CASE
Performance Case
Factory Service Water Distribution System

PLC program controls wastewater automatic regeneration resin tower

It requires a combination of complex systems and filtration to produce usable industrial pure water. Through PLC logic program control, Longzhong engineers can automatically adjust the 2B3T resin tower according to the regeneration program conditions preset by factory personnel, providing more convenience for the 2B3T system regeneration process.
Instrumentation control system

Ultrasonic flowmeter additional instrument and electrical control project

Longzhong selected ultrasonic flowmeters for customers' wastewater system plants, which can achieve stable and accurate measurement without contact with fluids, and can integrate and collect information, allowing plant personnel to conveniently manage the water flow in the entire area. .
Instrumentation control system

Electricity savior! Adding capacitors to improve power factor

When installing capacitors, you need to calculate the capacitance in order to arrange the capacitors with how much capacitance to install. Longzhong is already a veteran in MEMS control. The engineer can quickly calculate the capacitance and discuss with the customer, and can also estimate how much the power factor can be improved. With clear data presentation, saving unnecessary electricity bills is no longer a problem!
PLC Design Solutions

The PLC design adds an automatic stop device for abnormalities in the photoelectric sensor

PLC design customized automatic abnormal signal detection, which is to automatically control and stop the machine equipment. The photoelectric sensor device is installed on the chain wear-resistant machine. When the light detection does not sense the chain, it will automatically stop the machine. , Longzhong writes PLC programs for the special needs of customers.
Graphic Control Systems

Factory equipment abnormal mail alarm system

The factory has various pipeline pressure values, water tower liquid levels, and dust-free room temperature and humidity monitoring data that need to be monitored. Longzhong integrates system information and sets up automatic email alert notifications for customers.
Graphic Control Systems

iFIX data control clean room AHU

iFIX provides process visualization, data collection and data monitoring of production operations, enabling rapid response to production events. Through iFIX, administrators can not only clearly monitor/control the AHU air-conditioning box system of the clean room, but also set the PID value of the windmill inverter by themselves, which can be set manually or automatically output control during operation, providing user-friendly management. choose.
Environmental Control System

#Follow Longzhong to cross the sea: go! Go to Xuzhou Food Waste Fermentation Equipment Case -THE END

In addition to the PLC point-to-point test, Longzhong also began to install sensors and field wiring and piping projects. Longzhong engineers, who strive for perfection, finally adjusted the entire fermentation system to the original plan.
Environmental Control System

#Follow Longzhong:Go!To Xuzhou part-1

We designed the food waste fermentation equipment by Longzhong himself. This system later attracted the attention of an environmental protection company in Shanghai. The other party was very interested in this. After contacting Longzhong, they made an appointment to fly to Taiwan to visit our Qingongdu Farm in Kanding, Pingtung.
PLC Design Solutions

Allen-Bradley AB PLC

The full name of "AB PLC" is "Allen-Bradley PLC", abbreviated as AB. It is a series of products made by one of the largest PLC manufacturers in the United States: Rockwell Automation.
Instrumentation control system

Oil-immersed transformer repair

In recent years, the types of home appliances have been quite diversified, and every household has purchased more and more electrical equipment. Frequent use of various types is easy to overload the oil-immersed transformer, and the overloaded transformer will heat up the inner coil and deteriorate the insulating oil.
Instrumentation control system

Siemens PLC control panel assembly

Before assembling the PLC control panel, the design is the foundation. It is necessary to design the circuit, plan the size of the panel, and customize the appropriate size of the storage control panel. After confirming that there is no problem, the subsequent assembly will be started.
Human Machine Interface

Add HMI human-machine monitoring RTO

The addition of an HMI human-machine interface remote monitoring system can stably connect to the network and aggregate RTO equipment information, allowing managers to make necessary adjustments in real time based on the operating status of the automation equipment.
Graphic Control Systems

Factory machinery and equipment utilization rate and situation room kanban

What is the utilization rate - it is a ratio that measures the usage status of the equipment from the perspective of the equipment. The simple calculation formula for the utilization rate is (operation time/load time)*100%, which is the percentage of time that the equipment is actually running
Graphic Control Systems

Clean room inspection PLC automatic leakage detection detection graphic control alarm

Longzhong has many years of experience in assisting in automatic liquid leakage inspection of clean rooms. Through the PLC program graphic control alarm design, it can automate the clean room leakage detection process and issue graphic control alarm notifications when there is a situation, helping owners to effectively reduce costs. Labor costs.
PLC Design Solutions

Siemens PLC S7-400 common abnormal light check and repair

From a considerable-scale electromechanical company in Germany: Siemens SIEMENS is a PLC brand with a high usage rate on the market, so we decided to write abnormal light signals and simple repair methods. We believe that self-learning PLC and automatic control friends will help!
PLC Design Solutions

PLC programming to filter surge

Surge refers to a transient voltage/current signal that does not last long. If the surge is allowed to occur, it may cause data loss or damage in the long run, and even affect the equipment in the factory. Through the Longzhong PLC logic control program, predictable surges can be filtered out through conditional judgment, so that customers will not cause misjudgments in analysis when receiving module return signals.
PLC Design Solutions

Siemens S7 series PLC

Are you looking for programming or modification of Siemens series PLC S7 ! Longzhong has been deeply involved in the field of automation for many years to solve PLC program modification for customers. With the accumulation of proficient experience, he has trained many programs of different PLC brands. Longzhong will be able to write and edit. PLC engineering staff. Among them, Longzhong is best at Siemens PLC, which is Siemens S7 series.
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