Automation Control

Mitsubishi PLC Counter Applications: Pipeline Counting Alarm Scheme Based on Current and Set Values

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Mitsubishi PLC Counter Applications: Pipeline Counting Alarm Scheme Based on Current and Set Values

In pipeline production scenarios, precise control based on product quantity is key to achieving automated warnings and batch management. For example, triggering a buzzer alarm when production reaches a specified quantity alerts operators to perform subsequent actions such as material change and quality inspection. The counter function of Mitsubishi PLC can efficiently meet such requirements … Read more

How Do Signal Inputs and Outputs Work in PLC Control Cabinets?

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How Do Signal Inputs and Outputs Work in PLC Control Cabinets?

Click the blue text to follow us The PLC control cabinet effectively acquires and sends signals through input and output modules, forming a complete automation control system. After the input signals are converted into digital signals, they are processed in real-time by the CPU, which outputs signals based on different control logic to control various … Read more

Weekly Programming Example: How to Implement Array Reversal Using PLC

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Weekly Programming Example: How to Implement Array Reversal Using PLC

JZGKCHINAIndustrial Control Technology Sharing Platform Introduction In automation control systems, PLCs (Programmable Logic Controllers) play a crucial role, especially in data processing and control within industrial processes. As a PLC engineer, mastering array operations and data processing techniques is key to improving program efficiency and optimizing system performance. Today, we will explore a common yet … Read more

PLC vs DCS: Understanding the Key Differences in Three Minutes!

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PLC vs DCS: Understanding the Key Differences in Three Minutes!

In the automation control systems of factories, half of the people have heard of PLC, and half know about DCS, but 90% of beginners get confused by these two terms. Both are “control devices,” so why do some production lines use PLC while some chemical parks prefer DCS? How should one choose? Today, I will … Read more

In-Depth Analysis of Siemens PLC Programming: From Concept to Practice

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In-Depth Analysis of Siemens PLC Programming: From Concept to Practice

In-Depth Analysis of Siemens PLC Programming: From Concept to Practice Learning and mastering Siemens PLC programming cannot be limited to just instructions and software operations. It is an art of designing and implementing automation control logic. The core idea can be summarized as: translating the actions of physical devices and process flows into deterministic logical … Read more

The Development Journey from Microcontrollers to PLCs and Back to Microcontrollers/Embedded Systems in Industrial Automation Control

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The Development Journey from Microcontrollers to PLCs and Back to Microcontrollers/Embedded Systems in Industrial Automation Control

The development journey from microcontrollers to PLCs and back to (more advanced) microcontrollers/embedded systems in automation control is driven by the balance and rebalancing of cost, reliability, usability, and performance at different historical periods. This journey can be clearly divided into three stages: — First Stage: Early Origins – The Pioneer Era of Microcontrollers (MCUs) … Read more

Example of Normalization Processing for Analog Signals in Siemens S7-1200/1500 PLC

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Example of Normalization Processing for Analog Signals in Siemens S7-1200/1500 PLC

In automation control, analog signals are ubiquitous. Whether it is temperature, pressure, flow, or even position signals, they can be converted into voltage or current analog signals. As a type of continuously variable input signal, accurately measuring and converting analog signals is the foundation of an excellent control system. Mastering a reliable method for analog … Read more

Siemens PLC TIA Portal: Programming Methods and Principles for Register Assignment

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Siemens PLC TIA Portal: Programming Methods and Principles for Register Assignment

In automation control systems, the operating status of each device follows a certain action logic, just like tasks need to be performed in a specific order to maintain clarity and organization. For the action process of devices, we can define and manage it through register values. Each action of the device corresponds to different state … Read more

Comparison of Advantages and Disadvantages between PLC and Microcontroller

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Comparison of Advantages and Disadvantages between PLC and Microcontroller

In the field of automation control, both PLC (Programmable Logic Controller) and microcontrollers are extremely important control devices, each possessing unique advantages and disadvantages suitable for different application scenarios. Advantages of PLC 1. Simple programming and easy to learn: PLC uses a ladder diagram programming method similar to relay control circuit diagrams, which is intuitive … Read more

How PLC Controls Stepper Motors

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How PLC Controls Stepper Motors

How PLC Controls Stepper Motors 1. Introduction In the field of modern industrial automation control, the combination of PLC (Programmable Logic Controller) and stepper motors is widely used. Stepper motors have advantages such as precise position control, good reverse control, and stable speed control. As a reliable controller, PLC can provide precise pulse signals for … Read more