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
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
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
1. Japan FANUC CNC System FANUC Corporation from Japan is currently the strongest company in the world in terms of research, design, manufacturing, and sales of CNC systems, with a total of 4549 employees (as of September 2005), including 1500 researchers and designers. (1) The highly reliable PowerMate 0 series is used to control small … Read more
Practical Guide to Kunlun Tongtai Touch Screen – 002 After installing the Kunlun Tongtai touch screen software, open one as the editing software and the other as the simulation software; After opening the software, select the corresponding touch screen signal and resolution, and complete the settings directly; The “Save As” menu item in the file … Read more
Point“Jinan CNC Mold Technology Research Institute” focuses on Industry frontier, mechanical videos, CNC processing technology, 3D printing, industrial robots, productioncrafts, molds, machine tools, and other cutting-edge information are waiting for you here! Siemens PLC Programming Instructions 1. Bit Logic Instructions 1.1 -||- Normally Open Contact (Address)1.2 -|/|- Normally Closed Contact (Address)1.3 XOR Bit Exclusive OR1.4 … Read more
Many users have questions about data types during the study of PLCs. This article will provide an interpretation of the basic data types in PLCs. The manual explains data types as follows: “Data types are used to specify the size of data elements and how to interpret the data. Each instruction parameter supports at least … Read more
Search on WeChat Technical Training 1. Bidirectional Movement of the Cart Use S7-200 to achieve automatic control of the cart’s bidirectional movement. The control process is as follows: press the start button, and the cart moves from the left to the right (and vice versa). When it reaches the right (or left) limit switch, the … Read more
Over 70,000 friends have followed the industrial control WeChat platform:Technical sharing,Learning exchange,Industrial control videos Solutions to RS485 Communication Port Damage in Siemens S7-200 PLC: 1. Internal RS485 Interface Circuit Diagram of S7-200 PLC: In the diagram, R1 and R2 are ordinary resistors with a resistance of 10 ohms, which serve to prevent excessive current from … Read more