Service Item

Automation PLC programming

SIEMENS、MITSUBISHI、OMRON、Schneider、DELTA、Allen-Bradley PLC programming

Longzhong Enterprise has been deeply engaged in the field of automatic control PLC for many years. SIEMENS and MITSUBISHI are the two PLC brands with the highest market share. The commonly used models are:
● SIEMENS:S7-300、S7-400、S7-1200、S7-1500

There are many types of PLC brands, such as European, Japanese and American departments, it is absolutely no problem to ask us to write PLC programmable logic controllers; quotations can be evaluated according to customer needs project

As for other PLCs such as OMRON, Schneider, DELTA, Allen-Bradley PLC… and so on:
● Schneider:Modicon
● DELTA:DVP series
● Allen-Bradley PLC:CONTROLLOGIX 5000

Our Longzhong also writes Programmable Controller (PLC) and Human Machine Interface (HMI) programming.
If you have any needs related to PLC programming, please feel free to contact us!


Automatic control design planner ─ Longzhong Enterprise
Address: 7F-1, No. 986, Zhongzheng Road, Yongkang District, Tainan City
Telephone: 06-243-7822


PLC Design Solutions

Siemens S7 series PLC

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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

Clean room PLC automatic leakage detection

In a clean room, both indoor temperature and humidity must be properly controlled, and there will also be a monitoring system in the area to monitor whether the amount of dust meets the qualified standard. As the name suggests, it is a very clean place with no dust, no pollution.
PLC Design Solutions

Mitsubishi series PLC

A programmable logic controller (PLC for short) is a digital electronic device with a microprocessor, a digital logic controller used for automatic control, which can load control commands into a memory for storage and execution at any time. What I want to introduce today is: Mitsubishi series PLC
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!