1. Internal Structure of PLC Currently, the mainstream PLC brands include Siemens (Germany), Mitsubishi (Japan), Omron (Japan), Schneider (France), etc. Different brands use different programming software, and even different models of the same brand may use different software. For example, Siemens PLC has four programming software options: STEP 7 Microwin (S7-200), STEP 7- Micro/WIN SMART … Read more
{1. Bit Logic Instructions} (1) Contact and Coil Instructions Programming principles of PLC ladder diagram language 1. The ladder diagram consists of multiple rungs, each coil can form a rung, and each rung has multiple branches, with each rung representing a logical equation; 2. The relays, contacts, and coils in the ladder diagram are not … Read more
Hello everyone! Today we are going to do something very practical—writing a fully functional cylinder control program for the Siemens S7-1200 PLC using SCL language. Even if you have only previously worked with Ladder Diagram (LAD), it doesn’t matter; I will explain it in detail, ensuring you can understand and follow along. Once you do, … Read more
In the field of industrial automation, Mitsubishi PLC and Siemens PLC are two well-known brands, each with its unique advantages and characteristics. This article will compare and analyze the two and provide suggestions for learning choices. 1. Differences Between Mitsubishi PLC and Siemens PLC Mitsubishi PLC, originating from Japan, is known for its intuitive programming … Read more
Interconnection configuration case of Modbus to Profinet gateway with Siemens PLC: Control implementation for YONGHONG brand inverters This case demonstrates the remote control and status monitoring of YONGHONG FB series inverters by Siemens S71200 PLC through a Profinet to Modbus RTU gateway. The system mainly includes the following components: Main controller Siemens S71200–CPU1214C sends control … Read more
Screenshots of Selected E-books from the 400G Collection
The download and installation methods for PLC programming software from various brands are similar. Below, we will explain the download and installation methods for the Siemens S7-200 SMART series PLC programming software as an example.1.0 Downloading Siemens PLC Programming SoftwareThe Siemens S7-200 SMART series PLC uses the STEP 7 Micro/WIN SMART programming software, which is … Read more
Free for commercial use! A low-code visual development platform for industrial web with over 1500 components. Incredible! Zero cost, easily connect to Siemens PLC. Is it possible to use SCADA without a PLC? Communication between C# host and Siemens PLC is one of the key technologies in industrial automation. By using the host to read … Read more
Click the blue text PLC Automation Hub Follow us In industrial automation systems,real-time data interaction between multiple Siemens PLCs is key to achieving intelligent control. This article will delve into the configuration steps of GET/PUT instructions and demonstrate the cross-PLC interaction ofBoolean, Integer, Real, and String data types through complete SCL code. 1. Five Steps … Read more
Hello everyone, I am Lao Wang. I have been working in the automation industry for nearly twenty years, handling countless Siemens PLCs from the old S7-300 and S7-400 to the current S7-1200 and S7-1500. Today, let’s have a good talk about the instruction set of Siemens PLCs, which is the core language for us engineers … Read more