Based on the Industrial Internet of Things and Industry 4.0 verification, CANopen CANopen FD is very suitable for the integration of embedded networks into industrial IoT applications. The high communication flexibility is due to the powerful USDO service. USDO conveniently enables communication between any running CANopen FD devices. Moreover, the high data throughput provided by … Read more
Connection Method 1: Not recommended, interference leads to continuous bugs. Solution 2: Connect the passive termination resistor as shown in the figure: recommended. Connection Method 3: Connect 5V active termination resistor: Incorrect Connection Method: Error 1: The bus must be connected in a linear fashion, not in a star configuration. Error 2: Missing termination resistors. … Read more
S7-1200 Modbus RTU Communication Overview (Data information source: Siemens official website) Modbus has two serial transmission modes: ASCII and RTU. Modbus is a master-slave communication mode with a single master station. There can only be one master station on the Modbus network, which does not have an address. Each slave station must have a unique … Read more
01 Introduction MODBUS communication is widely used in actual industrial sites, commonly for data exchange and monitoring between PLCs and third-party devices such as inverters and instruments. 02 Example Application Below is a case study to fully understand the application of MODBUS. The specific control requirements are for Siemens 200SMART and Siemens V20 inverter to … Read more
Click on the topElectrical Engineering Learning, follow and star it A professional self-media in the field of electrical engineering, don’t miss it Imagine a DC power supply with three pins on its output socket: positive, negative, and ground. Correspondingly, the load’s plug should also have three pins that match the power supply, so that energy … Read more
Project Address https://github.com/enddo/smod Project Introduction Based on SCADA (Supervisory Control and Data Acquisition) systems, proprietary closed network protocols have developed towards open-source solutions and TCP/IP network protocols in recent years. This makes them vulnerable to the same security flaws as traditional computer networks. The Modbus/TCP protocol is one such solution that provides free public utility … Read more
1. What is MODBUS? 1. Basic Concepts MODBUS is a soft communication protocol initially advocated by MODICON (now a brand of Schneider Electric). After practical application by most companies, it has gradually been recognized and has become a standard communication protocol. As long as data communication or transmission follows this protocol, different systems can communicate. … Read more
Long press the QR code to learn about the course Jicheng Training Network Jicheng Training Network is a brand dedicated to remote education in the manufacturing industry. Focusing for 12 years, the professional courses cover electrical basics, PLC, frequency converters, servos, human-machine interfaces, mechanical drawing, CNC, robotics, and other high-quality courses, aiming to create a … Read more
ClickââTechnical 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, letâs 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
Search WeChat Electrical Engineering Learning This article will introduce the detailed steps of Modbus communication between the S7-1200 PLC and the V20 inverter. 1. Find an S7-1200 PLC with an RS485 communication module and a V20 inverter. 2. Connect the RS485 module to the V20 inverter. The wiring method is to connect the red wire … Read more