Today, I will share with you the content about PLC, giving you a simple introduction to PLC. I will briefly introduce the following five points. 1. First, let’s talk about what a control system and a controller are. Whether in the industrial field or in real life, such as air conditioners, humidifiers, refrigerators, elevators, or … Read more
Search on WeChat Technical Training Did you know that any complex engineering application consists of several basic programming steps? Therefore, we must master the basic programming steps and some typical basic control designs. Today’s article introduces the most basic controls of the PLC control system, including initialization control, fault control, output prohibition control upon power … Read more
Today, I have gathered some ideas and methods on how to master PLC programming. I hope that after accepting this recommendation, everyone can have a general learning approach to PLC programming and independently apply PLCs to complete programming. 1. Basic Hardware Knowledge Before programming, it’s essential to understand some basic hardware knowledge. It’s best to … Read more
Search on WeChat Technical Training Before selecting a PLC, we must first determine the system plan. Once that is established, we can choose the manufacturer and model. Do you know how to make these selections? This article provides detailed introductions from manufacturers and models to input/output (I/O) points, control functions, etc., helping you choose the … Read more
Search on WeChat Tech Training Anyone engaged in electrical work knows that industrial production and technological development cannot do without the automation control of PLCs. PLC can be broadly understood as: a centralized relay extension control cabinet; In actual production applications, PLCs greatly save the costs of industrial control and enhance the centralized management and … Read more
Search WeChat Technical Training Working Principles of PLC Concept of PLC (Basic Components, Working Principles) PLC Data Types & Addressing Methods (This part needs to be clarified, PLC storage size (bit, byte, word, double word BIT BYTE WORD DWORD), types of memory (Siemens DIDQAIAQMSMVLTCHTHC area; Mitsubishi XYMDTCRVZ area), Data types (INT16 DINT32 REAL STRING WORD16 … Read more
(English Full Name Meaning): Instruction Meaning 1 LD (Load): Active Contact 2 LDN (Load Not): Inactive Contact 3 A (And): Used for Series Connection of Active Contacts 4 AN (And Not): Used for Series Connection of Inactive Contacts 5 O (Or): Used for Parallel Connection of Active Contacts 6 ON (Or Not): Used for Parallel … Read more
In modern industrial production equipment, there are a large number of digital and analog control devices, such as the start and stop of motors, the opening and closing of solenoid valves, product counting, and the setting and control of temperature, pressure, and flow. For these automatic control issues in industrial sites, Programmable Logic Controllers (PLCs) … Read more
With the development of computer technology, storage logic has begun to enter the industrial control field. The Programmable Logic Controller (PLC), as a general-purpose industrial control computer, is a representative achievement of storage logic in industrial applications.Since the first PLC was successfully developed in 1969 and applied to the automotive manufacturing assembly line, PLCs have … Read more
Search on WeChat Jicheng Training Practical tips for daily applications of PLCs, hoping to assist everyone in their daily use of PLCs. 1 Grounding Issues The grounding requirements for PLC systems are quite strict, and it is best to have an independent dedicated grounding system. Also, ensure that other devices related to the PLC are … Read more