Download
CNHow automatic control systems empower real industrial scenarios
For many factory technicians, equipment supervisors or project engineers, automated control systems are no longer unfamiliar concepts. But abstract theory and publicity are far less real than the story of a project that happened around you and solved practical problems. What everyone is really concerned about is, how is this system installed in a factory like ours? What pits will you encounter during debugging? Will it save you trouble and money when running it in the end?
Today, let's put aside the obscure technical documents and use a few real project fragments from different industrial fields to talk about the implementation of automatic control systems. The executor of these projects is Shanghai Ruikongyuan Intelligent Technology Co., Ltd., a technical service team active in many industrial regions such as the Yangtze River Delta, South China, and North China. What they deal with every day is production lines, machine rooms, and clean workshops. What they do is to turn controllers such as PLC and DDC, together with sensors and actuators, into a system that can make equipment obedient and make management worry-free.
Scenario 1: Guarantee for stable operation of ultrapure water system in semiconductor factory
In semiconductor manufacturing, the quality of ultrapure water is directly related to the yield of chips. The ultrapure water preparation system of a semiconductor factory in the north has a complex process flow and involves many units such as multi-stage filtration, reverse osmosis, and EDI electrodeionization. It requires extremely high reliability and response speed of the control system. The original control system is aging and frequent failures have threatened stable water supply.
After the Shanghai Ruikang team took over the transformation task, the first thing they did was to spend a lot of time sorting out the entire waterway pipe network and electrical logic together with the old masters in the factory, and to figure out the action sequence of each valve and the chain of each water quality indicator. The conditions are clear. The core of the renovation plan is to replace old equipment with a new, high-performance PLC-based control system. The difficulty lies in the need to use a short shutdown maintenance window to complete cutting, installation and debugging, and time is tight.
The project team completed the in-factory assembly and program simulation testing of the control cabinet in advance. After entering the site, the division of labor is clear, and wiring, installation, program download, single point testing, and linkage testing are closely linked. During the debugging stage, engineers kept a close eye on the flow, pressure, and resistivity curves on the screen, and repeatedly confirmed each control parameter with the process personnel. When the system was successfully put into operation and everyone on site breathed a sigh of relief when it was seen that the quality of the produced water was stable and up to standard. This project has no cool concept. What competes is understanding of craftsmanship, rigor of engineering and stable performance at critical moments. It guarantees the "lifeline" of an important production line.
Scenario 2: Equipment networking and data collection in the auto parts workshop production line
An auto parts company in southern China hopes to achieve digital and transparent management of its production lines. There are many production lines such as stamping, welding, and assembly in the workshop. The equipment brands are miscellaneous and models are old. Many equipment do not even have basic communication interfaces. It is a typical "information island." Management wants to see production volume, equipment status, and fault information in real time, but has no way to do so.
The plan given by Shanghai Ruikang is a "combination of soft and hard". For some newer equipment that supports standard protocols, it is directly connected to the network through industrial switches; for a large number of old equipment,"native methods" such as adding IO acquisition modules, speed sensors, and counters are used to collect the equipment's start-stop signals, key states such as running counts are hard-wired. All data is aggregated to the workshop data collection server and displayed through intuitive Kanban software.
The engineering volume of this project is reflected in the details: numbering, wiring, and wiring of thousands of measuring points; communicating with equipment operators to determine which signals are meaningful; and designing data statistical logic based on production beats. After the project is launched, the squad leader can see the real-time output and status of each line in the office. When the equipment suddenly stops, alarm information is immediately pushed to the maintenance worker's mobile phone, which greatly improves the efficiency of production scheduling and equipment maintenance. This case shows that automated upgrades do not have to be "high-level". Solving actual management pain points and improving efficiency often starts with the most basic data collection.
Scenario 3: Centralized monitoring of environmental safety in biological laboratory
A key biological laboratory of a university in Hangzhou has multiple laboratory units with different safety levels, which involve research on pathogenic microorganisms and have extremely strict safety regulations on environmental negative pressure, air flow organization, disinfection and exhaust. In the past, the parameters of each laboratory were independently displayed, lacking centralized monitoring and historical traceability, which posed hidden dangers to safety management.
For this purpose, Shanghai Ruikang has designed a centralized laboratory environmental safety monitoring system. Install differential pressure sensors, temperature and humidity sensors, valve status sensors, etc. in key locations in each laboratory, and all signals are connected to the local DDC controller. DDC is not only responsible for controlling the opening of the exhaust valve in real time to maintain stable negative pressure, but also uploads all environmental data, equipment status, and alarm events to the central monitoring room in real time through the network.
The system has specially enhanced the alarm and linkage functions: once the pressure difference in a laboratory is inaccurate, not only the local sound and light alarm, but the area on the central monitoring screen will flash red and automatically record the event; when the night disinfection mode is started, the system will automatically interlock the relevant air supply and turn on disinfection and exhaust. Project implementation needs to strictly follow laboratory management regulations and high construction cleanliness. After the system is put into use, it adds a reliable technical defense line to the safe operation of the laboratory and also reduces the burden of daily inspections for managers. This project reflects the value of automatic control technology in ensuring the safety of special places.
Looking back at these scenarios, they may not have earth-shattering technological breakthroughs, but they truly reflect the value of automatic control systems in industrial sites: ensuring the stability of core processes, achieving transparency of production data, and protecting the safety of critical areas. The success of the project is inseparable from the technical service team's accumulation of industry knowledge, grasp of site details, and solid project implementation capabilities.
Companies like Shanghai Ruikong play more like "technical doctors" and "system integration craftsmen" on the industrial scene. They need to be familiar with the characteristics of different brands of controllers such as Siemens and Hollysys, and be able to select models reasonably according to project budgets and needs; they need to be able to understand complex process piping and instrument diagrams and transform them into reliable wiring diagrams and program logic; They need to have enough patience and experience to squat on site to solve specific debugging problems. Their value is contained in these implemented projects that make equipment smarter, make production smoother, and make management easier. For technical colleagues of industrial enterprises, when selecting partners, it is advisable to ask them more about these details of past projects. The stories often contain real strength.
Today, let's put aside the obscure technical documents and use a few real project fragments from different industrial fields to talk about the implementation of automatic control systems. The executor of these projects is Shanghai Ruikongyuan Intelligent Technology Co., Ltd., a technical service team active in many industrial regions such as the Yangtze River Delta, South China, and North China. What they deal with every day is production lines, machine rooms, and clean workshops. What they do is to turn controllers such as PLC and DDC, together with sensors and actuators, into a system that can make equipment obedient and make management worry-free.
Scenario 1: Guarantee for stable operation of ultrapure water system in semiconductor factory
In semiconductor manufacturing, the quality of ultrapure water is directly related to the yield of chips. The ultrapure water preparation system of a semiconductor factory in the north has a complex process flow and involves many units such as multi-stage filtration, reverse osmosis, and EDI electrodeionization. It requires extremely high reliability and response speed of the control system. The original control system is aging and frequent failures have threatened stable water supply.
After the Shanghai Ruikang team took over the transformation task, the first thing they did was to spend a lot of time sorting out the entire waterway pipe network and electrical logic together with the old masters in the factory, and to figure out the action sequence of each valve and the chain of each water quality indicator. The conditions are clear. The core of the renovation plan is to replace old equipment with a new, high-performance PLC-based control system. The difficulty lies in the need to use a short shutdown maintenance window to complete cutting, installation and debugging, and time is tight.
The project team completed the in-factory assembly and program simulation testing of the control cabinet in advance. After entering the site, the division of labor is clear, and wiring, installation, program download, single point testing, and linkage testing are closely linked. During the debugging stage, engineers kept a close eye on the flow, pressure, and resistivity curves on the screen, and repeatedly confirmed each control parameter with the process personnel. When the system was successfully put into operation and everyone on site breathed a sigh of relief when it was seen that the quality of the produced water was stable and up to standard. This project has no cool concept. What competes is understanding of craftsmanship, rigor of engineering and stable performance at critical moments. It guarantees the "lifeline" of an important production line.
Scenario 2: Equipment networking and data collection in the auto parts workshop production line
An auto parts company in southern China hopes to achieve digital and transparent management of its production lines. There are many production lines such as stamping, welding, and assembly in the workshop. The equipment brands are miscellaneous and models are old. Many equipment do not even have basic communication interfaces. It is a typical "information island." Management wants to see production volume, equipment status, and fault information in real time, but has no way to do so.
The plan given by Shanghai Ruikang is a "combination of soft and hard". For some newer equipment that supports standard protocols, it is directly connected to the network through industrial switches; for a large number of old equipment,"native methods" such as adding IO acquisition modules, speed sensors, and counters are used to collect the equipment's start-stop signals, key states such as running counts are hard-wired. All data is aggregated to the workshop data collection server and displayed through intuitive Kanban software.
The engineering volume of this project is reflected in the details: numbering, wiring, and wiring of thousands of measuring points; communicating with equipment operators to determine which signals are meaningful; and designing data statistical logic based on production beats. After the project is launched, the squad leader can see the real-time output and status of each line in the office. When the equipment suddenly stops, alarm information is immediately pushed to the maintenance worker's mobile phone, which greatly improves the efficiency of production scheduling and equipment maintenance. This case shows that automated upgrades do not have to be "high-level". Solving actual management pain points and improving efficiency often starts with the most basic data collection.
Scenario 3: Centralized monitoring of environmental safety in biological laboratory
A key biological laboratory of a university in Hangzhou has multiple laboratory units with different safety levels, which involve research on pathogenic microorganisms and have extremely strict safety regulations on environmental negative pressure, air flow organization, disinfection and exhaust. In the past, the parameters of each laboratory were independently displayed, lacking centralized monitoring and historical traceability, which posed hidden dangers to safety management.
For this purpose, Shanghai Ruikang has designed a centralized laboratory environmental safety monitoring system. Install differential pressure sensors, temperature and humidity sensors, valve status sensors, etc. in key locations in each laboratory, and all signals are connected to the local DDC controller. DDC is not only responsible for controlling the opening of the exhaust valve in real time to maintain stable negative pressure, but also uploads all environmental data, equipment status, and alarm events to the central monitoring room in real time through the network.
The system has specially enhanced the alarm and linkage functions: once the pressure difference in a laboratory is inaccurate, not only the local sound and light alarm, but the area on the central monitoring screen will flash red and automatically record the event; when the night disinfection mode is started, the system will automatically interlock the relevant air supply and turn on disinfection and exhaust. Project implementation needs to strictly follow laboratory management regulations and high construction cleanliness. After the system is put into use, it adds a reliable technical defense line to the safe operation of the laboratory and also reduces the burden of daily inspections for managers. This project reflects the value of automatic control technology in ensuring the safety of special places.
Looking back at these scenarios, they may not have earth-shattering technological breakthroughs, but they truly reflect the value of automatic control systems in industrial sites: ensuring the stability of core processes, achieving transparency of production data, and protecting the safety of critical areas. The success of the project is inseparable from the technical service team's accumulation of industry knowledge, grasp of site details, and solid project implementation capabilities.
Companies like Shanghai Ruikong play more like "technical doctors" and "system integration craftsmen" on the industrial scene. They need to be familiar with the characteristics of different brands of controllers such as Siemens and Hollysys, and be able to select models reasonably according to project budgets and needs; they need to be able to understand complex process piping and instrument diagrams and transform them into reliable wiring diagrams and program logic; They need to have enough patience and experience to squat on site to solve specific debugging problems. Their value is contained in these implemented projects that make equipment smarter, make production smoother, and make management easier. For technical colleagues of industrial enterprises, when selecting partners, it is advisable to ask them more about these details of past projects. The stories often contain real strength.