【Introduction】 Recently, I have been writing programming learning materials for Huichuan PLC, verifying the data acquisition function of Huichuan EASY521 PLC for analog voltage. We added an expansion card on top of the PLC, supporting two channels of analog voltage acquisition. After studying the user manual, I wrote the following program. The PLC data acquisition … Read more
(Thanks to everyone for your likes and appreciation. If this article resonates with you, please “like” and “recommend” it, thank you all!) Task Introduction In the field of industrial control, sequential control is one of the core skills of PLC programming, especially suitable for equipment that operates in a fixed process, such as machine tool … Read more
Length measurement, or distance measurement, is ubiquitous in industrial production. This article presents a programming method for continuous length measurement using the SIEMENS SIMATIC S7-1200 connected to the OMRON E6B2-CWZ5B incremental encoder, based on a practical case. The goal is to achieve cyclic measurement, length counting, and subsequent speed measurement with minimal and straightforward programming. … Read more
1. System Overview This case study designs a lifting control system based on the Siemens S7-1200 PLC, suitable for material lifting equipment in industrial settings. The system adopts a modular programming approach, integrating position closed-loop control, safety interlock protection, and human-machine interaction functions, enabling manual/automatic mode switching, precise positioning, and fault alarm functionalities. 2. System … Read more
The control system of facial mask production equipment directly affects product quality and production efficiency, a reasonable PLC control scheme is the key to ensuring efficient and stable production. 1. Hardware Configuration 1.1. PLC and Expansion Module Selection The core of the facial mask production line control system uses the Siemens S7-1200 series CPU 1214C … Read more
PLC Intelligent Control: Adaptive Algorithms Reduce Equipment Failure Rate by 70%! Hello everyone! Today we are going to tackle a problem that has left countless engineers scratching their heads — when there are sudden changes in the production environment, the PLC control parameters remain as unresponsive as a “wooden man”! For example, last week a … Read more
![[S7-1200]: MQTT Protocol Communication with Siemens PLC for IoT Environmental Monitoring](https://boardor.com/wp-content/uploads/2025/09/cdd622b0-b1d1-4555-935d-9a0233bda73f.jpg)
[S7-1200]: MQTT Protocol Communication with Siemens PLC for IoT Environmental Monitoring Application Overview Hello friends! Today I want to share an amazing project with you—using the Siemens S7-1200 PLC to achieve IoT environmental monitoring through the MQTT protocol! Imagine, your PLC not only controls the equipment in the factory but also uploads environmental data (such … Read more
S7-1200: Introduction to Siemens PLC – Practical Guide to Smart Home Control Systems Hey, PLC beginners! Today, I will take you on a journey to explore the application of the Siemens S7-1200 PLC in smart home systems. Don’t worry about the seemingly complex wiring and code; follow me, and you’ll find that PLC programming is … Read more
Hello, PLC beginners! Today, we will explore the mysteries of the Siemens S7-1200 PLC by building a smart temperature control system, guiding you from zero to mastering PLC programming. Don’t worry, this process is much simpler than you think. Imagine you are designing an automated temperature control system for a small greenhouse that needs to … Read more
Practical Sharing: How I Built the Siemens S7-1200 IoT Gateway Hello, old friends! Hello everyone, I am Engineer Wang, and I have been engaged in automation and IoT integration for over ten years. Today, I would like to share with you a project experience I recently completed—how to build a reliable IoT gateway using the … Read more