When using TIA Portal for structured programming of medium to large projects, it is often necessary to use Function Blocks (FB). Each time an FB is called in the program, a separate Instance Data Block (DB) must be specified to store the input, output, and static variables of the function block. For very small FBs … Read more
Abstract: PLC system failures can lead to significant losses. Rapidly locating and resolving issues is a core competency for engineers. This article systematically introduces practical tools such as LED status light diagnostics, online diagnostics, and Trace tracking functions using Siemens S7-1200/1500 PLC and TIA Portal as examples, establishing an efficient fault troubleshooting methodology. No matter … Read more
【Introduction】Starting from version V15 of TIA Portal, the Modbus (RTU) instruction set has been updated to version V4.0 and above. The S7-1200 firmware must be at least version V4.2. This article mainly discusses the new features of Modbus RTU version 4 and above. S7-1200 Motion Control Example Download S7-1500 Analog Module Wiring Diagram PLC Manual … Read more
Introduction In the world of PLC programming, do you often encounter the frustration of completing the same task in a day while others finish it in half a day? In fact, aside from differences in software proficiency, the correct methods and tool usage habits are often the key to efficiency gaps. Today, we will share … Read more
Siemens General + TIA Portal + EPLAN Electrical Drawing Video Recordings for Sale at Low Price! Chuangkong Education Siemens General Class Course Introduction S7-1200 Memory Card User Guide 1. Basic Introduction to S7-1200 Memory Card The memory card used by S7-1200 CPU is an SD card, which has the following four functions (actually three): 1. … Read more
Today, we will discuss a topic that excites many industrial control enthusiasts – how the S7-1200 can create an industrial IoT gateway. Imagine being able to achieve remote monitoring and intelligent management of devices with a small PLC; doesn’t that sound cool? Let’s unveil this technology together! 1. What is the S7-1200 Industrial Gateway? The … Read more
How to Smoothly Upgrade an Old Siemens PLC Control System? This upgrade guide will help you successfully complete the technical transformation and improve production efficiency! Hello everyone, I am Hanhan. Today we will talk about how to give an old Siemens PLC control system a “big health check”. Many factories are still using the S7-300 … Read more
Reprint please indicate the source This article mainly introduces the solutions related to CAN/CANopen/J1939 protocols in the SIMATIC product family. CAN protocol originated in the automotive industry, and in the industrial field, especially the CANopen protocol based on CAN, has many applications in some drive control areas. SAE J1939 protocol is based on CAN as … Read more
Modbus RTU Communication Overview of Modbus RTU Communication In modern highly integrated industries, communication between PLCs is often used. Common communication protocols include Modbus, Profibus DP, Profinet, CANOPEN, etc. Today, we will explain how to perform Modbus RTU communication between two PLCs using Siemens TIA Portal. Before establishing communication, we must meet the following software … Read more
Since the advent of PLC technology, it has played a very important role in the field of industrial control. With the development of automation, information technology, and remote control, industrial control systems have become increasingly complex. The Siemens S7-1200/1500 PLC has a broad application prospect in the industrial control field due to its high engineering … Read more