Fundamentals of PLC Programming: A Beginner’s Guide to Data Types Author: Electric Guy | 15+ years of frontline engineering experience I’ve been asked a lot of questions about PLC data types by beginners, it’s really frustrating! Honestly, isn’t this just the most basic thing? Today’s electrical novices are really falling behind, they can’t even distinguish … Read more
Last week, I helped a colleague solve a problem with his temperature control system on the production line, which was frequently malfunctioning. After some investigation, it turned out that the variable type was not selected correctly, causing the decimal part to be truncated. This incident reminded me that we must discuss the topic of variable … Read more
Most PLC programming consists of input contacts and output coils, which influence real-world outcomes through logical series/parallel combinations. —————————————————— Although each model of PLC seems to have its unique programming standards, there is indeed an international standard that most PLC manufacturers at least attempt to follow. This is the IEC 61131-3 standard, which will be … Read more
Click the blue text above to follow us In the current era of rapid technological advancement, the wave of smart home technology is sweeping in with unprecedented momentum. From smart lighting systems that can automatically adjust brightness based on ambient light and user habits, to smart security devices that can monitor home conditions in real-time … Read more
Modbus Communication Programming Example (1) Recently, I have been writing about Modbus and fieldbus introductions separately, which are more conceptual and do not involve specific examples. Many readers may still find it insufficiently detailed. Since I am no longer engaged in specific programming debugging, providing direct examples is quite challenging. I referenced some materials from … Read more
In CMake, functions are used to encapsulate a reusable block of code. Below is a detailed explanation of defining and calling functions in CMake. Defining Functions Function definitions start with function(), followed by the function name and any parameter list, as shown below: function(<function_name> [arg1 [arg2 […]]]) # Function code… endfunction() The function name should … Read more
(Click the blue text above to quickly follow us) Source: Bole Online Column Author – Brother Sam If you have good articles to submit, please click → here for details If you need to reprint, send the word ‘reprint’ to see the instructions Recently, I heard that several colleagues in the company have fallen seriously … Read more
Assembly language is known for its obscurity and complexity, but this tutorial looks at it from a different perspective—it is a language that provides almost all the information. Programmers can see everything that is happening, including the registers and flags in the CPU! However, with this capability, programmers must handle the details of data representation … Read more
🌟 1. Lists: The Universal Storage Box for Data Programming Truth: Lists are the most widely used data structure in Python, capable of storing any type of data, like a mutable “magic array”! Life Scenario Analogy: List → Train carriages (elements are passengers, who can get on and off at any time) Index → Seat … Read more
Python Conditional Statements: if, elif, else for Precise Control Flow In programming, conditional statements are essential tools for controlling the execution flow of a program. Python provides three types of conditional statements: <span>if</span>, <span>elif</span>, and <span>else</span>, allowing us to execute different code blocks based on various conditions. This article will detail the usage of these … Read more