Control System Architecture for Building Scalable Automation Platforms

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PROFIBUS: Siemens PLC Distributed Control System Architecture for Building Scalable Automation Platforms

PROFIBUS: Siemens PLC Distributed Control System Architecture for Building Scalable Automation Platforms unsetunsetIntroductionunsetunset In the field of industrial automation, an efficient and reliable communication network is the foundation for building intelligent production systems. PROFIBUS, as a standard fieldbus protocol launched by Siemens, has become an important link connecting various devices and control systems. This article … Read more

Avoid PROFIBUS if Possible! A Simple Comparison of PROFINET and PROFIBUS

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Avoid PROFIBUS if Possible! A Simple Comparison of PROFINET and PROFIBUS

1. Introduction to PROFINET and PROFIBUS PROFINET and PROFIBUS are two fieldbuses launched by the PNO organization, first implemented by Siemens. The two are not comparable; PROFINET is based on industrial Ethernet, while PROFIBUS is based on RS485 serial bus. Due to the different media, the protocols of the two are completely different and have … Read more

Comprehensive Analysis of Siemens PLC Communication Protocols: A Guide to Applications of PROFIBUS, PROFINET, Modbus, and Other Network Technologies

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Comprehensive Analysis of Siemens PLC Communication Protocols: A Guide to Applications of PROFIBUS, PROFINET, Modbus, and Other Network Technologies

Follow us | Discover more exciting content Alright, I will write this technical article about PLC communication protocols as “Pig Brother”. Hello everyone, today we will talk about the “nervous system” of industrial automation – PLC communication protocols. In the industrial field, data transmission between devices is as important as the human nervous system. This … Read more

Case Study: Timed Polling Program Based on S7-1200 Modbus RTU

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Case Study: Timed Polling Program Based on S7-1200 Modbus RTU

For more exciting content, click to follow “PLC Enthusiasts” The Siemens S7-1200 can communicate via Modbus RTU through communication modules, with the PLC serving as the controller, typically acting as the Modbus master. When functioning as a Modbus master, it generally polls parameters from multiple slave devices. This article introduces the timed polling program for … Read more

Detailed Explanation of Modbus Protocol and Data Types

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Detailed Explanation of Modbus Protocol and Data Types

Click 👆 above to follow Engineer Yan Ji and ★star★. Protocol Definition 1. Modbus is a request-response protocol implemented using a master-slave relationship. 2. The Modbus protocol introduces different application data units to change the packet format used in serial communication or to allow the use of TCP/IP and User Datagram Protocol (UDP) networks. Its … Read more