From the user’s point of view,it is not necessary…
The CPU is mainly composed of an arithmetic unit,a cont…
The CPU is the core of the PLC and acts as the nerve ce…
Control system structure The system adopts SIEMEN S7-20…
From the 1980s to the mid-1990s,PLC was the fastest gro…
There are many definitions of PLC.The International Ele…
After the personal computer(referred to as PC)was devel…
In the process of industrial production,a large number …
PLC programmable controller:PLC full name in English is…
The application field of PLC is broad,and there are sti…
The upward connection of the network is an Internet pro…
In 2001,my country’s machinery industry became a …