Huichuan PLC

Siemens and Mitsubishi PLC Programming Instructions

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Siemens and Mitsubishi PLC Programming Instructions

Point“Jinan CNC Mold Technology Research Institute” focuses on Industry frontier, mechanical videos, CNC processing technology, 3D printing, industrial robots, productioncrafts, molds, machine tools, and other cutting-edge information are waiting for you here! Siemens PLC Programming Instructions 1. Bit Logic Instructions 1.1 -||- Normally Open Contact (Address)1.2 -|/|- Normally Closed Contact (Address)1.3 XOR Bit Exclusive OR1.4 … Read more

9 Classic PLC Programming Cases For Beginners

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9 Classic PLC Programming Cases For Beginners

Search on WeChat Technical Training 01 Car Forward and Backward Movement Using S7-200 to achieve automatic control of the car moving back and forth. The control process is pressing the start button, the car moves from left to right (and back from right to left). When it reaches the right (or left) limit switch, the … Read more

Six Major Application Areas and Characteristics of PLCs

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Six Major Application Areas and Characteristics of PLCs

With the advancement of Programmable Logic Controller (PLC) technology, there has been a leap from wiring logic to storage logic since its inception; its functions have progressed from weak to strong, achieving improvements from logic control to digital control; its application fields have expanded from small to large, crossing over from simple control of individual … Read more

Essential Knowledge: PLC Basic Structure and Working Principle

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Essential Knowledge: PLC Basic Structure and Working Principle

As a type of industrial control computer, PLC has a structure similar to that of a regular computer; however, due to different usage scenarios and purposes, there are some structural differences. Hardware Components of PLC The basic structural block diagram of the PLC hardware system is shown in the figure. In the figure, the PLC … Read more

The Ten Key Differences Between PLC and DCS

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The Ten Key Differences Between PLC and DCS

When it comes to control systems, many people seem to speak with great confidence, but when delving deeper, they become speechless about the definitions of controllers, PLCs, DCS, and FCS. After a brief introduction to the basic concepts, it feels like the conversation misses the point. Today, let’s discuss what DCS is. First, we can … Read more

Understanding Basic Data Types in PLCs

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Understanding Basic Data Types in PLCs

Many users have questions about data types during the study of PLCs. This article will provide an interpretation of the basic data types in PLCs. The manual explains data types as follows: “Data types are used to specify the size of data elements and how to interpret the data. Each instruction parameter supports at least … Read more

9 Classic Siemens PLC Programming Cases for Beginners!

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9 Classic Siemens PLC Programming Cases for Beginners!

Search on WeChat Technical Training 1. Bidirectional Movement of the Cart Use S7-200 to achieve automatic control of the cart’s bidirectional movement. The control process is as follows: press the start button, and the cart moves from the left to the right (and vice versa). When it reaches the right (or left) limit switch, the … Read more

Essential! FX3U and Mitsubishi E800 Inverter Communication Application

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Essential! FX3U and Mitsubishi E800 Inverter Communication Application

1. Case Control Requirements 1. Equipment Used: FX3U-PLC (with 485-BD board), Mitsubishi Inverter. Control Requirements:The PLC communicates with the Mitsubishi E800 inverter to control the inverter’s forward rotation, reverse rotation, and frequency modification. 2. Hardware Wiring Instructions Open the inverter cover, and you will see a port on the circuit board that looks like a … Read more

Solutions to RS485 Communication Port Damage in Siemens S7-200 PLC

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Solutions to RS485 Communication Port Damage in Siemens S7-200 PLC

Over 70,000 friends have followed the industrial control WeChat platform:Technical sharing,Learning exchange,Industrial control videos Solutions to RS485 Communication Port Damage in Siemens S7-200 PLC: 1. Internal RS485 Interface Circuit Diagram of S7-200 PLC: In the diagram, R1 and R2 are ordinary resistors with a resistance of 10 ohms, which serve to prevent excessive current from … Read more

Easily Connect FX5U and Mitsubishi Touch Screen via RS-485 in 6 Steps

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Easily Connect FX5U and Mitsubishi Touch Screen via RS-485 in 6 Steps

Search on WeChat Technical Training >>>> Step One: Create a new project, enter the new project wizard, and select the model; >>>> Step Two: In the project new wizard, select “Standard I/F (RS422/485)” in the “Connection Machine Settings” under “I/F”; >>>> Step Three: Complete the touch screen settings as follows; After editing the touch screen … Read more