CASE
Performance Case
PLC Design Solutions

Siemens PLC update firmware

In fact, PLC needs to update the firmware regularly. Firmware update can achieve multiple benefits such as adjusting the security of the PLC system, correcting errors in the PLC code, and improving the efficiency of the firmware. Friends who want to know how to update the firmware, please don't miss this post!
PLC Design Solutions

Siemens PLC diagnostic module function program writing project

PLC programmable logic controllers are often used in industrial operations, and it is not unavoidable to encounter PLC failures but do not know where the problem is. Longzhong can automatically detect errors through the PLC program, which can clearly point out which module is faulty for you, reducing a lot of debugging and testing time.
PLC Design Solutions

PLC control FFU clean room automatic monitoring system

In response to the control requirements of the owner's new factory area, the newly established clean room requires FFU automatic monitoring and alarm functions. Longzhong wrote a PLC program so that the PLC can be connected with the FFU controller, and the control loop can be connected in series, and then use the graphic control software to connect the PLC to capture and return the status to achieve automatic monitoring.
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.
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.
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

In electrical engineering, spikes are transient voltage signals (voltage surges) or current signals (current surges) that are fast and short-lived in circuits.
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.
PLC Design Solutions

Mitsubishi series PLC

Are you looking for a Mitsubishi series PLC programming program or the original PLC program modification and programming, PLC program debugging, Longzhong for control purposes, use skilled writing techniques to design controllable logic programs. It not only meets the needs of customers, but also has accumulated rich experience in writing and editing customized PLC programs.
PLC Design Solutions

#Follow Longzhong across the sea to Beijing: Remote plc update control program system engineering-THE END

The remote remote PLC update control program system engineering is that after Longzhong completed this arduous task of PLC-controlled vacuum equipment across the sea, it ushered in another starting point for automation technology. When the customer has problems again, the remote connection PLC update program maintenance control Debugging, no need to fly out of cross-sea handler control system issues again.
PLC Design Solutions

#Follow Longzhong across the sea to Beijing: PLC integrated vacuum equipment system control overseas engineering technical support part-2

Overseas engineering and technical support for ultra-high vacuum equipment system control integration case, Longzhong planned to use PLC programming to design an automatic control system for the owner to achieve the automatic regeneration process of the cryopump, the system automatically monitors the information in the cryopump and judges the operation time to enter the automatic regeneration process , to ensure that the overall system vacuum can be maintained at ultra-high vacuum.
PLC Design Solutions

#Follow Longzhong across the sea: Beijing Public Research Unit part-1

This time I am in charge of a case of a public research unit in Beijing, which mainly needs to simulate the reaction of particle collisions in an ultra-high vacuum environment. In fact, this case was not looking for our assistance at the beginning. Due to various reasons, the follow-up came to us for emergency help.
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