Core Concept: From “Wiring Technician” to “System Architect” First, please change a core concept. An excellent PLC programmer is not just an “electrician” who follows wiring diagrams, but a “system architect” who oversees the entire project. They must ensure that every brick (bit logic) is placed correctly, and design the entire structure (automation system) with … Read more
Recently, the Electrical Instrumentation Workshop collaborated with the Materials and Equipment Department to invite senior technical experts from Siemens to successfully hold a week-long “PLC Automation System and Operations Maintenance Specialized Training”. All technical backbones of the Electrical Instrumentation Workshop participated, effectively solidifying their professional foundation through systematic learning of cutting-edge core technologies, providing strong … Read more
In the world of PLCs, all signals can be divided into two main categories: Digital and Analog. They are the “left hand and right hand” of PLCs in perceiving and controlling the external world, and understanding the difference between the two is crucial. 1. Digital: The Black-and-White ‘Switch’ Signal Core Characteristics: There are only two … Read more
Clever Implementation of EtherCAT to PROFINET Protocol Gateway for Photovoltaic Power Plants In the field of intelligent control for solar photovoltaic power plants, an innovative technology integration solution is gradually revolutionizing the operational model of power stations. This solution integrates Beckhoff PLCs using the EtherCAT protocol with Siemens PLCs using the PROFINET protocol, enabling seamless … Read more
After years of development, various bus systems in the market have matured, leading to lower costs for bus-equipped devices and higher market penetration. This has given rise to classic bus automation system architectures, which are no longer limited to the automotive industry but have spread to various small and medium enterprises. First, this architecture generally … Read more
Pneumatic Valve Control System The pneumatic valve control system is a core technology in the field of automation, capable of achieving precise flow regulation and rapid switching, widely used in industries such as chemical and pharmaceutical. 1. Hardware Configuration Selection of PLC and Expansion Modules In the pneumatic valve control system, we typically use the … Read more
JZGKCHINAIndustrial Control Technology Sharing Platform Introduction As a PLC (Programmable Logic Controller) engineer, we face numerous complex control systems and engineering problems every day. Some of these issues may arise from equipment failures, while others may be due to process inefficiencies or improper program design. Regardless of the situation, we need to address and resolve … Read more
Low-cost automation refers to automation technologies that are appropriately invested to improve automation levels and enhance production efficiency for large enterprises that require technological transformation but have limited funding. Development Low-cost automation (LCA) originated during the First Industrial Revolution, initially referred to as “simple automation.” After World War II, due to the need to restore … Read more
Introduction Hello everyone! Today, I want to talk about a topic that many automation engineers both love and hate — the selection of PLC communication interfaces.Don’t worry, I will explain the advantages and disadvantages of various communication interfaces in the most relatable way.Trust me, choosing the right communication standard can improve your device interconnection efficiency … Read more
PROFIBUS: Siemens PLC Distributed Control System Architecture for Building Scalable Automation Platforms unsetunsetIntroductionunsetunset In the field of industrial automation, an efficient and reliable communication network is the foundation for building intelligent production systems. PROFIBUS, as a standard fieldbus protocol launched by Siemens, has become an important link connecting various devices and control systems. This article … Read more