Search on WeChatTechnical Training Weight is an important unit in life, and it is even more crucial in industry.How many kilograms of raw materials are added in the production process? How many kilograms of waste are generated, and so on… these data are essential elements supporting the smooth operation of the entire factory. So how … Read more
Hello everyone, good evening~ Today is still a technical article! Siemens Modbus RTU Communication: S7-200 smart Modbus RTU Master Communication (√) S7-200 smart Modbus RTU Slave Communication (√) RS485/232 Communication Ports and DP Connector Connection Methods S7-1200 Modbus (RTU) Instruction V3 Basic Functions S7-1200 Modbus (RTU) Instruction V4 New Functions Each S7-200 SMART CPU provides … Read more
1. Overview of MODBUS Communication The MODBUS protocol is divided into MODBUS protocol over serial links and MODBUS protocol based on TCP/IP. The serial link MODBUS protocol includes MODBUS ASCII (string) and MODBUS RTU. The MODBUS protocol library provided by 200SMART supports MODBUS RTU communication. MODBUS RTU sends data in hexadecimal values. MODBUS ASCII sends … Read more
Electrical PLC Class: The main topics include electrical safety knowledge, electrical basics, structures and principles of commonly used low-voltage electrical appliances, and troubleshooting. Installation of machine tool control circuits, principles and installation of primary and secondary distribution panels, troubleshooting of electrical faults, installation methods for lighting circuits and commonly used lamps, and methods and steps … Read more
Dear friends, hello everyone! I am Da Yi, and today I bring you a technical article about wireless communication between microcontrollers and PLCs. With the arrival of the Internet of Things era, Bluetooth technology has quietly undergone revolutionary changes, and wireless communication will play an increasingly important role in the field of industrial control. First, … Read more
Learning Siemens PLC is not as difficult as imagined. In summary: for beginners, it is sufficient to have a general understanding of PLC hardware composition, programming software, system instructions, and program structure! Next, let’s explain the key points for learning PLC. 1. Selection and Cost Recommendation: SR20 Reason for Recommendation: This starts with the Siemens … Read more
Essential knowledge that you cannot miss~ Gain insights in no time! 1. Overview For many years, Programmable Logic Controllers (PLC) have evolved from wired logic to stored logic; their functionality has advanced from basic to sophisticated, achieving progress from logical control to digital control. The application fields have expanded from simple control of individual devices … Read more
Search on WeChat Technical Training Introduction Siemens is a globally renowned provider of automation solutions, and its PLC (Programmable Logic Controller) series products are widely used in industrial control. Different series of PLCs vary in functionality, performance, and application scope. This article will detail the characteristics and differences of each Siemens PLC series. 1. S7-200 … Read more
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
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