Introduction: In actual work environments, PLCs may communicate and exchange data. Typically, communication requires devices to be on the same network segment. However, what if our devices are not on the same segment? This article introduces how two PLCs can perform TCP/IP communication to exchange data when they are not on the same network segment. … Read more
10.25-29 Chongqing Suzhou No Tin Siemens S7-1200/1500 PLC TIA Technology Practical Class Enrollment Open Modbus RTU Communication Discussion on Modbus RTU Communication In modern highly integrated industries, communication between PLCs is frequently used. Common communication protocols include Modbus, Profibus DP, Profinet, CANOPEN, etc. Today, we will explain how two PLCs communicate using Modbus RTU on … Read more
Hello everyone, good evening! Beginner’s Guide to TIA Portal: MODBUS-RTU Communication Configuration Continuing from the previous article, we will explain how to use MODBUS communication commands. MODBUS communication requires three commands: ① MB_COMM_LOAD command ② MB_MASTER command (Master command) ③ MB_SLAVE command (Slave command) The communication commands are located in Communication – Communication Processor – … Read more
The TIA V13 SP1 software provides two versions of Modbus RTU commands: Figure 1. Two Versions of Modbus RTU Commands The earlier version of the Modbus RTU command (MODBUS (V2.2) in Figure 1) can only communicate via the CM1241 communication module or the CB1241 communication board. The new version of the Modbus RTU command (MODBUS(RTU) … Read more
Search on WeChat Technical Training 1. How to Determine the Model of the Screen Please confirm that the screen you are using is the Comfort series screen. You can check the label on the back of the screen to verify the model and order number. The common order numbers for the Comfort screens start with … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Deep Integration of Siemens PLC and Industrial IoT: Core Driver of Digital Transformation Hello everyone, I am a dream chaser. Today, let’s talk about one of the hottest topics in the industry: how Siemens PLC deeply integrates with Industrial … Read more
Full Analysis of Alarm Interlock Emergency Shutdown Systems, Learn to Avoid Pitfalls! Today, let’s talk about a classic project in Siemens PLC programming—the alarm interlock emergency shutdown system. This is a very practical system frequently encountered in factories, but if not handled correctly, the machines may suddenly stop working at any time. So, let’s directly … Read more
Introduction: The Charm of PID Control Hello everyone, I am Ake, a tutorial author fascinated by automation technology. Today we are going to discuss a feature that sounds very “high-end” but is actually very practical— PID control. It plays a role of “stability while seeking progress” in automation control, especially suitable for controlling various “fidgety” … Read more
Hello everyone! Today, I, Dog Brother, will take you to unveil the mystery of Siemens PLC interrupt programs! Interrupt programs are a powerful tool for improving PLC efficiency. Once mastered, your automation projects can soar to new heights. Whether you are a beginner or an expert in PLCs, this article will deepen your understanding of … Read more
Hello everyone, I’m Tan Tan. Today, let’s talk about how to design a recipe management system using the Siemens S7-1500 PLC. This system allows you to easily manage the production parameters of different products, just like your smart rice cooker at home can store different cooking methods for various types of rice. 1. Basic Concepts … Read more