1. Siemens RECRUIT LOGO and S7-200 are ultra-compact PLCs suitable for single machine control or small system control, applicable in various industries and situations for automatic detection, monitoring, and control. S7-300 is a modular small PLC system that can be used for direct control of devices and can monitor multiple lower-level programmable controllers. It is … Read more
Everyone knows that industrial production and technological development are inseparable from the automation control of PLCs. PLC can be broadly understood as: a centralized relay extension control cabinet. In practical production applications, PLC greatly reduces the cost of industrial control and enhances the centralized management and automatic control of equipment. To learn PLC well, it … 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 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
Introduction Recently, Siemens PLC prices have surged significantly, causing quite a stir in the industrial control sector. Not only have prices increased, but there are also shortages, forcing many to change their plans. It is said that chip replacements have been completed recently, and supply is expected to resume soon, along with price adjustments. This … 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
1. Omron PLC Programming Software The Omron PLC programming software integrates CX-Programmer V9.5, providing comprehensive software support for Omron PLC programming, fully compatible with 32/64-bit WIN8 systems, and available in multiple languages, including Simplified Chinese. It can be used for configuring networks, programmable terminals, servo systems, electronic temperature control, and more. It is suitable for … Read more
For many years, Programmable Logic Controllers (PLC) have made a leap from wiring logic to storage logic; their functionality has progressed from weak to strong, achieving advancements from logic control to digital control; their application fields have expanded from small to large, transitioning from simple control of individual devices to competent motion control, process control, … 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